The iM980B-L is a compact and low-cost radio module that operates in the unlicensed 915 MHz band and combines a powerful Cortex® M3 controller with the LoRa® transceiver of Semtech® Corporation.

iM980B supports the following frequency bands: US915, AU915 and AS923 (on request)

The iM980B has received Federal Communications Commission (FCC) CFR47 Telecommunications, Part 15 Subpart C modular approval in 902-928 ISM band.

Additionally, iM980B can integrate the LoRaWAN® application on the MCU of our module using the open source code on Github or our LoRaWAN Library (on request).

iM980B 915 MHz LoRa® radio module
It’s available with Prolink LoRaWAN® stack:
iM980B supported countries with US915, AU915 and AS923 freq. bands:

The LoRaWAN® protocol stack, specified by the LoRa Alliance®, enables Low Power Wide Area Networks (LPWANS) for Internet of Things applications.

In addition, the ProLink LoRaWAN® fw adds a proprietary device to device communication to the standard LoRaWAN® FW.

Please refer to the download section.

iM980B supported countries

LoRaWAN® development software

To make the implementation of the application on the MCU of the IMST’s LoRa® modules easier, our devices support the following development tools:

  • LoRaWAN® Library (on request): designed to support the development of LoRaWAN® applications integrated into the IMST’s radio modules. It guarantees a successful LoRaWAN® communication as well as handling of GPIOs, software timer, USART interface, EEPROM access…
  • GitHub: reference implementation available as open source code developed by Semtech Corporation.
  • Automated Meter Reading
  • Home and Building Automation
  • Wireless Alarm and Security Systems
  • Industrial Monitoring and Control
  • Long Range Irrigation Systems
  • IoT (Internet of Things)
  • Smart Cities
Frequency rangeISM Band 902 to 928 MHz
ModulationLoRa® Spread-Spectrum
RF output powerup to +17.5 dBm (50Ω pad)
Receiver sensitivity-137.5 dBm (SF 12; SB 125 kHz, CR 4/6)
-134 dBm (SF 12; SB 250 kHz, CR 4/6)
-128 dBm (SF 12; SB 500 kHz, CR 4/6)
RF datarate0.980 to 12.5 kbps LoRa® modulation
RF rangeup to 15000 m (line of sight)
Operating voltage2.4 V to 3.6 V
Current consumption< 1.8 μA (module in sleep, RTC running)
13 mA (Rx)
122 mA (Tx @ 3.0 V/ +20 dBm)
InterfacesUART
SPI*
I²C*
RF (LoRa®)
IOsDigital IOs
Analog Inputs
Dimension (LxWxH)20 x 25 x 3.3 mm
Operating temperature-40°C to +85°C
CertificationThe module complies with Part 15 of the FCC Rules
LoRaWAN® certified

WiMOD LoRaWAN® EndNode Studio


The WiMOD LoRaWAN® EndNode Studio is a Windows application which allows to explore the capabilities of the WiMOD LoRaWAN® EndNode firmware. The GUI offers a comfortable way to configure and control the features of the embedded radio stack.

Playlist: WiMOD LoRaWAN® EndNode Studio
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