Modulation formats. 2FSK, 4FSK, 2GFSK, OOK/ASK
Frequency ranhe 300-348 MHz; 291-464 MHz; 782-928 MHz
All this information is on CC1101 web site (http://www.ti.com/product/cc1101) and in the CC1101 data sheet. The SmartRF Studio User Guide is also a good document to look at.