Model LM-0518-10-1W-SHS-2-M-1218 is a high-power limiter that operates from 12.0 to 18.0 GHz. This limiter handles 100 Watts Peak Power with a pulse width of 1 µs with an insertion loss of 1.5 dB typical and has a VSWR of 2.0:1 maximum. This limiter has a small housing measuring only 1.0" x 1.0" x 0.4" with SMA connectors.  https://www.pmi-rf.com/product-details/lm-0518-10-1w-shs-2-m-1218-