1.Wide working voltage, support 9-36V DC power supply, with anti-reverse protection design;
2. Built-in industrial grade ARM® CortexTM core, high performance, stable and reliable;
3. Quad band 850/900/1800/1900Mhz GSM GPRS Module inside.
4. 3G/4G/NB-IoT Modules are optional;
5. Modular design, can easily upgrade the cellular module if network upgrade;
6.Support 1 channel relay output for restart the devices;
7.Supports 1 channel RJ45 Ethernet port, built-in isolation transformer, up to 2KV electromagnetic isolation;
8.Up to 10 user's phone number to receive alarm and daily report SMS/Call;
9. Support monitoring power supply status and max. 7 network devices monitoring simultaneously;
10. Built-in TCP/IP protocol stack, support transparent transmission and Modbus RTU to Modbus TCP Protocol;
11.Inbuilt large capacity automatically rechargeable backup battery;
12.  Industrial class design suitable for long time work applications;
13.  Support configure parameters, load profiles and upgrade the firmware via PC;
14.  Wall mount or 35mm standard DIN rail Design, convenient installation,
15.  Metallic cover, small size, exterior dimension is L70*W88*H30mm.