... IMEI change 8 gsm voip gateway (GOIP_8) gateway for call termination Specification:1. 4 GSM channels,up to 8 sim card2 ... system in high performance ARM 9 ProcessorBasic Features--LEDs for Power, Ready, Status, WAN, PC, GSM --Call forward from GSM ... : Type: 850MHz, 900MHz, 1800MHz, 1900MHz --Power: Input AC100V ~ 240V, output DC12V/2A +-10% --Power consumption: 32W maximum --Network card: 100/10Base ...