GS-12
This is a high-power pocket sized cell phone jammer. They can be used directly in a pocket or bag for covert use.

Specification:
1. Effective range: 30 meters
2. Input power: In-built 6.0V Ni MH battery pack
3. Output signal strength: 1400mW
4. System: AMPS, TACS, NMT, GSM, DCS, CDMA, PDC, TDMA, PHS, IDEN, W-CDMA, UMTS, 3G - 800-964 MHz 890-964 MHz 1.700-2.200MHz
5. Operation temperature: -10c to +50c
6. Humidity: 5% to 80%
7. Size: L 110 * W 62 * H 30 mm
8. Weight: 300g