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

USB inteace: USB Type-B Display screen: 4 inch TFT (480 x 320) Battery: with 3200mAh lithium battery Port 2 return loss: >= 15dB (to 3GHz), 20dB (to 1.5GHz) Display tracking: 4, marking: 4, setting save: 7