The ADB-40KMF-O from Atlantic Microwave is a DC Block with Frequency 10 MHz to 40 GHz, Insertion Loss 0.5 dB, Breakdown Voltage 200 V, VSWR 1.45:1, Operating Temperature -65 to 125 Degree C. Tags: Module with Connectors, Outer DC Block. More details for ADB-40KMF-O can be seen below.