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ZA200409236B
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Lock box security system with improved communication.
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Key control with real time communications to remote locations
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Lock box security system with improved communication
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Key container
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Electronic key with optical scanner
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System and method for communicating with dormant radio frequency identification tags
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System and method for locating radio frequency identification tags
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System and method for communication with radio frequency identification tags using tow message DFM protocol
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Personal digital assistant key for an electronic lock
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Secure entry system with radio reprogramming
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