2.8" Display Spectrum Analyzer ULTRA 4" Display 100kHz to 5.3GHz with 32GB Card Version V0.4.5.1 ,Avoid Switching Noise

* Absolute power level accuracy after power level calibration of +/- 1dB * Lowest discernible signal using a resolution bandwidth of 30kHz of -102dBm * Frequency accuracy equal to the selected resolution bandwidth * Phase noise of -90dB/Hz at 100kHz offset and -115dB/Hz at 1MHz offset * Spur free dynamic range when using a 30kHz resolution bandwidth of 70dB