... transmission and protocol conversion Support fixed IP address data cent CDMA DTU Function 1) Embeded PPP,TCP/IP protocol2) Transparent data ... ) Network: Support IS-95 A/B and CDMA2000 1XRTT2) CDMA:450/800/1900Mhz3) ModuleIndustrial CDMA wireless mudule4) ModeSupport data, voice, short message B ...