The TDCBSFSF from Talent Microwave Inc is a DC Block with Frequency 5 MHz to 18 GHz, Insertion Loss 0.8 dB, Breakdown Voltage 50 V, VSWR 1.20:1, Operating Temperature -55 to 165 Degree C. Tags: Connectorized, Inner DC Block. More details for TDCBSFSF can be seen below.