The 480-12 from MECA is a 7/16 DIN Female Coaxial termination. It operates from DC to 4 GHz and can handle up to 50 Watts of avg. power and 5000 W of peak power. It has a VSWR of 1.10:1 up to 2 GHz and 1.2:1 from 2 to 4 GHz. The termination has a length of 5.93 inches, a diameter of 1.63 inches and has brass nickel plated connectors.