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LoRa Communication Between Raspberry Pis

If i say a raspberry pi 3 all the pinout are unavailable, to communicate with another RPI using lora,
what type of module should i buy.
i saw one called rangePi, should i buy two of them or buy another mdule to communicate with the other rpi!

  1. umeshlokhande#0000

    I would prefer something like <https://ozrobotics.com/shop/usb-to-lora-dongle-portable-usb-dongle-for-lora-technology-sx1268-module/> since it can connect directly to a Raspberry Pi 3 via the USB port. To establish communication with the Raspberry Pi, all that’s needed is a Python script that uses the serial interface. While I haven’t done this specifically with LoRa, I do have experience doing the same with XBee S2C modules

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