Silicon Labs SLWRB4311A Wireless Gecko BLUETOOTH® Radio Board is based on the BGM220P Wireless Gecko Bluetooth PCB Module. The Radio Board plugs into the Main Development Board of the Wireless Gecko Starter Kit. The board works with a WSTK mainboard, the Gecko SDK suite, and the simplicity studio IDE. The Radio Board, when used with the Wireless Gecko Starter Kit offers a powerful embedded development environment to create, debug,e and optimize IoT applications based on the BGM220P module.