Here are some wireless bridge example deployments and recommended products to achieve these setups. Ubiquiti has gone with a semi-confusing naming convention. Units are either configured as a Station or an Access Point. Stations connect to Access Points. They are not to be confused with normal consumer Access Points.
Point To Point (PTP) Wireless Bridge Example
Any of the NanoStation or NanoStation Loco kits will do this setup easily. Just select the kit with 1 Station.
Point To Multi Point (PTMP) 60° Field of View AP
Any of the NanoStation or NanoStation Loco kits will do this setup easily. Just select the kit with 2 or more Stations.
Point To Multi Point (PTMP) Wireless Bridge Example 120° Field of View AP
This setup requires a Ubiquiti wireless bridge kit with a special sector antenna.
Point To Multi Point (PTMP) Wireless Bridge Example 360° Field of View AP
This setup requires a Ubiquiti wireless ethernet bridge kit with a omni directional antenna.