https://rf-design.co.za/2020/12/09/bl5340-series-rf-module-by-laird-connectivity/
BL5340 SeriesRF Module by Laird Connectivity via everything RF
Dec 9, 2020 - The BL5340 Series from Laird Connectivity are multi-core Bluetooth 5.2 + 802.15.4 (Thread and Zigbee) + NFC Modules. These small, robust modules are
laird connectivitymoduleviaeverythingrf