The SCB-050-KMKF-U2 from ERAVANT is a DC Block with Frequency 10 MHz to 40 GHz, Insertion Loss 1 dB, Breakdown Voltage 50 V, Return Loss 20 dB, Operating Temperature -40 to 85 Degree C. Tags: Connectorized. More details for SCB-050-KMKF-U2 can be seen below.