If you've been following my blog, you'll know that I've been doing WiFi projects for fun and profits (here, here, here, here). While I'm more into web development nowadays, I still have some the equipments at home, which I believe is still good for few more projects.
These equipments are high-powered, which if based on the following path loss calculator, could deliver 54Mbps speed even for a distance of 1000km.
Realistically, it'll be hard to achieve that speed with that distance (due to some factors of course), but if your requirement is a lot less than that, I can help you achieve it.
If you are interested in playing with these wireless equipments, or have some projects that could make good use of them, please let me know. It could think the following (but not limited to) uses of them;
p/s: The Single Board Computers are by itself interesting, because apart from to be used as Wireless Router/Access Point, with 4 mini-pci ports, 2 ethernet ports, 1 CF Card slot, and Linux installed, the possibility is just endless.