2.4 GHz adio Transceiver, 8051 MCU, 8 kB Flash memory and full-speed USB interface 36-VQFN
Texas Instruments
Texas Instruments - CC2511F8RSPR
$2.71
Texas Instruments - CC2511F8
$2.71 - * $7.99
Texas Instruments - CC2511F8RSP
$4.10 - * $7.99