https://www.silabs.com/development-tools/wireless/slwrb4182a-efr32xg22-wireless-gecko-radio-board
SLWRB4182A EFR32xG22 2.4 GHz 5x5 QFN40 Radio Board - Silicon Labs - Silicon Labs
The SLWRB4182A EFR32xG22 Wireless Gecko 2.4 GHz Radio Board with +6 dBm 5x5, QFN40 plugs into Main Board provided with Wireless Gecko Starter Kit.
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