The portable terminal and the base terminal {HEAD ~ each} include a central unit and {TAIL ~ a radio transmit receive module} 
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The portable terminal and the base terminal { HEAD ~ each } include a central unit and { TAIL ~ a radio transmit receive module }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL