The SML-1840-01-18-K from Fairview Microwave is a Limiter with Frequency 18 to 40 GHz, CW Flat Leakage 12 to 18 dBm, CW Flat Leakage 0.015 to 0.063 W, CW Input Power 1 W, CW Input Power 30 dBm. Tags: Module with Connectors. More details for SML-1840-01-18-K can be seen below.