Keysight E4991B Impedance Analyzer, 1 MHz to 500 MHz/1 GHz/3 GHzPlace of Origin Malaysia Warranty 3 years Customized support OEM Brand Name Keysight Model Number E4991B Basic Accuracy 0. 65% DC Bias 0 V to 40 V, 0 A to 100 mA (option 001) Frequency 3 GHz Measurement RF IV method Measurement Range(Accuracy < 10%) 120 m to 52 k Product Description Product appearance: 80% 99% New Functional test: Normal We have 2 units of Keysight E4991B Impedance Analyzer, 1 MHz to 500 MHz 1 GHz 3 GHz. Pictures shown are for