OptoGSM I/O from Opto 22 integrates standard GSM/GPRS mobile networks and proven Opto 22 input/output (I/O) technology to provide a low-cost, flexible solution for remote monitoring and control. Integrated components (purchased separately) include the G4-SE-4A8D I/O rack, Sony Ericsson GT47 or GT48 remote communications unit, and industry-standard Opto 22 G4 digital I/O modules.
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