The KHS504 from Clear Microwave, Inc is a DC Block with Frequency 0.005 to 4 GHz, Insertion Loss 0.18 to 0.25 dB, Breakdown Voltage 200 V, Input Power (Avg) 100 W, VSWR 1.15:1, 1.25:1. Tags: Module with Connectors. More details for KHS504 can be seen below.