"We use Belden 734D2 cable for DS3 patch panel connections. These cables can be made to length up to 450' long.
BNC Connectors
Dual Coax
Zip cord design PVC jackets. Printing on one leg. "
"Changes a cable with a male F connector into a male BNC connector. This adapter is commonly used to connect different types of audio-video devices together. If you hav e F cables already, this adapter will allow them to be used with video gear which has BNC inputs."