Cellular telephone having improved in {TAIL ~ band signaling} for {HEAD ~ data communications} over digital wireless telecommunications networks 
Cellular telephone having improved in { TAIL ~ band signaling } for { HEAD ~ data communications } over digital wireless telecommunications networks
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH