The EFR32FG25 Wi-SUN Pro Kit is designed to support the development of Wireless IoT devices based on the Sub-GHz Wi-SUN FAN. The Pro Kit includes a radio board that provides a complete reference design for the EFR32FG25 Wireless SoC, with the matching network for +16 dBm covering 902-928 MHz. The WPK main board contains an onboard J-Link debugger with a Packet Trace Interface and a Virtual COM port, enabling application development and debugging of the attached radio board as well as external hardware through an expansion header. The FG25 Pro Kit provides all the necessary tools for developing high-volume, scalable Sub-GHz wireless IoT applications.