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RF devices tout 'smarter' security features to car keys

Posted: 17 Sep 2015     Print Version  Bookmark and Share

Keywords:NXP Semiconductors  automotive  smart car  key  RF chip 

NXP Semiconductors N.V. has recently unveiled a line-up of high-performance transceivers and receivers for secure car access and vehicle management. The Mantra RF family claims to provide a long-range, two-way RF link that allows robust bi-directional communication between key fob and car over a distance of several hundred metres.

Car keys with Mantra enable users to conveniently check the fuel, battery levels, and latest maintenance data from a distance. Car owners can also verify if the doors and windows are locked, remotely operate the locks, start the car and pre-set the car's temperature, added the company.

Mantra RF family

Geared for the mid-to-high-end car access market, the Mantra family promises very high sensitivity and blocking performance for improved robustness against radio jamming and undisturbed signal reception. Furthermore it incorporates innovative concepts: the Mantra family claims to be the only chip family on the automotive market that offers a triple-receiver for simultaneous reception of up to three channels. This multi-channel reception ensures that no signals are missed, offering very high system robustness at very low power consumption. Furthermore, this concept enables the integration of different receiver units, such as tire-pressure monitoring, car diagnostics and car management, into the car-access module to reduce the overall system costs.

The Mantra family provides strong security and authentication features to prevent unauthorised access, the company indicated.

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