The LP05018 from Herotek is a Limiter with Frequency 500 MHz to 18 GHz, Flat Leakage 0.1 W, Flat Leakage 20 dBm, CW Input Power 1 W, CW Input Power 30 dBm. Tags: Module with Connectors, Surface Mount, PIN Diode. More details for LP05018 can be seen below.