Patent ID: 7880584

Claim:
A wireless lockbox key system, comprising: a plurality of locks each configured to receive instructions from one or more of a plurality of keys to energize a lock mechanism to unlock a respective lock; a computer disposed at a remote location from each of the locks and configured to communicate over a primary wireless communication path; and each of the plurality of keys configured for communicating over the primary wireless communication path with the computer, and for communicating with the locks over a secondary wireless path and wherein the computer sends authorization/deauthorization instructions to the plurality of keys, each of the plurality of keys being authorized to unlock at least one of the plurality of locks absent either (a) receiving a deauthorization instruction from the computer over the primary wireless communication path, or (b) a determination that a respective key has not been in contact with the computer over the primary wireless communication path during and/or lasting a predetermined period of time, and wherein each of the keys send usage data to the computer, each of the plurality of keys configured to send a predefined text message addressed to at least one device via the computer, wherein the computer is configured to communicate the predefined message to the at least one device.