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I replaced the airport card in my A1811 MacBook with a MacBook Pro several years ago and have not had the range or especially speed tha t was expected - virtually no improvement over the orginal card. The card is supposedly Apple # MA688Z/B. Is there firmware/ software or an antenna wiring problem. Is this the same card that you are selling for the update the Core Duo?
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Did you update the base station also? You won't see n speeds without an n base station. Ralph
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maybe its not your computer but the wifi base stations you connect to?
or something upstream?
your antenna could be part od the problem too.
this is a brad question - can only elicit a general answer
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I have updated the base station - airport extreme to the latest software / firmware. I feel it is related to the antenna as the closer I get to the base station the faster it gets. When I am over 30 feet it is very slow. My new MacBook works very well this distance. Could I have hooked the antenna wires up backwards or do I need different antennas?
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your ld antenna may not be working well with the frequencies used in 'n'
IIRC we have 2 bands of frequency used in WiFi - so your suspicion could be correct
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I have susequently reversed the antenna wires at the (802.11n) airport card within the MacBook and now have satisfactory speed at 60+ feet.
by minicoopers