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A comment on Logitech MX Mechanical Keyboard. Parent comment

Re:Logitech MX Mechanical Keyboard by sillystuff on Tuesday May 24, 2022 @10:57AM (#31492955)
The Logitech Unifying Receiver uses an nRF24LU1+. They use a Nordic Semiconductor proprietary protocol, "ShockBurst".

https://www.sparkfun.com/datasheets/Wireless/Nordic/nRF24LU1... https://www.nordicsemi.com/Products/nRF24-series

This chip was pretty popular for non-bluetooth keyboard/mouse dongles, not just Logitech.

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Re:Logitech MX Mechanical Keyboard by user3939382 on Tuesday May 24, 2022 @12:12PM (#31493940)
I found this comparison between that protocol and BLE https://d.lij.uno/misc-nrf24-ble.html it looks like the radios are very similar and can with some limitations be used for both, but the protocols differ
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