Specifications: PRI-GSM Gateway called StarGate with 30+2 GSM channels (2 as a back up - helps to increase ASR), works with external RCU unit (see more info below), 1 PRI interface (EuroISDN PRI with DSS1 signalling), 30 OUTGOING/INCOMMING CALLS SIMULTANEOUSLY, 32x4 SIM card slots/readers, Ethernet port for remote control via IP (Telnet), RS232C for remote control via analog/ISDN modem, SW for local and remote control included (with internal least cost routing, CDRs, etc.), external antenna combiner 32/2 (32 channels combined to 2 antennas), 2 YAGI high gain antennas, 2x15m cable for antennas