![]() 3.) Soldered it straigt to the Bluetooth chip 4. 1.) Located the tiny chip antenna, soldered it away 2.) Found an old wifi AP and took the antenna and internal coaxial from it. If you're new to what a VMA is or does, I recommend you study up on that first as the user's guide is a little vague and assumes you have used one before. The miniVNA Pro was the first to check out. Just got back from Dayton Hamvention a few days ago and unpacked my treasures. which I did last night and my first tests today show I can measure at a distance of at least 100m when there is line of sight! The new miniVNA Pro with the SMA connectors Time Owned: 0 to 3 months. However this bugged me for a few weeks until I opened the miniVNA PRO last night to look inside, found the tiniest of tiny chip antenna and decided that I will put a bigger antenna on the device. When I put the antenna at 20m height it was no longer possible to measure with my laptop, it worked with an external bluetooth dongle wich obviously had better RX/TX thanthe built in module in the laptop. However, my first trials was very dissapointing. easier to just put the miniVNA in the feedpoint and measure via Bluetooth on the ground. ![]() I already had the old original miniVNA but it was bugging me I could not do a real OSL calibration to null out the measuring cables and also I was curious to use the Bluetooth functions since struggeling with 1/2 wave measuring cables is a big mess sometimes. It communicates with the unit via USB (which also powers the unit). This summer I bought a new miniVNA PRO for making various antenna measurements. The miniVNA is controlled by software that runs on a PC.
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