PROGRAMMABLE DOOR LOCK & ALARM CONTROL INTERFACE WITH INTEGRATED FIRST GENERATION (1997–2004) SENTRY KEY RF TRANSPONDER BYPASS; PRELOADED WITH UPGRADEABLE FIRMWARE® FOR 1999–2004 JEEP CHEROKEE®; INTERFACE CONTROL FUNCTIONS: DOOR LOCKS, FACTORY ALARM & TRUNK/HATCH RELEASE; INCLUDED TRANSPONDER CHIP BYPASSES RF INDUCTION USING LOOP ANTENNA