The Agilent 85133E is a 97 cm (38 in) long flexible cable with a 2.4 mm female2 to PSC-2.4 mm female connector. Cable frequency range is DC to 50 GHz with a return loss of 12.5 dB or better. Insertion loss is 0.58 * sqrt (f) + 0.35 for the test port connector and 4.45 dB at maximum frequency for the device connector. Phase stability of semi-rigid/flexible cables is specified with a 90 degree bend using a 4 to 3 inch radius. Stability of the Agilent 85133E is less than 0.25 dB and phase is 0.16*f + 0.8, where f is frequency in GHz.