The KGZ203 from Clear Microwave, Inc is a DC Block with Frequency 20 MHz to 3 GHz, Insertion Loss 0.25 to 0.35 dB, Breakdown Voltage 100 V, Input Power (Avg) 80 W, VSWR 1.08:1, 1.18:1. Tags: Module with Connectors, Through Hole Mount, Inner DC Block. More details for KGZ203 can be seen below.