Re: time for an upgrade?
Most likely cause (imho) - channels.
Around me, there's about 5 or 6 APs. Most of them are showing strong signal, BUT, they're all on channel 11 or 6. They'll see packet dropouts, and other random things. I, however, have my AP on channel 9, which nobody else is using. I get full-tilt throughput, and my network is all B/G.
It's quite often something really simple. I get full signal all over the house too, up and downstairs. Another simple thing you can do, is make sure the aerial is pointing the right way; the signal radiates out the sides mostly - top and bottom, you don't get a lot of signal. So if you have your AP downstairs, and you are upstairs, say, you need to tilt the aerial so the signal is thrown up more. Diverse antenna are good for that as you can have one sitting vertical, to cover the area where the AP is, and another at say 45 degrees to give coverage up and down. Mine is at about 45 degrees, so it covers the living room and dining room, as well as upstairs. It improved the signal all over the house when I did that!
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