A Antenna legnépszerűbb értékelése a Banggood-on|Bevásárlás Magyar

25% OFF NanoVNA Vektorhálózat elemző 50KHz - 900MHz Digitális LCD kijelző HF VHF UHF Antenna elemző Álló hullám USB POWER US$56.00 US$75.00 View It

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simonderricutt 30/09/2019

This is an excellent little tool. Mine came with the extended frequency firmware already installed. The calibration loads aren't marked as to whether open, short, or 50 ohms, but they are well-made and it's easy to see which they are. The SMA flying leads are nicely made, looks like RG178 coax, and the USB lead is a useful 1 metre long. You need good eyesight or magnification to read the small text on the menus, but this is after all a nano VNA and the whole thing is very tiny. As soon as you switch it on it will start to scan the antenna, so there's an instant visibility that it's operational. Well worth having even if you're only checking out impedances of RF devices.

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