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Type-4 Immobiliser

KAT Immobilizers are specially designed to operate under severe conditions of transportation industries, agriculture and construction vehicles.

The main purpose of KAT Immobiliser systems is to prevent theft of the vehicle by blocking the ignition system of the vehicle. 

The system consists of a control unit (ECU) containing the record of the transponder code, a switch with integrated transponder and an antenna. Alternatively, it is offered with a keypad. The immobiliser system comprises a master unit, a reader antenna and a switch with integrated transponder that is compatible to the KAT Ignition Switch.  The antenna and switch with integrated transponder fulfill their function without the need for an external power source.

KAT Immobiliser models are offered to our customers with certifications obtained from international institutions as a result of meticulous work and a long testing process. The KAT immobiliser systems are offered as 4 separate types according to their hardware specifications.

Type-4 Immobilizer 

• Communication with CAN Bus J1939 protocol (Encrypted communication, optional)
• IP67 sealing class
• Connection with Tyco connector
• 3x HCHSD (High Current High Side Drive)
• 3x HCLSD (High Current Low Side Drive)
• 2x LCLSD(Low Current Low Side Drive)
• Panel top and panel bottom antenna options (Illuminated warning for operator, optional)
• Usage with remote control switch
• Usage of real time calendar (RTC)
• Diagnostic feature
• Dual channel CAN-Bus communication feature (Automatic successful channel selection and tracking.)
• RS232 communication point. (Optional)
• Two-way wireless communication. (Encrypted)
• Dual-output wireless transmitter (One powered.)
• Low sleep current.
• Wake feature via wireless communication channel.
• Programmable key functions.
• Long and short individual programmable times for each key press. (Over CAN-Bus)
• Establishment of a two-way link with the remote control.
• Programmable current load at electronic load outputs. (Upper and lower limit.)
• Short circuit, open circuit and connection on positive line diagnosis at electronic load outputs.
• Assignment of validity date to switches introduced to the system. (Individual for each switch.)
• Encrypted memory space for the user in switches.
• Ability to transfer selected information from the vehicle to permanent memory.
• Access with digital signature to the memory of switches.
• Detection and tracking of intrusion attempts. (Timed blockage after determined intrusion.)
• Wireless communication between vehicles. User-selectable target vehicles (Broadcast and P2P).
• Wireless to CAN, CAN to Wireless Gateway Function
• Communication via Rolling code (Hopping code) algorithm with wireless control. 
• Monitoring of battery status information from the control module on the vehicle, and feature to alert the user from the screen.
• In case CAN-Bus communication (in both channels) breaks down, ability to warn the user by using VFI Blink generator.
• Operation of "Session key" procedure with encryption communicated units for all digital communications. (Single-use session key.)
• Two independent clocks, feeding of the random number generator with the calendar operation feature, and mixing with SHA algorithm. 
• Using encryption algorithms such as AES, TDES in cable and wireless communications.
• Monitoring the temperature of the system with the temperature sensor on the module.
• Measuring and monitoring the voltage of the main supply line (Battery).
• Measuring and tracking the current of 3 channels from electronic outputs as mA or A. (or receiving them over CAN-Bus).
• Updating the application software without dismantling the module on site. (over CAN-Bus or RS232).