The KGZ212 from Clear Microwave, Inc is a DC Block with Frequency 20 MHz to 12 GHz, Insertion Loss 0.5 to 0.6 dB, Breakdown Voltage 100 V, Input Power (Avg) 80 W, VSWR 1.20:1, 1.25:1. Tags: Module with Connectors, Through Hole Mount, Inner DC Block. More details for KGZ212 can be seen below.