Wireless Connection Dropping on MacBook Pro

Hello,
I have been running into an issue with my Macbook Pro dropping wireless connection to Alcatel Wireless access points. It happens when I disconnect AC power and run off of the battery. It usually drops the signal a few minutes after that. I have run all the updates and it still seems to be happening. We can tell when it drops because we are kicked off of a Filemaker remote database. Has anyone else run into this issue?
Thanks!

macsat wrote:
I narrowed down the issue some time ago, but still it haven't been fixed (not even in the 2007.04 wireless update):
http://discussions.apple.com/thread.jspa?messageID=4854252&#4854252
Please beware that Pacifist-based "fixes" like that advocated in the thread in question above have two notable downsides:
1) You will remove certain functional and security fixes from your system.
2) You may break future software updates as your system will be listed as having some software installed that no longer is installed.
I understand the frustration, but if you choose to "fix" your problem in this way, beware it is not without danger and may cause you future issues.

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