signal jammers
Wireless communication blockers
Signal jammers are devices that block or interfere with wireless communications by transmitting radio signals on the same frequencies.
They can disrupt cell phones, GPS, Wi-Fi, or other wireless systems within a certain radius.
Signal jammers are illegal for civilian use in many countries because they can interfere with emergency communications: The prison installed signal jammers to prevent inmates from using smuggled phones.
- interferenceUnwelcome involvement in affairs
- frequencyRate of recurrence
- radioElectromagnetic wave receiver
- radio silenceAbsence of broadcast communication
- white noiseConstant random sound
blocking · scrambler · disruptor · static · noise · military · electronic warfare · black ops · electronics · antenna · wireless · GPS · drone · countermeasure · illegal · broadcast · transmission · waves
- countersurveillancedebugging, anti-tracking
signal jammersamplifiers
Devices that increase signal
signal boosters · repeaters · boosters · power amplifiers · transmitters
signal jammerstransceivers
Combined sender-receiver devices
relay stations · radio transmitters · broadcasting equipment · communication towers · radio beacons
signal, signals, signaled, signaling, signaller, signallers, sign, signs, signed