The invention relates to a transceiver unit for {HEAD ~ operation} at {TAIL ~ a first and second transmitting/receiving frequency} 
at
The invention relates to a transceiver unit for { HEAD ~ operation } at { TAIL ~ a first and second transmitting / receiving frequency }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL