Description: Sensor to Cloud GPRS 3G 4G sensor instrumentation to cloud platform module can quickly and reliably connect sensors and various instrumentation to cloud platform, thus realizing real-time data viewing and transmission, and setting parameters, remote operation and control functions on cloud platform. Wide Application:The module can be used as a complete product, and also supports secondary development as a module. Real-time mode/low-power mode. The diversified functions: analog monitoring, switch monitoring, temperature monitoring, humidity monitoring, RS485 serial port transmission, switch control, etc. Various Optional Communication Modes: GSM, GPRS, 3G, 4G, NB-IoT, LoRa, Ethernet. Can support: 2 protocols( Modbus RTU Over TCP & MQTT ); 10 user numbers; 10 timers, can be set up to restart, report, upload and downline; Built-in clock chip and super capacitor; Use Nano mobile card to support PIN code verification function; Small size PCB than 1/2 card and delicate, waterproof shell. Specification: GPRS 3G/4G Transmits Sensor/Meter signal to cloud platform; Ultra-Low power consumption, small size, easy operation; 2G frequency: 850/900/1800/1900mhz PCBA, Metalical Enclosure, Waterproof Enclosure; Supports DIN/Relay Output/AIN/DS1820/AM2301/RS485; Supports GSM/GPRS/3G/4G/NB-IOT/Lora; Supports Cloud Platform, Modbus TCP, MQTT, SMS, Dial Alert. Note: This Transmits Sensor is NOT Suitable for the countries and areas Where 2G is STOPPED to be used. Size Chart: Material: plastic Size_1(LxWxH):approx. 65mmX45mmX21mm/2.6x1.8x0.8 in Size_2(LxWxH):approx. 65mmX45mmX25mm/2.6x1.8x1.0 in Package Includes: 1 Piece Transmits Sensor Note: Due to the different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in size.