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 {HEAD ~ a control function} capable of causing {TAIL ~ an alert} in the event of an intrusion 
capable of causing
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 { HEAD ~ a control function } capable of causing { TAIL ~ an alert } in the event of an intrusion
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