Quadband Serial RS485 to GPRS Converter GPRS DTU

Quadband Serial RS485 to GPRS Converter GPRS DTU

Description:
- Easy to use, only configurate few parameters;
- Use single module, embedded Protocol stack, without external CPU,Higher stability;
- Support RS485 interface;
- Using single module embedded protocol stack, no external CPU, higher stability;
- Embedded TCP/IP protocol stack and GPRS technology;
- Support remote parameters settings, can change IP, port, ect. by SMS;
- Support GSM network, four frequency for global, but dont support CDMA/3G/EDGE;
- Support public and APN network access;
- Can configure heartbeat pack data format, transmit interval, and keep connection with server. Can configure log pack data format and automatically establish network connection with server;
- Support data length control, can set the length of single sending package and data pack waiting time;
- Support ALWAYS ONLINE mode, and dropped reconnect;
- Completely transparent transmission, can take place of data transfer radio, no changes needed on your original system;
- Use aluminum alloy case, shielding external disturbance effectively;
- Matched sucker antenna, convenient for customers install and use inside the iron case;
- Support KEEP-live, can maintain connection if there is no heartbeat packet;
- Support network connection in Max 4 Channel, can send data from serial port to differnet servers;
- Support remote parameter configuration, can configure all parameter by sending AT command via SMS;
- Support password authentication by remote configuration;

Specifications
- Working Voltage: 5~28V;
- Working current: max 1200mA, normal 100~200mA;
- Working temperature: -40~80°C;
- Storage temperature: -40~85°C;
- Storage humidity: 5%~95%RH;
- MAX transmit consumption: GSM900 class4(2W),DCS1800 class1(1W);
- Working Frequency: 850/900/1800/1900MHZ;
- Three link: (POW/NET/DATA) for power, work status, connection;
- Transparent transmission mode supports the TCP/UDP protocol transmission; users can use other mode flexibly;
- Serial port level: supports RS485 interface;
- Chuck antenna /PCB onboard antenna is optional;