The EFR32MG24B120F1536IM48-BR from Silicon Labs is an MG24 Radio Frequency transceiver and MCU Integrated Circuit for Bluetooth v5.3 at 2.4 GHz, with 1536 KB flash and 256 as stated, in a 48-VFQFN exposed-pad package.
The EFR32MG24B120F1536IM48-B from Silicon Labs is a Radio Frequency transceiver Integrated Circuit with integrated MCU for Bluetooth v5.3 at 2.4 GHz, with 1536KB flash and 256, in a 48-VFQFN package with exposed pad.