{"title":"China 2.4G Jammer and 5G Cell Phone Jammer Manufacturers, Suppliers","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eOverview\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eReliable \u003cstrong\u003eChina 2.4G Jammer and 5G Cell Phone Jammer Manufacturers and Suppliers.\u003c\/strong\u003e We provide factory-direct supply, customized frequency configurations, and stable production support for distributors and security equipment suppliers.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose Our Factory?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory-Direct Supply\u003c\/strong\u003e — Competitive sourcing from the manufacturer.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Supply Capacity\u003c\/strong\u003e — Maintain stable production and inventory support for long-term partnerships.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.4G \u0026amp; 5G Coverage Options\u003c\/strong\u003e — Configurations for different application needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Customization\u003c\/strong\u003e — Frequency bands and product configurations available.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineering \u0026amp; Technical Support\u003c\/strong\u003e — Providing product expertise and technical guidance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/111.webp?v=1782180410\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/finally_phone_jammer.jpg?v=1754381754\" alt=\"\"\u003e\u003c\/p\u003e","products":[{"product_id":"100w-mobile-phone-signal-jammer","title":"100W E-12 Directional Full-band Cell Phone Jammer 5G GSM WIFI Bluetooth Signal Jammer","description":"\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eE-12-100W 5G Jammer offers full-band jamming \u003c\/span\u003e\u003cspan\u003e(CDMA\/GSM\/DCS\/3G\/4G\/5G\/Wifi\/Bluetooth), 24\/7 operation, and excellent durability, making it the nemesis of wireless cheating devices such as mobile phones, WIFI, Bluetooth, and electronic watches.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eIt only blocks the reception of on-site mobile devices and does not affect surrounding base stations. \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eAnd it has reliable performance near cellular base stations where standard blockers fail.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan\u003eCustomizable configuration available:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eFull Bands Mobile Phone 5G\/4G\/3G\/2G + WiFi 2.4G + WiFi 5G + GPS L1-L5 + LORA + LOJACK\/UHF\/VHF\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Product specification sheet for an anti-drone communication blocker used in security applications.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/E-12_3ff6ab93-ad6b-48e1-b4c1-71bf6553eafe.png?v=1747096925\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eThis portable cell phone blocker is an omnidirectional full-band communication signal jammer, \u003c\/span\u003e\u003cspan\u003eusing an \u003c\/span\u003e\u003cspan\u003eomnidirectional\u003c\/span\u003e\u003cspan\u003e high-gain antenna array, significantly increasing the shielding distance. And it \u003c\/span\u003e\u003cspan\u003eadopts split-output, with a single\u003c\/span\u003e\u003cspan\u003e transmitter power exceeding 100W, and each channel output is between 5W\u003cspan style=\"font-family: 宋体;\"\u003e～\u003c\/span\u003e\u003cspan style=\"font-family: Arial;\"\u003e10W. \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eThey only block the reception of on-site mobile phone devices and do not affect surrounding base stations at all, making it\u003c\/span\u003e\u003cspan\u003e a security guard and purification expert in confidential meetings and standardized examination venues.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"the diagram shows the deplyment of your jammers in the meeting room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/directional_phone_blocker800.jpg?v=1756263295\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black cell phone jammer with size dimensions on a white background\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/cell_phone_signal_jammer_device.jpg?v=1753926206\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/20_692a0602-b6a5-4f02-827d-6679645a298b.png?v=1756264963\" alt=\"Portable multi-band signal processing equipment, front close-up showing the power switch and interface.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/cell_phone_signal_blockers.jpg?v=1756264963\" alt=\"Signal blocker device features four-fan cooling array and technical controls\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3\u003e\n\u003cstrong\u003ePrecautions:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cdiv\u003e\u003cspan\u003e1. Factors affecting the actual shielding range include signal field strength, base station distance, mobile phone format, obstacles, installation height, installation specifications, etc.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2. It is normal for the host to heat up after working for a long time. If the temperature is too high, please turn off the power and contact your local dealer\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e3. The normal installation height is 1.8m～2.5m, try to choose the place where there is no obstacle between the target shielding area. \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/Best_cell_phone_application2.jpg?v=1748088716\" alt=\"Multi-band signal blocker used in educational and industrial settings\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cimg alt=\"Benefits of cell phone jammers in the  classrooms and meeting rooms\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/all_benefits_of_cell_phone_jammers_1.jpg?v=1748331329\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Dexinkang anti-drone company - FAQ covering samples, shipping, payment, and frequency customization\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/1_0986ed0c-7bf0-44b0-9c87-25f65c0bf19c.jpg?v=1747105195\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e","brand":"DescBoost","offers":[{"title":"Default Title","offer_id":46448655761582,"sku":"","price":1215.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/Cell_phone_signal_jammer.jpg?v=1747211871"},{"product_id":"120w-cell-phone-signal-blocker","title":"120W Prison Customizable 2\/3\/4\/5G\/WIFI Bluetooth Blocker Adjustable N-14 Directional Cell Phone Signal Blocker","description":"\u003cdiv\u003eDo you have to put a lot of effort into managing these issues?