USR-GPRS232-730 GSM Modem / GPRS DTU (Data Transfer Unit) is a wireless terminal equipment which can convert serial data to IP data or convert IP data to serial data through gprs /GSM network. 730 is based on USR-GM3. Clients can use this product to realize bidirectional transparent transmission from serial port to network through simple AT command.



• RS232 or RS485 interface, can’t be used at one time
• 2G Frequency: GSM850/900,DCS1800/1900, 2G GSM/GPRS
• Work Mode: TCP and UDP Client
• Supports register packet and heartbeat packet
• Can be remote configurated via SMS
• Support multi work modes : SMS transmission mode,network transmission mode and HTTPD mode
• Support basic instruction set and extension instruction set
• Hardware flow control RTS/CTS




• Power industry: power remote meter reading, substation monitoring, power line monitoring
• Municipal industry: street lamp remote monitoring management, pipe network remote monitoring, urban energy consumption monitoring
• Oil industry: remote monitoring of oil-gas well, GPRS remote oilfield automation detection monitoring system, Gas pipe network monitoring system solutions
• Environmental protection industry: pollution sources monitoring, atmospheric environment monitoring, noise monitoring, dust monitoring
• Agricultural application: greenhouse remote monitoring and management, aquaculture monitoring management, agricultural water pump monitoring management