SKU: IOWC-1798
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Nebulae NLN0721 Wi-SUN Module IN865MHz WPC-Certified

₹1,049.00 (Inclusive of all taxes)
Out of Stock

The Nebulae NLN0721 is a WPC-certified Wi-SUN module operating in the 865–868 MHz (IN865) band, featuring an ARM Cortex-M33 processor for secure, long-range IoT connectivity in smart city and industrial applications.

Features

  • WPC-Certified Wi-SUN, WM-BUS & Amazon Sidewalk protocol support for compliant deployments.
  • High RF performance with +20 dBm transmit power and -109.5 dBm receiver sensitivity for robust, long-range links.
  • Powerful 78 MHz ARM Cortex-M33 core with DSP, FPU, 1024kB Flash, and 256kB RAM for efficient edge processing.
  • Ultra-low power operation (6.21 mA RX, 6.95 μA standby) ideal for battery-powered IoT nodes and meters.
  • Integrated hardware AES encryption and support for Over-the-Air (OTA) firmware updates (FUOTA) for secure, maintainable deployments.

Out of stock

Description

The Nebulae NLN0721 is a high-performance wireless module engineered for next-generation sub-GHz IoT networks. Certified by India’s WPC and supporting the Wi-SUN, Amazon Sidewalk, and WM-BUS standards, it provides a reliable, standards-based foundation for scalable smart infrastructure. Its robust RF front-end delivers industry-leading link budget, ensuring stable communication in challenging urban and industrial environments.

Built around an energy-efficient ARM Cortex-M33 processor with DSP and floating-point unit, the module handles complex protocol stacks and application logic locally. Combined with its ultra-low power consumption profile across active transmit, receive, and deep sleep modes, it is optimally designed for decade-long deployments in battery-operated smart meters, environmental sensors, and street lighting controllers. The integrated RF shield ensures EMI resilience for reliable operation in electrically noisy settings.

Key Features

  • WPC-certified module for compliant operation in the Indian sub-GHz spectrum.
  • Supports Wi-SUN FAN, Amazon Sidewalk, and Wireless M-Bus (WM-BUS) communication protocols.
  • High-performance RF transceiver with +20 dBm output power and exceptional -109.5 dBm sensitivity.
  • Powered by a 78 MHz ARM Cortex-M33 microcontroller with DSP extension and hardware FPU.
  • Integrated hardware AES accelerator for secure, encrypted data transmission.
  • Comprehensive support for Firmware Update Over The Air (FUOTA) for remote maintenance.
  • Ultra-low power architecture optimized for battery-powered IoT endpoints.
  • Up to 21 configurable GPIO pins with Serial Wire Debug (SWD) interface for development.

Applications

  • Advanced Metering Infrastructure (AMI) and smart electricity/water/gas meters.
  • Smart city infrastructure: intelligent street lighting and environmental monitoring nodes.
  • Industrial IoT (IIoT) for wireless telemetry and sensor data backhaul.
  • Agricultural sensor networks for soil moisture, weather, and irrigation control.
  • Asset tracking and condition monitoring across wide-area low-power networks.

Technical Specifications

Microcontroller/SoCARM Cortex-M33 @ 78 MHz with DSP & FPU
Wireless ProtocolsWi-SUN, Amazon Sidewalk, WM-BUS
Frequency RangeIN865 (865–868 MHz)
RF Transmit PowerUp to +20 dBm
RF SensitivityUp to -109.5 dBm
Supply Voltage1.8V to 3.6V
Operating Current (TX)Max 98.5 mA
Operating Current (RX)6.21 mA
Standby Current6.95 μA
InterfacesUp to 21 GPIO, UART, SPI, I2C, SWD
Antenna ConnectorEdge-plated pad for PCB antenna
Operating Temperature-20°C to +75°C
Dimensions26.7 mm (L) x 16 mm (W)

Frequently Asked Questions

What development tools and software are needed to program the Nebulae NLN0721 module?

You will need an ARM-compatible toolchain such as Keil MDK, IAR Embedded Workbench, or GNU Arm Embedded Toolchain. Development typically involves using the module's Serial Wire Debug (SWD) interface with a compatible JTAG/SWD debugger (e.g., Segger, ST-Link). The vendor should provide a Software Development Kit (SDK) containing the Wi-SUN stack libraries, hardware abstraction layer (HAL), and sample application code to build and flash firmware onto the module's internal Flash memory.

How do I design a PCB antenna for the NLN0721's 865-868 MHz operating band?

The module uses edge-plated pads for a PCB trace antenna. You must design a matched monopole or inverted-F antenna (IFA) tuned precisely to 866.5 MHz. This requires controlled impedance (typically 50 ohms) transmission lines and a matching network (pi-filter) with inductors and capacitors. Use RF simulation tools and perform vector network analyzer (VNA) measurements to optimize the return loss (S11). Ensure a sufficient ground plane clearance as per the module's reference design to achieve optimal radiation efficiency and range.

What is the procedure for performing an Over-the-Air (OTA) firmware update on this module?

OTA updates (FUOTA) are managed through the Wi-SUN network management layer. A firmware image is first securely distributed from a central server to a border router. Using the Wi-SUN protocol's multicast capabilities, the image is then propagated through the mesh network to target nodes like the NLN0721. The module's bootloader must be configured to validate cryptographic signatures, receive the image via its wireless interface, store it in a secondary Flash bank, and perform a verified swap before resetting into the new firmware.

Package Includes

  • 1 x Nebulae NLN0721 Wi-SUN Module

Additional Information

Weight 0.007 kg
Dimensions 2.67 × 1.6 cm