Ultra Spectrum Analyzer with 25W Attenuator 4" TFT Display 100kHz to 5.3GHz with 32GB Card Version V0.4.5.1 ,Avoid Switching Noise

IIP3 without LNA:+18dBm (at least 2MHz apart) / 0dBm (500Hz apart) IIP3 with LNA:-8dBm (at least 2MHz apart) <1ppm ( -10 ~ +55) SD card slot: SD card voice out:3.5mm headphone