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NBSN95

Waterproof Long Range Wireless NB-IoT Sensor Node

NBSN95 is a Long Range NB-IoT Sensor Node. It is designed for outdoor data logging and powered by Li/SOCl2 battery for long term use and secure data transmission. It is designed to facilitate developers to quickly deploy industrial level NB-IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to program, create and connect your things everywhere. NarrowBand-Internet of Things (NB-IoT) is a standards-based low power wide area (LPWA) technology developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity and spectrum efficiency, especially in deep coverage. NBSN95 uses STM32l0x chip from ST, STML0x is the ultra-low-power STM32L072xx microcontrollers incorporate the connectivity power of the universal serial bus (USB 2.0 crystal-less) with the high-performance ARM® Cortex®-M0+ 32-bit RISC core operating at a 32 MHz frequency, a memory protection unit (MPU), high-speed embedded memories (192 Kbytes of Flash program memory, 6 Kbytes of data EEPROM and 20 Kbytes of RAM) plus an extensive range of enhanced I/Os and peripherals. NBSN95 is an open source product, it is based on the STM32Cube HAL drivers and lots of libraries can be found in ST site for rapid development.

Features

  • STM32L072xxxx MCU
  • NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
  • Pre-load bootloader on USART1/USART2
  • MDK-ARM Version 5.24a IDE
  • I2C, LPUSART1, USB, SPI2
  • 3x12bit ADC, 1x12bit DAC
  • 20xDigital I/O
  • Open-source hardware / software

Multi-Band Support

Thermal Anemometer

Range: 0~5/10/30m/s

1000mAh Rechargeable Battery

External DC power adapter

wireless OTA update firmware

Application guide

Choose the airflow range by deployment scenario

Cold Storage & Display Cases
0–5 m/s range

Cold Storage & Display Cases

For supermarket chillers, refrigerated display cases, cold storage deadzone detection, VAV terminals, and clean rooms.

Cold chainClean roomLow airflow
HVAC Ducts & AHU Verification
0–10 m/s range

HVAC Ducts & AHU Verification

For HVAC supply or extract ducts, filter pressure-drop monitoring, and air handling unit performance checks.

HVAC ductsAHUFilter monitoring
Industrial Ventilation & Fan Outlets
0–30 m/s range

Industrial Ventilation & Fan Outlets

For main duct airflow, fan outlets, compressed air systems, and industrial ventilation monitoring.

Fan outletsMain ductsIndustrial

How it works

Remote airflow monitoring via LoRaWAN

Deploy AirFlow-LN at critical airflow points, transmit measurements through a LoRaWAN gateway, and use platform data to detect weak airflow, filter problems, or abnormal ventilation conditions earlier.

  1. AirFlow-LN measures airflow in ducts, refrigeration, or ventilation points.
  2. LoRaWAN gateway receives data from distributed sensors across the site.
  3. Cloud platform visualizes trends and helps trigger maintenance decisions.
Remote monitoring deployment scene
NBSN95 LoRaWAN architecture diagram

Product inquiry

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