The STL410 from Crane Aerospace & Electronics is a Limiter with Frequency 350 to 500 MHz, CW Flat Leakage 20 dBm, CW Flat Leakage 0.1 W, Flat Leakage 1 W, Flat Leakage 17 to 30 dBm. Tags: Module with Connectors, Surface Mount. More details for STL410 can be seen below.