A security network for a building using {HEAD ~ at least one RFID reader} to communicate with {TAIL ~ at least one RFID transponder} to provide the radio link between each of a number of openings and a control function capable of causing an alert in the event of an intrusion 
to communicate with
A security network for a building using { HEAD ~ at least one RFID reader } to communicate with { TAIL ~ at least one RFID transponder } to provide the radio link between each of a number of openings and a control function capable of causing an alert in the event of an intrusion
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL 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