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