GF-3008W CDMA IP MODEM(DTU) Features 1) Transparent data transmission GF-3008W CDMA IP MODEM(DTU) provides transparent data transmission (RS232 or RS485 interface) for machine to machine connectivity. 2) Non host support Normally, CDMA Modem can be connected to a PC, and then dial an access number manually; it utilizes PC??s OS resources to finish the data transmission and protocol conversion. GF-3008W CDMA IP MODEM(DTU) is a powerful communication terminal in witch the microprocessor, TCP/IP stack and application software are embedded ; it works automatically without host PC. 3) Point to point, and multi-point to point data transmission GF-3008W CDMA IP MODEM(DTU) can be configured working in point to point, multi-point to point and center to multipoint network frames . 4) Always online GF-3008W CDMA IP MODEM(DTU) will automatically attach to CDMA network when the power is on, and then set up one up to ten sockets to the center server.. 5) cost saving toll GF-3008W CDMA IP MODEM(DTU) can work ??always online?? state, and only be charged when data transmitted. 6) High speed Maximum CDMA bandwidth can be 171.2Kb/s, only 40~100Kb/s can be reached at actual application. 7) Simple and flexible to use GF-3008W CDMA IP MODEM(DTU) is a powerful and easy to used device. It is easy to build your own private mobile data network at anywhere. 4.GF-3008W CDMA IP MODEM(DTU) Functions Basic Functions Ease to use, reliable and flexible Support dual band CDMA network ??Optional quad band GSM/CDMA 900/1800MHz?? Always online Real clock Built-in Watch Dog Enhanced Functions Transparent data transmission(serialNet function) Support virtual private data network (VPN) Support DDNS or IP address Continuous and automatic CDMA VPN Management (CDMA Data Tunnel) STK/UTK card configuration Support TTL/RS-232/422/485 interface Voice interface System configuration & maintenance interface Self-diagnostic and alarm output EMC/EMI design Enhanced and widely power supply design Industrial class pluggable terminals interface Industrial design with surge protection 5.Advantages & Benefits Industrial design with intelligent software capabilities, maki