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Topic: wireless module for arduino 3km at least (Read 14 times) previous topic - next topic


I would like a  wireless module with a 3km range at least. i dont need to sent too much data and power isnt a problem. One way communication is ok. i would like to stay away from 415 and 331mhz because of interference. i also would like the total price to be less than $65. No more than 1sec latency. thanks for any advice.

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