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The S2-LP is a high performance ultra-low power RF transceiver, intended for RF wireless applications in the sub-1 GHz band. It is designed to operate in both the license-free ISM and SRD frequency bands at 433, 512, 868 and 920 MHz, but can also be programmed to operate at other additional frequencies in the 413-479 MHz, 452-527 MHz, 826-958 MH, 904-1055 MHz bands.
The S2-LP supports different modulation schemes: 2(G)FSK, 4(G)FSK, OOK and ASK. The air data rate is programmable from 0.1 to 500 kbps.
The S2-LP can be used in systems with channel spacing down to 1 kHz enabling the narrow band operations.
The S2-LP shows an RF link budget higher than 140 dB for long communication ranges and meets the regulatory requirements applicable in territories worldwide, including Europe, Japan, China and the USA.主要特性
- Frequency bands:
- 413-479 MHz (S2-LPQTR)
- 452-527 MHz (S2-LPCBQTR)
- 826-958 MHz (S2-LPQTR)
- 904-1055 MHz (S2-LPCBQTR)
- Modulation schemes:
- 2(G)FSK, 4(G)FSK
- OOK, ASK
- Air data rate from 0.1 to 500 kbps
- Ultra-low power consumption:
- 7 mA RX
- 10 mA TX @ +10 dBm
- Excellent performance of receiver sensitivity: down to -130 dBm
- Excellent receiver selectivity and blocking
- Programmable RF output power up to +16 dBm
- Programmable RX digital filter
- Programmable channel spacing
- Fast start-up and frequency synthesizer settling time
- Automatic frequency offset compensation, AGC and symbol timing recovery
- More than 145 dB RF link budget
- Battery indicator and low battery detector
- RX and TX 128 bytes FIFO buffers
- 4-wire SPI interface
- Automatic packet acknowledgment and retransmission
- Embedded timeout protocol engine
- Excellent receiver selectivity (> 80 dB @ 2 MHz)
- ST companion integrated balun/filter chips are available
- Antenna diversity algorithm
- Fully integrated ultra-low power RC oscillator
- Wake-up driven by internal timer or external event
- Digital real time RSSI
- Flexible packet length with dynamic payload length
- Programmable preamble and SYNC word quality filtering and detection
- Embedded CSMA/CA engine based on listen-before-talk systems
- IEEE 802.15.4g hardware packet support with whitening, FEC, CRC and dual SYNC word detection
- Wireless M-BUS supported
- Enables operations in the SIGFOX™ and MONARCH networks
- Suitable to build systems targeting:
- Europe: ETSI EN 300 220, category 1.5 natively compliant, ETSI EN 303 131
- US: FCC part 15 and part 90
- Japan: ARIB STD T67, T108
- China: SRRC
- Operating temperature range: -40 °C to +105 °C
- Frequency bands:
样片和购买
| 产品型号 | 封装 | 包装类型 | 温度（ºC） | 供货状态 | 预算价格(US$) | 数量 | ECCN (US) | Country of Origin | 更多信息 | 从分销商订购 | 从ST订购 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| S2-LPCBQTR | QFN-24L | Tape And Reel | -40 | 105 |
Active
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1.44 | 1000 | EAR99 | - | 查看供货情况 | 立即购买 | |
| S2-LPQTR | QFN-24L | Tape And Reel | -40 | 105 |
Active
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1.44 | 1000 | EAR99 | PHILIPPINES | 查看供货情况 | Get sample | |
(*) 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
精选 视频
With today’s technologies, users can also receive an alert on their phone or a wearable device. ST’s S2-LP, sub-1GHz RF transceiver and the TSU111 operational amplifiers together with STM32 enable such enhanced alarms.
