PMI Model No. LM-0518-10-1W-SHS-1-F is a high speed, high power, hard diode limiter that operates over the frequency range of 0.5 to 18.0 GHz. This limiter handles 100 Watts Peak Power with a pulse width of 1 µs; insertion loss is less than 2 dB typically and has a VSWR of 2.0:1 maximum. Supplied with removable SMA female connectors in a small housing measuring only 0.5" x 0.5" x 0.22".   https://www.pmi-rf.com/product-details/lm-0518-10-1w-shs-1-f-