Support WCDMA / EVDO / TD-SCDMA,EDGE / GPRS / CDMA 1X 1 RS232 and 1 RS485 2 Ethernet ports which can be set as 2 LANs or 1 LAN SpecificationSupport WCDMA / EVDO / TD-SCDMA, besides EDGE / GPRS / CDMA 1X1 RS232 and 1 RS4852 Ethernet ports which can be set as 2 LANs or 1 LAN & 1 WAN2 SIM slots, backup for each otherWork as RouterWork as Wireless ModemSerial Data Transfer: TCP / UDPPPTP/L2TP/ ...