LoRa Wireless Technology Range

Agricultural field sensors need long range, and we wanted to make sure that LoRa technology meets our requirements.  Our range tests using the FCC approved GlobalTech LoRa modules used in Vinduino show a range of at least 6 miles. We tested in Temecula wine country with one base unit (green dot at top of the map), and  other unit  connected to a GPS receiver on the roof of a car, reporting GPS coordinates and radio signal strength every 10 seconds. The data was imported in Google maps, showing the coverage. Every arrowhead represents a successful connection. See picture below.

Basically, for all the wineries located around the main winery road there is good coverage.  Based this data, we assume that the whole wine region (1300 planted acres) can be covered with a network using only 2-3 gateways. Assuming hourly transmissions per sensor station, we can support up to 300 remote stations per gateway.

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