{TAIL ~ The data transceiver} 1, wherein the receiver supplies {HEAD ~ operational power} to a Radio Frequency processor for outputting a received signal and a signal strength detector for measuring a strength of the received signal outputted from the RF processor during the transmission period, if the transmission period is not allowed 
{ TAIL ~ The data transceiver } 1 , wherein the receiver supplies { HEAD ~ operational power } to a Radio Frequency processor for outputting a received signal and a signal strength detector for measuring a strength of the received signal outputted from the RF processor during the transmission period , if the transmission period is not allowed
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH