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Can the FRITZ!Box be used as a wireless repeater?

You can set up a FRITZ!Box as a wireless repeater if you use an additional FRITZ!Box as the router. However, it cannot be used as a wireless repeater with a router from another manufacturer because the manufacturer-independent WDS (Wireless Distribution System) method is obsolete and not supported by the FRITZ!Box.

If you want to extend the Wi-Fi range of a router from another manufacturer, you can use a FRITZ!Repeater. FRITZ!Repeaters behave towards wireless routers like conventional wireless devices and can therefore be used with all standard routers.