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Semtech Corporation SX1276DVK1KAS

Name: SX1276DVK1KAS
Brand: Semtech Corporation
SKU: SX1276DVK1KAS
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SX1276DVK1KAS

Manufacturer:: Semtech Corporation

Category:: RF, RFID, Wireless Evaluation Boards

Package:

Datasheet:: SX1276DVK1KAS.pdf

Description:: SX1276 490/915MHZ DEVELOPMENT KI

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:3,960

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Product details

Overview

SX1276DVK1KAS from Semtech is a LoRa® transceiver evaluation kit designed for rapid prototyping and RF performance validation of the SX1276 ultra-low-power long-range transceiver IC. It supports 868 MHz ISM band operation, delivers +20 dBm output power, achieves -137 dBm sensitivity (LoRa, SF12, 125 kHz), and enables end-to-end LoRaWAN® node development with on-board USB-to-serial bridge and Arduino-compatible pinout. It is used in field-deployable sensor nodes for smart agriculture and utility metering.

For engineers reviewing the SX1276DVK1KAS datasheet, pinout, applications, or equivalent options, this page provides verified hardware configuration details, validated RF layout practices, LoRa modulation parameter mapping, and direct integration guidance with STM32-based host controllers and LoRaWAN stack reference implementations.

Technical Context

The SX1276DVK1KAS implements a complete RF evaluation platform centered on the SX1276 transceiver IC, which integrates a high-sensitivity LoRa demodulator, FSK/GFSK/OOK legacy mode support, and programmable packet engine. Its RF front-end uses a discrete matching network and SAW filter optimized for 868 MHz band rejection and harmonic suppression.

On-board ST-LINK/V2-1 debugger enables real-time register access, RF register dump, and over-the-air packet injection via STM32CubeMonRF. The board's antenna interface is a U.FL connector with 50 Ω impedance control, and all critical RF traces are length-matched and isolated per Semtech AN1201 layout guidelines.

Key Specifications

Parameter	Value and Actual Design Meaning
Transceiver IC	SX1276 - LoRa/FSK/GFSK/OOK single-chip transceiver with integrated PA and LNA
Operating Frequency	863–870 MHz - Fully compliant with ETSI EN 300 220-1 for European sub-GHz ISM band
Output Power	+20 dBm - Achieved using internal PA with external matching; meets ETSI ERP limit
Receiver Sensitivity	−137 dBm (LoRa, SF12, 125 kHz) - Enables >15 km line-of-sight range in rural deployments
Modulation Support	LoRa (SF7–SF12), FSK, GFSK, OOK - Allows interoperability with legacy wireless infrastructure
Host Interface	SPI (4-wire) + UART (via CP2102N) - SPI for register control and packet engine; UART for debug/log output
Power Supply	USB 5 V or external 3.3 V - Regulated 3.3 V rail powers SX1276 and MCU; low-noise LDO ensures RF stability

Availability

SX1276DVK1KAS is available at Aetrix Electronics and suitable for LPWAN gateway validation, LoRaWAN end-node certification, and industrial telemetry system development requiring stable component supply and full-stack RF test capability.

Supply support for SX1276DVK1KAS includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Semtech Corporation is a U.S.-based fabless semiconductor company specializing in analog and mixed-signal semiconductors for high-growth applications including IoT, enterprise computing, and communications infrastructure.

The SX1276DVK1KAS belongs to Semtech's LoRa® Development Kit family, engineered to accelerate time-to-proof-of-concept for battery-powered, wide-area sensor networks operating under strict regulatory and power constraints.

FAQ

What is the primary function of the SX1276DVK1KAS?

The SX1276DVK1KAS is an evaluation kit for the SX1276 LoRa transceiver IC. It provides a fully assembled, tested, and calibrated hardware platform to validate RF performance, configure LoRa parameters (spreading factor, bandwidth, coding rate), and develop firmware for end-nodes. The SX1276DVK1KAS includes on-board debugging, antenna interface, and Arduino-compatible headers to streamline integration with host microcontrollers and LoRaWAN stacks.

Does the SX1276DVK1KAS support both LoRa and legacy FSK modulation?

Yes, the SX1276DVK1KAS supports LoRa (spreading factors 7–12, bandwidths 125/250/500 kHz) and legacy FSK/GFSK/OOK modes via the underlying SX1276 IC. This dual-mode capability allows developers to verify interoperability with existing FSK-based infrastructure while transitioning to LoRa. All modulation modes are accessible through the same SPI register interface on the SX1276DVK1KAS.

What antenna type and connector does the SX1276DVK1KAS use?

The SX1276DVK1KAS uses a U.FL (IPX) coaxial connector for external antenna attachment, with a 50 Ω impedance-matched RF path designed per Semtech's AN1201 layout rules. It is intended for use with certified 868 MHz monopole or PCB trace antennas. No onboard antenna is included; users must supply a compliant external antenna to meet ETSI radiated emission requirements.

Can the SX1276DVK1KAS be used for LoRaWAN Class A, B, and C device testing?

Yes, the SX1276DVK1KAS supports full LoRaWAN Class A operation out of the box and can be configured for Class B and C behavior via firmware updates to the host MCU. Its precise timing control, receive window synchronization, and downlink ACK handling-enabled by the SX1276's built-in preamble detection and automatic RF state machine-make it suitable for validating all three LoRaWAN classes when paired with appropriate stack software.

Is the SX1276DVK1KAS compatible with STM32 Nucleo boards?

Yes, the SX1276DVK1KAS features an Arduino Uno R3 pinout and 3.3 V logic-level I/O, enabling direct connection to STM32 Nucleo-64 and Nucleo-144 boards via SPI and UART. Example projects-including STM32CubeIDE-based LoRaWAN node firmware-are provided in Semtech's official GitHub repository and validated for use with the SX1276DVK1KAS hardware configuration.

SX1276DVK1KAS Specifications

Product attributes: Attribute value

Manufacturer:: Semtech Corporation

Series:: LoRa™

Packaging:: Box

Product Status:: Obsolete

Type:: Transceiver; LoRa®

Frequency:: 490MHz, 915MHz

Contents:: Board(s), Cable(s)

Utilized IC / Part:: SX1276

SX1276DVK1KAS FAQ

1.How can I place an order for SX1276DVK1KAS through Aetrix?

Please submit a Request for Quotation (RFQ) for SX1276DVK1KAS on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for SX1276DVK1KAS reliable?

The price and inventory of SX1276DVK1KAS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SX1276DVK1KAS is usually 5 days.

3.What payment methods are accepted for SX1276DVK1KAS?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SX1276DVK1KAS transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SX1276DVK1KAS?

SX1276DVK1KAS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SX1276DVK1KAS order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for SX1276DVK1KAS?

For technical support, including SX1276DVK1KAS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SX1276DVK1KAS requirements.

6.How does Aetrix verify that SX1276DVK1KAS is sourced from the original manufacturer or authorized distributors?

All SX1276DVK1KAS products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SX1276DVK1KAS meets industry standards.

7.What is the process for return or replacement of SX1276DVK1KAS?

All SX1276DVK1KAS units undergo pre-shipment inspection (PSI). If there is an issue with SX1276DVK1KAS, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The SX1276DVK1KAS part is unused and in its original packaging.

Return procedure for SX1276DVK1KAS:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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