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A portable signal detector with multiple fans inside a metal case, with visual indicators for 5G, 2G, 3G, 4G, and WiFi frequencies.
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How To Prevent Cheating In 200㎡ Large Exam Halls?

$1,500.00
Ensure Fair and Secure Examinations In large exam halls, traditional invigilation is no longer enough. Mobile phones, smart watches, and wireless earbuds enable real-time, hidden cheating that cannot be detected...
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Cell phone blocker certificate

Model No. N-14 120W  E-12 100W DXK300L-500W K-16 120W
Type Portable/Desktop Portable/Desktop  Portable/Desktop Portable/Desktop
 Antenna


Directional

 Directional

Omnidirectional

Directional

 Omnidirectional
DISTANCE (METERS) 8-100M 1-100M
10-50M
2G/3G/4G/5G √ √ √ √
GSM √ √ √ √
WIFI/BLUETOOTH √ √ √ √
DRONE

√

Walkie-talkies

 √ Optional Optional Optional
PRICE(USD) 1500 1215  32300 480
LINK SHOP NOW SHOP NOW  SHOP NOW SHOP NOW

Explain how the cell phone blockers work

cell phone blocker for classroom

We can employ multiple technologies to ensure secure environments free from unwanted signals and data leaks. One method involves Faraday cage shielding, where special panels are installed on walls to passively block signals from passing through, making it ideal for fixed locations requiring signal isolation with minimal equipment and cost.

Another approach uses cell phone blockers. They emit powerful interference signals to block communication, forcing phones into standby mode and preventing both outgoing and incoming calls.
Item Faraday Cage Cell Phone Blocker
Working Principle Physical isolation; signals cannot enter or escape Active interference to suppress communication
Signal Blocking Passive Blocking Active suppression
Cost High (construction-based) Medium–Low (equipment-based)
Deployment Slow(construction required); Permanent Fast (plug-and-play); Flexible(Desktop＆ Wall-mounted)
Typical Use Fixed, enclosed, high-security spaces Temporary, open, or large-area control

Our cell phone blockers provide wide coverage and reliable performance for permanent installations such as exam halls, conference rooms, prisons, or government offices. Multi-frequency blockers, capable of blocking multiple bands simultaneously, are the best choice for high-security environments requiring complete signal isolation.

No Signal Zone

Once activated, the cell phone blocker causes nearby idle devices to show "No Service." When deactivated, all phones automatically reconnect to the network and resume normal operation. Our cell phone blocker comes in multiple models, each offering different output power levels to meet various application needs.

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Compliance & Legal Information

United States (FCC Regulations)
Our cell phone blocker and drone blockers comply with FCC Part 15 regulations; use is restricted to authorized environments. Private placement is strictly prohibited by law. Please consult local authorities before deployment.

European Union (EU Authorization)

Usage of this blocker in public environments requires authorization from local communications regulators. Only approved sites are allowed.

Pakistan＆Brazil＆Indonesian＆Russian＆Singapore&Mainland China

Deployment requires approval from relevant government authorities. Use is restricted to educational, confidential, and designated security areas.

Safety & Certifications

Certified (CE, FCC, RoHS). Does not interfere with emergency or life-critical equipment. Only for legal, authorized uses.