G-8000, GPRS terminal can support 900/1800/1900MHZ, which adopt Simens MC35i/MC39i Module, Standard Rs232 Slot, Industrial strict design. can communicate with E-Focus' Guard Tour System, it's easy to connect GPRS and Internet, and transfer the data to the PC in Headsquare Transparent Data Transfer and Protocol Conversion Support Virtual Data Network APN Compliable with ETSI GSM Phase 2+ Online all the time Support A5/1&A5/5 encrypt arithmetic STK card special Function Setting Support point to point, Point to multipoint Mutlipoint to Multipoint EMC Design, can be used in Bad electromagnetism circumstance Can run under low or high temperature