The 50T-455 from JFW Industries is an RF Termination that operates from DC to 18 GHz. It can handle an average input power of 1 W, a peak power of 1000 W (pulse width 5 µSec, duty cycle of 0.05%) and has a VSWR of less than 1.20:1. This 50-ohm termination is available in a module with an SMA-male connector.