Strictly speaking, the guys are right about the choke point. You DO have an 11 Mbps link between your card and the router but there's only DSL bandwidth coming over that link. Getting a 54 Mbps link won't help you, you'll have a faster link between the card and the router but you will still only have DSL speed.
Another but...even if you had a high-bandwidth backhaul, your setup wouldn't work. I looked up your router and it's only a 802.11b router, which is 11 Mbps. Your card must be a 802.11g card but it hasn't got anything to connect to. Most 'g' cards will also connect via 'b' so this is what you get because that's all the 'b' router has to give.
If you are using a single computer, the 54 Mbps link might help if you are at distance, depending on the distance and inteference on the link. A 'g' link will not travel as far as a 'b' link but if there is any interference, you might be able to connect in the backyard, for example, with the 'g', whereas the 'b' might slow down to less than the DSL speed. This is only theoretical and depends on many variables. But interference and distance definitely affect the speed of the connection.
Bottom line is: if you want a 54 Mbps link between your 'g' card and the router, you have to get a 'g' router...and it probably won't do you a bit of good...you'll still be stuck with DSL speeds!
zeroth
zeroth
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