\u003c\/div\u003e\n\u003cdiv\u003eOne inmate uses it to coordinate an escape, timing every move with outside accomplices.\u003cbr data-end=\"205\" data-start=\"202\"\u003eAnother directs drug trafficking routes, laundering money while serving time.\u003cbr data-start=\"361\" data-end=\"364\"\u003eEvery illegal call undermines security, endangers your staff, and extends criminal influence into the prison areas we are sworn to protect.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003eIf so—it's time to act. Our cell phone blockers can block\u003cstrong\u003e 2G\/3G\/4G\/5G, Wi-Fi 2.4G\/5.8G, GPS L1–L5, Bluetooth, UHF\/VHF, LORA and LOJACK\u003c\/strong\u003e with \u003cstrong\u003e8-100M\u003c\/strong\u003e blocking distance. Featuring a built-in, directional, power-adjustable design, this high-power 5G mobile phone signal blocker precisely targets only on-site devices, ensuring surrounding base stations remain unaffected—ideal for maintaining prison order and security and protecting confidential meetings.\n\u003cp style=\"text-align: left;\" class=\"MsoNormal\"\u003eSpecific bands can be customized according to your application requirements. Don’t wait until a critical leak happens.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"cell phone blocker metting room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/Cell_phone_jammer_in_meetng_room_1.jpg?v=1754469284\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/phone_jammer_details_1.jpg?v=1754533850\" alt=\"Cell phone jammer details\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/cell_phone_jammer_size_2.jpg?v=1754553138\" alt=\"cell phone blocker size\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/Why_choose_us_1.jpg?v=1754553139\" alt=\"Advantages of our Cell Phone Signal Blocker: Primary Factory, 3-year Warranty, Customizable Solutions.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/1000_factory.jpg?v=1767577938\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/oem_odm3_4.jpg?v=1754553139\" alt=\"Visual guide to the ODM \u0026amp; OEM partnership process for Signal Blocker production.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3\u003e\n\u003cstrong\u003ePrecautions:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cdiv\u003e\u003cspan\u003e1. Factors affecting the actual shielding range include signal field strength, base station distance, mobile phone format, obstacles, installation height, installation specifications, etc.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2. It is normal for the host to heat up after working for a long time. If the temperature is too high, please turn off the power and contact your local dealer\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e3. The normal installation height is 1.8m～3m, try to choose the place where there is no obstacle between the target shielding area.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/finally_cell_phone_jammer_application_2.jpg?v=1754553139\" alt=\"WiFi blocker and portable signal blocker for school and office use\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ch2 style=\"text-align: center;\" class=\"tabTitle\"\u003eFAQS\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong data-end=\"256\" data-start=\"185\"\u003e1. What frequency bands can your products block? Does it support 5G?\u003c\/strong\u003e\u003cbr data-end=\"259\" data-start=\"256\"\u003eOur devices support full-spectrum blocking, including 2G\/3G\/4G\/5G, Wi-Fi 2.4G\/5.8G, GPS L1–L5, Bluetooth, UHF\/VHF, LoRa, etc. Specific bands can be customized according to your application requirements.\u003c\/p\u003e\n\u003cp data-end=\"692\" data-start=\"516\"\u003e\u003cstrong data-end=\"598\" data-start=\"516\"\u003e2. Can output power be adjusted individually per band? Why is this important?\u003c\/strong\u003e\u003cbr data-end=\"601\" data-start=\"598\"\u003eYes. Each frequency module supports independent power adjustment. This allows for:\u003c\/p\u003e\n\u003cul data-end=\"902\" data-start=\"693\"\u003e\n\u003cli data-end=\"767\" data-start=\"693\"\u003e\n\u003cp data-end=\"767\" data-start=\"695\"\u003eAccurate control of the blocking radius (preventing unwanted overspill)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"830\" data-start=\"768\"\u003e\n\u003cp data-end=\"830\" data-start=\"770\"\u003eEnhancing specific bands with strong external interference\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"902\" data-start=\"831\"\u003e\n\u003cp data-end=\"902\" data-start=\"833\"\u003eReducing noise and power consumption while improving system stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e3. \u003c\/strong\u003e\u003cstrong data-end=\"1307\" data-start=\"1218\"\u003eIs it effective in high-signal environments (e.g., \u0026lt;200 meters from cell towers)?\u003c\/strong\u003e\u003cbr data-end=\"1310\" data-start=\"1307\"\u003eAbsolutely. Featuring built-in high-power directional RF modules and high-gain antennas, our blockers remain effective even under extreme interference levels from nearby base stations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-end=\"267\" data-start=\"169\"\u003e4. \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong data-end=\"267\" data-start=\"169\"\u003eWill the signal blocker affect other electronic equipment, like projectors or microphones?\u003c\/strong\u003e\u003cbr data-end=\"270\" data-start=\"267\"\u003eNo. Our signal blockers only target wireless communication frequencies (e.g., mobile, WiFi, GPS). They won’t affect wired audio-visual equipment.\u003c\/p\u003e\n\u003cp data-end=\"633\" data-start=\"424\"\u003e\u003cstrong data-end=\"480\" data-start=\"424\"\u003e5. Can I adjust the power output of each frequency?\u003c\/strong\u003e\u003cbr data-end=\"483\" data-start=\"480\"\u003eYes. Each frequency module can be independently adjusted to control the blocking distance (e.g., 8–100 meters) based on your actual environment.\u003c\/p\u003e\n\u003cp data-end=\"846\" data-start=\"635\"\u003e\u003cstrong data-end=\"707\" data-start=\"635\"\u003e6. Will multiple omnidirectional blockers interfere with each other?\u003c\/strong\u003e\u003cbr data-end=\"710\" data-start=\"707\"\u003eNo, if properly installed. We provide optimized layout and directional separation to avoid overlap or interference between units.