Vector Network Analyzer 4in Touch Screen HF VHF UHF SWR Antenna Analyzer Test Kit USB Interface Item Type: Vector Network Analyzer Measurement Frequency Range: 50kHz-4.4GHz System Dynamic Range: 70dB (calibrated, f < 3GHz, IFBW=800Hz, 1xAVG) System Dynamic Range: 80dB (calibrated, f < 3GHz, IFBW=160Hz 5xAVG) System Dynamic Range: 90dB (calibrated, f < 1GHz, IFBW=40Hz 20xAVG) S11 Noise Floor: -50dB (to 1.5GHz); -40dB (to 3GHz) (calibrated) Scan Rate: 400 points/sec (f ≥ 140 MHz), 200 points/sec (f < 140 MHz) Scan Points (USB): 1-1024 points, adjustable Sweep Points (on The Device): 10-201 points, adjustable Supply Current: 400mA typical, 500mA maximum Battery Capacity: 3200mAh lithium battery (built in battery) Power Supply: USB, 4.6V-5.5V Working Environment Temperature: 0℃-45℃ Port 2 Return Loss: ≥ 15dB (to 3GHz), 20dB (to 1.5GHz) USB Interface: USB Type B RF Port: SMA