The interface section includes a millimeter wave transceiver and {HEAD ~ interfaces} with {TAIL ~ one or more external components} 
The interface section includes a millimeter wave transceiver and { HEAD ~ interfaces } with { TAIL ~ one or more external components }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL