Altitude Tech IronLink NB-IoT Development Board

Altitude Tech IronLink NB-IoT Development Board is an industrial ultra-low-power worldwide NB-IoT and LTE-M communication board with GPS, GLONASS, Galileo, and QZSS capabilities. This cellular modem gives coverage across much of the globe for high-value asset tracking to sensing on a mass scale. The IronLink NB-IoT development board, with up to 10 years of data included, provides the perfect hardware to get the systems connected to the cloud. This rugged board comes with high-temperature range operation and ESD protection by default and with the option of IP-rated enclosures or resin-filled cases. Altitude Tech IronLink NB-IoT Development Board is suitable for smart agriculture, environmental monitoring, smart cities, reliable asset tracking, bridge sensor measurements, smart healthcare, and supply chain logistics.


  • GPS with Easy Mode (or onboard GPS with 1s lock time)
  • 28 pin header for add ons board
  • Fuel Gauge for accurate battery tracking
  • 6 channel 12bit ADC for sensor addons
  • Optional external GPS antenna for a greater range
  • NB-IoT Antenna with 2G fallback
  • Integrated EEPROM
  • HAL software for easy programming
  • USB serial interface for debugging
  • Battery support for 4.2V LiPo's


  • BG96 modem NB-IoT
  •  Cortex-M0 processor
  • Power
    • 2.4V to 5.5V input voltage
    • 3.6V to 4.2V battery input voltage
  • Power Consumption
    • <7µA idle
    • 20mA average
    • 200mA(Lora) 250mA(NB-IoT) maximum
  • Input Voltage Range
    • 2.4V to 5.5V and 77.043mA
    • Maximum Current Draw
      • 200mA (Lora transmission)
      • 250mA (NB-IoT transmission)
  • 86mm x 41mm dimensions
  • LTE
    • Support LTE Cat.M1 and LTE Cat.NB1
    • Support 1.4MHz RF bandwidth for LTE Cat.M1
    • Support 200KHz RF bandwidth for LTE Cat.NB1
    • Support SISO in DL direction
    • Cat.M1: 375kbps (DL)/375kbps (UL) (maximum)
    • Cat.NB1: 32kbps (DL)/70kbps (UL) (maximum)
  • Internet Protocols
    • Support PPP/TCP/UDP/SSL/TLS/FTP(S)/HTTP(S) protocols 
    • Support Password Authentication Protocol (PAP) and Challenge Handshake Authentication Protocol (CHAP) protocols
  • GSM
    • GPRS
      • Support GPRS multi-slot class 33(33by default)
      • Coding Scheme: CS-1, CS-2, CS-3 and CS-4
      • Max. 107Kbps (DL), Max. 85.6Kbps (UL)
    • EDGE
      • Support EDGE multi-slot class 33(33by default)
      • Support GMSK and 8-PSK for different MCS (modulation and coding scheme)
      • Downlink coding schemes: CS 1-4 and MCS 1-9
      • Uplink coding schemes: CS 1-4 and MCS 1-9
      • Max. 296Kbps (DL), Max. 236.8Kbps (UL)
  • SMS
    • Text and PDU mode
    • Point-to-point MO and MT
    • SMS cell broadcast
    • SMS storage: ME by default


  • Smart agriculture
  • Environmental monitoring
  • Smart cities
  • Reliable asset tracking
  • Bridge sensor measurements
  • Smart healthcare
  • Smart homes and buildings
  • Smart metering and industrial control 
  • Supply chain logistics

Board Layout & DImensions Overview

Altitude Tech IronLink NB-IoT Development Board
Published: 2019-11-12 | Updated: 2023-04-18