PMI Model No. LM-0518-10-1W-SHS-2-FM is a high power limiter that operates from 500MHz to 18 GHz. This limiter handles 100 Watts Peak Power with a pulse width of 1usec. The insertion loss is only 1.5 dB typically and has a VSWR of 2.0:1 maximum. This limiter is supplied in a small housing measuring only 1.0" x 1.0" x 0.4".