Introduction of GSM Modem RS232/RS485

Industrial Serial to IP cellular GPRS modem which convert the serial data RS232/485 into IP data and then transfer to data center through GPRS 2.5G mobile network. USR-GPRS232-730 is based on USR-GM3.  Can use this product to realize bidirectional transparent transmission from serial port to network through simple AT command.

Introduction of RS232 / RS485 GSM Modem


Port of  RS232/RS485 Industrial Modem USR-TCP232-730

 Port of RS232 / RS485 GSM Modem


Features of RS232 / RS485 Cellular Modem USR-TCP232-730

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 httpsD mode

Support basic instruction set and extension instruction set

Hardware flow control RTS/CTS


Functions of RS232 / RS485 Modem GSM USR-TCP232-730

Network Transmission

Bidirectional transparent transmission between modem and network

Network Transmission of RS232 / RS485 GSM Modem


httpsD Client 

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

httpsD Client of RS232 / RS485 GSM Modem


SMS Transmission

To achieve transparent communication between mobile phones and serial devices.

SMS Transmission of RS232 / RS485 GSM Modem


At Command

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

At Command, RS232 / RS485 GSM Modem


Application of RS232 / RS485 M2M Modem USR-TCP232-730

Data Acquisition of Intelligent Electricity

Data Acquisition of Intelligent Electricity, Application of RS232 / RS485 GSM Modem


Real-time Data Transmission of Charging Piles

Real-time data transmission of charging piles, application of RS232/485 GSM modem


Environmental Monitoring of Agricultural Networking

Environmental Monitoring of Agricultural Networking, application of RS232/485 GSM modem


Real-time Data Collection of Urban Public Transport

Real-time Data Collection of Urban Public Transport, application of RS232/485 GSM modem

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