https://devzone.nordicsemi.com/f/nordic-q-a/71320/hci_lpuart-zephyr-link-layer-implementationHi, I am working on a project that utilizes the periodic advertisement feature. I have an nrf9160DK as a gateway to synchronize to multiple advertisers. I use the nrf9160 chip as the host and the nrf52840 as a controller and they communicate via LPUARTen-USTelligent Community 13Mon, 08 Feb 2021 16:58:00 GMThttps://devzone.nordicsemi.com/thread/293414?ContentTypeID=1Mon, 08 Feb 2021 16:58:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c6a13b97-2d98-482b-a19d-dbc334bd1452Hakon<p>Hello,</p> [quote user=""]Is there any way I can use LPUART with Zephyr Link Layer?[/quote] <p>you need to set CONFIG_BT_CTLR_ADV_EXT=y in the LPUART sample. It is not enabled by default.</p> <p>&nbsp;</p><div style="clear:both;"></div>