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Airport Extreme Antenna issue?

post #1 of 6
Thread Starter 
Hello,

I just got a new 1.67 GHz PB 15" for my son and after plugging everything in and going through the initial setup program, I discovered that the wireless card couldn't connect with my Linksys access point (WAP11). At the time, I simply plugged in the ethernet cable in his room and continued the setup, downloaded the latest software, and then went back to investigate the wireless problem. It turns out that the signal strength was not high enough for it to connect. In my house, the WAP is in my office in the basement at one end of the house, and my son's bedroom (where we were doing this and where he will use it most of the time) is on the second floor at the other end of the house. However, my other son's Gateway notebook can receive a good signal (about 40%) at the same location and works fine. Once we moved the PB downstairs to the first floor it connected fine, but going back upstairs the signal became too weak. I tried playing around with the two dipole antennas on the WAP, but the best signal I was able to get was about 2-3 bars out of 15, and the internet connection was very slow and flakey. As a result, I had to move the WAP upstairs closer to his bedroom, in a not-so-ideal location.

Does this seem reasonable, or is there something potentially wrong with the PB Airport? Has anyone else noticed a significant difference in signal strength of the PB AP cards vs. other notebooks with built-in wireless radios?

Thanks,
Allen
post #2 of 6
No there is nothing wrong with your airport card. It is just really weak compared to other systems most likely because of the aluminum enclosure. Unfortunately there isn't much you can do except maybe to get a pcmcia wireless card (or move the router closer).
post #3 of 6
Unfortunately, that's about the size of it.

Apple's decision to enclose the entirety of the Powerbook in Aluminum - which is one that I can't fault them for on an aesthetic level - means that they have done something very interesting with the antenna: they have encased it in a Fardaday Cage.

A Faraday Cage, in case you need to know, is a electrical apparatus that prevents anything inside it from sending or recieving electromagnetic waves - which your 802.11b signal (in)conveniently is.

The best solution to this problem is to move the access point closer. Alternatively, you can buy a bridging access point (I think the WAP54 and MAYBE the WAP11 do this) and bridge the connection down to the basement.

Cheers!
post #4 of 6
First, there are antennae on both sides of the Monitor that are outside the enclosure. Second, a faraday cage only works if it's an actual cage with open space in between connecting structures. Solid metal would only serve to enhance the signal like a large antenna.
post #5 of 6
Thread Starter 
OK, sounds like my experience is about par. I did move the WAP closer for now, but it's not in a very "asthetic" location, according to my wife. Perhaps I'll look into one of those repeaters that plug into the wall and move the WAP back down to the basement.

Thanks for the comments.

Allen
post #6 of 6
You "might" get better reception if you can place it on top of a shelf or something.
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