The LP1-40A from Herotek is a Limiter with Frequency 1 to 40 GHz, Flat Leakage 0.1 W, Flat Leakage 20 dBm, CW Input Power 1 W, CW Input Power 30 dBm. Tags: Module with Connectors, Module with Connectors, Surface Mount, PIN Diode. More details for LP1-40A can be seen below.