NAV III Question

[Walnetto]

What is the connector on the back of the Motorad above the data port?
It is round, has a white center with a thin hollow copper center inside the white part

[Hilton]

External Aerial connection. ( I Think )

[bonafidebob]

It is round, has a white center with a thin hollow copper center inside the white part
That's a coaxial cable plug for an external GPS antenna, shouldn't need one for motorcycle mounting, but you might in a car or boat if the unit can't see the sky. (The traffic receivers connect to the USB port.)