生态系统
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Picture 产品型号 制造商 描述 Maia module WEPTECH elektronik Maia is a single embedded low cost wireless M-Bus RF Module developed specially for the AMR (Automatic Meter Reading) smart metering and smart grid infrastructure where the Wireless M-Bus standard (EN13757-4) and OMS standards are used. RC-S2LP-434 Radio Controlli Ultra Low Power sub 1GHz Multichannels Radio Transceiver module based on ST S2-LP transceiver working @434Mhz. RC-S2LP-868 Radio Controlli Ultra Low Power sub 1GHz Multichannels Radio Transceiver module based on ST S2-LP transceiver working @868Mhz and 915Mhz. RC-S2LP-868-HA Radio Controlli Ultra Low Power sub 1GHz Multichannels Radio Transceiver module based on ST S2-LP transceiver working @868Mhz and 915Mhz with Helical Antenna. RF Modules DiZiC RF modules for Sub GigaHz and Bluetooth. SensiSUB SensiEDGE Connecting low-power SUB 1GHZ RF transceiver to the Cloud with fully customisable sensors, ARM® 32-bit Cortex®-M4 CPU and coin battery. 产品型号Maia is a single embedded low cost wireless M-Bus RF Module developed specially for the AMR (Automatic Meter Reading) smart metering and smart grid infrastructure where the Wireless M-Bus standard (EN13757-4) and OMS standards are used.
Ultra Low Power sub 1GHz Multichannels Radio Transceiver module based on ST S2-LP transceiver working @434Mhz.
Ultra Low Power sub 1GHz Multichannels Radio Transceiver module based on ST S2-LP transceiver working @868Mhz and 915Mhz.
Ultra Low Power sub 1GHz Multichannels Radio Transceiver module based on ST S2-LP transceiver working @868Mhz and 915Mhz with Helical Antenna.
RF modules for Sub GigaHz and Bluetooth.
Connecting low-power SUB 1GHZ RF transceiver to the Cloud with fully customisable sensors, ARM® 32-bit Cortex®-M4 CPU and coin battery.
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Picture 产品型号 制造商 描述 
X-NUCLEO-S2868A1 ST Sub-1 GHz 868 MHz RF expansion board based on S2-LP radio for STM32 Nucleo 产品型号Sub-1 GHz 868 MHz RF expansion board based on S2-LP radio for STM32 Nucleo
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软件
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Picture 产品型号 制造商 描述 
STSW-S2LP-DK ST Evaluation SW package based on S2-LP 
STSW-S2LP-SFX-DK ST Evaluation SW package based on S2-LP 产品型号Evaluation SW package based on S2-LP
Evaluation SW package based on S2-LP
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Picture 产品型号 制造商 描述 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. 产品型号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, 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 产品型号 制造商 描述 
STSW-BNRG-S2LP ST STSW-BNRG-S2LP evaluation software package based on BlueNRG-1 and S2-LP 产品型号STSW-BNRG-S2LP evaluation software package based on BlueNRG-1 and S2-LP
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评估工具
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Picture 产品型号 制造商 描述 
STEVAL-FKI001V1 ST Dual radio BLE and Sub-1GHz development kit for Sigfox™ and LPWAN protocols with BlueNRG-1 and S2-LP 
STEVAL-FKI433V1 ST Sub-1GHz transceiver development kit based on S2-LP 
STEVAL-FKI433V2 ST Sub-1GHz (430-470 MHz) transceiver development kit based on S2-LP 
STEVAL-FKI512V1 ST Sub-1GHz (452-527 MHz) transceiver development kit based on S2-LP 
STEVAL-FKI868V1 ST Sub-1GHz transceiver development kit based on S2-LP 
STEVAL-FKI868V2 ST Sub-1GHz (860-940 MHz) transceiver development kit based on S2-LP 
STEVAL-FKI915V1 ST Sub-1GHz transceiver development kit based on S2-LP 产品型号Dual radio BLE and Sub-1GHz development kit for Sigfox™ and LPWAN protocols with BlueNRG-1 and S2-LP
Sub-1GHz transceiver development kit based on S2-LP
Sub-1GHz (430-470 MHz) transceiver development kit based on S2-LP
Sub-1GHz (452-527 MHz) transceiver development kit based on S2-LP
Sub-1GHz transceiver development kit based on S2-LP
Sub-1GHz (860-940 MHz) transceiver development kit based on S2-LP
Sub-1GHz transceiver development kit based on S2-LP
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支持和应用
| 产品型号 | 供货状态 | 封装 | 等级规格 | 符合RoHS级别 | 材料声明** |
|---|---|---|---|---|---|
| S2-LPCBQTR |
Active
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QFN-24L | 工业 | Ecopack3 |
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| S2-LPQTR |
Active
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QFN-24L | 工业 | Ecopack3 |
(**) 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.