\u003c\/p\u003e\n\u003cp data-end=\"1083\" data-start=\"848\"\u003e\u003cstrong data-end=\"908\" data-start=\"848\"\u003e7. Do I need to install any equipment outside the room?\u003c\/strong\u003e\u003cbr data-end=\"911\" data-start=\"908\"\u003eUsually not. But in extreme environments (e.g., near strong outdoor base stations), we may recommend an outdoor blocking unit to strengthen coverage from both sides.\u003c\/p\u003e\n\u003cp data-end=\"1523\" data-start=\"1289\"\u003e\u003cstrong data-start=\"1794\" data-end=\"1888\"\u003e8. Does installation require damaging the building structure? Can the layout be flexible?\u003c\/strong\u003e\u003cbr data-start=\"1888\" data-end=\"1891\"\u003eNo structural damage is needed. The blocker can be mounted on walls, ceilings, or pillars. Recommended installation height is 2.5–3 meters, and the layout is fully adaptable to your site conditions.\u003c\/p\u003e\n\u003cp data-start=\"2343\" data-end=\"2592\"\u003e\u003cstrong data-start=\"2343\" data-end=\"2407\"\u003e9. Can the device operate 24\/7? Is it prone to overheating?\u003c\/strong\u003e\u003cbr data-start=\"2407\" data-end=\"2410\"\u003eYes. Our blockers support continuous 24\/7 operation and are equipped with 6-zone fan cooling and soft-start circuitry for stable long-term performance without freezing or overheating.\u003c\/p\u003e\n\u003cstrong data-start=\"2599\" data-end=\"2683\"\u003e10. Do you support OEM\/ODM? Can the device be customized for specific scenarios?\u003c\/strong\u003e\u003cbr data-start=\"2683\" data-end=\"2686\"\u003eYes. With over 21 years of OEM\/ODM experience, we can customize power levels, frequency bands, housing structure, and communication protocols for conference rooms, prisons, military sites, vehicles, and more.\u003cstrong data-start=\"2908\" data-end=\"2982\"\u003e\u003c\/strong\u003e\n\u003c\/div\u003e","brand":"DescBoost","offers":[{"title":"Default Title","offer_id":46772487684270,"sku":null,"price":1500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/mobile_phone_detector.jpg?v=1765856668"},{"product_id":"50w-cell-phone-blocker","title":"50W Exam Full-band K-12 Omnidirectional Cell Phone Blocker 5G WIFI Bluetooth Blocker","description":"\u003ch3 style=\"text-align: center;\"\u003eNo Signals. No Cheating. No Compromise\u003c\/h3\u003e\n\u003cdiv\u003eBy deploying classroom cell phone blockers, schools can instantly block calls, texts, and data connections—eliminating cheating methods, hidden devices, and unauthorized communication, while creating a secure, distraction-free, and fair examination environment.\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eOur portable cell phone blocker can support all the 2G\/3G\/4G\/5G cellular bands of different mobile network operators and Wi-Fi frequency bands all in one device. However, it only blocks the reception of on-site mobile devices and does not affect surrounding base stations.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003eAdvanced\u003ca href=\"https:\/\/desc-boost.com\/products\/120w-cell-phone-signal-blocker\" title=\"cellular blocker\"\u003e cellular blockers\u003c\/a\u003e allow adjustable range control, ensuring coverage is limited to the classroom without affecting neighboring areas.\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/111_b732ed16-3f96-47d1-9028-0fdc7bd480a5.jpg?v=1760411709\" alt=\"Official Inspection Report: K-12 phone Blocker Model DXK3000K-12-5G Certification\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"How phone blocker works emitting radio frequencies to block communication signals\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/800_DescBoost_phone_blocker.jpg?v=1756995463\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/finally_cell_phone_jammer_application_2_fdf5e4a8-3410-445a-8e16-abafbda0518b.jpg?v=1756202479\" alt=\"Cell phone blocker and 5G blocker used in examination, meeting room, and library\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Why choose our Signal Blocker? We are the Primary Factory with a Professional Team.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/Why_choose_us_1_c2be93cb-19fb-41ab-8b24-6af3e597465c.jpg?v=1754985610\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"9-step ODM\/OEM manufacturing workflow for a Wireless Signal Blocker device.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/oem_odm.jpg?v=1754985611\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cstrong\u003eFAQs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli data-start=\"62\" data-end=\"453\"\u003e\n\u003cstrong data-start=\"62\" data-end=\"169\"\u003eIs the omnidirectional signal blocker effective in high-signal environments (e.g., near mobile towers)?\u003c\/strong\u003e\u003cbr data-start=\"169\" data-end=\"172\"\u003eYes, even in areas with strong external signals, such as near mobile towers, our omnidirectional blocker ensures reliable performance due to its high-power RF modules and high-gain antennas, effectively maintaining a fair examination environment free from external interferences.\u003c\/li\u003e\n\u003cli data-start=\"455\" data-end=\"796\"\u003e\n\u003cstrong data-start=\"455\" data-end=\"554\"\u003eWill the signal blocker interfere with other electronic devices like projectors or microphones?\u003c\/strong\u003e\u003cbr data-start=\"554\" data-end=\"557\"\u003eNo, the blocker only affects wireless communication signals (mobile, Wi-Fi, Bluetooth, GPS) and does not interfere with wired devices such as projectors, printers, or classroom sound systems, ensuring normal teaching and exam operations.\u003c\/li\u003e\n\u003cli data-start=\"798\" data-end=\"1030\"\u003e\n\u003cstrong data-start=\"798\" data-end=\"857\"\u003eCan I adjust the blocking range for my examination hall?\u003c\/strong\u003e\u003cbr data-start=\"857\" data-end=\"860\"\u003eYes, the blocking range is adjustable from 1m to 30m, allowing for precise coverage of exam halls of different sizes without affecting nearby classrooms or office areas.\u003c\/li\u003e\n\u003cli data-start=\"1032\" data-end=\"1376\"\u003e\n\u003cstrong data-start=\"1032\" data-end=\"1129\"\u003eWill multiple omnidirectional blockers interfere with each other in a large examination hall?\u003c\/strong\u003e\u003cbr data-start=\"1129\" data-end=\"1132\"\u003eNo, with proper placement, multiple blockers will not interfere with each other. We provide layout recommendations to ensure that each unit works seamlessly without overlap or signal leakage, maintaining the integrity of the exam environment.