Cellphone Signal jammer

Cellphone Signal jammer in small size,Mini GSM jammer Output portOutput frequencyJamming DiameterCDMA/GSM860-970MHz1-5M depending on the net connectionDCS/PHS1805-1930MHz3G2110-2170MHzcharger:AC110V-250V battery:3.7V 1000mA/hWeight:100g Dimension(L*W*H): 85×50×23 mm1. 5 channel type can efficiently provide shield for moblie signals from CDMA, GSM, DCS, PHS AND 3G. 2. It only shield the signals from the mobile phone and doesnot affect the normal operation of the other electronic devices. 3. Generally, pls use your moblie phone more than 200 meters away from the base station. 4. Slow start-up circuit can avoid sparkling caused by mechanical switch. 5. Effective isolating/ shielding diameter: 1-5meters 6.Working frequency: GSM/CDMA: 860-970MHz;DCS/PHS: 1805-1930MHz;3G: 2110-2170MHz. 7.Battery type: DC 8V, 1500mAh, can use about 2-3 hours continuously. 8.No harm to human health, 0.5kg weigh.