Check the listing for details. NanoVNA V2 Plus4 Pro 4G Vector Network Analyzer 50KHz-4GHz VNA Antenna Analyzer. Condition: New. Listed at 168.15 USD. DescriptionNanoVNA V2 Plus4 Pro 4G Vector Network Analyzer VNA 50KHz-4GHz Antenna Analyzer High Dynamic RangeNewly Added Functions:1. Adjustable bandwidth2. It can measure narrow-band devices such as crystal oscillators3. The maximum scan speed is faster than that of the old version. Its default parameter is 0.16 seconds per scan, while the speed of the old version is 0.25 secondsFeatures:- 4" TFT display- 4GHz frequency range- Scanning speed increased by 4 times (400 points/sec)- Up to 90dB dynamic range (1GHz)- Up to 80dB dynamic range (3GHz)- 1024 scanning points (for NanoVNA-QT software)Specifications:- 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 level (after calibration): -50dB (to 1.5GHz); -40dB (to 3GHz)- Scanning rate: 400 points/sec (f ≥140 MHz), 200 points/sec (f