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======Baofeng Rubber Ducky======
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Specs:\\
|Manufacturer|Baofeng|
|Type|U-V Antenna|
|Operating frequency|136-174MHz and 400-520MHz|
|Gain|NA|
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This antenna was bundled with my Baofeng UV-82 handheld VHF/UHF handset.\\
As expected it performs... well... See for yourself.\\
{{:bfrd_136mhz-174mhz.png?400|VNA test 136-174MHz}}\\
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This is the test at the first design frequency. As the graph shows, SWR is abominable to say the least.\\
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{{:bfrd_400mhz-520mhz.png?400|VNA test 400-520MHz}}\\
This is the test at the second design frequency. If possible, the SWR is even worse. Let's take a look at the bands that are interesting:\\
{{:bfrd_144mhz-146mhz.png?400|VNA test 144-146MHz}}\\
The 2m band looks crap, but it'll do in a pinch I guess.\\
{{:bfrd_430mhz-440mhz.png?400|VNA test 430-440MHz}}\\
The 70cm band is even worse... But hey, it was free with the handset right?\\
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Conclusion: Crap piece of antenna. Only use when absolutely necessary.