MasterGuardian® is manufacturing quality and innovative alarms since 1982.
MasterGuardian® introduced the first worldwide microprocessor-based car alarm in 1985 which has changed the concept of vehicle protection for ever.
2003 MasterGuardian® surprised again the world with the first Fingerprint alarm system with a Friendly user concept and a design acclaimed in all international Exhibitions.
2009 MasterGuardian® showed the innovative MGC WEB alarm incorporating a webserver and TCP/IP communication.
MasterGuardian® products are being used by over one million users trusting Portuguese technology.
30 years later MasterGuardian® is working carefully to deserve Your Trust.
Proudly made in Portugal
The Estonian journalist Eva Tihhonova was in Portugal to make a program about the country, its histo...
Portugal Telecom selectedMasterGuardian® to supply home alarms to the company commercial ne...
The famous portuguese football playerSimão Sabrosa installed aMasterGuardian® MGS Fi...