Quantic PMI Model LM-0518-10-1W-SHS-1-M is a high speed, high power limiter that operates from 0.5 to 18.0 GHz. This limiter handles 100 Watts Peak Power with a pulse width of 1 µs. 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 0.5" x 0.5" x 0.22".
Additional Product Information under, http://www.planarmonolithics.com/products/LM-0518-10-1W-SHS-1-M.htm