E7770A
Common Interface Unit
The Keysight E7770A common interface unit (CIU) provides a bidirectional intermediate frequency (IF) interface to the device under test.
16494A
Low Leakage Triaxial Cable (0.4m / 0.8m / 1.5m / 3m / 4m)
16494A is suitable for low current applications down to the sub fA level. It supports a maximum voltage/current of 200 V / 1A DC.