Handheld 10 Channel Signal Blocker Picture

Advantage: World first handheld design 10 all-in-one frequencies blocking all cell phone signals, LOJACK GPS, Wi-Fi, RF signals 7watt and high gain antennas, Jamming range 2 to 20 meters (at-75dBm, depends on signal strength in given area) with Nylon Cover Hang or wear on the arm or belt, easy to carry on, handheld Good cooling system with cooling fans inside and bigger hot sink With DIP switch, can turn on/off any signal band without affect other bands With car charger, can used in car directly, 12V DC/AC power supply is also available With built-in bigger battery, can work more than (2.0+ hours) 120 minutes: use the world's most safety high-capacity battery, can be repeated charging