Thatcham category 1 alarm

There are many Thatcham category 1 alarms on the market but before making a choice you must find out if your vehicle has a category 2 immobiliser already installed. Newer UK spec cars have them factory fitted as standard for the UK market but if your car has not been important by the manufacturer or is very old then it is unlikely to be fitted with a cat 2. A Thatcham category 1 alarm upgrade is all you need for cars with an existing cat 2 immobiliser otherwise choose a cat 1 alarm and immobiliser.

Thatcham category 1 alarms differ from soft top cars and hard top cars and you will need to buy an alarm with a microwave interior sensor for an open top car. All other vehicles can be fitted with a Thatcham category 1 alarm with either an ultrasonic interior sensor or microwave sensor.

If you have a small car or limited on space then look out for compact Thatcham category 1 alarms that is both small in size and has the siren and electronic brain in one unit. Cobra 7928, Toad C4T and C5T Thatcham category 1 alarm are all compact in design.

Universal Thatcham category 1 alarms come with a pair of high security remote controls that operate the central locking and arm and disarm the alarm. If you prefer to use your existing remotes you can buy a Thatcham category 1 alarm that utilises the cars remotes provided that they are compatible with Thatcham high security specification.

All Thatcham category 1 alarms have basic features like; perimeter detection, ignition detection, passenger compartment movement detection or glass break and inclination detection, high security remotes, audible warning with battery back-up power supply. Extra sensors and accessories like; dual zone pre warning bleep, radio or SMS pager, tilt or motion sensor, glass break detector or window closure can also be connected to a Thatcham category 1 alarm to provide extra security.