See also:

HD RadioTM Technology (Digital AM and FM Radio) (type D audio)
HD Radio Technology is fueling the digital radio revolution in the United States and around the world. The digital technology enables broadcasters to offer new and unique FM content via HD2 ...

XMTM satellite radio (for U.S.A. only)
XMTM is a continental U.S. based satellite radio service, including music, news, sports, talk and children’s programming. XMTM provides digital quality audio and text information, including song t ...

Corresponding profiles for the cell phone
- HFP (Hands Free Profile): Ver. 1.0 - OPP (Object Push Profile): Ver. 1.1 ...