Patent ID: 7042342

Claim:
A portable remote keyless entry fob comprising: a plurality of control elements disposed on said fob for manual activation by a user; a display for displaying information to said user; an RKE transmitter for wirelessly transmitting RKE messages from said fob to a vehicle-mounted receiver; a wideband receiver capable of receiving RF signals broadcast by wireless devices nearby said fob and generating a received signal strength indicator (RSSI) signal in proportion to said RF signals; and a controller coupled to said plurality of control elements, said display, said RKE transmitter, and said wideband receiver wherein said controller has an RKE mode for providing a plurality of remote entry command functions in response to activation of respective ones of said control elements, wherein said controller has a detector mode initiated by a predetermined one of said control elements for detecting presence of a wireless device using a comparison responsive to predetermined signal patterns and said RSSI signal, wherein said controller generates an indication on said display when said wireless device is detected, and wherein said controller returns to said RKE mode from said detector mode in response to activation of a selected one of said control elements.