The gateway is the interface between one or more wireless room thermostats and an internet-enabled smartphone or tablet. This interface allows the infrared heating to be controlled with the free Tydom app (iOS, Android), both inside and outside the building. Operating voltage 100 - 240 VAC 50-60Hz, protection class IP30, Ethernet connection: RJ45 plug, WLAN connection not possible. Gateway suitable for controlling 32 heating zones.