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Under the present invention, a mailbox is equipped with a RFID reader. The RFID reader receives a continuously transmitted signal from an RFID tag that contains an RF identifier. Upon receipt, the RFID reader compares the RF identifier in the signal to an RF identifier assigned to the mailbox. If a

Under the present invention, a mailbox is equipped with a RFID reader. The RFID reader receives a continuously transmitted signal from an RFID tag that contains an RF identifier. Upon receipt, the RFID reader compares the RF identifier in the signal to an RF identifier assigned to the mailbox. If a match is established, the mailbox is unlocked and access is permitted.

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1. An RFID-keyed mailbox, comprising:a mailbox having a door;an RFJD reader attached to the mailbox for controlling the door of the mailbox, wherein the reader receives a signal containing an RF identifier that is automatically transmitted from an RFID tag, and uses the signal to control the door if

1. An RFID-keyed mailbox, comprising:a mailbox having a door;an RFJD reader attached to the mailbox for controlling the door of the mailbox, wherein the reader receives a signal containing an RF identifier that is automatically transmitted from an RFID tag, and uses the signal to control the door if the RF identifier in the signal matches an RF identifier assigned to the mailbox; and a log for storing the RF identifier in the signal, wherein the door requires a physical key to be controlled if a quantity of RF identifiers in the log exceeds a predetermined threshold within a predetermined amount of time.2. The mailbox of claim 1, wherein the reader comprises:a transceiver for receiving the signal; anda controller for unlocking the door based on a comparison of the RF identifier in the signal to the RF identifier assigned to the mailbox.3. The mailbox of claim 1, further comprising an alarm mechanism for detecting removal of the mailbox, and activating for an alarm if the mailbox is removed.4. The mailbox of claim 3, wherein the alarm mechanism detects removal of the mailbox from a post on which it is mounted.5. The mailbox of claim 1, wherein the door requires a physical key to be controlled if the mailbox is removed.6. The mailbox of claim 1, wherein the RFID tag is adapted to be carried by a postal worker.7. The mailbox of claim 1, wherein the RFID tag is carried by a postal vehicle.8. The mailbox of claim 1 wherein the RFID reader responds to at least two RFID signals to open the door of the mailboxes.9. The mailbox of claim 8 wherein at least one of the at least two RFID signals controls the opening of plural mailboxes.10. The mailbox of claim 8 wherein one of the at least two RFID signals controls the opening of a single mailbox.11. An RFID-keyed mailbox, comprising:a mailbox having a door; andan RFID reader attached to the mailbox for controlling the door of the mailbox, wherein the reader receives a signal containing an RF identifier that is automatically transmitted from an RFID tag, and uses the signal to control the door if the RF identifier in the signal matches an RF identifier assigned to the mailbox,wherein the RF identifier in the signal is encrypted prior to transmission from the RFID tag, and wherein the RFID reader decrypts the RF identifier in the signal upon receipt of the signal; and a log for storing the RF identifier in the signal, wherein the door requires a physical key to be controlled if a quantity of RF identifiers in the log exceeds a predetermined threshold within a predetermined amount of time.12. An RFID-keyed mailbox, comprising:a mailbox having a door; andan RFID reader attached to the mailbox for controlling the door of the mailbox, wherein the reader receives a signal containing an RF identifier that is automatically transmitted from an RFID tag, and uses the signal to control the door if the RF identifier in the signal matches an RF identifier assigned to the mailbox,wherein the RFID reader further comprises an electronic positioning device for tracking a position of the mailbox.13. An RFID-based system for securing a mailbox, comprising:an RFID tag for automatically transmitting a signal containing an RF identifier; anda mailbox having a door and an RFID reader for receiving the signal, and for controlling the door of the mailbox based on a comparison of the RF identifier in the signal to an RF identifier assigned to the mailbox,wherein the mailbox is mounted on a post, and wherein the RFID reader comprises an alarm mechanism for detecting removal of the mailbox from the post, and for activating an alarm upon removal.14. The system of claim 13, wherein the RFID tag is adapted to be carried by a postal worker.15. The system of claim 13, wherein the RFID tag is carried by a postal vehicle.16. The system of claim 13, wherein the RFID reader comprises:a transceiver for receiving the signal from the RFJD tag; anda controller for unlocking the door based on a comparison of the RF identifier in the signal to the RF identifier assigned to the mailbox.17. The system of claim 13, wherein the door requires a physical key to be controlled if the mailbox is removed.18. The system of claim 13, wherein the RF identifier in the signal is encrypted prior to transmission from the RFID tag, and wherein the RFID reader decrypts the RF identifier in the signal upon receipt of the signal.19. The system of claim 13, wherein the RFID reader further comprises a positioning device for tracking a position of the mailbox.20. The system of claim 13, further comprising a log for storing the RF identifier in the signal, wherein the door requires a physical key to be controlled if a quantity of RF identifiers in the log exceeds a predetermined threshold within a predetermined amount of time.21. The system of claim 13 wherein the RFID reader responds to at least two RFID signals to open the door of the mailbox.22. The system of claim 21 wherein at least one of the at least two RFID signals controls the opening of plural mailboxes.23. The system of claim 21 wherein one of the at least two RFID signals controls the opening of a single mailbox.24. An RFID-based method for securing a mailbox; comprising:providing a mailbox having an RFID reader;receiving an automatically transmitted signal containing an RF identifier from an RFID tag;comparing the RF identifier in the signal to an RF identifier assigned to the mailbox;controlling a door of the mailbox based on the comparison of the RF identifier in the signal to the RF identifier assigned to the mailbox; andstoring the RF identifier in the signal in a log, wherein the door requires a physical key to be controlled if a quantity of RF identifiers in the log exceeds a predetermined threshold within a predetermined amount of time.25. The method of claim 24, wherein the controlling step comprises unlocking the door if the RF identifier in the signal matches the RF identifier assigned to the mailbox.26. The method of claim 25, further comprising:detecting removal of the mailbox from a pole; andactivating an alarm upon removal.27. The method of claim 25, wherein the mailbox requires a physical key to control the door if the mailbox is removed.28. The method of claim 25, wherein the RFID reader comprises a positioning device for monitoring a position of the mailbox.29. The method of claim 25, wherein the RFID tag is adapted to be carried by a postal worker.30. The method of claim 25, wherein the RFID tag is carried by a postal vehicle.31. The method of claim 25, further comprising decrypting the RF identifier in the signal after receiving the signal.32. The method of claim 25, wherein the RFID reader comprises:a transceiver for receiving the signal from the RFID tag; anda controller for unlocking the door based on the comparison of the RF identifier in the signal to the RF identifier assigned to the mailbox.33. The method of claim 24 wherein the RFID reader responds to at least two RFID signals to open the door of the mailbox.34. The method of claim 33 wherein at least one of the at least two RFID signals controls the opening of plural mailboxes.35. The method of claim 33 wherein one of the at least two RFID signals controls the opening of a single mailbox.