Features: Rated Power Output: 25 watts minimum Input for Rated Output: 1.0 milliwatt maximum Power Output @ 3 dB Compression: Nominal 32 Watts, Minimum 25 watts Power Output @ 1 dB Compression: Nominal 27 watts, Minimum 20 watts Flatness: ±1.5 dB typical/±2.0 dB maximum Frequency Response: 0.8 to 4.2 GHz, Instantaneously Gain (at maximum setting): 44 dB minimum Gain Adjustment Continuous Range: 10 dB minimum (4096 steps remote) Input Impedance: 50 ohms; VSWR 2.0:1 maximum Output Impedance: 50 ohms, nominal Mismatch Tolerance: 100% of rated Power without foldback. Will operate without damage or oscillation with any magnitude and phase of source and load impedance. Modulation Capability: Will faithfully reproduce AM, FM, or pulse Modulation appearing on the input signal Harmonic Distortion: Minus 20 dbc, max at 20 watts Spurious: Minus 73 dbc Typical Phase Linearity: ±1.0 deg/100 MHz, Typical AC Line Power (Selected Automatically): 90-132, 180-264 VAC; 50/60 Hz, Single Phase, 340W Maximum Connectors: Type N female Remote Interface: IEEE-488, RS-232 Safety Interlock: 15 pin Subminiature D Cooling: Forced Air (self contained fans)