According to Brian Morris at NetSpeed, Motorola Canopy equipment is being used at 5.4Ghz and 5.7/5.8Ghz.
The antennas used by the ISP and at the customer end appear to be the same, and about the size of a wine bottle. The antenna has to be installed outside the home at a high point by a technician. Ethernet cable is then run inside the house. Connection locally via Wi-Fi would seem technically possible, but is not mentioned in the documentation.
Motorola Canopy is a point-to-multipoint wireless networking system designed for WISPs (wireless internet service providers) based on a star network topology.
Canopy relies on a central access point (AP) placed on a hilltop or tower. These APs usually have 6 panels, allowing for omni-directional coverage of an area. Customers of the system receive service through subscriber modules (SMs) aimed towards the AP. The SMs must be mounted on a tall point of a building to get a reliable connection, else ground clutter will weaken the signal. Under ideal circumstances, no further equipment is required to receive service within a 3.5 mile radius of the AP ...
From: Motorola Canopy, Wikipedia, 16 April 2007