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It depends on the antenna efficiency of course, but I was surprised to discover that BLE modes around 128kbps using coded-PHY have a range extending over 1-1/2 km without a directional antenna. At 2.4ghz its line of sight, of course, but still…


That's extremely surprising to me too. I would have expected BLE to reach a few meters, not kilometers. How can I learn more?


Search for “BLE coded PHY”.

The S8 coded mode with 125kbps rate is the long distance one. Support for it in phones is not widespread, sadly.


Thanks! I didn't realize that was the key phrase.




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