SimpleLink™ 32 -bit Arm® Cortex®-M4 single-protocol 2.4-GHz wireless MCU 48-VQFN -40 to 105
Texas Instruments
Texas Instruments - CC2651R31T0RKPR
$3.88 - $5.50
Texas Instruments - CC2651R31T0RGZR
$4.00 - $5.28