Flexible Cable 2.4 mm The Agilent (now Keysight) 85133E is a 97 cm (38 in) long flexible cable with a 2.4 mm female to PSC-2.4 mm female connector. The special rugged female connector is designed specifically for connecting to the network analyzer test port, but does not mate with a standard male connector. Cable frequency range: DC to 50 GHz Return loss: 15 dB or better Insertion loss: 0.446 + 0.017F + 0.456√F for the test port connector 4.52 dB at maximum frequency for the device connector Phase stability of semi-rigid/flexible cables is specified: With a 90 degree bend using a 2.5 inch radius Stability: < 0.15 dB Phase: 0.17°*f + 0.5°, where f is frequency in GHz