![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
![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)
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? :
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Amazon.com: LoRa Gateway Antenna 3dbi Gain Indoor Outdoor Omni-Directional Glass Fiber LoRaWan Antenna N-Male SMA Connect Cable Ultra Distance Transmission 915MHz for Helium Hotspot HNT Miner Mining12 : Electronics
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What is Antenna Gain? Is Higher Antenna Gain Better? - Edge Routers | Cellular Routers & Gateways | IoT Solutions | 5G | InHand Networks
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