Altitude Tech IronLink LoRA 915MHz Development Board

Altitude Tech IronLink LoRA® 915MHz Development Board is an industrial Low-Power Long Range - LoRa Technology transceiver based on the Microchip RN2903 module. This transceiver enables devices like sensors and embedded computers to connect to the internet. The IronLink LoRA board complies with the LoRaWAN Class A protocol specifications by integrating RF, baseband controller, and command Application Programming Interface (API) processor. This makes it a complete long-range solution. Altitude Tech IronLink LoRA 915MHz development board features a 902MHz to 928MHz frequency range and FSK, GFSK, and LoRa technology modulations. Applications include automated meter reading, smart agriculture, smart healthcare, Internet of Things (IoT), home and building automation, industrial monitoring and control, and Machine to Machine (M2M).


  • 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 12-bit ADC for sensor add-ons
  • Optional external GPS antenna for a greater range
  • 915MHz Lora antenna
  • Integrated EEPROM
  • HAL software for easy programming
  • USB serial interface for debugging
  • Battery support for 4.2V LiPo's


  • Frequency Band
    • 902MHz to 928MHz
  • Modulation Methods
    • FSK, GFSK, and LoRa technology modulations
  • Max Over-the-Air Data Rate
    • 300kbps with FSK modulation
    • 10937bps with LoRa technology modulation
  • Operation Range
    • Up to 15km coverage at suburban
    • Up to 5km coverage at urban area
  • Sensitivity at 1% PER
    • -146dBm Dependent on modulation settings, Receiver Bandwidth (RBW), and Spreading Factor (SF)
  • RF TX Power
    • Adjustable up to 10dBm on 433MHz band (maximum - limited to meet regulations)
    • 14dBm on the 868MHz band (maximum - TX power is adjustable)


  • Automated meter reading
  • Home and building automation
  • Smart agriculture
  • Wireless alarm and security systems
  • Industrial monitoring and control
  • Supply chain and logistics
  • Machine to Machine (M2M)
  • Internet of Things (IoT)

Board Layout

Altitude Tech IronLink LoRA 915MHz Development Board


Mechanical Drawing - Altitude Tech IronLink LoRA 915MHz Development Board
Published: 2019-11-12 | Updated: 2023-04-18