Check the listing for details. NanoVNA-F V2 Vector Network Analyzer 50kHz-3GHz HF VHF UHF Antenna Analyzer. Condition: New. Listed at 146.76 USD. Features: 4.3-inch IPS LCD display, resolution 800*480, ultra-wide viewing angle, long-term use does not hurt your eyes. All aluminum alloy case, effectively shielding electromagnetic interference to ensure measurement accuracy. The radios frequency interface is SMA, which is convenient for connecting various tested parts. Full touching screen design, with 3 side buttons at the same time, flexible and convenient operation. Support Chinese and English interface. Optimized UI design, convenient for users to perform measurement operations. Support screen brightness adjustment. The firmware can be upgraded through a virtual U disk, no programmer is needed, and the firmware can be upgraded through the included USB type-c data cable. Standard fine quality calibration parts and RG405 phase-stable cable to ensure calibration accuracy. Designed with USB power output interface, which can support 5V/1A power output. Using 2A high current recharging IC, the recharging time is shorter. Supporting host computers software, the host computers supports Chinese and English interfaces. The screen images of the device can be obtained by taking a screenshot of the host computers. Function: can measure S parameters, voltage standing waves ratio, Smith chart, phase, group delay, etc. Specifications: Material: aluminum alloy(case) Main color: black Battery: 1 * lithium battery, 5000mAh Frequency: 50kHz-3GHz RF output power: -9dBm (error within 1GHz: ±1dB) Frequency accuracy: