Combo Platform 520 is a universal transponder + Upgradeable data bus doorlock alarm interface solution.

Data bus interface functions: Lock/Unlock, Driver Priority Unlock, Trunk, OEM Security Arm/Disarm, Panic, (-) Door/Trunk/Hood Trigger Output. Universal Transponder bypass functions via RF induction using a loop antenna and a working ignition key. The Universal transponder override section is compatible with most types of transponder immobilizers. (transponder key NOT included)