The Agilent N9399C DC block offers a new level of DC blocking with performance specified from 700 kHz to 26.5 GHz. This DC block features a broad frequency range, excellent return loss, very low insertion loss and excellent temperature stability. Frequency range 700 kHz to 26.5 GHz...Low insertion loss < 1.2 dB...50 V maximum DC working voltage....3.5 mm precision coaxial connectors.