The KSL0520 from KRYTAR is a Limiter with Frequency 500 MHz to 2 GHz, CW Flat Leakage 16 dBm, CW Flat Leakage 0.03 W, Flat Leakage 0.03 W, Flat Leakage 16 dBm. Tags: Module with Connectors, PIN-Schottky Diode. More details for KSL0520 can be seen below.