https://www.silabs.com/development-tools/wireless/bluetooth/efr32bg-bluetooth-module-starter-kit
SLWSTK6101D EFR32BG Bluetooth Module Starter Kit - Silicon Labs - Silicon Labs
Silicon Labs' EFR32BG Bluetooth Module Starter Kit for BGM13S, BGM13P, and BGM113 SiP modules enable easy development of Bluetooth 5 LE (BLE 5) applications.
bluetooth modulestarter kitsiliconlabs