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