2026-10-07
Learn how a cell phone jammer works, why jamming is illegal in the US, real specifications, range, prices, an…
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.
21 articles
Latest
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…
2026-09-23
Cell phone jammers flood your phone's downlink frequencies with RF noise, killing calls, texts, GPS, and WiFi…
2026-09-23
Signal jammers knock out cell and WiFi service by flooding the same frequencies your phone uses, and seizures…
2026-09-23
Federal law bans operating, selling, or marketing signal jammers in the US, and the FCC says there is no cons…
2026-09-22
A cell phone jammer floods the same radio frequencies your phone uses, drowning out the tower's signal so cal…
2026-09-22
A signal jammer floods the same radio frequencies your phone, GPS, or WiFi uses with noise, so the receiver c…