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