\u003c\/li\u003e\n\u003cli data-start=\"1378\" data-end=\"1735\"\u003e\n\u003cstrong data-start=\"1378\" data-end=\"1475\"\u003eDo I need to install additional equipment outside the examination building for full coverage?\u003c\/strong\u003e\u003cbr data-start=\"1475\" data-end=\"1478\"\u003eTypically no additional equipment is needed. However, in schools located near mobile towers or areas with strong external signals, an outdoor unit can be added to strengthen coverage and prevent unauthorized communications from penetrating the exam halls.\u003c\/li\u003e\n\u003cli data-start=\"1737\" data-end=\"2016\"\u003e\n\u003cstrong data-start=\"1737\" data-end=\"1801\"\u003eDoes installation require modifying the classroom structure?\u003c\/strong\u003e\u003cbr data-start=\"1801\" data-end=\"1804\"\u003eNo, our devices are flexible in installation. They can be wall-mounted, ceiling-mounted, or placed on any flat surface without any structural modifications, making them easy to integrate into school facilities.\u003c\/li\u003e\n\u003cli data-start=\"2018\" data-end=\"2287\"\u003e\n\u003cstrong data-start=\"2018\" data-end=\"2100\"\u003eCan the device run continuously without overheating during long exam sessions?\u003c\/strong\u003e\u003cbr data-start=\"2100\" data-end=\"2103\"\u003eYes, the system supports continuous operation with built-in cooling systems and soft-start circuits, ensuring stable 24\/7 operation throughout exam periods without cheating risks.\u003c\/li\u003e\n\u003cli data-start=\"2289\" data-end=\"2566\"\u003e\n\u003cstrong data-start=\"2289\" data-end=\"2349\"\u003eDo you offer customization for school examination needs?\u003c\/strong\u003e\u003cbr data-start=\"2349\" data-end=\"2352\"\u003eYes, we provide OEM\/ODM services to tailor power levels, frequency bands, and housing designs to fit specific school requirements, ensuring exam fairness and confidentiality according to your institution’s needs.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"DescBoost","offers":[{"title":"Default Title","offer_id":46792846573742,"sku":null,"price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/phone_blocker.jpg?v=1756993817"},{"product_id":"80w-5g-portable-phone-blocker","title":"Cusstomizable Meeting Room 80W Full-band K-14 Omnidirectional Cell Phone Jammer 5G Portable Phone Jammer","description":"\u003cp\u003eDo you know what happens the moment a mobile phone enters your confidential meeting room? One person discreetly snaps a photo of a classified document, sending it off before anyone blinks. Another might pass along key points to people outside, putting your plans and strategies at risk.\u003cbr data-end=\"415\" data-start=\"412\"\u003eEvery unblocked device is a ticking time bomb—threatening security, destroying trust, and letting external influence into spaces that must remain strictly confidential.\u003c\/p\u003e\n\u003cp data-end=\"449\" data-start=\"84\"\u003eOur K-14 cell phone and wifi blocker is a versatile wall-mounted signal jammer designed to protect confidential meeting rooms. \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Mobile phone signal blocker device blocking GSM 4G 5G WiFi GPS signals\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/800_DescBoost_cell_phone_blocker_how_it_work.jpg?v=1756995678\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/finally_cell_phone_jammer_application_2_fdf5e4a8-3410-445a-8e16-abafbda0518b.jpg?v=1756202479\" alt=\"Applications of cell phone blocker and WiFi blocker in multiple environments\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/Why_choose_us_1_c2be93cb-19fb-41ab-8b24-6af3e597465c.jpg?v=1754985610\" alt=\"Brand Protection: Why choose us for our Signal Blocker? Primary Factory, Professional Team, High-quality Equipment.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"ODM\/OEM process flowchart for manufacturing a Cell Phone Signal Blocker.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/oem_odm.jpg?v=1754985611\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3 style=\"text-align: center;\"\u003eFAQs\u003c\/h3\u003e\n\u003carticle data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-278\" data-turn-id=\"request-68ac0dbf-3dcc-8329-b315-4b72c1fd84f9-19\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @[37rem]:[--thread-content-margin:--spacing(6)] @[72rem]:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:32rem] @[34rem]:[--thread-content-max-width:40rem] @[64rem]:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-model-slug=\"gpt-4o-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-5\" dir=\"auto\" data-message-id=\"4bf0e0c8-69db-4a61-8677-6b573d7dc09c\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003col data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2526\" data-start=\"0\"\u003e\n\u003cli data-end=\"370\" data-start=\"0\"\u003e\n\u003cp data-end=\"370\" data-start=\"3\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"110\" data-start=\"3\"\u003eIs the omnidirectional signal blocker effective in high-signal environments (e.g., near mobile towers)?\u003c\/strong\u003e\u003cbr data-end=\"113\" data-start=\"110\"\u003eYes, even in areas with strong external signals, such as near mobile towers, our omnidirectional blocker ensures reliable performance due to its high-power RF modules and high-gain antennas, protecting your confidential meetings from external interferences.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"715\" data-start=\"372\"\u003e\n\u003cp data-end=\"715\" data-start=\"375\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"474\" data-start=\"375\"\u003eWill the signal blocker interfere with other electronic devices like projectors or microphones?\u003c\/strong\u003e\u003cbr data-end=\"477\" data-start=\"474\"\u003eNo, the blocker only affects wireless communication signals (mobile, Wi-Fi, Bluetooth, GPS) and does not interfere with wired devices such as projectors or microphones, ensuring smooth operation of all equipment during sensitive meetings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"975\" data-start=\"717\"\u003e\n\u003cp data-end=\"975\" data-start=\"720\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"788\" data-start=\"720\"\u003eCan I adjust the jamming range for my confidential meeting room?