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S2-LP based sub-GHz transceiver development kit

STEVAL-FKI433V1

Overview

The STEVAL-FKI433V1 evaluation board is based on the S2-LP sub-1 GHz ultra-low power, low data-rate transceiver suitable for ISM bands and Wireless M-Bus.

The motherboard is 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.

Main features

S2-LP narrow band ultra-low power sub-1 GHz transceiver in a standalone RF Module tuned for 430 - 470 MHz frequency bands
STM32 Nucleo 64 development board with STM32L152RE 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

Design Files

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-05-10 04:55:37

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