Black color handheld jammer with genuine leather case, you can use the this 4 band GSM/CDMA,3G and WIFI cell phone jammer to block the above wireless signal frequency or design frequency per your requirements or demands. Each frequency can be controlled by separate switch. Mini pocket jammer can be used everywhere you want and easy carry and operate. Widely used for meeting room, bank, classroom, hospital and ect.
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Specifications:
Item model#:CPJ450 Jamming for GSM/CDMA,3G all kinds jammer &Wifi
Blocking System:Nextel, Wi-Fi, AMPS, TACS, NMT, GSM, DCS, CDMA, PDC, TDMA, PHS, IDEN, W-CDMA, UMTS, 3G;
Detail Frequency:
Band 1: CDMA/GSM: 850-960 MHz;
Band 2: DCS/PCS: 1805-1990 MHz;
Band 3: 3G: 2110-2170 MHz;
Band 4: Wi-Fi: 2400-2500MHz;
Total output Power: 2 watt;
Blocking Radius range: 5-20M@ depending on the mobile service provider's network condition;
Power supply: AC110-240V 12V car power plug;  
 Built-in rechargeable Battery:2000mA/h;
Built-in battery working time : 90minutes;
Temperature: -10℃ to +50℃;
Colors: Black;
Package information:
Device Size:   109*61*30mm;
Package Size: 210*152*85 mm;
Gross Weight: 0.75Kg;