How to extend WIFI range at home?

There are loads of ways to try to improve the signal, as working with radio is more luck than anything else. Firstly try a different channel, on most devices you have a choice of 12 channels, could be that the one you are using has lots of interference from neighbours or other electrical stuff in the house. Log into the router and try a few of the other channels.

Then check the positioning of the router, is it in the middle of the house or as near as you can get is and is it highest point in the room. The optimal place for a router is the middle of a house on the top floow, as router radio signals go out in a circle from the unit rather than directional. Then consider replacing the aerials on the device, if it has external aerials you can very cheaply replace these with more powerful directional ones.

Then you could consider upgrading the router to wireless N, if you are running G you will get 54mbps speed and about 100ft workable distance indoors, if you switch to N you double both of those. And no you don't need to replace your g receivers as it is backwards compatible (works with g be as well) but if you use G you still only get the g speed. Then if that fails you could get another router just for the extension, you can put one just near the door where you get a signal and set it to either repeater or bridge to boost the signal.

Oh just so you know where im comming from I live in a 19th century small terrace house, and because of the stone walls have to run two routers myself to get full coverage with both being directional.

Wireless N routers only work with Wireless N devices. If you buy one you might have to buy an N adapter for your brother. ~ Or you could run an Ethernet cable to a mid point (or further) in the house from the existing router and install an Access Point to extend the range.

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I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.