The DB-5000-S from UMCC is a DC Block with Frequency 10 MHz to 5 GHz, Insertion Loss 0.25 dB, Breakdown Voltage 50 V, Input Power (Avg) 15 W, VSWR 1.25:1, 1.50:1. Tags: Module with Connectors, Inner DC Block. More details for DB-5000-S can be seen below.