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SENTRY Radio Frequency Transmitter (French 3 Button 403MHz)

The SENTRY French 3 Button 403MHz Radio Frequency Transmitter is equipped with an internal DIP switch that facilitates the generation of the rolling code needed to generate encrypted transmissions for secure link communications between receiver and transmitter. The encrypted transmissions of the SENTRY French 3 Button are relatively resistant to code grabbing due to the fact that the learning protocol would need the user to have both transmitters in their possession to successfully clone the code.

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