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fcgda 20/11/2020
Arrived fast and without any issues (from CZ to Europe) in less than a week. Product works fine, it came with May 1 firmware, and I've upgraded to latest Nano-VNA firmware without any issue. Nanovna-QT and Nanovna-saver worked out of the box with the latest firmware. Regarding results, since I have nothing to compare against the obtained results, it seems ok . Tested several 868Mhz antennas, and most of them hit the announced frequency, while others where sub-par. Notice that for meaningful results we must calibrate with the provided open/short/load an thru cable, otherwise it won't work. Case is solid, and the device is a bit for the heavy side. Display is great for it's size of 3.2, much better than previous 2.4 versions. Touch also works ok. The only drawbacks are: The case full closes the device so, it is a bit hard to see the bottom four leds that show the battery charge. All leds lit is 100%, the most left off, and others lit, is 75%, 2 off, 50%, and just one lit the battery is at 25% Also it seems for a specified battery of 1950mAh capacity, the device only is able to work with the battery for around 15/25 minutes, which for a claimed large capacity battery seems a bit of a let down. Didn't open it yet to confirm the battery capacity, but real capacity is overly optimistic I think. Charging takes around 1h/1h30 to have all leds fully lit. Provided items that where described where included, only possible a stylus could also be offered, since handling the screen with a finger is a bit complicated.
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