NINA-B40 Bluetooth 5.1 Low Energy Modules

u-blox's NINA-B40 module is built on the Nordic nRF52833 chip and comes as an open CPU where customer applications run on the built-in Arm® Cortex®-M4 with FPU. NINA-B40 modules integrate Flash memory and RAM, and the application runs on top of the embedded Bluetooth low energy stack. Bluetooth low energy services such as serial port communication, GATT, beacons, and mesh are also supported. For location applications, NINA-B40 supports the direction-finding features such as Angle-of-Arrival and Angle-of-Departure from the Bluetooth 5.1 specification. These methods determine the direction from which a signal is transmitted, this improves location accuracy as compared to the received signal strength (RSSI). The NINA-B40 can act both as a transmitter and receiver in a direction-finding application.

NINA-B40 provides an extended communication range or a more reliable connection using the Bluetooth 5 long range feature. Additionally, the modules support NFC and IEEE 802.15.4 with Thread and Zigbee. A range of wired interfaces is available: UART, SPI, I²C, I²S, USB, QDEC, PDM, PWM, and ADC. Key market segments are smart cities and buildings, industrial automation, medical and healthcare, and telematics. Specific applications include smart lighting, asset tracking, indoor location, low-power sensors, as well as wireless-connected and configurable equipment.

NINA-B406 comes with an internal PCB antenna while NINA-B400 comes with a U.FL connector for use with an external antenna of choice. The internal PCB antenna provides a robust low-profile solution with high performance and an extensive range. The NINA-B40 series will be globally certified for use with the internal antenna or a range of external antennas. This greatly reduces time, cost, and effort for customers integrating Bluetooth low energy in their designs.

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