SDR: TI CC1101 - cyberxml/pentos GitHub Wiki
http://www.ti.com/lit/ds/symlink/cc1101.pdf
http://labalec.fr/erwan/?p=497
http://www.elechouse.com/elechouse/images/product/CC1101%20Wirless%20Data%20Transmittion%20Module/Code.rar (deprecated, see below)
https://github.com/simonmonk/CC1101_arduino (imported into my arduino ide)
http://www.electrodragon.com/w/CC1101
https://www.elecrow.com/wiki/index.php?title=433MHz_RF_Transceiver_CC1101_Module
https://github.com/nahueldsanchez/pycc1101
AX.25 over CC1101 on RPi https://github.com/f4exb/picc1101