Sounds like you have some sort of fixed wireless solution.

Sort of. It's not like what you linked. It's a little different. Here's a diagram:



The second wireless card isn't part of a normal installation, I just have it because I'm in a prime location to service more customers and I get a discount for doing it.

The antennas aren't very big, smaller than DBS antennas. The mounting poles are bigger than the antennas.

Also, this diagram shows me going back to the ISP directly, but I'm actually going through another relay point before I reach my ISP.