In {HEAD ~ an embodiment}, control signal 210 a.1 may be supplied by {TAIL ~ RF module} 105 
In { HEAD ~ an embodiment } , control signal 210 a.1 may be supplied by { TAIL ~ RF module } 105
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH