A portable remote keyless entry fob has a plurality of control elements disposed on the fob for manual activation by a user. A display is provided for displaying information to the user. An RKE transmitter wirelessly transmits RKE messages from the fob to a vehicle-mounted receiver. A wideband receiver...http://www.google.com/patents/US7042342?utm_source=gb-gplus-sharePatent US7042342 - Remote keyless entry transmitter fob with RF analyzer
