![Normalized read range versus power reflection coefficient for different... | Download Scientific Diagram Normalized read range versus power reflection coefficient for different... | Download Scientific Diagram](https://www.researchgate.net/publication/3131048/figure/fig4/AS:349283720155139@1460287136170/Normalized-read-range-versus-power-reflection-coefficient-for-different-tag-antenna-gain.png)
Normalized read range versus power reflection coefficient for different... | Download Scientific Diagram
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![Question: how can someone achieve this kind of coverage? What kind of antenna, dbi need to reach that far from the purple point to the others is about 25 to 30 kilometers? : Question: how can someone achieve this kind of coverage? What kind of antenna, dbi need to reach that far from the purple point to the others is about 25 to 30 kilometers? :](https://preview.redd.it/xgl8e44h6c171.jpg?auto=webp&s=8d893bb499306ac453727ff7848ce570f414cf64)