Ultrasonic bracelet jams the microphones around youYou could thwart eavesdroppers with your wristwear.By J. Fingas, 02.15.2020
Small island prison first to install anti-drone 'forcefield'"Sky Fence" jams pilot controls so drones can't pass its threshold.By J. Rigg, 05.17.2017
Anti-drone gun takes down targets from 1.2 miles awayDroneGun jams robotic fliers at a very safe distance.By J. Fingas, 11.28.2016
Drones can defend themselves with an anti-laser jammerHelios prevents laser weapons from locking on.By J. Fingas, 09.11.2016
'Managed access' trial screens prison phone calls without jamming the airwavesBy D. Murph, 10.04.2010
TxTStopper announces cellphone jammer for your car, Microsoft too busy texting and driving to noticeBy T. Ricker, 06.28.2010
'Safe Prisons Communication Act' passes Senate, inmates won't be able to hear you soonBy T. Stevens, 10.07.2009