RF chips advance long-range smart car key features

15th September 2015
Posted By : Nat Bowers
RF chips advance long-range smart car key features

At the IAA international motor show today in Frankfurt, NXP Semiconductors has announced a family of high-performance transceivers and receivers for secure car access and vehicle management. The Mantra RF portfolio offers a long-range, two-way RF link that enables 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. Designed for the mid-to-high-end car access market, the Mantra family offers very high sensitivity and blocking performance for improved robustness against radio jamming and undisturbed signal reception.

The Mantra family is currently 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. This new concept also 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.

Jens Hinrichsen, Senior Vice President, Secure Car Access & Networking, NXP Semiconductors, commented: “The car key is an important differentiator for every car brand. NXP aims to continuously raise the bar in car access functionality, performance and security. The Mantra RF solution is the new industry benchmark for secure bi-directional long-range communication.”

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