The Silicon Labs dual band radio board is an excellent starting point to get familiar with the EFR32 flex gecko wireless system-on-chip, and it provides all necessary tools for developing a Silicon Labs wireless application. BRD4258B is a plug-in board for the wireless starter kit mainboard. It is a complete reference design for the EFR32FG14 wireless SoC, with matching networks for 19 dBm output power, a 2.4 GHz PCB antenna, and an SMA connector for the 169 MHz band. Wireless SoC with 256 kB Flash, and 32 kB RAM
Dual band integrated radio transceiver
19 dBm output power
Inverted-F PCB antenna
SMA antenna connector