An example sequence may be: {HEAD ~ the RFID reader} 200 may be transmitting {TAIL ~ power} without information content, a first RFID transponder 100 causes an interrupt, the RFID reader 200 detects the interrupt and sends a globally addressed wireless communication 420, the first RFID transponder 100 sends its response wireless communication 421 
transmitting
An example sequence may be : { HEAD ~ the RFID reader } 200 may be transmitting { TAIL ~ power } without information content , a first RFID transponder 100 causes an interrupt , the RFID reader 200 detects the interrupt and sends a globally addressed wireless communication 420 , the first RFID transponder 100 sends its response wireless communication 421
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL 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