This is a nomad service tool. It allows a quick secure wireless connection of a mobile device to a Schneider device. It brings easy, fast, robust and secure connection. It doesn't overload the network and memorize the past connections. This is a portable, battery powered (2h autonomy, replaceable, universal charging cable USB B micro) dongle you can fix by integrated reinforced magnets. It has a duct to root the cable, easy to take in hand. It is designed in black and green colors and weights 0.134kg (0,295lb). It is for for technician in charge commissioning or maintenance on site. It features dynamic NFC random key.