Patent ID: 8085148

Claim:
A monitoring and alert system comprising: a) a receiver, wherein the receiver does not broadcast information over a radio frequency; and b) one or a plurality of RFID tags, wherein the one or plurality of RFID tags are separately attached to one or a plurality of items, wherein the tags discontinuously broadcast unique identification information over a radio frequency at predetermined intervals independent of the receiver, said one or a plurality of RFID tags paired with the receiver such that the receiver recognizes the unique identification information independently broadcast by one or a plurality of paired tags; wherein the receiver is configured to receive and process broadcasted unique identification information from one or a plurality paired tags, and not to receive or process radio frequency information broadcasted from non-paired tags; and wherein the receiver, in the absence of the receiver receiving broadcast information from a paired tag in a predetermined period of time, identifies an item as being out of range of the receiver.