Convert Wlan to LAN

Solution
The device you want is called a client-bridge. A router technical is considered a "server" and can not act as a "client". The box that generally can do all these function has a generic name of "extender" but that term is not used consistently. It would be better to call those devices repeaters but many can disable the extra repeater function and only run as a client-bridge.

You have to be very careful many people confuse the so called bridging a router can do. In most cases a router can only do what would be considered server-bridge but that function is more often called Access Point. It is not common for a router to have the client feature.

Client-bridge equipment used to be very common it was used to add wireless to tv and...

R_1

Expert
Ambassador
yes a bridge.
like a reverse router, instead of taking the wired signal and converting to wifi, it takes wifi and sends it on the wire. most routers can enable bridge mode. see your manual for step by step, the router makers website has/should have forums dedicated to this thing based on model.
 
The device you want is called a client-bridge. A router technical is considered a "server" and can not act as a "client". The box that generally can do all these function has a generic name of "extender" but that term is not used consistently. It would be better to call those devices repeaters but many can disable the extra repeater function and only run as a client-bridge.

You have to be very careful many people confuse the so called bridging a router can do. In most cases a router can only do what would be considered server-bridge but that function is more often called Access Point. It is not common for a router to have the client feature.

Client-bridge equipment used to be very common it was used to add wireless to tv and game consoles that only had ethernet. You can still get them from many companies but the ones I tend to use are from ubiquiti or engenius and are designed for outdoor uses they can be used indoors.

Most people just buy a so called repeater/extender device and either ignore that it is repeating the wireless signals or disable the repeating function.
 
Solution
These are hard to find. It seems that the manufactures only make the so called repeaters, likely there is little difference in cost to manufacture these compared to just the client-bridge.

This is one example but you can find many. Just make sure it has the magic words client-bridge in the description.
https://www.amazon.com/TP-Link-Wireless-Travel-Extender-TL-WR802N/dp/B00TQEX8BO/ref=sr_1_1?s=electronics&ie=UTF8&qid=1502891049&sr=1-1&keywords=TL-WR802N

It is just a example this particular one is mostly used for travel purposes.

I generally use these mostly because I have them laying around
https://www.amazon.com/Ubiquiti-NanoStation-locoM2-2-4GHz-Outdoor/dp/B00DCNRTAG

They likely are more expensive than some other options but I used them outdoors which increases the costs.

In either case you need to also consider what radio frequencies you need. If you need the 5g band or 802.11ac you need to buy models that support that.