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Vehicle Security Devices
  • Alarms and Immobilisers
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Kvant Immobiliser packaging
Analog Vehicle Security

KVANT 231

The smallest, automotive car, non-digital immobiliser on the market and the only analog device in the Author Alarm line-up. Designed for use on all vehicles with or without a CAN-Bus or a non-supported LIN-Bus. Also great for use on motorbikes.


Easily hidden, hard to defeat!

More about KVANT 231...

Fantastic vehicle security in a miniature device.

The KVANT 231 has all the features you need to adequately protect your ride. With its miniature build design, it is easily hidden well within the depths of a vehicle's wiring loom or in the smallest of cavities to ensure it isn't found and disconnected by thieves.


It's installation location (by our qualified and trained installers), is carefully selected either within the cabin, boot or within the engine bay whilst making sure all features are still able to function accurately.


KVANT works by disabling the engine and/or transmission in the event of potential theft. By using several methods to detect potential theft, KVANT always has a backup handy.


It can detect theft in the following ways:

  • Ignition turned on or engine started without authorisation.
  • Transmission gear selection changed without authorisation. (Auto trans.)
  • and thanks to its adjustable in-built motion sensor, KVANT can detect unauthorised vehicle mobility.

Please note that KVANT is not an alarm system. No siren output is available. It is purely designed to prevent theft of the vehicle. 


Authorisation to disable the device is easy using one of the following methods:

  • Via Key Fob (Included)
  • Via Author Connect smart phone app.
  • or via Pin code entered using a remote button fitted to the dashboard. (Included)

KVANT is the best non-digital immobiliser in the Author Alarm range and is a small price to pay when it comes to protecting your ride.


Get KVANT installed and protecting your ride for as little as $860.00.

Thief breaking into car

Features of KVANT | Automotive Car Immobiliser

Miniature Size

3 ways of Authorisation

3 ways of Authorisation

Small size of the device allows its hidden installation in the passenger compartment or under hood space of the car

3 ways of Authorisation

3 ways of Authorisation

3 ways of Authorisation

The security will be disarmed by signal from key fob or smartphone with the application installed, or by entering a pin code using the included remote button discretely fitted to the dashboard.

Affordable Protection

3 ways of Authorisation

Affordable Protection

Cheapest immobiliser among Author products. 

3 levels of Security

3 levels of Security

Affordable Protection

Engine blocking occurs in following events: car starts moving, ignition switched ON, automatic gearbox position is changed 

Service Mode

3 levels of Security

Service Mode

Service mode for times your vehicle is in for maintenance/repairs or car wash. Service mode disables the immobiliser for a certain period so you don't have to share your password and compromise protection.

Undetectable

3 levels of Security

Service Mode

The device stays well hidden, only letting the thief know its there once it has blocked the engine.

What's included?

KVANT 231 includes the following:

  • KVANT 231 immobiliser
  • Key Fob x2
  • Buzzer
  • Button
  • 15a Fuse
  • Operating Manual

KVANT Brochure

PDF Brochure

Download PDF

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