Blocks all CDMA, GSM, 3G, DCS, PHS, IDEN, UMTS, AMPS Mobile phones. Shielding Radius: 200-400meters  Weight: 105 kg Remote control: Can up and down the Power, Can open and close the Jammer. Power supply: AC adapter (AC100-220V-DC5V)    Work time: Witho... 

Car alarm is an electronic device installed in a vehicle in an attempt to discourage theft. Car alarms work by emitting high-volume sound (usually a siren, klaxon, pre-recorded verbal warning, the vehicle's own horn, or a combination thereof) when triggered or when circuit i... 

Blocks all CDMA, GSM, 3G, DCS, PHS, IDEN, UMTS, AMPS Mobile phones. Shielding Radius: 10-40meters  Weight: 1.65 kg Dimension: 190*50*170mm Remote control: Can up and down the Power, Can open and close the Jammer. Power supply: AC adapter (AC100-220V-DC5V)  &... 

Blocks all CDMA, GSM, 3G, DCS, PHS Mobile phones. Shielding Radius: 3-15meters  Dimension: (width, height, length) 4.5cm *10cm*1.8cm Weight: 150g Lithium Battery: Use time is 2-3hours (Use the Nokia charger)

Blocks all CDMA, GSM, 3G, DCS, PHS, IDEN, UMTS, AMPS Mobile phones. Shielding Radius: 5-20meters  Power Supply: Battery Weight: 450g Lithium Battery: Use time is 2-3hours (Use the Nokia charger)