Additional Features: Frequency: 3 Hz to 50 GHz, External Mixers to 325 GHz Maximum Analysis Bandwidth: 80 MHz Bandwidth Options: 10 standard, 40, 80 MHz DANL @1 GHz: -168 dBm Phase Noise @1 GHz (10 kHz offset): -118 dBc/Hz Phase Noise @1 GHz (1 MHz offset): -147 dBc/Hz Overall Amplitude Accuracy: ±0.19 dB TOI @1 GHz (3rd Order Intercept): +20 dBm Maximum Dynamic Range 3rd Order @1 GHz: 116 dB Standard Attenuator Range: 70 dB Standard Attenuator Step: 2 dB The Agilent E4448A offers high-performance spectrum analysis, up to 50 GHz, with powerful one-button measurements, a versatile feature set, and a leading-edge combination of flexibility, speed, accuracy, and dynamic range.  From millimeter wave and phase noise measurements to spur searches and modulation analysis, the PSA Series offers unique and comprehensive high-performance solutions to R&D and manufacturing engineers in cellular and emerging wireless communications, aerospace, and defense.