GSM Telemetry Unit, 4IO (RTU5010)
Model: RTU5010
Name: GSM Controller (4 I/O Ports)
The GSM Controller RTU5010 is a universal GSM dialer and controller as well as a GSM Remote Control and Alarm Unit. it provides 4 relay drivable outputs(12V-24V), 4 inputs and RS232 Serial Port.... - Update: 2009-11-18