We offer modbus IO modules that cover all the Digital and Analogues IO inputs such as dry contact, wet contact, 4-20mA, Voltage 0-10V input , thermocouple, RTD temperature sensors inputs. Wireless IO modules are also available. Lora Wireless sensor devices with GPS tracking, Smoke detection, Temperature and Humidity sensors that provide the integration with the Lora IoT gateway available.  logger device with modbus interface over WIFI that cover CO, CO2, temperature, humidity are also available.