NanoVNA V2 2.8’’ 3G SAA2 Vector Network Analyzer 10KHz~3GHz Shortwave HF VHF UHF Measure Antenna Duplexer Filter Aluminum Shell Baterry VSWR Phase Delay (vna 3g 2.8)

["Upgraded Functions : Nanovna v2,you can test the standing wave impedance of the antenna, debug the duplexer, the insertion loss of the filter, the isolation, the standing wave, you can also test the attenuation of the cable, shorten the coefficient, the phase, you can also test the amplification of the antenna amplifier","Powerful frequency meter: The improved frequency measurement can measure the antenna frequency of 2.4G up to to 3G. 70dB(50KHz-1.5GHz), 60dB(1.5GHz-3GHz).","Improved Accuracy: NanoVNA SAA-V2 Vector Antenna analyzer equipped with the upgraded shell,Strong anti-interference, improve accuracy.with 2.8 inch touching screen and touch screen pen,make more accurate and easy to operate.","Power Supply: This SAA-V2 has Built-in 2000mAh battery, could work for about 3 hours continuously, if need extra working time, it can be connected to power bank or power source.","Best service: If service needed, feel free to contact us. We will reply within 6 hours"]