2.4GHz F Value Line SoC with 32kB flash, 16 GPIO, I2C, SPI and UA T 32-VQFN
Texas Instruments
Texas Instruments - CC2543RHBT
* $1.73 - $4.21
Texas Instruments - CC2543
* $1.50 - $47.08
Texas Instruments - CC2543 HB
Texas Instruments - CC2543RHBR