{TAIL ~ A remote unit} has an antenna, and a detector coupled to the antenna for recovering data communicated from {HEAD ~ the base station} 
{ TAIL ~ A remote unit } has an antenna , and a detector coupled to the antenna for recovering data communicated from { HEAD ~ the base station }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD