The 31-70008 is a RF Connector, BNC series, BNC straight Crimp Plug with gold-plated brass contacts and crimp contact termination. Body made up of brass with nickel-plated finish and PTFE insulator. The BNC is a bayonet style connector allowing for quick connect and disconnect with a positive locking mechanism. Mating is achieved with just a quarter turn of the coupling nut. The 75ohm BNC connector to meet the needs for higher performance impedance-matched cable interconnection. This connectors can be used in a variety of applications where true 75ohm performance is needed to low signal distortion. This RF connector is designed for Belden 8241, Belden 8263, Belden 8279, Belden 9209, RG-140, RG-210, RG-59, RG-59B and RG-62 cable.