GSM Cellular Interceptor This is an advanced monitoring system designed to intercept GSM cellular traffic. It is the most sophisticated - advanced state of the art equipment of it's kind. It is custom made to certain specifications according to the cellular system in your country. Features 8 channels 900/1800 MHz, (System with 1900 MHz is also available). The system can target specific numbers or randomly screen GSM mobile Communication. Conversations are monitored and logged simultaneously to voice and data logger for storage and retrieval.. Housed in industrial PC 19” rack mounted portable cabinet with attached keyboard and LCD monitor. Weight:12 Kg/23 Lb. Decodes voice codes LPT, RPE and EFR. Works with identificators IMSI, TMSI, IMEI, and MSISDN. Can receive BCCH, CCCH, SACCH, SDCCH, FACCH, and TCH Find incoming call number when call ID is available. Intercept 1 voice duplex Channel. Possibility to receive SNS Messages. Working range: Forward Channel 25 KM or 15.6 Mils, Reverse Channel depends on conditions - varies from 300 to 800 meters, or up to half a mile If unidirectional antennas are used, range can be increased.