From Telegartner, a range of 50 Ω and 75 Ω BNC straight clamp bulkhead jacks. The BNC bulkhead jacks have gold plated beryllium copper contacts and a PTFE insulator. Featuring a simple bayonet coupling mechanism connector can be used up to 4 GHz. Requiring only a quarter turn to connect and disconnect this connection method makes the BNC connector one of the most versatile connectors on the market today.