Product description Directional Bridge, 10 Mhz to 26.5 GHz; 50 Ohms; 3.5 mm (f) Agilent 85027 series directional bridges (AC/DC) The 85027 series directional bridges are designed to operate with either the 8757 in AC or DC detection modes or with the 8756 or 8755 in AC detection mode. These bridges offer high directivity, excellent test port match, and a measurement range of u..