Feature:1. Multi Purpose: NanoVNA V2 vector internet analyzer can test the standing wave and impedance of the antenna, and can also debug the duplexer, the insertion loss of the filter, isolation, etc. 2. Test Magnification: HF VHF UHF spectrum analyzer can also test the magnification of the antenna amplifier, and has a frequency meter function. 3. Wide Measurement Range: The S-A-A-2 antenna analyzer has a wide measurement range and can measure frequencies from 50kHz to 3GHz. 4. 3.2inch Large Screen Display: Shortwave spectrum analyzer has a 3.2‑inch TFT large screen display, which is convenient for reading. 5. Dynamic Range: System dynamic range (after calibration) 70dB (50k to 1.5GHz); 60dB (to 3GHz). Specification: Item Type: VNA V2 Vector Internet Analyzer Material: Aluminum Alloy Meas