N5448B Keysight Coaxial Cable NewFeatures: 2. 92 mm (m) to 2. 92 mm (m) >40 GHz bandwidth ( 3 dB) Skew error matched to <5 psec Cable length: 25 cm Strain relieved S parameter supplied by Keysight The N5448B is low loss, phase matched, flexible coax cable assemblies with 25 cm cable length and 2. 92 mm male connectors on both ends, providing extended cable length to the compatible Keysight test fixtures, InfiniiMax 2. 92 mm heads and other RF microwave test instruments.