Silicon Labs Blue Gecko Bluetooth Smart Module Wireless Starter Kit for BGM121 and BGM123 SiP modules and BGM111 module are Silicon Labs development boards to start evaluation and development of Bluetooth Smart applications for IoT. The wireless starter kit comes with the Bluetooth Smart module radio board, a main board with coin-cell battery holder, USB and Ethernet connections, display and connections to all the modules peripheral interfaces as well an extension board with additional peripherals like an accelerometer. The solution now support up to Bluetooth 5.0.