12 Bands Cell Phone Jammer - s-gps jammer 12v ac

12 Bands Cell Phone Jammer,s-gps jammer 12v ac,Before turning on the device,you must install the antennas accordlng to the mark indication on the main unit    Style JAX-121A-5 (1)    CDMA/GSM : 850 ---- 960MHz  (2)  ...