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Semtech Corporation SX1272MB2DAS

Name: SX1272MB2DAS
Brand: Semtech Corporation
SKU: SX1272MB2DAS
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SX1272MB2DAS

Manufacturer:: Semtech Corporation

Category:: RF, RFID, Wireless Evaluation Boards

Package:

Datasheet:: SX1272MB2DAS.pdf

Description:: LORA 868/915MHZ BAND MBED SHIELD

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:3,014

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Product details

Overview

SX1272MB2DAS from Semtech is an 868/915 MHz LoRa™ transceiver evaluation board featuring the SX1272 IC, integrated +14 dBm RF power amplifier, on-board antenna matching network, and mbed-compatible pinout. It supports ultra-long-range spread-spectrum communication with -137 dBm sensitivity, operates via SPI up to 10 Mbps, and targets low-power IoT sensor node development.

For engineers reviewing the SX1272MB2DAS datasheet, pinout, applications, or equivalent options, key selection considerations include its pre-tuned 868/915 MHz RF front-end, mbed library support, DIOx interrupt mapping for LoRa packet handling, and compatibility with ARM mbed-enabled microcontrollers in LPWAN prototyping.

Technical Context

The SX1272MB2DAS implements the SX1272 transceiver IC in a ready-to-use hardware module form, with fixed RF tuning for 868 MHz (EU) and 915 MHz (US) ISM bands. Its RF output is limited to +14 dBm to comply with regional regulatory limits while maintaining LoRa™ link budget advantage.

Control is exclusively over SPI (SCK/D13, MOSI/D11, MISO/D12, NSS/D10), with six dedicated DIO pins (D2–D5, A0) routed for packet status, sync detection, and reset signaling - enabling autonomous LoRa packet reception without continuous host polling.

Key Specifications

Parameter	Value and Actual Design Meaning
RF Band	868 MHz and 915 MHz ISM bands - pre-matched for EU and US regulatory compliance without external tuning.
Output Power	+14 dBm - optimized for regulatory-constrained long-range operation with minimal PCB layout sensitivity.
Receiver Sensitivity	−137 dBm @ 125 kHz LoRa™ - enables sub-GHz link budgets exceeding 155 dB in real-world rural deployments.
SPI Interface	Up to 10 Mbps - supports fast register access and high-throughput packet buffering for burst-mode sensor reporting.
DIO Pins	6 dedicated interrupt outputs (DIO0–DIO3, NRESET, A0) - offloads timing-critical LoRa state transitions from host MCU firmware.
mbed Compatibility	Direct pin mapping to mbed LPC1768/LPC11U24 headers - enables immediate use of Semtech's official SX1272 mbed libraries.

Availability

SX1272MB2DAS is available at Aetrix Electronics and suitable for LPWAN sensor node development, smart metering field trials, and industrial telemetry gateways requiring stable component supply and rapid prototyping capability.

Supply support for SX1272MB2DAS 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 infrastructure, IoT, and sensing applications.

The SX1272MB2DAS belongs to Semtech's Wireless & Sensing Products division and was designed as a reference hardware platform to accelerate LoRa™-based end-node development for certified regional frequency bands.

FAQ

What is the SX1272MB2DAS used for?

The SX1272MB2DAS is a hardware evaluation board built around the SX1272 LoRa™ transceiver IC. It provides a fully tuned 868/915 MHz RF front-end with integrated antenna matching, making it ideal for rapid prototyping of battery-powered IoT sensors and gateways. The SX1272MB2DAS simplifies RF design validation by eliminating external balun and filter layout requirements.

Does the SX1272MB2DAS require external RF components?

No - the SX1272MB2DAS integrates all critical RF matching components for 868 MHz and 915 MHz operation, including balun, bandpass filtering, and antenna interface network. Users connect only a 3.3 V supply, ground, SPI lines, and DIO signals; no additional RF circuitry is needed to achieve certified performance.

Is the SX1272MB2DAS compatible with ARM mbed platforms?

Yes - the SX1272MB2DAS features a standardized mbed pinout (SCK/D13, MOSI/D11, MISO/D12, NSS/D10, DIO0/D2, etc.) and is supported by Semtech's official mbed libraries. This allows direct integration with mbed-enabled development boards like the FRDM-K64F or NUCLEO-F401RE without adapter hardware or pin remapping for the SX1272MB2DAS.

What is the maximum RF output power of the SX1272MB2DAS?

The SX1272MB2DAS delivers +14 dBm output power, fixed and calibrated for both 868 MHz and 915 MHz bands. This value reflects the peak conducted power at the antenna port under standard test conditions and complies with ETSI EN 300 220 and FCC Part 15.247 emission limits for the SX1272MB2DAS.

Can the SX1272MB2DAS operate in FSK mode?

Yes - the underlying SX1272 IC on the SX1272MB2DAS supports high-performance (G)FSK modulation in addition to LoRa™, enabling interoperability with legacy WMBus and IEEE 802.15.4g systems. All FSK configuration registers and timing parameters remain fully accessible via the SPI interface on the SX1272MB2DAS.

SX1272MB2DAS Specifications

Product attributes: Attribute value

Manufacturer:: Semtech Corporation

Series:: -

Packaging:: Bulk

Product Status:: Active

Type:: Transceiver; LoRa®

Frequency:: 868MHz, 915MHz

Contents:: Board(s)

Utilized IC / Part:: SX1272

SX1272MB2DAS FAQ

1.How can I place an order for SX1272MB2DAS through Aetrix?

Please submit a Request for Quotation (RFQ) for SX1272MB2DAS 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 SX1272MB2DAS reliable?

The price and inventory of SX1272MB2DAS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SX1272MB2DAS is usually 5 days.

3.What payment methods are accepted for SX1272MB2DAS?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SX1272MB2DAS transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SX1272MB2DAS?

SX1272MB2DAS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SX1272MB2DAS 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 SX1272MB2DAS?

For technical support, including SX1272MB2DAS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SX1272MB2DAS requirements.

6.How does Aetrix verify that SX1272MB2DAS is sourced from the original manufacturer or authorized distributors?

All SX1272MB2DAS 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 SX1272MB2DAS meets industry standards.

7.What is the process for return or replacement of SX1272MB2DAS?

All SX1272MB2DAS units undergo pre-shipment inspection (PSI). If there is an issue with SX1272MB2DAS, 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 SX1272MB2DAS part is unused and in its original packaging.

Return procedure for SX1272MB2DAS:

1.Submit a request within 90 days.

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

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