Laird Connectivity 451-00003 The Laird Connectivity Intelligent USB Bluetooth v5 adapter. BL654 Series module is designed to simplify OEMs enablement of Bluetooth Low Energy (BLE) v5.1 and Thread (802.15.4) to small, portable, power-conscious devices. Bluetooth v5.1 – Single mode
802.15.4 (Thread) radio support
Multiple programming options
– smart BASIC AT command set shim or
– Nordic SDK in C
Ultra-low power consumption