Silicon Labs BG22 BLUETOOTH® Wireless Direction Finding Pro Kit is a cutting-edge solution for Bluetooth 5.1, Angle of Arrival (AoA), and Angle of Departure (AoD) applications. The Silicon Labs BG22 kit includes a 4×4 antenna array board that is the cornerstone of any successful locator or gateway design. With the reference designs and detailed documentation included in the Pro Kit, create high-volume, scalable direction-finding solutions easily. Take Bluetooth technology to the next level with the Silicon Labs BG22 BLUETOOTH® Wireless Direction Finding Pro Kit.