الموضوع: استفسار بخصوص ايموبيلايزر اللوجان

The intrnal IC (locxated at key black box) which is PCF7936AS is a very high technology IC work as follow:
The Security Transponder derives its power supply from
the magnetic field (LF field) established by the basestation.
No additional battery supply is needed. Data is transmitted
by modulating the LF field.
The Security Transponder features secure .......less
authentication, employing a Secret Key and a random
number in order to cipher any communication between the
device and the basestation. The secure .......less
authentication is ideally suited for vehicle immobilization
applications. In addition, the device features a factory
programmed quasi unique serial number that also serves
as product type identification.
If desired, the device may be operated as a Read/write
transponder with access control by password or as a
Read Only transponder.