Iono MKR I/O Module Sfera Labs Iono MKR I/O Module combines the ease of use of the Arduino platform with multiple input and output interfaces. The Arduino platform's power is integrated with WiFi, BLE, GSM, NB-IoT, LoRa, and SigFox connectivity in an industrial suite. The Iono MKR module is rugged, safe, reliable, easy to connect, and suited for installation both in industrial and residential environments. This module features 4x multi-mode inputs, 2x digital inputs, 4x power-relay outputs, reverse polarity protection, Electro-static Discharge (ESD) protection, and an optional earthquake sensor module. The Iono MKR can be employed for professional applications where extreme reliability, ruggedness, and compliance with technical and safety directives are required.