The Logitech Unifying Receiver uses an nRF24LU1+. They use a Nordic Semiconductor proprietary protocol, "ShockBurst". https://www.sparkfun.com/datasheets/Wire

The Logitech Unifying Receiver uses an nRF24LU1+. They use a Nordic Semiconductor proprietary protocol, "ShockBurst". https://www.sparkfun.com/datasheets/Wireless/Nordic/nRF24LU1P_1_0.pdf https://www.sparkfun.com/datasheets/Wireless/Nordic/nRF24LU1... https://www.nordicsemi.com/Products/nRF24-series https://www.nordicsemi.com/Products/nRF24-series This chip was pretty popular for non-bluetooth keyboard/mouse dongles, not just Logitech.