Silicon Labs FG25-RB4271A Radio Board is a critical component of the Wireless Pro Kit, offering a comprehensive solution for the EFR32 Gecko Wireless System-on-Chip. The Silicon Labs FG25-RB4271A is a plug-in board for the BRD4001A Wireless Starter Kit Mainboard or the BRD4002A Wireless Pro Kit Mainboard. With its 16dBm output power and SMA connector for the 863-870MHz band, the board is an ideal starting point for wireless technology.