I use a mixture of Belkin and Linksys kit on the 11 Mbps standard with no problems anywhere in my house or on any other installs I`ve done. Speed stays high even with a less than perfect connection indicated. I was looking forward to trying the 54G kit but this does not sound very promising. Have you any big interference sources nearby? I really can`t see that it can be working properly if its dropping to 1 Mbps over just 20 ft. Is there any way you can set it to force only high speed connection and then try? Maybe the auto speed reduction for poor signal is a bit too sensitive.