Compare Thatcham category 2 to 1 car alarm upgrade

We have compared the main features, that may interest you, of all the aftermarket Thatcham category 2 to 1 car alarm upgrades, for a more detailed specification click on the make and model. Some alarms can operate from the existing remotes or you may wish to opt for a new set, some alarms include microwave sensors so are ready to use on opentop cars without spending any extra. Special features like easy integration into the car CAN bus wiring loom, keypad foe entering a PIN and warning alerts by text message can be found on a few Thatcham alarms.

	Universal cat2:1 upgrade	Using original remote	Suitable for opentop cars	Unique features
Autowatch 375
Autowatch 695 RLC
Autowatch 695 RLC CAN				CAN bus
Autowatch 458 RL
Clifford 330 X1
Clifford 330 X2
Clifford 330 X3
Cobra 3868
Cobra 4198
Cobra 4818				low speed CAN bus
Cobra 4908				hi speed CAN bus
Cobra G198
Cobra G368				Auto Driver Recognition
Gemini 7590T
Gemini 7621T
Laserline 212
Laserline 270 UK
Laserline 278
Laserline 290 i2
Meta Easycan CA
Meta HPA T
Meta HPB T
Meta HPBT canbus				CAN bus
Scorpion 1012 T2
Scorpion 1015 T2
Scorpion 1215 T2
Scorpion SA40
Sigma S32				Keypad for PIN
Sigma S34				Keypad for PIN
Sigma S34 Interactive				warning text alerts & PIN
Toad A850 T2				Keypad for PIN

You can check if your local dealer can upgrade the original CAT2 immobiliser with any of the following original equipment alarms listed below...