The king pigeon s serial gsm gprs rtu telemetry data logger equipped siemens mc55i quad-band gprs module inside, is a low cost, m2m, data logger, universal gsm gprs engine which can transmit and receive analog, digital and pulse counter data, plc, varity metering equipments to any device connected to the gsm/gprs network such as mobile phones, web sites, monitoring center, control room, scada, etc.