Also, the remote unit has a device for converting the format of {TAIL ~ the data} into a form suitable for communicating over radio waves, {HEAD ~ a spread spectrum modulator} and a transmitter 
Also , the remote unit has a device for converting the format of { TAIL ~ the data } into a form suitable for communicating over radio waves , { HEAD ~ a spread spectrum modulator } and a transmitter
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH