USR-GPRS232-734 RS485 to GPRS GSM Modem

Communication Expert of Industrial IOT
USR-GPRS232-734 RS485 to GPRS GSM Modem
USR-GPRS232-734 RS485 to GPRS GSM Modem
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Price: $58.60
Availability: In Stock
Model: USR-GPRS232-734
Average Rating: Not Rated

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This converter have RS485 port.


USR-GPRS232-734 is a new GPRS GSM modem developed by USR IOT. Maturation software functions, covering mostly conventional application scenarios. It can realize Serial to Network bidirectional transparent data transmission via simple configuration. Supporting custom registration package, heart beat package. Supporting 2 Socket Connection, and USR cloud join in. 

USR-GPRS232-734  is a cellular modem with RS485 interface. It can transmit between RS485 port and cellular network by a SIM card. Easily to add network connectivity to serial devices in the field.


  • Support:GSM850/900,DCS1800/1900,able to be used around the world
  • Support GSM/GPRS/EDGE and 2G/3G/4G card, but don’t support 3G/4G network
  • Each connection support 4KB data cache, when in abnormal connection choosing data cache to avoid data lost
  • Support sending registration package and heartbeat package data
  • 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 establishing, maintaining and closing network connection by using extension instruction set, more flexibility in application
  • Support sending Chinese/English SMS via simple instructions, avoiding PDU sending Chinese SMS which complex and hard use
  • Support class RFC2217,can modify module serial parameter via network dynamically
  • Support wide voltage 5~36V power supply, using DC power supply and terminal power supply
  • RS485 circuit using electrical isolation scheme, has anti-interference ability


GPRS GSM Modem (Data Transfer unit) is a wireless terminal equipment which can converter serial data to TCPIP data or convert IP data to serial data, then transmit through wireless network.

GPRS GSM Modem is to use GSM/GPRS/EDGE network to transmit data, it adopts industrial-grade embedded processor, embedded TCP/IP protocol stack.

At present, this device have already been used widely in M2M industry, such as

Electric power industry:

1. Electric remote meter reading 2. Substation monitor 3. Power line monitor 4. Switch monitoring system on distribution network column

Water conservancy industry:

1. Water quality monitor 2. Reservoir gate remote control system solutions

3. Water conservancy GPRS scheduling system application solutions

4. Water pipe network monitoring system 5. Reservoir automatic monitoring system

Oil industry:

1. Oil and gas well remote monitor 2. GPRS remote oil field automation monitoring system 3. Gas pipeline network monitoring system solutions

Municipal industry:

1. Street lamp remote monitoring management 2. Pipe network remote monitor 3. City energy consumption monitor

Environmental protection industry:>

1. Pollution source monitor 2. Atmospheric environment monitor 3. Noise monitor 4. Dust monitor

Agricultural applications:

1. Greenhouse remote monitor 2. Aquaculture farmers monitor 3. Water pump monitor and control

Other industries:

1. Warehouse monitor management 2. Elevator remote monitor 3. Remote crane management system 4. Industrial energy consumption monitoring 5. Gas station GPRS data acquisition system 6. GPRS weather information collection system  


1.Application in public server

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2.Use network to extend serial communication distance

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3. Server transit mode

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Tags: gsm modem
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