The DB-PC1PC25A-26.5G50V/9XX from Rosnol is a DC Block with Frequency 10 MHz to 26.5 GHz, Insertion Loss 0.9 dB, Breakdown Voltage 50 V, VSWR 1.33:1, Return Loss 17 dB. Tags: Connectorized, Inner DC Block. More details for DB-PC1PC25A-26.5G50V/9XX can be seen below.