Human-sensing sensors control RF exposure

Semtech’s PerSe line of person-sensing sensors improves mobile connectivity and compliance in smart phones, wearables, and laptops. The devices detect human presence near the mobile device or other consumer electronics and enable advanced RF control when the user is in close proximity. PerSe technology allows electronics manufacturers to enhance wireless connectivity, while complying with worldwide specific absorption rate (SAR) regulations to keep consumers connected and safe.

The product family comprises three core lines: PerSe Connect, PerSe ConnectPro, and PerSe Control. PerSe Connect sensors optimize RF power for the best 5G, sub-6, 4G, and Wi-Fi connectivity and help to maintain SAR compliance while delivering fast wireless experience. For high-band 5G mmWave devices in smartphones, laptops, and tablets, PerSe ConnectPro provides greater sensing distance to safely manage increased RF exposure. Offering intuitive control in wearables, PreSe Control human sensors enable automatic on/off detection, advanced gesture/media control, and smart assistant activation.

PerSe sensors provide single or multiple-channel sensor inputs, depending on platform selection. Their strong sensing performance and robust noise immunity allow OEMs and ODMs to design devices with longer detection distance or smaller sensor area.

PerSe product page


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