Unauthorized wireless activity during exams can affect discipline and exam integrity. Our device helps you maintain a more orderly examination environment.
| Parameter | Details |
|---|---|
| Frequency Coverage | 758–5850 MHz |
| Channels | 12 Channels |
| Supported Signals | 2G / 3G / 4G / 5G / WiFi 2.4G / WiFi 5.8G |
| Range | 8–100 m |
| Output Power | 37–40 dBm |
| Power Consumption | 480W |
| Size | 435 × 293 × 130 mm |
| Weight | 7.2 kg |
Ensure fairness in examination halls
Maintain order and security
Maintain confidentiality
The N-14-120W operates by generating a controlled RF environment within a designated zone. When activated:
Standard 12-month warranty covering manufacturing defects and component failures.
Lifetime maintenance support is available from our technical team.
Optional extended warranty plans can be purchased depending on regional requirements.
Our solutions can be configured for different communication environments including cellular networks, WiFi, GPS-related positioning environments, and other RF-based applications depending on regional requirements and project scenarios.
Different countries and operators use different communication standards, so proper configuration is important for system compatibility.
Our adjustable wireless management devices support configurable coverage control and optimized deployment planning to help reduce unnecessary impact outside the intended protection area.
For sensitive environments such as confidential meeting rooms, laboratories, examination centers, or secure facilities, we can assist with tailored deployment recommendations.
⚠️ WARNING: Improper installation or excessive configuration may influence nearby wireless environments.
Yes. We provide OEM/ODM customization including:
Our engineering team can develop customized wireless environment management solutions for complex projects.
All systems undergo RF testing, aging tests, temperature tests, and continuous operation verification before shipment.
Industrial-grade components are used to support stable long-term operation in demanding environments.
Yes. Sample units are available for testing and project evaluation before mass procurement.
For customized projects, sample preparation may require additional engineering verification time.
Production time depends on configuration complexity and order quantity.
Standard models: 7–10 working days
Customized systems: 2–4 weeks
Large integrated projects: depends on technical requirements
Urgent deployment projects can be prioritized upon request.
Wireless environments vary significantly between countries, operators, and building structures.
Before production, we confirm local communication specifications and application scenarios to improve compatibility and operational effectiveness.
⚠️ WARNING: Incorrect configuration parameters may reduce overall performance.
We strictly protect customer project data, deployment information, and technical specifications.
NDA agreements are supported for enterprise, infrastructure, and professional security-related projects.
All equipment is packaged with reinforced industrial export protection.
If shipping damage occurs, we provide technical assistance, replacement components, or replacement units according to warranty terms.
Yes. Our industrial-grade wireless environment management systems are designed for long-duration operation with advanced cooling and power management technologies.
This is especially important for critical infrastructure, secure communication environments, and high-security facilities.
Yes. Our RF modules can integrate with broader security infrastructures, including:
Surveillance platforms
Monitoring systems
Remote management centers
Intelligent facility management systems
Layered electronic protection networks
This enables more comprehensive wireless environment management for professional applications.
Yes. Selected models support remote monitoring and centralized management functions, allowing administrators to manage device status, operating schedules, and configuration settings more efficiently across multiple locations.
Yes. Our wireless environment management solutions can be deployed in small rooms, medium facilities, or large-scale environments through customized coverage planning and multi-unit coordination.
Our systems use industrial-grade RF components, intelligent thermal management, and continuous operational testing to help maintain stable long-term performance in demanding environments.
Yes. Different countries use different communication standards and carrier frequencies. We can customize frequency configurations according to local project requirements and regional specifications.
Yes. We provide professional technical assistance, deployment guidance, and after-sales support to help customers optimize installation and long-term operation.
Yes. Selected models support integration with broader monitoring and facility management platforms for more efficient operational coordination.
Our systems utilize optimized airflow structures, intelligent cooling management, and industrial thermal design to support stable operation during extended use.
Yes. We provide customized solutions for fixed, portable, and vehicle-mounted environments depending on project requirements and operational scenarios.
Our engineering team can provide customized deployment recommendations based on wall materials, room structures, wireless density, and environmental conditions to improve overall operational efficiency.
Professional environments often involve complex wireless conditions, multiple communication sources, and long-duration operation requirements. Customized industrial-grade systems provide better stability, scalability, and deployment flexibility for demanding applications.
