USR-GPRS232-730

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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.

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

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