247 Security Remotes & Receivers
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Garage and gate remote control are very common, especially in some countries such as USA, Australia, and the UK, where garage doors, gates and barriers are widely used. Such a remote is very simple by design, usually only one button, and some with more buttons to control several gates from one control.
Such remotes can be divided into two categories by the encoder type used: fixed code and rolling code. If you find dip-switches in the remote, it is likely to be fixed code, an older technology which was widely used in the past. However, fixed code has been criticized for its (lack of) security, thus rolling code has been more and more widely used in today's newer installations.