Introduction of RS232 / RS485 GSM Modems

This is a RS232/RS485 to gprs dtu, used for data transparent transmission. USR-GPRS232-730 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 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.

Features of RS232 / RS485 GSM Modems

  • Support RS232/RS485 interface, choose before purchase;
  • Support GSM850/900,DCS1800/1900
  • Support GSM/GPRS and 2G/3G/4G card, but don’t support 3G/4G network
  • Support TCP and UDP
  • Support register packet and heartbeat packet
  • Support remote configuration via SMS
  • Support multi work modes : SMS transmission mode,network transmission mode and HTTPD mode
  • Support basic instruction set and extension instruction set
  • Support class RFC2217, can dynamically modify serial parameter of module via network
  • Support hardware flow control RTS/CTS

Application Field of RS232 / RS485 GSM Modems

  • 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


1.Application in public server


2.Use network to extend serial communication distance


3. Server transit mode



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GPRS DTU Terminal RS232 RS485 to GPRS Modem USR-GPRS232-730

  • Product Code: ESWLB680741
  • Availability: Out Of Stock
  • Rs.4,750.00


Tags: GPRS, Modem, USR-GPRS232-730