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Knowledge document #3435

Using a smart home device from another manufacturer in the home network

You can also register smart home devices from other manufacturers with your FRITZ!Box, for example motion detectors, door/window contacts, smart switches, smart plugs, roller shutter motors.

The connection between the smart home device and the FRITZ!Box is established using the DECT ULE protocol HAN FUN. This allows you to register all smart home devices with the FRITZ!Box that the manufacturer has declared to be compatible with DECT ULE/HAN FUN.

Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS for the FRITZ!Box.

Requirements / Restrictions

  • Radiator controllers, for example FRITZ!DECT 302, cannot be switched via smart home devices from other manufacturers.

1 Configuring the FRITZ!Box

In the factory settings, the FRITZ!Box is configured for use as an access point. If you changed the FRITZ!Box's DECT settings, configure the following settings:

Note:You can only change the DECT settings if a cordless telephone is registered with the FRITZ!Box.

Disabling "Reduce DECT field strength"

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "DECT" in the "Telephony" menu.
  3. Disable the option "Reduce DECT field strength" in the section "Radio Field Strength".
  4. Click "Apply" to save the settings.

Enabling support for CAT-iq 2.0  

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "DECT" in the "Telephony" menu.
  3. Click "Base Station".
  4. Enable the option "Support for CAT-iq 2.0-compatible devices enabled" in the section "Troubleshooting".
  5. Click "Apply" to save the settings.

2 Registering a smart home device from another manufacturer with the FRITZ!Box

  1. Set the smart home device, for example a motion detector, to registration mode or push the corresponding button to establish a connection. The smart home device is ready to connect.
  2. Click "Smart Home" in the FRITZ!Box user interface.
  3. Click "Device Management" in the "Smart Home" menu.
  4. Click the "Register Device" button. The smart home device connects with the FRITZ!Box and is then displayed in the FRITZ!Box user interface in the "Smart Home" area, for example as "HANFUN#1".
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