... board, DUAL BAND 900/1800MHz SIM CARD GSM FIXED WIRELESS TERMINAL FWT, Fixed cellular terminal support payphone and alarm system, brand ... new GSM gateway, GSM FWT/GSM Mini box fixed wireless terminal for billing device/PBX/VOIP, GSM gateway , Single ... be adjusted separately.Support GSM and PSTNSupport enjoying surf on internet via GPRS (Optional)Please confirm optional features in purchase ...