بررسی تخصصیHP 423AFrequency Range: 10 MHz to 12.4 GHzFrequency Response: ±0.3 dBMaximum SWR: 1.15 (10 MHz to 4 GHz), 1.3 (4 GHz to 12.4 GHz)Low-Level Sensitivity: > 0.5 mV/µWMaximum Operating Input Power: 200 mWTypical Short-Term Maximum Input Power (< 1 minute): 1 WNoise: < 50 µVOutput Polarity: NegativeInput Connector: Type-N MaleOutput Connector: BNC female