Silicon Labs Slwrb4251B
RADIO BOARD, ERF32 434MHZ WIRELESS SOC; Silicon Manufacturer:Silicon Laboratories; No. of Bits:-; Silicon Family Name:-; Core Architecture:ARM; Core Sub-Architecture:Cortex-M4; Silicon Core Number:EFR32FG; Kit Contents:EFR32FG Radio Board & Main Board; Product Range:-; SVHC:No SVHC (17-Dec-2015); Accessory Type:Radio Board; For Use With:Silicon Labs EFR32 Flex Gecko 2.4 GHz & Sub-GHz Proprietary Wireless Kits