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April 24, 2020 Features of USRIOT's Cellular Serial Modems

Cellular Serial Modems

Use 2G/3G/4G to realize bi-directional transparent transmission between industrial serial device and remote

server under no internet environment.


Features of USRIOT's Cellular Serial Modems 

Transparent transmission: Transparent transmission after simple configuration

Configuration method:Serial command or network command or SMS command

APN modification: Supports to modify APN to apply to different operators.

cellular serial modem


Features of USR-GPRS-730

RS232/RS485 ports, not use simultaneously

Power supply: 9~36V

GSM/GPRS band: 850/900/1800/1900Mhz

Work Mode:TCP/UDP Client



Features of 4G LTE Modem USR-G781

2G/3G/4G LTE 4G serial data transmit unit

Power: 9-36V

Work Mode: TCP/UDP client, TCP server

ARM 9 core processor

Supports VPN Client, static routing

Integrated hardware and software watchdog timer

Support American AT&T/European/Austrian version

4G LTE Modem USR-G781

Industrial loT Gateways Ranked First in China by Online Sales for Seven Consecutive Years **Data from China's Industrial IoT Gateways Market Research in 2023 by Frost & Sullivan
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