When several FRITZ! products are being used in the home network, smartphones, tablets and other wireless devices are automatically steered to the wireless access point with the best Wi-Fi reception and also to the most suitable frequency band. This process is known as Mesh Wi-Fi steering.
> https://en.avm.de/guide/avm-explains-mesh-wi-fi-steering/
No matter whether you have a big apartment, house with several floors, or a garden - mesh with FRITZ! brings fast and stable wireless LAN to every corner of your home. Simply add additional FRITZ! products to your home network, for example FRITZ!WLAN Repeater and FRITZ!Powerline with wireless LAN, and the FRITZ!Box meshes the individual wireless networks to form a large wireless LAN.
> https://en.avm.de/faqs/mesh-with-fritz/
The number of FRITZ products that use Mesh technology to offer powerful Wi-Fi at home has doubled in the space of a year. Mesh Wi-Fi is a system consisting of FRITZ!Box, FRITZ!Repeater or FRITZ!Powerline devices which spans a common Wi-Fi network and provides multiple devices with uninterrupted Wi-Fi and greater coverage at the same time.
> https://en.avm.de/about-avm/press/press-releases/2021/09/mesh-everywhere/