The car phone jammer for install in cars to block people talking while the motor runing and no effect for other system in cars such as satalite control or security system.the jammer with ALC power control.

Technical specifications:

1. Effective shielding range: 10-50meters radius

2. Isolation bandwidth: CDMA: 869-894MHz

GSM: 925-960 MHZ

DCS:1805-1880MHZ

 WCDMA:2110-2170MHZ

 PHS:1900-1925MHZ

 PCS:1930-1990MHZ

3. Operation temperature: -40c to +55c

4. Humidity: 30% to 95%

5 Power adapter: 12V

Pls note, our car jammer for install in cars to block people talking while the motor runing and no effect for other system in cars such as satalite control or security system.