Various transmission standards are available for data exchange between individual devices that are not connected to each other by cable. In everyday life, the mobile phone standards are particularly common, e.g. E (Edge), 3G or LTE (4G).

In the smart home area, a wide variety of radio protocols are used for data exchange. Data transmission via WLAN, DECT, Z-Wave, ZigBee and ZigBee is particularly popular Bluetooth .

The smart home center Duo from essentials, for example, connects all smart home products based on the Zigbee and Bluetooth radio protocol with the essentials App . You can then use this app to control and program the devices. Operating commands are transmitted from the smartphone via the cloud to the smart home control center and from there distributed to the respective devices. The smart home center is in turn connected to the router via WiFi.