a radio receiver that receives the radio frequency signal from {TAIL ~ the transmission channel} into {HEAD ~ a receive path} 
a radio receiver that receives the radio frequency signal from { TAIL ~ the transmission channel } into { HEAD ~ a receive path }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD