The KGZ218 from Clear Microwave, Inc is a DC Block with Frequency 20 MHz to 18 GHz, Insertion Loss 0.65 to 0.75 dB, Breakdown Voltage 100 V, Input Power (Avg) 80 W, VSWR 1.25:1, 1.35:1. Tags: Module with Connectors, Through Hole Mount, Inner DC Block. More details for KGZ218 can be seen below.