Detailed Description  CDMA Router Hongdian Galaxy H7920 Series Router Features 1) Basic functions  Standard antenna and SIM/R-UIM interface Supports multi-band GPRS/EDGE or CDMA 1x network Supports GoTa network Supports GPRS/EDGE customized APN or CDMA VPDN Optimized EMC design Wide range power input Smart power management 2) Enhanced functions Embedded PPP, TCP/IP stack Auto-obtaining an IP address for the private PPP server Supports always online Online detection and redialing Supports STK/UTK special service configuration Supports external Syslog server Supports CDMA or Internet clock timing Built-in DHCP server Built-in firewall Supports NAT and DMZ host Supports DDNS Supports routing table Supports packet filter Built-in multi-routing backup (Ethernet and dialup network) System and network monitoring WAN interface traffic statistics Supports BTS testing Local or remote firmware update (via TFTP or Web) Built-in operation help 3) Advanced functions Modular design, easy to extent  Separate routing and radio unit design;  Adapt different operators network and easy to update to 3G network; Multi-level link detection and redial, keep the traffic channel alive  PPP detection;  Local and remote ICMP detection;  Heart-beat detection;  WAN interface traffic detection; On/off line control  Auto or manual dial;  On/off line control from connected device;  Timing on/off line control; Flexible data communication  Supports layer 2 and 3 data communication;  Supports RS-232 transparent communication: UDP/IP or TCP/IP Client/Server;  Supports both RS-232 and Ethernet communication;  Configuration and remote management;  Multi-language web based configuration interface (local or remote);  Supports TELNET commands;  CLI operation (via RS-232 interface);  Configuration parameters import/export; Virtual online technology (benefit for operators network and save customer cost,   supports CDMA network only)  Release wireless network channel while there is no users data traffic;  Keep the router online logically when the wireless channel released;  The router will immediately restore to the connected status without any redial or  authentication if there is any data transmitted. Hongdian Galaxy H7920 Series Router Specifications 1) GPRS/EDGE Data Supports GSM/GPRS/EDGE 900/1800MHz, 800/900/1800/1900MHz optional GPRS/EDGE Class 2~10 Code Scheme: CS1 - CS4  Complied with SMG31bis specifications 2) CDMA 1x Data Supports CDMA 1x 800MHz, 450MHz or 800/1900MHz optional Support IS 707 data service Support Class 2.0 Group 3 facsimile CDMA 2000 spread spectrum Complied with IS-95A, IS-95B CDMA interface 3) Bandwidth GPRS: 171.2Kbit/s theoretically, 20~50Kbit/s actually (asymmetrical) EDGE: 473.6 kbps theoretically, 100~200Kbit/s actually (asymmetrical) CDMA 1x: 300Kb/s theoreticall, 100Kb/s actually (symmetrical) 4) Interface Antenna: 50/SMA female SIM/R-UIM: 3V Serial port interface (DB9): RS-232(DCE) Serial port rate: 300~115200bps Ethernet: 1 x 10/100BaseT/RJ45, 5 x 10/100BaseT/RJ45 optional Configuration interface: WEB/Telnet or RS-232 Voice interface: Standard voice level input/output 5) Power Voltage: +5VDC(+7.5~+26 optional) Consumption  Peak current: 2A/+5VDC  GPRS/EDGE: Communication: 420mA/+5VDC Standby: 328mA/+5VDC   CDMA1x: Communication: 570mA/+5VDC Standby: 480mA/+5VDC 6) Others Mechanical: 98x100x23 (not including antenna and mounting kits) Weight: 320g Operation temperature: -10~+50ºC Store temperature: -20~+75ºC Related humidity: 95% (non-condensing)