Improving wireless signal by only changing the adapter?

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13 Jul 2010
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Due to the poor location of my phone socket, my router is on the other side of the house, leaving me with a 2 to 3 bar connection through all the walls.

Now, if I was to buy a really powerful wireless adapter, specifically the Alfa AWUS036H, would I get a better connection?

From what I have found, people seem to get a much better signal strength with a stronger adapter and are able to see more Access Points. What I don't understand is how the signal actually works. I'd imagine in order to receive packets, signals from the Access Point must reach your adapter, and for sending, signals from your adapter must reach the Access Point. But if this is the case, then how can having a stronger adapter mean you can find more Access points (i.e. increase range) as surely identifying an access point is still the work of the signals from that access point and has nothing to do with your adapter?

The only way I can put sense into this is if the signals from the adapter and sent out, and are then somehow sent back to you with the data packets; which sounds impossible.

Could someone please explain how the communication between the Access Point and a wireless adapter actually works, and also if improving just the adapter and not the router, would actually change anything.

Many thanks,
Ashley.
 
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