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The STEVAL-FKI868V2 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-L053R8 motherboard is equipped with an STM32L0 low power microcontroller to control the S2-LP.
Key Features
- S2-LP narrow band ultra-low power sub-1GHz transceiver in a standalone RF Module tuned for 860-940 MHz frequency bands
- STM32 Nucleo-64 development board with STM32L0 MCU
- Suitable for Wireless M-Bus systems
- Associated S2-LP development kit including, documentation, firmware for STM32L and GUI
- Programmable RF output power up to +16 dBm
- Modulation schemes: 2-FSK, 2-GFSK, 4-FSK, 4-GFSK, OOK, and ASK
- Air data rate from 0.3 to 500 kbps
- Ultra-low power consumption:
- 6.7 mA RX
- 10 mA TX @ +10 dBm
- 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
Development Tools
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Picture Part number Manufacturer Description 
ST-LINK/V2 ST ST-LINK/V2 in-circuit debugger/programmer for STM8 and STM32 Part NumberST-LINK/V2 in-circuit debugger/programmer for STM8 and STM32
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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 
STSW-WMBUS-GUI ST GUI for wireless M-Bus stack evaluation of ST Sub-1GHz devices Part NumberEvaluation SW package based on S2-LP
Evaluation SW package based on S2-LP
GUI for wireless M-Bus stack evaluation of ST Sub-1GHz devices
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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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Evaluation Tools
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Picture Part number Manufacturer Description 
NUCLEO-L053R8 ST STM32 Nucleo-64 development board with STM32L053R8 MCU, supports Arduino and ST morpho connectivity Part NumberSTM32 Nucleo-64 development board with STM32L053R8 MCU, supports Arduino and ST morpho connectivity
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | WEEE Compliant | Material Declaration** |
|---|---|---|---|---|---|---|
| STEVAL-FKI868V2 |
Active
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CARD | Industrial | Ecopack2 | - |
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STEVAL-FKI868V2
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.
Sample & Buy
| Part Number | Order from Distributors | Order from ST | Core Product | Marketing Status | Supplier | ECCN (US) | ECCN (EU) | Country of Origin | Budgetary Price (US$)*/Qty | |
|---|---|---|---|---|---|---|---|---|---|---|
| STEVAL-FKI868V2 | 6 distributors | Buy now | S2-LP; STM32L0 |
Active
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ST | 3A991A2 | NEC | ITALY | 69.0 / 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
