The GSM 3G M2M RTU is a multi I/O port remote terminal unit. It is special for BTS monitoring, remote data acquisition, telemetrically, BTS access control and other applications. It supports voice communication, SMS, GPRS, 3G communications.
Mainly Features:

1. ARM® Cortex™-M4 32 Bit RISC Core, 168 MHz inside, RTOS system;

2. Widely Rated voltage range, 9~36VDC, Inbuilt large capacity rechargeable backup battery;

3. Large internal memory for save 1000 historical data, USB port for configuration and upgrade firmware;

4. 4 analog inputs, 12bits, supports 0-5V, 0-20mA, 4-20mA;

5. 4 Relay outputs, 5A/30VDC,5A/250VAC;

6. 4 digital inputs, dry contact or level input. One of the input can be used as counter;

7. 1 temperature probe input, 1 humidity transducer input;

8. 2 IP data centers, supports Modbus TCP,TCP/IP protocol over GPRS/3G network;