Hello, how about the subject I need to buy an LTE antenna, I had a 17hv dual LTE yagi. Unfortunately, it was weak, with the antenna or without it was a small difference and at the end it practically does not work, after dismantling it turned out that it has only badges, should there not be any amplifier there? Attached picture. So what new antenna should you choose for lte 1800. The distance is about 4.5 km, there are some trees along the way. Whether to choose: sorensen antenna. http://allegro.pl/antena-lte-sorensen-17dbi-mimo-6m-sr-17pdla-graczy-i6874730950.html ,, do cybertech http://www.cybertech.com.pl/p145,antena-dualna -lte-4g-15dbi-despite-to-zte-mf910-mf971v.html, or maybe another? Please help
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