RF transmitter module, Bluetooth transceiver IC, rf communication module - tatanh1983/conchodom GitHub Wiki
The Laird Connectivity BL5340 Series Bluetooth Modules are the newest edition to the company’s Nordic Semiconductor-based Bluetooth LE portfolio. The BL5340 series is the most advanced, most secure, and highest performing dual core MCU architecture wireless solution available.
https://www.futureelectronics.com/npi/laird-connectivity-bl5340-series-bluetooth-nfc-modules