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? :
Getting the right antenna for your RAK or Nebra Helium Hotspot Miner – Rokland
Amazon.com: 8dBi Indoor 915MHZ Magnet Base Long-Range Cellular LoRa Gateway Antenna with 3M/10FT Cable for Helium Hotspot RAK MNTD Nebra Bobcat 300 SenseCAP M1 SyncroB.it Hotspot Finestra HNT Miner, Eifagur : Electronics
High-performance LoRa® antenna made for RAK Hotspot V2 and RAK2287 – RAKwireless Store
Coverage of my gateway - Hardware - The Things Network
8dBi Long-Range LoRa Gateway 915MHz Antenna for Helium RAK Hotspot HNT Miner USA | eBay