Choosing a WiFi Extender with Ethernet Plug for Wired Devices

It can connect a wired-only device to the network through the extender’s WiFi link. Depending on the model, the port may also support access point mode when the extender is connected to the router by Ethernet.

Yes, if the extender has an Ethernet port and supports bridging a wired client. Connect the device with an Ethernet cable, then follow the model’s setup instructions.

It provides a wired connection between the extender and the connected device, but does not by itself improve the extender’s link to the router. Check the port rating and wireless capability together.

They describe different maximum link rates for the Ethernet port. A Gigabit port has a higher rated wired link ceiling; real-world throughput also depends on the extender, router, client and network conditions.