Sub-1GHz transceiver development kit based on S2-LP

The STEVAL-FKI915V1 evaluation board is based on the S2-LP sub-1GHz ultra-low power low data-rate transceiver suitable for ISM bands and Wireless M-Bus.

The NUCLEO-L152RE main board with an STM32L low power MCU controls the S2-LP and integrates the ST-LINK/V2-1 debugger and programmer for firmware updating.

The STEVAL-FKI915V1 includes an external power amplifier from SkyWorks®, which allows the application to reach +27 dBm (500 mW) output power.

Key Features

  • S2-LP narrow band ultra-low power Sub-1GHz transceiver in a standalone RF Module tuned for 860-940 MHz frequency bands with external power amplifier
  • STM32 Nucleo-64 development board with STM32L152RE MCU
  • Suitable for Wireless M-Bus systems
  • Suitable for SigFox applications
  • Associated S2-LP development kit including, documentation, firmware for STM32L and GUI
  • Programmable RF output power up to +27 dBm
  • Modulation schemes: 2-FSK, 2-GFSK, 4-FSK, 4-GFSK, OOK, and ASK
  • Air data rate from 0.3 to 500 kbps
  • Excellent performance of receiver sensitivity (up to -130 dBm)
  • Low duty cycle RX/TX operation mode
  • Automatic acknowledgement, retransmission, and timeout protocol engine
  • SPI interface for microcontroller
  • USB interface
  • RoHS compliant

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Resources

Technical Documentation

Product Specifications
Description Version Size
DB3157 DB3157: Sub-1GHz transceiver development kit based on S2-LP 2.0 253 KB
User Manuals
Description Version Size
UM2149 UM2149: Getting started with the S2-LP development kits 3.0 1 MB

Hardware Resources

Board Manufacturing Specifications
Description Version Size
STEVAL-FKI915V1 gerber files 1.2 176 KB
Bill of Materials
Description Version Size
STEVAL-FKI915V1 BOM 1.0 30 KB
Schematic Pack
Description Version Size
STEVAL-FKI915V1 schematics 1.0 230 KB

Legal

License Agreement
Description Version Size
Evaluation products license agreement 1.4 128 KB

Tools and Software

Embedded Software
Evaluation Tool Software
Support & Community

Sample & Buy

Part Number Core Product Marketing Status Unit Price (US$) * Quantity ECCN (EU) ECCN (US) Country of Origin More info Order from ST Order from Distributors
STEVAL-FKI915V1 S2-LP Active 69.83 - NEC EAR99 ITALY MORE INFO Buy Direct Add to cart DISTRIBUTOR AVAILABILITY
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(*) 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

Quality & Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STEVAL-FKI915V1 ActiveCARDIndustrialEcopack2
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(**) The Material Declaration forms available on st.com 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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