WiFi extender with Ethernet port
WiFi extender with Ethernet port
These devices are no longer available. You might want to use a standard Ethernet adapter instead of a booster.
It seems like you're referring to a setup where a device connects via Ethernet to a router and also uses wireless connectivity. This allows the device to access the internet through both wired and wireless means.
A Wireless Access Point remains available today. Many wireless extenders and boosters provide this capability, along with certain routers—just check local availability for support.