... inputs,8 relay drivable Outputs, 4 Analog inputs, Microphone and Speaker . The GSM Controller RTU5010 with 4 I/O ports, without ... drive electricity <0.2A >>*4 Analog inputs, 0-53mA, 10 precision(RTU5011)>>Reliable performance with built-in double watchdog>> ... GSM Wireless Alarm, GSM Home Alarm System, GSM SMS Alarm, GSM SMS Controller, GSM Home Automation system, Industrial Remote Controller, GPRS ...