KC, In the PacificNorthwest and in Northern California, the majority of PUD and municipalities have access to a fiber backbone that is typically used for municipal services. Some PUDs provide the fiber to "retail WiSPs" in their area and it depends on their charter; and may offer interested parties the ability to lease bandwidth off their fiber system for a "retail WiSP". Some call this "wholesale service". There are also the "commercial carriers" such as SBC (ATT) who historically offered rental or lease of their fiber or T1 lines in fractional or whole percentage. This is where the monthly cost is incurred in the building of a WiSP. What are the monthly access fees to get to fiber? is the question. Depends on the region and priority.
Anyway, if you have access to such backbones, then you need a fiber-ethernet connection box, access points, and subscriber modules. For the Motorola Access Point, each Aceess Point can provide IP to 200 subscribers per Access Point (200 of your buddies off one Access Point!)at one time! (line of sight). Rick is right that the original backaul had much to be deisred; and Motorola's partnership with Orthagon is a win-win for customers. As a result you can get a Wireless Line of Sight backhaul up to 300 mbs! Much similar to "fiber in the air".
To be fair, there are other vendors and equipment manufacturers. Just do a Yahoo or Google search on "wireless access point equipment" and you will get several hits.
For me it would be a neat project for high schoolers to install a campus WiSP. If you have access to towers or high points and a fairly good line of sight geographic topology; with budget set aside, you are in a fairly good position.
But remember for commercial level services that a WiSP service requires O&M, uptake, network management, sales, service, customer service, and on-going investement in your system architecture. If not then you would see a lot more people invovled in this areas. The good news is that much Wireless equipment is now available.
In Eastern Washington near Spokane there was a supplier WiFi equipment supplier called ViaVato that recently went belly up. Viavato supplied the WiFi equipment for several WiFi projects in the areas. Demonstrates the business risk and planning needed.
Over the Christmas Holidays, I was involved in the installation of several subscribers for a Wireless IP services provider (WiSP) in the rural foothills of northern California (gold country). I had a great time and was interesting to see comparison of WLAN vs satellite vs DSL for engineers who do VPN on remote offices. the WLAN services offered by the WiSP quickly accepted by the customers. However, it did take about 2 hours per house because you have to make sure the "subscriber module" is appropriately located and installed; then pul the ethernet cable thorugh the wall, then hook up power over the ethernet (POE) connection, and test the system. I can see why the hybrid BPL is both more convenient and less intrusive into the users home.
Good luck to you KC.
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