The SML0520 from Fairview Microwave is a Limiter with Frequency 500 MHz to 2 GHz, Flat Leakage 0.03 W, Flat Leakage 16 dBm, Peak Flat Leakage 20 dBm, Peak Flat Leakage 0.1 W. Tags: Module with Connectors, PIN-Schottky Diode. More details for SML0520 can be seen below.