EFR32FG13 Flex Gecko 2.4 GHz and 915 MHz Radio Board


The Flex Gecko SLWRB4255A radio board plugs into the main board provided with the Flex Gecko Starter Kits. The radio board can also be used as a reference design for matching networks of the RF interfaces. The SLWRB4255A 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.

* To evaluate the EFR32FG13 devices, you will need to purchase a Flex Gecko Starter Kit and 2 of the EFR32FG13 radio boards

Radio Board User Guide Included Device Flash (kB) RAM (kB) Proprietary 2.4 GHz
Proprietary Sub-GHz
zigbee/Thread BLE Bluetooth 5 Bluetooth Mesh Output Power (dBm) Price (USD) Add to Cart
SLWRB4255A EFR32FG13P233F512GM48 512 64 Yes
915 MHz
No No
+19 $49 915 MHz EFR32FG SLWRB4255A Dual Band Radio Board
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