Cable speed slow on MacBook

Question

I bought a Time Capsule in March and all worked well at first. I was streaming from iTunes lib on Time Capsule (TC) to my MacBook and on to a 802.11g AP Express via AirTunes. No problems for a month or so.
Then streaming became very inconsistent. Opening/transferring files from TC became unbearably slow (eg: estimating 248 hours for 48 MB! When I first put my library onto TC 48GB went across wirelessly in about 5 hours which seems reasonable.) Now streaming stereo audio or video works but only just - it often cuts out mid-song.
However, my internet cable speed is slower on my MacBook than on my Mac mini. I have 2MB broadband but the speed tester consistently shows only 500k on the MacBook and the expected 2GB on the mini.
Any ideas? I've heard that 10.5.3 will address a lot of Airport issues but I'm still waiting for it. Anyone know when it'll be out?
Thanks

Answer 1

if you use the iplate you must have extension sockets in your homeso have you tried removing the bellwire on terminal 3 from all sockets and see if that helps - you can then stop using iplate
bellwire removal
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