The DCZM24F24 from Marki Microwave is a DC Block that operates from 4 kHz to 50 GHz. It can handle up to 1 W of input power and has an insertion loss of less than 1.25 dB. The DC block has a voltage rating of 16 V and a rise time of 6 ps. It is available in a module that measures 17.8 (W) x 7.9 (H) mm with 2.40 mm (male and female) connectors.