Each central unit is adapted to generate/read {HEAD ~ binary messages} transmitted/received in the form of radio waves by {TAIL ~ the transmit receive module} 
Each central unit is adapted to generate / read { HEAD ~ binary messages } transmitted / received in the form of radio waves by { TAIL ~ the transmit receive module }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL