The Apple Airport may be a way to do this as well. It's data rate is 11mbps, and it has a 150ft range. It will talk to other 802.11HR standard devices. One minor problem, it requires a Mac to configue. Some people are working on figuring out the SNMP interface it uses, and I have an SNMP program that allows me to configure a few things without a Mac.

For me, I would need to figure a way to make the Airport not a base station, and instead just a link to my existing Airport network.

The cost used to be $200, but recently I noticed it jumped to $300. The PCMCIA 3Com card I bought for $157 for my laptop, and I'm sure PCI cards are around that price.

My empeg site is:http://24.236.3.131/empeg/