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The biggest change to the automotive industry in recent times has been the
introduction of the built in immobilise system on all cars manufactured since
1995 (late '94 in some cases). This involves placing a microchip in the head
of the key, which is a miniature transmitter and receiver. There is an engine
management system in the engine compartment that can recognise the signals
transmitted from the key. If the correct signals are not detected the engine
will not start.
TRANSMITTER + RESPONDER = TRANSPONDER
Electronic chip:
a chip inside the head of the key transmits a signal to the car when the
key is inserted in the ignition.
Mechanical element:
key is cut as per traditional key.
How does the Microchip works?
Transponder:
An electronic chip with a permanent memory which contains an ELECTRONIC CODE.
The transponder has an antenna with which it can interface with an external
electronic control device.
Through the antenna the device emits a fixed frequency signal; the transponder
receives the signal and then transmits its electronic code, by means of
special frequency modulations, to the control device, which is able to
process the
code.
The transponder has no external input of power supply (passive system);
it receives the energy necessary to work from the signal emitted by the
external
control device (inductive coupling between the control device antenna
and that of the transponder).
Can we copy all transponders?
No, but OVER 62% of cars on the road today have fixed code transponder keys
which we can copy.
European Trend
Total number of cars using Transpoders: 73 million
RW2 Transponder Device
RW2 - Stand Alone
RW2 is a device designed for reading, identifying, copying and writing keys
with transponders, a powerful instrument which is extremely simple to use.
It can memorise up to 99 codes and the memory can be zeroed and reprogrammed.
As the device is portable it can be taken directly to the vehicle. It operates
on a re-chargeable battery with autonomy of 6/8 hours. The device can be
updated through a Personal Computer without the need to replace internal
components.
RW2 & Silca Transponder Program
RW2 runs a STLM device. RW2 is designed to work also in connection with a Personal
Computer. It detects, reads and copies keys with transponders. With the dedicated
software program, Silca Transponder Program, codes can be generated so that
working keys can be made even if the original is not available*. The Silca
Transponder Program makes it possible to file an unlimited number of codes,
memorise information on the make and type of vehicle and the key-cutting
data provided by the program, and add information relating to the vehicle
owner itself. The software is constantly updated and the device can in any
case be used at any time in the stand alone mode.
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