NFC security module protects wearable devices

Fitness trackers and smart keys to chains, watches or wristbands are increasingly including mobile payment functionality, needing them to be equipped with security and NFC technologies. Infineon has launched an NFC security module series in collaboration with Beijing-based Mobile Payment Solutions (MPS). It is claimed to “significantly” reduce design efforts by bundling an Infineon security chip with NFC antenna components and software on a small PCB footprint. The smallest module of the series measures only 4.0 x 4.0mm.

The Boosted NFC security module series, manufactured by MPS has been awarded the Mobile Finance Secure Element Certificate by the China Financial Authentication body of the People’s Bank of China (PBOC) – a key enabler, says the company, in addressing the mobile payment market in China. At the core of the module is Infineon’s Boosted NFC Secure Element. It eliminates the need for a separate NFC controller which is typically required with conventional solutions to use card emulation functionality in a device. The NFC antenna and antenna matching components are included into the package, reducing the PCB footprint by more than 75%, claims the company. The modules runs on a standard Java security card OS, allowing for Java-based applications (applets) to be loaded on smart devices. As well as used in new products, the module can be integrated into existing designs to include secure payment. The company’s SLE78 chip combines security performance with a storage capacity of more than 1Mbyte, sufficient to securely store user credentials and run multiple applications. A single device can therefore replace a variety of cards such as payment cards, public transport tickets and online payment tokens.

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