The LM-1M500M-C3-1 from Quantic PMI (Planar Monolithics) is a Limiter with Frequency 1 to 500 MHz, Flat Leakage 0.02 W, Flat Leakage 13.5 dBm, CW Input Power 2 W, CW Input Power 33.01 dBm. Tags: Module with Connectors. More details for LM-1M500M-C3-1 can be seen below.