\u003c\/strong\u003e\u003cbr data-end=\"791\" data-start=\"788\"\u003eYes, the jamming range is adjustable from 7m to 50m, allowing for precise coverage of your meeting space without disrupting adjacent areas, ensuring the confidentiality of discussions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1331\" data-start=\"977\"\u003e\n\u003cp data-end=\"1331\" data-start=\"980\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"1078\" data-start=\"980\"\u003eWill multiple omnidirectional blockers interfere with each other in a conference room setting?\u003c\/strong\u003e\u003cbr data-end=\"1081\" data-start=\"1078\"\u003eNo, with proper placement, multiple blockers will not interfere with each other. We provide layout recommendations to ensure that each unit works seamlessly without overlap or signal interference, maintaining the integrity of your secure environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1676\" data-start=\"1333\"\u003e\n\u003cp data-end=\"1676\" data-start=\"1336\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"1425\" data-start=\"1336\"\u003eDo I need to install additional equipment outside the meeting room for full coverage?\u003c\/strong\u003e\u003cbr data-end=\"1428\" data-start=\"1425\"\u003eTypically no additional equipment is needed. However, in areas with strong external interference, such as near a mobile tower, an outdoor unit can be added to reinforce coverage, and ensure that no unauthorized communications can penetrate the room.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1962\" data-start=\"1678\"\u003e\n\u003cp data-end=\"1962\" data-start=\"1681\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"1742\" data-start=\"1681\"\u003eDoes installation require modifying the room's structure?\u003c\/strong\u003e\u003cbr data-end=\"1745\" data-start=\"1742\"\u003eNo, our devices are flexible in installation. They can be wall-mounted, ceiling-mounted, or placed on any surface without any structural modifications, offering hassle-free integration into your meeting room’s layout.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2233\" data-start=\"1964\"\u003e\n\u003cp data-end=\"2233\" data-start=\"1967\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"2044\" data-start=\"1967\"\u003eCan the device run continuously without overheating during long meetings?\u003c\/strong\u003e\u003cbr data-end=\"2047\" data-start=\"2044\"\u003eYes, the system supports continuous operation with built-in cooling systems and soft-start circuits, ensuring uninterrupted operation for 24\/7 protection without the risk of overheating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-is-last-node=\"\" data-end=\"2526\" data-start=\"2235\"\u003e\n\u003cp data-is-last-node=\"\" data-end=\"2526\" data-start=\"2238\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"2299\" data-start=\"2238\"\u003eDo you offer customization for secure meeting room needs?\u003c\/strong\u003e\u003cbr data-end=\"2302\" data-start=\"2299\"\u003eYes, we provide OEM\/ODM services to tailor power levels, frequency bands, and housing designs to fit your specific security requirements, ensuring that your confidential meetings are protected according to your unique needs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e","brand":"DescBoost","offers":[{"title":"Default Title","offer_id":46821056250030,"sku":null,"price":196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/mobile_phone_blockers_1.jpg?v=1756993682"},{"product_id":"120w-exam-cell-phone-blocker","title":"120W N-14 Exam 2\/3\/4\/5G\/WIFI\/Bluetooth\/GSM Phone Blocker with Built-in Directional Power Adjustable Signal Blocker","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n    * {\n      margin: 0;\n      padding: 0;\n      box-sizing: border-box;\n      font-family: Arial, sans-serif;\n    }\n    body {\n      padding: 10px;\n      background-color: #f5f5f5;\n    }\n    .container {\n      display: grid;\n      grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));\n      gap: 8px;\n      justify-items: center;\n    }\n    .product-card {\n      background: white;\n      border: 1px solid #ddd;\n      border-radius: 6px;\n      padding: 10px;\n      width: 100%;\n      max-width: 160px;\n      text-align: center;\n      box-shadow: 0 2px 4px rgba(0,0,0,0.08);\n      transition: transform 0.2s ease, box-shadow 0.2s ease;\n    }\n    .product-card:hover {\n      transform: translateY(-2px);\n      box-shadow: 0 3px 6px rgba(0,0,0,0.15);\n    }\n    .product-card a {\n      text-decoration: none;\n      color: #000;\n      font-weight: 600;\n      font-size: 15px;\n      display: block;\n      padding: 5px 0;\n      transition: color 0.2s ease;\n    }\n\n    \/* 悬浮字体颜色变 eab12c *\/\n    .product-card a:hover {\n      color: #eab12c;\n      text-decoration: none;\n    }\n\n    \/* 手机上一行固定显示 2 个分类 *\/\n    @media (max-width: 600px) {\n      .container {\n        grid-template-columns: repeat(2, 1fr);\n      }\n    }\n\u003c\/style\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"product-card\"\u003e\u003ca style=\"border-bottom: 0px;\" href=\"https:\/\/desc-boost.com\/blogs\/cell-phone-jammer\"\u003eSuccessful Cases\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-card\"\u003e\u003ca style=\"border-bottom: 0px;\" href=\"https:\/\/desc-boost.com\/pages\/anti-drone-company\"\u003eOur Company\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 data-start=\"153\" data-end=\"184\" style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 data-start=\"153\" data-end=\"184\" style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/OEM_ODM_Manufacturer.jpg?v=1764646856\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/h2\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eReliable Solutions from a Trusted Manufacturer\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWith the rise of electronic cheating in exam halls, signal blockers have become an essential tool for maintaining exam integrity. As a manufacturer specializing in information security protection, we have 21 years of experience in research and development. Our devices are recognized for reliable quality and competitive pricing, making them a reliable choice for exam environments. For those having customizable requests or seeking reliable signal blocker manufacturers, we welcome you to \u003ca href=\"https:\/\/wa.me\/+8615813705916\" style=\"color: rgb(0, 0, 0);\"\u003econsult with us\u003c\/a\u003e. