Amazon.com: STEREN Coaxial Cable Splitter - Coax A B Switch - Coax Splitter 2 Way Two Way Splitter - A B Switch - 2 Way Coaxial Cable Splitter - Coax Cable Splitter - 2 Way A/B Slide Switch - 1 Pack 200-310 : Electronics
A/B Coaxial Electromechanical Relay Switch, DC to 1,000 MHz, 5W, 12V, BNC