{TAIL ~ A portable radio information terminal} capable of operating at a plurality of {HEAD ~ phases} to execute different functions 
{ TAIL ~ A portable radio information terminal } capable of operating at a plurality of { HEAD ~ phases } to execute different functions
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH