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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
Sample & Buy
| Part Number | Core Product | Marketing Status | ECCN (US) | Country of Origin | Budgetary Price (US$)*/Qty | Order from ST | Order from Distributors |
|---|---|---|---|---|---|---|---|
| STEVAL-FKI915V1 | S2-LP | Active | EAR99 | ITALY | 74.0 / 1 | Check Availability |
STEVAL-FKI915V1
Core Product
S2-LPMarketing Status
ActiveBudgetary Price (US$)*/Qty
74.0 / 1(*) 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
Embedded Software
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Picture Part number Manufacturer Description 
STSW-S2LP-DK ST Evaluation SW package based on S2-LP 
STSW-S2LP-SFX-DK ST Evaluation SW package based on S2-LP Part NumberEvaluation SW package based on S2-LP
Evaluation SW package based on S2-LP
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Picture Part number Manufacturer Description Sigfox Connectivity Sigfox Sigfox IoT connectivity feed your innovation strategy and make the digital transformation of your business a reality. Sigfox IoT connectivity brings value in various business activities. With the continued miniaturization of sensors and technologic advancements such as energy harvesting, we will witness a continuous ow of data, merging the physical world to the digital world. Sigfox Geolocation Sigfox Sigfox Geolocation, the simplest and most efficient IoT location service. Sigfox Geolocation is a low-energy location service for all devices equipped with the simplest Sigfox module, without GPS. There is no need to retrofit to upgrade specific hardware, or to update software: Sigfox can now provide a location for all existing and future devices all over the world. Part NumberSigfox IoT connectivity feed your innovation strategy and make the digital transformation of your business a reality. Sigfox IoT connectivity brings value in various business activities. With the continued miniaturization of sensors and technologic advancements such as energy harvesting, we will witness a continuous ow of data, merging the physical world to the digital world.
Sigfox Geolocation, the simplest and most efficient IoT location service. Sigfox Geolocation is a low-energy location service for all devices equipped with the simplest Sigfox module, without GPS. There is no need to retrofit to upgrade specific hardware, or to update software: Sigfox can now provide a location for all existing and future devices all over the world.
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Picture Part number Manufacturer Description 
STSW-BNRG-S2LP ST STSW-BNRG-S2LP evaluation software package based on BlueNRG-1 and S2-LP Part NumberSTSW-BNRG-S2LP evaluation software package based on BlueNRG-1 and S2-LP
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| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | WEEE Compliant | Material Declaration** |
|---|---|---|---|---|---|---|
| STEVAL-FKI915V1 | Active | CARD | Industrial | Ecopack2 | - | |
STEVAL-FKI915V1
Package:
CARDMaterial Declaration**:
(**) 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.
