The RF signal {HEAD ~ R118} is amplified by the power amplifier 118 and transmitted by {TAIL ~ the antenna} 120 
is transmitted by
The RF signal { HEAD ~ R118 } is amplified by the power amplifier 118 and transmitted by { TAIL ~ the antenna } 120
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH