... : 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 works as a passive ... system, intercepting cellular information directly from the air. It is undetectable and does ...