a transmitting unit configured to transmit a signal addressed to a broadcast address which does not specify {TAIL ~ a particular terminal}, said {HEAD ~ signal} including beacon information indicating that the terminal has a second terminal authorization certificate to a second terminal having a first terminal authorization certificate 
a transmitting unit configured to transmit a signal addressed to a broadcast address which does not specify { TAIL ~ a particular terminal } , said { HEAD ~ signal } including beacon information indicating that the terminal has a second terminal authorization certificate to a second terminal having a first terminal authorization certificate
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH 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