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\" data-end=\"108\" data-start=\"86\" data-section-id=\"uvdx3z\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable style=\"margin-left: 0px; margin-right: auto; width: 100.334%;\" class=\"w-fit min-w-(--thread-content-width)\" data-end=\"487\" data-start=\"195\"\u003e\n\u003cthead data-end=\"218\" data-start=\"195\"\u003e\n\u003ctr data-end=\"218\" data-start=\"195\"\u003e\n\u003cth style=\"width: 33.3901%;\" class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"207\" data-start=\"195\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"width: 66.3826%;\" class=\"last:pe-10\" data-col-size=\"md\" data-end=\"218\" data-start=\"207\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"487\" data-start=\"229\"\u003e\n\u003ctr style=\"text-align: left;\" data-end=\"266\" data-start=\"229\"\u003e\n\u003ctd style=\"width: 33.3901%;\" data-col-size=\"sm\" data-end=\"250\" data-start=\"229\"\u003eFrequency Coverage\u003c\/td\u003e\n\u003ctd style=\"width: 66.3826%;\" data-col-size=\"md\" data-end=\"266\" data-start=\"250\"\u003e758–5850 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\" data-end=\"293\" data-start=\"267\"\u003e\n\u003ctd style=\"width: 33.3901%;\" data-col-size=\"sm\" data-end=\"278\" data-start=\"267\"\u003eChannels\u003c\/td\u003e\n\u003ctd style=\"width: 66.3826%;\" data-col-size=\"md\" data-end=\"293\" data-start=\"278\"\u003e12 Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\" data-end=\"359\" data-start=\"294\"\u003e\n\u003ctd style=\"width: 33.3901%;\" data-col-size=\"sm\" data-end=\"314\" data-start=\"294\"\u003eSupported Signals\u003c\/td\u003e\n\u003ctd style=\"width: 66.3826%;\" data-col-size=\"md\" data-end=\"359\" data-start=\"314\"\u003e2G \/ 3G \/ 4G \/ 5G \/ WiFi 2.4G \/ WiFi 5.8G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\" data-end=\"379\" data-start=\"360\"\u003e\n\u003ctd style=\"width: 33.3901%;\" data-col-size=\"sm\" data-end=\"368\" data-start=\"360\"\u003eRange\u003c\/td\u003e\n\u003ctd style=\"width: 66.3826%;\" data-col-size=\"md\" data-end=\"379\" data-start=\"368\"\u003e8–100 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\" data-end=\"408\" data-start=\"380\"\u003e\n\u003ctd style=\"width: 33.3901%;\" data-col-size=\"sm\" data-end=\"395\" data-start=\"380\"\u003eOutput Power\u003c\/td\u003e\n\u003ctd style=\"width: 66.3826%;\" data-col-size=\"md\" data-end=\"408\" data-start=\"395\"\u003e37–40 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\" data-end=\"437\" data-start=\"409\"\u003e\n\u003ctd style=\"width: 33.3901%;\" data-col-size=\"sm\" data-end=\"429\" data-start=\"409\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd style=\"width: 66.3826%;\" data-col-size=\"md\" data-end=\"437\" data-start=\"429\"\u003e480W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: left;\" data-end=\"467\" data-start=\"438\"\u003e\n\u003ctd style=\"width: 33.3901%;\" data-col-size=\"sm\" data-end=\"445\" data-start=\"438\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"width: 66.3826%;\" data-col-size=\"md\" data-end=\"467\" data-start=\"445\"\u003e435 × 293 × 130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"487\" data-start=\"468\"\u003e\n\u003ctd style=\"text-align: left; width: 33.3901%;\" data-col-size=\"sm\" data-end=\"477\" data-start=\"468\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"text-align: left; width: 66.3826%;\" data-col-size=\"md\" data-end=\"487\" data-start=\"477\"\u003e7.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-end=\"127\" data-start=\"96\" style=\"text-align: left;\"\u003e\u003cstrong data-end=\"125\" data-start=\"96\"\u003eWhy Choose Our N-14-120W?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1080\" data-start=\"129\" style=\"text-align: left;\"\u003e\n\u003cli data-end=\"235\" data-start=\"129\"\u003e\n\u003cp data-end=\"235\" data-start=\"131\"\u003e\u003cstrong data-end=\"166\" data-start=\"131\"\u003eMulti-Band High-Power Coverage:\u003c\/strong\u003e Blocks GSM\/CDMA\/3G\/4G\/5G\/Wi-Fi simultaneously for full protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"488\" data-start=\"236\"\u003e\n\u003cp data-end=\"488\" data-start=\"238\"\u003e\u003cstrong data-end=\"284\" data-start=\"238\"\u003eAdjustable Power \u0026amp; Strong Signal Blocking:\u003c\/strong\u003e Power can be adjusted; even in areas with the strongest mobile signals (near base stations), it effectively blocks signals over 10 meters—solving the limitations of ordinary blockers near base stations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"592\" data-start=\"489\"\u003e\n\u003cp data-end=\"592\" data-start=\"491\"\u003e\u003cstrong data-end=\"517\" data-start=\"491\"\u003eDirectional Precision:\u003c\/strong\u003e Built-in directional modules ensure targeted and efficient interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"592\" data-start=\"489\"\u003e\n\u003cp data-end=\"592\" data-start=\"491\"\u003e\u003cstrong data-end=\"1002\" data-start=\"968\"\u003eSafe for Surrounding Networks:\u003c\/strong\u003e Only blocks on-site mobile devices; nearby base stations remain unaffected.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"836\" data-start=\"720\"\u003e\n\u003cp data-end=\"836\" data-start=\"722\"\u003e\u003cstrong data-end=\"751\" data-start=\"722\"\u003eStrong Security Benefits:\u003c\/strong\u003e Eliminates unauthorized communication, recording, live-streaming, or data leakage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"965\" data-start=\"837\"\u003e\n\u003cp data-end=\"965\" data-start=\"839\"\u003e\u003cstrong data-end=\"869\" data-start=\"839\"\u003eIdeal for High-Risk Areas:\u003c\/strong\u003e Perfect for courts, prisons, exam halls, confidential meetings, and security-sensitive zones.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/phone_jammer_details_1.jpg?v=1754533850\" alt=\"Cell phone jammer details\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/cell_phone_jammer_size_2.jpg?v=1754553138\" alt=\"cell phone blocker size\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ch3 data-end=\"2599\" data-start=\"2563\" style=\"text-align: center;\"\u003eHow Does the N-14-120W Work?\u003c\/h3\u003e\n\u003cp data-end=\"2773\" data-start=\"2663\"\u003eThe N-14-120W operates by generating a \u003cstrong data-end=\"2731\" data-start=\"2702\"\u003econtrolled RF environment\u003c\/strong\u003e within a designated zone. When activated:\u003c\/p\u003e\n\u003col\u003e\n\u003cli data-end=\"2904\" data-start=\"2778\"\u003eThe system’s\u003cstrong\u003e \u003c\/strong\u003edirectional antenna array emits regulated, low-interference RF signals across selected communication bands.\u003c\/li\u003e\n\u003cli data-end=\"3016\" data-start=\"2908\"\u003eMobile devices within this zone cannot establish stable communication links with nearby base stations.\u003c\/li\u003e\n\u003cli data-end=\"3143\" data-start=\"3020\"\u003eCalls, messages, data connections, Wi-Fi, and other wireless functions remain inactive during the system’s operation.\u003c\/li\u003e\n\u003cli data-end=\"3273\" data-start=\"3147\"\u003eSurrounding base stations and external areas remain unaffected, as the system only influences the localized coverage area.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 data-end=\"3420\" data-start=\"3406\" style=\"text-align: center;\"\u003eWarranty\u003c\/h3\u003e\n\u003cul data-end=\"3669\" data-start=\"3422\"\u003e\n\u003cli data-end=\"3511\" data-start=\"3422\"\u003e\n\u003cp data-end=\"3511\" data-start=\"3424\"\u003eStandard 12-month warranty covering manufacturing defects and component failures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3579\" data-start=\"3512\"\u003e\n\u003cp data-end=\"3579\" data-start=\"3514\"\u003eLifetime maintenance support is available from our technical team.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3669\" data-start=\"3580\"\u003e\n\u003cp data-end=\"3669\" data-start=\"3582\"\u003eOptional extended warranty plans can be purchased depending on regional requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePrecautions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1. Factors affecting the actual shielding range include signal field strength, base station distance, mobile phone format, obstacles, installation height, installation specifications, etc.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e2. It is normal for the host to heat up after working for a long time. If the temperature is too high, please turn off the power and contact your local dealer\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e3. The normal installation height is 1.8m～3m, try to choose the place where there is no obstacle between the target shielding area.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n.security-section{\n    width:100%;\n    text-align:center;\n    padding:20px 0 40px;\n}\n\n.security-title{\n    font-size:40px;\n    font-weight:700;\n    color:#2c3e50;\n    margin:0 0 40px;\n    text-align:center;\n}\n\n.security-cards{\n    display:flex;\n    justify-content:center;\n    align-items:stretch;\n    gap:30px;\n    flex-wrap:wrap;\n    width:100%;\n    margin:0 auto;\n}\n\n.card{\n    width:320px;\n    display:flex;\n    flex-direction:column;\n    background:#fff;\n    border-radius:10px;\n    overflow:hidden;\n    box-shadow:0 4px 10px rgba(0,0,0,.08);\n    text-decoration:none;\n    color:inherit;\n    transition:.3s;\n}\n\n.card:hover{\n    transform:translateY(-5px);\n    box-shadow:0 10px 20px rgba(0,0,0,.15);\n}\n\n.card-header{\n    padding:25px 20px;\n    text-align:center;\n    color:#fff;\n}\n\n.exam-header{\n    background:linear-gradient(135deg,#3498db,#2c3e50);\n}\n\n.prison-header{\n    background:linear-gradient(135deg,#e74c3c,#c0392b);\n}\n\n.meeting-header{\n    background:linear-gradient(135deg,#16a085,#1abc9c);\n}\n\n.card-title{\n    margin:0 0 8px;\n    font-size:28px;\n    color:#fff;\n}\n\n.card-subtitle{\n    margin:0;\n    color:#fff;\n}\n\n.card-body{\n    padding:16px 22px 14px;\n    text-align:left;\n}\n\n.feature-list{\n    list-style:none;\n    margin:0;\n    padding:0;\n}\n\n.feature-list li{\n    display:flex;\n    align-items:center;\n    padding:6px 0;\n    line-height:1.5;\n}\n\n.feature-list li:last-child{\n    padding-bottom:0;\n}\n\n.feature-list li::before{\n    content:\"✓\";\n    color:#2ecc71;\n    font-weight:bold;\n    margin-right:10px;\n}\n\n@media (max-width:768px){\n    .security-cards{\n        flex-direction:column;\n        align-items:center;\n    }\n\n    .card{\n        width:100%;\n        max-width:320px;\n    }\n}\n\u003c\/style\u003e\n\u003cdiv class=\"security-section\"\u003e\n\u003ch1 class=\"security-title\"\u003eSecurity Solutions\u003c\/h1\u003e\n\u003cdiv class=\"security-cards\"\u003e\n\u003ca href=\"https:\/\/desc-boost.com\/pages\/school-phone-blocker\" class=\"card\" target=\"_blank\"\u003e\n\u003cdiv class=\"card-header exam-header\"\u003e\n\u003ch2 class=\"card-title\"\u003eExam Room\u003c\/h2\u003e\n\u003cp class=\"card-subtitle\"\u003eEnsure fairness in examination halls\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card-body\"\u003e\n\u003cul class=\"feature-list\"\u003e\n\u003cli\u003eFull coverage\u003c\/li\u003e\n\u003cli\u003eOmnidirectional design\u003c\/li\u003e\n\u003cli\u003eSilent operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003ca href=\"https:\/\/desc-boost.com\/pages\/prison-phone-blocker\" class=\"card\" target=\"_blank\"\u003e\n\u003cdiv class=\"card-header prison-header\"\u003e\n\u003ch2 class=\"card-title\"\u003ePrison\u003c\/h2\u003e\n\u003cp class=\"card-subtitle\"\u003eMaintain order and security\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card-body\"\u003e\n\u003cul class=\"feature-list\"\u003e\n\u003cli\u003eDirectional interference\u003c\/li\u003e\n\u003cli\u003eAdjustable power output\u003c\/li\u003e\n\u003cli\u003eStable operation near base stations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003ca href=\"https:\/\/desc-boost.com\/pages\/meeting-room-phone-blocker\" class=\"card\" target=\"_blank\"\u003e\n\u003cdiv class=\"card-header meeting-header\"\u003e\n\u003ch2 class=\"card-title\"\u003eMeeting Room\u003c\/h2\u003e\n\u003cp class=\"card-subtitle\"\u003eMaintain confidentiality\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card-body\"\u003e\n\u003cul class=\"feature-list\"\u003e\n\u003cli\u003eFull coverage\u003c\/li\u003e\n\u003cli\u003eLow-noise operation\u003c\/li\u003e\n\u003cli\u003eRemote management support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"text-align: center;\" class=\"tabTitle\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFAQS\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-end=\"256\" data-start=\"185\"\u003e1. What frequency bands can your products block? Does it support 5G?