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Development Kit, Sub-1GHz Transceiver, Based on S2-LP, Ultra Low Power Consumption

STEVAL-FKI915V1 - Development Kit, Sub-1GHz Transceiver, Based on S2-LP, Ultra Low Power Consumption

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STEVAL-FKI915V1   Datasheet
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Product Overview

The STEVAL-FKI915V1 from STMicroelectronics is a Sub-1GHz transceiver development platform based on S2-LP with external FEM. The S2-LP is an ultra low-power, low data rate, sub-1GHz transceiver. It is a S2-LP narrow band ultra-low power sub-1GHz transceiver in a standalone RF module tuned for 860MHz to 940MHz frequency band. This evaluation board is suitable for ISM bands and Wireless M-Bus. The STEVAL-FKI915V1 evaluation board is designed to work in the 860MHz to 940MHz band. The NUCLEO-L152RE board with STM32L low power microcontroller to control the S2-LP device and integrated 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 +27dBm (500mW) output power.
  • STM32 Nucleo 64 development board with STM32L152RE MCU, Skyworks SE2435L FEM
  • Balun, matching network and harmonic filter, suitable for SigFox applications
  • Programmable RF output power up to +27dBm, two rows with Arduino compliant connectors
  • 2-FSK, 2-GFSK, 4-FSK, 4-GFSK, OOK and ASK modulation schemes
  • Air data rate from 0.3 to 500Kbps, SMA connector, EEPROM to store the manufacturing data
  • Ultra-low power consumption (6.7mA RX, 10mA TX at +10dBm)
  • Excellent performance of receiver sensitivity (up to -130dBm), jumper for S2-LP current measurement
  • Low duty cycle, RX / TX operation mode and jumper for Skyworks SE2435L FEM current measurement
  • Automatic acknowledgement, retransmission and timeout protocol engine
  • SPI interface for microcontroller, USB interface, 8MHz high frequency crystal


Communications & Networking


STEVAL-FKI915V1 evaluation board, Documentation, Firmware for STM32L and GUI.

Product Information

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STM32L152RE, S2-LP

RF Transceiver

Development Board S2-LP


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Technical Docs (1)

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