The LM-1G18G-16-4W-SMF from PMI is a coaxial Limiter that operates from 1 to 18 GHz. It can handle 4 watts of CW power with a leakage of less than 40 mW and recovery time of below 250 ns. The limiter has a maximum insertion loss of 2.3 dB at -10 dBm input power, with a maximum VSWR of 2.0:1. It is available in a module that measures 22.86 x 9.65 x 9.65 mm with SMA connectors.
