10- x 16- x 1.2-mm SiP delivers multimode LTE-M / NB-IoT

January 22, 2018 // By Julien Happich
The nRF91 series low power cellular IoT device developed by Nordic Semiconductor is designed to be easily accessible for cellular connectivity. Measuring only 10- x 16- x 1.2-mm, the global multimode LTE-M / NB-IoT System-in-Package (SiP) device integrates a complete low power cellular IoT system including a modem, transceiver, RF front end, dedicated application processor, Flash memory, power management, and crystal and passive components.

With this level of integration the nRF91 SiP combines all the benefits of traditional cellular modules, including teleregulatory and cellular certifications, with ease-of-use, unprecedented integration, and the smallest form factor ever seen in the cellular industry to date, claims the manufacturer.

The nRF91 SiP leverages Qorvo’s state-of-the-art, proven RF front-end, advanced packaging, and MicroShield technology to deliver a unique, ultra-compact SiP that combines high performance with low power consumption. The nRF91 series supports global operation with a single SiP variant thanks to the combination of Nordic’s multimode LTE-M / NB-IoT modem, SAW-less transceiver, and a custom RF front-end from Qorvo. The integration of an Arm Cortex-M33 processor and Arm CryptoCell-310 security IP enables an entire low power cellular IoT application to be implemented on an nRF91 SiP. The built-in host processor features TrustZone for Armv8-M, helping secure application data, firmware, and peripherals using an isolated, trusted execution environment across the CPU and system.

Other features include built-in support for positioning via an integrated Assisted GPS (A-GPS) solution that combines cellular and GPS technology to deliver fast and accurate positioning. The nRF91 SiP is based on Nordic’s own nRF91 Series low power cellular IoT System-on-Chip (SoC).

Nordic is sampling nRF91 to selected lead customers now. Start of general sampling is planned for mid-2018, with first production quantities available by end of 2018. The nRF91 SIP will be available in variants with and without integrated GPS.

www.nordicsemi.com


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