Liftgate Intelligent Access (IA) Antenna
WARNING: This page is about a different car, the 2013 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
The liftgate Intelligent Access (IA) antenna is hardwired to the RFA module and, when activated by the RFA module, it transmits a low frequency signal that activates an Intelligent Access (IA) key.