Knowledge Base

2026-09-18

Classroom phone distraction is a real teaching problem, but jamming student phones is federally illegal in th…

2026-09-18

Wireless doorbells are cheap and easy to install, but they are also easy to confuse and, in the worst case, e…

2026-09-18

Exam room signal jammers block Bluetooth earpieces, hidden Wi-Fi transmitters, and covert calling by overpowe…

2026-09-18

Key fob relay attacks let thieves unlock and start keyless cars in seconds by boosting your fob signal from i…

2026-09-18

5G is harder to block than 4G because it spans 600 MHz to 39 GHz, and each material performs differently. Her…

2026-09-18

A Faraday bag for a key fob usually stops working because the conductive fabric wears out, not because the id…

2026-09-18

A signal blocker for hidden camera detection helps you find and cut off covert wireless cameras in homes, hot…

2026-09-18

Metal walls, siding, and roofing reflect and absorb cellular radio waves, turning shops, warehouses, and barn…

2026-09-18

Wireless cameras on 2.4 GHz or 5.0 GHz can be knocked offline by cheap jammers, while wired cameras cannot be…

2026-09-18

RFID blocking wallets shield only low-power RFID signals, while Faraday bags block a much wider spectrum in b…

2026-09-17

Smart meters broadcast RF bursts and low-frequency magnetic fields, and shielding can cut a large share of th…

2026-09-17

Signal jammers now feature in a huge share of keyless car thefts across England and Wales, and the law is fin…