The EFR32FG14 SLWRB4257A radio board plugs into the mainboard provided with the EFR32FG Starter Kits. The radio board can also be used as a reference design for matching networks of the RF interfaces. The SLWRB4257A radio board supports dual-band operation with sub-GHz operation in the US FCC 915 MHz band with an external whip antenna and 2.4 GHz operation at the 2400-2483.5 MHz band with the on-board printed antenna. The matching networks are optimized to +19 dBm output power.
This radio board cannot be used stand-alone and requires a wireless mainboard which can be purchased separately. To evaluate the EFR32FG14 devices, you will need to purchase a wireless mainboard and 2 of the EFR32FG14 radio boards.
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