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Application Notes/
Technical Brief
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TB001
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Title:
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Secure Learning RKE Systems Using Encoders
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Name:
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TB001
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Date:
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5/31/11
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Author:
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Chris R. Burger
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Description:
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Learning capability in remote keyless entry (RKE) and remote-controlled security systems is regarded as essential by most manufacturers. The logistical problems associated with the supply of replacement and additional transmitters for personalized decoders quickly become overwhelming if any dealer intervention is required. In the case of a learning system, the user can purchase a pre-programmed transmitter off the shelf and then add that transmitter to the decoder system without assistance. Dealer intervention is completely unnecessary, and only one type of transmitter needs to be stocked for a particular product line. Each transmitter is pre-programmed with a unique serial number and key. However, learning systems need to be properly managed to ensure that they maintain an adequate level of security. A badly implemented learning system could provide an outsider with access to the system. On the other hand, a well-designed learning system should notreduce the security level of the basic code-hopping system at all.
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Keywords:
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RKE, Technical Brief
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Related Information
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App Notes and Source Code
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TB001
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