4.0INCH Display 4.2 Version 1950mAh Battery Vector Network Analyzer HF VHF UHF Antenna Analyzer For S Parameters, Duplexer, Voltage Standing Wave Ratio ,Avoid Switching Noise

Display: 3.95 inch TFT (320 x 480) USB interface: USB type-C communication mode: CDC (serial) Power: USB 5V 200mA, built-in 1950mAh battery, maximum charging current 1A Number of scanning points: 101 (fixed) Display Tracking: 4, Marking: 4, Setting Save: 5