dragonlady7 - 1:56 pm on Jul 1, 2003 (gmt 0) I think you can buy extension antennas, though. Are those any good? That could be an alternative.
I have a... one of those. Linksys something or other, with both wired ports and a wireless antenna.
I got a wireless card for my PC so I wouldn't have to string wires across doorways. In my bedroom, about 25 feet from the router, I could only get a 75% link signal. I moved the router from the floor to the top of a tall bookshelf, and there was no difference in the link strength.
I then moved my PC to the living room for repairs (unrelated) and now my PC, about 15 diagonal feet from the router, still only gets about 95% link strength...
I live on the 3rd floor, and I took the laptop down to the building's front porch and couldn't get a strong or consistent enough signal to download an entire webpage. So... I haven't seen much benefit from positioning the router up high. Perhaps someone else has some more scientific data on the topic, however.
I think you can buy extension antennas, though. Are those any good? That could be an alternative.