GPRS I/O Controllers |GSM Remote I/O - USRIOT

GPRS

Industrial Operating Temperature Built-in Webpage Keep-alive
Model Serial Num. Power Supply
4-way Network I/O Controllers | Smart Remote I/O relay
USR-IO424T-GR

RS485 12V~36v
8-way GSM/GPRS network IO controllers | Smart Wireless I/O
USR-IO808-GR