The SCB-050-KFKM-U6 from ERAVANT is a DC Block with Frequency 30 MHz to 40 GHz, Insertion Loss 0.6 dB, Breakdown Voltage 50 V, Return Loss 18 to 21 dB, Operating Temperature -40 to 85 Degree C. Tags: Inner DC Block. More details for SCB-050-KFKM-U6 can be seen below.