We can make copy of almost car keys from market. We have equipment for make key copy and chip for start. We can copy classic keys, with remote key-fob, Renault cards and insertable keys as Mercedes, Bmw, Passat, etc.
Transponder is a kind of mechanism using in telecoms.
Equipments that do this function are:
- Receipt, amplification and reissue in a different band from a signal. This kind of transponder are using in spacial connection in order to arrange the signal from entering/outgoing satellite to equipments frequency in baseband.
- Automatic answer of a message to reception from a particular question signal. this transponders are using , commonly, in aeronautic in pseudo-radar system.
In automotive, transponder is mechanism using for a key identification or approval, for immovilizer vehicle system, through radio-frequency signals, it doesn’t use batteries, directly it feed on antenna that there is in vehicle contact.
Transponder are made of electronic circuit equipped with a antenna and internal memory, where it writes a code. This code can be read it or rewrite withot having to mechanical or electric contact.