This solution will stop vehicle theft from Key Cloning or RF Key Blocking

Cloned keys can not  start the vehicle without the Tag being present.

Also cloned keys can not disarm the Alarm .

The ADR Tag can be  attached to the vehicle keys or carried separately in a wallet /purse .

High Security Disarm with Passive Arming ,when locking the vehicle the system passively arms and immobilises , 30 seconds after ignition is switched off and door is closed.

when unlocking the vehicle if the ADR Tag is not detected  the LED flashes , reporting the absence of the ADR Tag.
If No ADR Tag is  detected the Alarm will trigger and Vehicle stay immobilised.