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SPIRIT1- low data rate transceiver - 868 MHz - DAUGHTER BOARD - range extender
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The STEVAL-IKR001V8D demonstration board is based on the SPIRIT1, a sub GHz low power, low data rate transceiver suitable for ISM bands and wireless M-BUS systems.

The STEVAL-IKR001V8D includes an external power amplifier from SkyWorks®, which allows the application to reach +27 dBm (500 mW) output power.

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Data Brief

Key Features

  • SPIRIT1 low power sub GHz transceiver in a standalone RF module tuned for 868 MHz band with external power amplifier
  • Associated SPIRIT1 development kit, including documentation, firmware for STM32L and GUI
  • Suitable for wireless M-BUS systems
  • Modulation schemes: 2-FSK, GFSK, MSK, GMSK, OOK, and ASK
  • Air data rate from 1 to 500 kbps
  • TCXO for narrow band requirements
  • Max POUT +27 dBm
  • Excellent receiver sensitivity (up to -123 dBm)
  • TX power consumption @ +27 dBm: 350 mA
  • SAW filter in reception path to prevent interference from out-of-band signals
  • SkyWorks®SEXXXXSL power amplifier
  • Low duty cycle RX/TX operation mode
  • Automatic acknowledgment, re-transmission and timeout protocol engine
  • AES 128-bit encryption co-processor
  • SPI interface for microcontroller
  • RoHS compliant


Design Resources


Technical Documentation

Product Specifications

Description Version Size
DB1907: SPIRIT1- low data rate transceiver - 868 MHz - daughterboard - range extender
2.0 224 KB

User Manual

Description Version Size
UM1759: Wireless M-Bus firmware and application
1.0 7,076 KB

Hardware Resources

Board Manufacturing Specification

Description Version Size
STEVAL-IKR001V8D gerber files
335 KB

Bill of Materials

Description Version Size
203 KB

Schematic Pack

Description Version Size
STEVAL-IKR001V8D schematic
2.0 76 KB

Related Tools and Software

Related Tools and Software

Part Number Description
STEVAL-IKR002V4B SPIRIT1 - low data rate transceiver - 868 MHz - DAUGHTER BOARD - integrated balun
STEVAL-IKR002V1 SPIRIT1 - Low Data Rate Transceiver - 169 MHz - FULL KIT
STEVAL-IKR002V3 SPIRIT1 - Low Data Rate Transceiver - 433 MHz - FULL KIT
STEVAL-IKR002V4 SPIRIT1 - Low Data Rate Transceiver - 868 MHz - FULL KIT
STEVAL-IKR002V5 SPIRIT1 - Low Data Rate Transceiver - 915 MHz - FULL KIT
STEVAL-IKR002V1D SPIRIT1 - Low Data Rate Transceiver - 169 MHz - DAUGHTER BOARD
STEVAL-IKR002V2D SPIRIT1 - Low Data Rate Transceiver - 315 MHz - DAUGHTER BOARD

Sample & Buy

Part Number Marketing StatusCore ProductOrder From STUnit Price (US$)*
@ 1
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STEVAL-IKR001V8DActiveSPIRIT1Buy Direct221.72Distributor reported inventory date: 2014-11-28
Distributor NameRegionStockMin. order

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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