What is the antenna connector used on the UP4? Where can I purchase this connector and adapters?
The UP4 antenna connector is known as an SMA connector. It is a female.
A supplier for SMA connections and adapters is: http://pasternack.com
A right angle female/male SMA adapter is available: Pasternack part: PE9642
A right angle SMA to BNC adapter is available: Pasternack part: PE9074