I have added a link to the Design Details document for the CC1110 processor on the Flex IO.
https://documents.jemrf.com/rf_device_specs.htmlNote: From my past testing, while the CC1110 will get a few readings, the scaling of the A/D process is based on the battery voltage.
The impact is the A/D results for the same voltage input, will vary as the battery voltage changes.
Having the Flex module powered by a good stable power supply will get the best results.