VNA V2 Plus4 50KHz-4GHz Vector Network Analyzer 4 Inch TFT Shortwave HF VHF UHF 70-90dB With 3200mAh Battery ,Avoid Switching Noise

Measuring frequency range:50kHz-4GHz System dynamic range: 70dB (to 3GHz, after calibration, no averaging) System dynamic range: 80dB (to 3GHz, after calibration, 5x average) System dynamic range: 90dB (to 1GHz, after calibration, 20x average) S11 noise floor (after calibration): -50dB (to 1.5GHz); -40dB (to 3GHz)