RS485 modem USR-GPRS232-734

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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 USR-GPRS232-734 is a new industrial gsm modem which developed by USR IOT in 2016. Maturation software functions, covering mostly conventional application scenarios. Users 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. industrial gsm modem USR-GPRS232-734 use DC power supply and terminal power supply, supporting 5.0V~36.0V wide voltage power supply. RS485 circuit using electrical isolation scheme, has anti-interference ability, suitable for strong electromagnetic interference environment, such as utility industry.   Features of RS485 GPRS Modems USR-GPRS232-734 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 httpsD mode Support basic instruction set and extension instruction set