... Jamming signals: GSM, AMPS, HCMTS , CDMA , TDMA ,TACS , PCS Jet-990 Mobile Phone Intercept SystemThe Jet-990 is a tactical 'off air ... ' GSM, AMPS, HCMTS , CDMA , TDMA ,TACS , PCS , Mobile phone Intercept system, designed to intercept all cellular telephone , This system ... 990MHz 2. Jamming signals: GSM, AMPS, HCMTS , CDMA , TDMA ,TACS , PCS ,1. AC adaptor with DC input jack, AC 220V 50 ...