a precise navigation system utilizing a fleet of deployed rf beacons and an associated application . the rf beacons are installed in known locations about a predefined facility area . the rf beacons emit either a bluetooth or wi - fi beacon signal . an rf beacon identifier is encoded into the beacon signal . the location of the beacon is determined by using the beacon identifier in conjunction with a beacon location index . the location can be used to determine a location of the receiving mobile device , initiating conveyance of information associated with merchants in the proximate area , assistance for parking , etc . the system can be employed to assist in emergency conditions , obtaining road sign information , and other applications where rf beacons can transmit specific location based services and information .