The LM-0518-10-1W-SHS-1 from Quantic PMI (Planar Monolithics) is a Limiter with Frequency 500 MHz to 18 GHz, Flat Leakage 0.03 W, Flat Leakage 14 dBm, CW Input Power 1 W, CW Input Power 30 dBm. Tags: Module with Connectors. More details for LM-0518-10-1W-SHS-1 can be seen below.