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-end=\"259\" data-start=\"256\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eOur devices support full-spectrum blocking, including 2G\/3G\/4G\/5G, Wi-Fi 2.4G\/5.8G, GPS L1–L5, Bluetooth, UHF\/VHF, LoRa, etc. Specific bands can be customized according to your application requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"692\" data-start=\"516\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-end=\"598\" data-start=\"516\"\u003e2. Can output power be adjusted individually per band? Why is this important?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-end=\"601\" data-start=\"598\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eYes. Each frequency module supports independent power adjustment. This allows for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-end=\"902\" data-start=\"693\"\u003e\n\u003cli data-end=\"767\" data-start=\"693\" style=\"color: rgb(0, 0, 0);\"\u003e\n\u003cp data-end=\"767\" data-start=\"695\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAccurate control of the blocking radius (preventing unwanted overspill)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"830\" data-start=\"768\" style=\"color: rgb(0, 0, 0);\"\u003e\n\u003cp data-end=\"830\" data-start=\"770\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eEnhancing specific bands with strong external interference\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"902\" data-start=\"831\" style=\"color: rgb(0, 0, 0);\"\u003e\n\u003cp data-end=\"902\" data-start=\"833\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eReducing noise and power consumption while improving system stability\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e3. \u003c\/strong\u003e\u003cstrong data-end=\"1307\" data-start=\"1218\"\u003eIs it effective in high-signal environments (e.g., \u0026lt;200 meters from cell towers)?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-end=\"1310\" data-start=\"1307\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAbsolutely. Featuring built-in high-power directional RF modules and high-gain antennas, our blockers remain effective even under extreme interference levels from nearby base stations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan data-end=\"267\" data-start=\"169\"\u003e4. \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong data-end=\"267\" data-start=\"169\"\u003eWill the signal blocker affect other electronic equipment, like projectors or microphones?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-end=\"270\" data-start=\"267\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eNo. Our signal blockers only target wireless communication frequencies (e.g., mobile, WiFi, GPS). They won’t affect wired audio-visual equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"633\" data-start=\"424\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-end=\"480\" data-start=\"424\"\u003e5. Can I adjust the power output of each frequency?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-end=\"483\" data-start=\"480\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eYes. Each frequency module can be independently adjusted to control the blocking distance (e.g., 8–100 meters) based on your actual environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"846\" data-start=\"635\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-end=\"707\" data-start=\"635\"\u003e6. Will multiple omnidirectional blockers interfere with each other?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-end=\"710\" data-start=\"707\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eNo, if properly installed. We provide optimized layout and directional separation to avoid overlap or interference between units.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1083\" data-start=\"848\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-end=\"908\" data-start=\"848\"\u003e7. Do I need to install any equipment outside the classroom?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-end=\"911\" data-start=\"908\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eUsually not. But in extreme environments (e.g., near strong outdoor base stations), we may recommend an outdoor blocking unit to strengthen coverage from both sides.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1523\" data-start=\"1289\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"1794\" data-end=\"1888\"\u003e8. Does installation require damaging the building structure? Can the layout be flexible?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-start=\"1888\" data-end=\"1891\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eNo structural damage is needed. The blocker can be mounted on walls, ceilings, or pillars. Recommended installation height is 2.5–3 meters, and the layout is fully adaptable to your site conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2343\" data-end=\"2592\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"2343\" data-end=\"2407\"\u003e9. Can the device operate 24\/7? Is it prone to overheating?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-start=\"2407\" data-end=\"2410\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eYes. Our blockers support continuous 24\/7 operation and are equipped with 6-zone fan cooling and soft-start circuitry for stable long-term performance without freezing or overheating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"2599\" data-end=\"2683\"\u003e10. Do you support OEM\/ODM? Can the device be customized for specific scenarios?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-start=\"2683\" data-end=\"2686\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eYes. With over 21 years of OEM\/ODM experience, we can customize power levels, frequency bands, housing structure, and communication protocols for classrooms, conference rooms, prisons, military sites, vehicles, and more.\u003cstrong data-start=\"2908\" data-end=\"2982\"\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"DescBoost","offers":[{"title":"Default Title","offer_id":47051606294702,"sku":null,"price":1500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/5932\/6382\/files\/5G_4G_cell_phone_detector.jpg?v=1765769464"}],"url":"https:\/\/desc-boost.com\/collections\/china-2-4g-jammer-and-5g-cell-phone-jammer-manufacturers-suppliers.oembed","provider":"DescBoost","version":"1.0","type":"link"}