The HP Agilent 43961A RF Impedance Test Kit provides the capability to measure impedance parameters of 1-port devices with the HP Agilent 4395A Option 010 (100 kHz to 500 MHz ) or the 4396B Option 010 ( 100kHz to 1. 8Ghz ). The test port on the HP Agilent 43961A is a 7-mm connector and can be used with the 16191A,16192A, or 16193A test fixures. The HP Agilent 43961A includes open/short/load calibration standards. Test fixtures are optional.