| Category | Performance and Metrics |
|---|---|
| Size | 435 × 293 × 130 mm (Length × Width × Height) |
| Weight | 7.2 kg (main unit) |
| Shielding Range | 8–100 m (depending on the strength of the base station signal) |
| Power Supply & Consumption | AC110–220V / DC24V / 20A, Power Consumption: 480WBuilt-in dual switching power supply |
| Operating Temperature | -10℃ to +55℃ |
| Storage Temperature | -20℃ to +60℃ |
| Channel | Shielded Signals | Operating Frequency | Frequency Range Output Power | Channel Output Power |
|---|---|---|---|---|
| CH1 | Broadcast 5G / Mobile 5G | 758–803 MHz | 40 dBm | 5 dBm / 30KHz (min) |
| CH2 | CDMA / Telecom 2G / 4G | 851–894 MHz | 40 dBm | 5 dBm / 30KHz (min) |
| CH3 | GSM / Mobile 2G 4G / Unicom 4G | 925–960 MHz | 40 dBm | 5 dBm / 30KHz (min) |
| CH4 | DCS / Mobile 2G 4G / Unicom 4G / Telecom 4G | 1805–1990 MHz | 40 dBm | 2 dBm / 30KHz (min) |
| CH5 | PHS / Mobile 2G 4G / Unicom 4G / Telecom 4G | 1805–1990 MHz | 40 dBm | 2 dBm / 30KHz (min) |
| CH6 | 3G / Mobile Unicom Telecom 3G 4G | 2010–2170 MHz | 40 dBm | 2 dBm / 30KHz (min) |
| CH7 | 3G / Unicom Telecom 3G 4G | 2110–2170 MHz | 40 dBm | 2 dBm / 30KHz (min) |
| CH8 | 4G1 / Mobile 4G (indoor coverage) | 2300–2400 MHz | 40 dBm | 2 dBm / 30KHz (min) |
| CH9 | WIFI2.4G / WIFI5.8G | 2400–2483 MHz / 5725–5850 MHz | 37 dBm | 2 dBm / 30KHz (min) |
| CH10 | Mobile 4G 5G | 2500–2600 MHz | 39.5 dBm | 2 dBm / 30KHz (min) |
| Mobile 4G 5G | 2600–2690 MHz | 39.5 dBm | 2 dBm / 30KHz (min) | |
| CH11 | 5G1 / Telecom 5G | 3300–3500 MHz | 39 dBm | 2 dBm / 30KHz (min) |
| 5G2 / Unicom 5G | 3500–3800 MHz | 39 dBm | 2 dBm / 30KHz (min) | |
| CH12 | 5G2 / Mobile 5G (indoor coverage) / WIFI5.2G | 4800–4960 MHz / 5150–5350 MHz | 37 dBm | 2 dBm / 30KHz (min) |
Germany
This is our second time ordering the the cell phone blockers from this company, and we are very satisfied. The shielding performance is excellent, and both the industrial design and cooling system are impressive. Mr. Chen is always friendly and replies quickly—often within an hour, despite the time difference. This supplier has our full trust. Confidently recommended for any organization needing high-quality signal blockers.
Indonesia
We've been using the N-14-120W signal blockers for our examination venues for years, and the performance is excellent every time. Shipping to Indonesia is surprisingly fast, often ahead of schedule. The supplier is very reliable, always quick to answer our technical questions and adjust settings for different venue sizes. They even confirm the specifications before shipping. The equipment is always well-packed and arrives in perfect condition. 100% RECOMMENDED! Ask for Chen—he provides fantastic support.
Canada
The N-14-120W blockers we ordered work perfectly! 📶 The shielding is strong and stable, and the build quality is excellent. Communication with the technical team was smooth and professional, making the whole process easy. We also received a performance report before bulk order, which gave us full confidence. Will definitely order more for our meeting rooms. Thank you!
United States
I'm very satisfied with the DescBoost cell phone blockers we deployed. Mr. Chen is an excellent support engineer—helpful, professional, and very attentive to our site requirements. The equipment performs flawlessly in our conference rooms, and shipping was fast. Highly recommend working with him, and we will definitely purchase again.
United States
Delivery was slightly delayed due to customs, but once we received the N-14-120W units, we were impressed by the build quality. The heat dissipation and signal stability are excellent, and performance exceeded expectations. The devices are professional, durable, and ideal for our secure facilities. Tested under full load, and they performed perfectly. Very satisfied and planning a larger order. Highly recommended supplier.
United States
The shielding effectiveness, build quality, and packaging are excellent. The devices look professional and work very reliably. Planning to make them our main supplier for all secure meeting venues. 💖
United States
Just received the blockers and they all look robust and perform beautifully 💪 The signal blocking is always consistent, and the pricing is very fair. This supplier has been reliable every time—highly recommend! 🤩
Germany
The N-14-120W units work great, and the directional adjustment feature is very useful. The engineer Chen was very professional, offered excellent advice, and helped us optimize the antenna setup for maximum coverage. Extremely happy with the result and will order more if needed. Thank you!
United States
Very satisfied with the K-14-80W blockers—will be placing another order soon. They work perfectly in our training centers. We even customized the frequency ranges to match local networks, making the solution feel unique and tailored. 🙂
Vietnamese
We needed a reliable solution to block unauthorized communications used by inmates to smuggle contraband or coordinate escapes and to prevent sensitive information leaks during meetings. This signal blocker exceeded our expectations! Not only is it high-powered, but it also allows precise adjustment of power and frequency. Its unobtrusive design delivers exceptional effectiveness. Once activated, there are no signal blind spots and no risk of information leaks—exactly what we needed for enhancing prison security.
Canada
We installed this signal blocker throughout our prison, and it immediately enhanced our security measures. Its precise, adjustable power settings let us customize coverage exactly where it’s needed. By blocking all mobile and wireless signals, we have effectively reduced the risks of attacks and violence. It has become an indispensable tool for protecting the integrity of our facility.
South Africa
As a prison security officer, I had doubts at first about how effective the signal blocker could be.However, this high-power phone blocker has exceeded all my expectations. Even near strong cellular base stations, it consistently maintains full effectiveness. It’s perfect for supporting comprehensive, multi-layered security protocols. Truly a professional-grade solution tailored for correctional facility security.
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Click Email to boster.chen@gmail.com
