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RS485 Industrial GSM Modem USR-GPRS232-734

RS485 Serial GSM Modem


SKU: RS485 Industrial GSM Modem USR-GPRS232-734 Categories: ,


Quad-band GSM/GPRS/EDGE 850/900/1800/1900 MHz
RS485 industrial GSM modem USR-GPRS232-734 can converts the serial data RS485 into IP data and then transfer to data center through GPRS 2.5G mobile network.

  • Support double data centers, one main and another backup
  • Connecting TCP/IP and sending SMS via AT commands
  • 1 RS485 serial port
  • Operation temperature Range of -25° ~85°
  • Quad-Band GSM/GPRS 850/900/1800/1900MHz
Wireless Parameter
Wireless Standard GSM/GPRS/EDGE
Standard Frequency Band 850/900/1800/1900MHz
Transmitted Power GSM900 class4 (2W)
DCS1800 class1 (1W)
GPRS Terminal Device Class Class B
GPRS Multi-slot Class GPRS Class 10
GPRS Coding Schemes CS1 ~ CS4
Antenna Option SMA interface
Hardware Parameter
Data Interface RS485 level, 5.08*3 terminals
Baud Rate 2400bps – 921600bps
Working Voltage DC 5V~36V
Working Current 59mA ~ 65mA (12V)
Operating Temp. -25° – 85°
Storage Temp. -40° – 125°
Size 82.5 * 86.0 * 24.0 mm
RS485 reliability Electrical Isolation
ESD air 15KV
Surge 4KV (8/20us)
Software Parameters
Wireless Network Type GSM/GPRS/EDGE
Working Mode Transparent transmission mode, SMS transparent transmission mode and HTTPD mode
Setting Command AT+ Command structure
Network Protocol TCP/UDP/DNS/HTTP
Max. TCP Connection 2
User Configuration Serial AT command, network AT Command, SMS AT Command
User Internet Applications Support custom application software
Software Functions
DNS Support
Simple Transparent Transmission mode Support TCP Client /UDP Client
HTTP protocol transmission Support
SMS transparent transmission Support
Heartbeat Package Support
Class RFC2217 Support
Registration Package Mechanism Support custom/ICCID/IMEI registration package


User Manual