The main function of the standard firmware is to measure antenna performance. Rugged and durable, effectively shields electromagnetic interference and ensures measurement accuracy. With an 2.8 inch LCD display, it is a DIY product that provides perfect vector network measurement functions. Small and portable, flexible and convenient operation. Easy to use, this project to provide a small but useful tool for RF enthusiasts. Frequency range: 50kHz-3GHz System dynamic range (calibrated): 70dB (up to 1.5GHz), 60dB (up to 3GHz) S11 Noise Floor (Calibrated): -50dB (up to 1.5GHz), -40dB (up to 3GHz) Scanning speed: 100 points/second Display: 2.8 inches, 320 x 240 USB interface: -USB Power supply: USB, maximum charging current 1A Battery: 2000mAh -ion Battery connector: JST-XH 2.54mm Maximum scan points (on device screen): 201 Maximum scan points (USB): 1024 Port 2 return loss (1.5GHz): 20dB typ Port 2 return loss (3GHz): 13dB MIN VNA-QT Material: Metal colour: black Package Contents: 1 x host 1 x SMA Simple Calibration Kit OPEN 1 x SMA Simple Calibration Set SHORT 1 x SMA simple calibration set LOAD 1 x SMA female to female connector 1 x USB data cable 2 x RF cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.