The SCB-050-3F3M-U2 from ERAVANT is a DC Block with Frequency 45 MHz to 26.5 GHz, Insertion Loss 1 dB, Breakdown Voltage 50 V, Return Loss 17 dB, Operating Temperature -40 to 85 Degree C. Tags: Inner DC Block. More details for SCB-050-3F3M-U2 can be seen below.