... (Short Message Service) Or GPRS. Another, it can transmit data from apparatus (thermometer, humidity meter, electric meter, flowmeter, PLC) to ... t work. 4 daily timer and 7 Weekly Timers. A Relay with dialling-in remote control. Up to 4 tel. numbers ... varity data(E.g.: Pressure, Level, Current, Voltage, digital input status, pulse counter, digital relay output status, temperature value, humidity value ...