Serial device USR-USR-232-730


RS232 RS485 Serial to GSM Modem

USR-GPRS232-730 is a RS232 RS485 to GSM GPRS modem, which used for data transparent transmission based on 2G Network.

  • 1 RS232 serial port and 1 RS485 serial port (not use simultaneously)
  • Power: 5V~36V
  • Quad-Band GSM/GPRS 850/900/1800/1900MHz
  • Flow Control: CTS/RTS
  • Transparent mode(TCP/UDP)/HTTP client/SMS mode

Mô tả

Introduction of RS232 / RS485 GSM Modem

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.

Port of  RS232 / RS485 GSM Modem

Features of RS232 / RS485 GSM Modem

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


Functions of RS232 / RS485 GSM Modem

Network Transmission

Bidirectional transparent transmission between modem and network

HTTPD Client 

Support serial data HTTP(GET/POST) to submit to the specified server.

SMS Transmission

To achieve transparent communication between mobile phones and serial devices.

At Command

Support AT command query and set the parameters via- serial, network, SMS.

Application of RS232 / RS485 GSM Modem

Data Acquisition of Intelligent Electricity

Real-time Data Transmission of Charging Piles

Environmental Monitoring of Agricultural Networking

Real-time Data Collection of Urban Public Transport

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



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