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LoRa is a modern modulation to transmit small chunks of data over long distances. A growing amount of sensors exist to collect environment data like temperatures or parking spot availability. Many companies are analysing the possibilities of a LoRaWAN network and plan to invest in a network or connect to an existing one. I will give you a brief introduction to LoRaWAN networks, when they are a feasible solution and how you can get involved in that technology without a huge budget. about this event: https://pretalx.denog.de/denog12/talk/YBXFJH/