2026-10-22
Learn how schools can legally enforce phone-free exams without illegal signal jammers, using pouches, lockers…
Cell Phone Jammers
How cell phone jamming works across 2G, 3G, 4G, and 5G networks — the technology, the frequency bands, and the legal debate behind it.
26 articles
Latest
2026-10-21
Learn legal, respectful ways to reduce phone distractions in meeting rooms with clear ground rules, written p…
2026-10-14
Learn how cell phone jammers block signals, which frequencies they target, US laws and penalties, and how to …
2026-10-13
Learn how to block cell phone signal indoors with jammers, Faraday cages, and Wi-Fi pauses. Compare frequenci…
2026-10-10
Cell phone jammers are illegal in the workplace under FCC rules. Learn federal law, real enforcement cases, f…
2026-10-07
Learn how a cell phone jammer works, why jamming is illegal in the US, real specifications, range, prices, an…
2026-10-04
Jamming employee phones in an office is illegal in the US. Learn FCC rules, real fines against employers, and…
2026-10-01
Exam hall phone signal blocking rules explained: FCC bans active jammers, while Faraday bags and phone-free p…
2026-09-29
Cell phone jammers flood the same radio bands your phone uses, from 700 MHz to 2100 MHz, plus GPS and WiFi fr…
2026-09-23
Prison cell phone jammer systems flood the airwaves inside cellblocks to cut off contraband phones, but they …
2026-09-23
Prison cell phone jamming blocks contraband phones by overpowering downlink signals, but it costs $1.5M to $2…
2026-09-23
A hands-on look at how an educational signal jammer project actually works, from the RF amplifier and VCO tun…