The WDCB00250A from Wavelex is a DC Block with Frequency 10 MHz to 25 GHz, Insertion Loss 0.5 dB, Breakdown Voltage 16 V, Input Power (Avg) 2 W, VSWR 1.25:1, 1.50:1. Tags: Module with Connectors, Inner DC Block. More details for WDCB00250A can be seen below.