Ubiquiti AirFiber X AF-5G34-S45 Quick Start Manual page 6

5. Attach the other end of the RF Cables to the RF connectors
on the airFiber radio in this combination: +45° to Chain 0
and -45° to Chain 1. Then slide the jackets over the RF
connectors to protect them.
6. Attach the external GPS antenna (included with the airFiber
radio) to the RF connector labeled GPS on the airFiber
radio. Slide the jacket over the RF connector to protect it.
Then place the magnetic external GPS antenna on the Dish
Reflector (this is temporary; you will mount the external
GPS antenna last).
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640-00171-02