The PE8023 from Pasternack Enterprises Inc is a Limiter with Frequency 4 to 8 GHz, Flat Leakage 0.03 W, Flat Leakage 16 dBm, Peak Flat Leakage 23 dBm, Peak Flat Leakage 0.19 W. Tags: Module with Connectors, PIN-PIN Diode. More details for PE8023 can be seen below.