AIO-84PT provides 4 Analog Input (AI) ports and 4 PT100 ports. Each AI port can measure 0 ~ 20 mA or 4 ~ 20mA currents. Each PT100 port can measure temperature from -220 C ~ 850 C. AI port is used to interface with 3rd party sensors/detectors: (1) Temperature and Humidity, (2) Flame proof H2 gas detector, (3) Flame proof O2 gas detector, (4) Flame proof CO gas detector, etc. PT100 port is used to measure temperature. 

AIO-84PT can transmit the data analog data values using (1) MQTT/WiFi, (2) WiFi and (3) LoRa techniques. Method (1) sends MQTT messages to the remote MQTT broker directly. Methods (2) requires MQTT server and method (3) requires LoRa MQTT Gateway to relay the received messages to the MQTT Server. Messages processed in the MQTT Server can be displayed in the remote PC monitor via a private VPN link.