Elecrow nRFLR1262 Wireless Transceiver Module - nRF52840 & SX1262
Elecrow nRFLR1262 Wireless Transceiver Module - nRF52840 & SX1262 - Image 2
SKU: IOWC-0095
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Elecrow nRFLR1262 Wireless Transceiver Module - nRF52840 & SX1262

₹1,349.00 (Inclusive of all taxes)
Out of Stock

The Elecrow nRFLR1262 is a compact, ultra-low-power wireless module integrating the Nordic Semiconductor nRF52840 SoC and Semtech SX1262 transceiver, supporting dual-mode LoRa/LoRaWAN (850-930MHz) and Bluetooth 5.3 connectivity for long-range IoT deployments.

Features

  • Dual Wireless SoC: Combines Nordic Semiconductor nRF52840 (Bluetooth 5.3, Zigbee, Thread) with Semtech SX1262 LoRa transceiver for versatile connectivity.
  • Ultra-Low Power Operation: Achieves a sleep current as low as 5 µA, ideal for battery-powered remote sensor nodes.
  • Long-Range LoRa Communication: Supports up to +20dBm output power and a link budget of 170 dB for ranges up to 10 km in open areas.
  • Global Frequency Support: Operates across the 850–930 MHz ISM band, compatible with LoRaWAN Class A, B, and C protocols.
  • Rich Development Interface: Features built-in AT command firmware, SDK support, and multiple GPIOs (UART, I2C, SPI, ADC) for rapid prototyping.

Out of stock

Description

The Elecrow nRFLR1262 module is engineered for developers requiring robust, multi-protocol wireless connectivity in a miniature form factor. Its core architecture pairs the powerful, multi-radio nRF52840 Cortex-M4F microcontroller with the energy-efficient Semtech SX1262 sub-GHz LoRa transceiver. This integration enables seamless switching between short-range mesh networks (Bluetooth 5.3, Zigbee, Thread) and long-range, low-data-rate LoRaWAN communication, all managed from a single chipset.

Designed for extreme environments and power-sensitive applications, the module operates from 1.8V to 3.7V and maintains functionality from -40°C to +85°C. Its high RF sensitivity of -125.5 dBm maximizes the effective communication range, making it suitable for sprawling IoT networks in agriculture, smart cities, and industrial telemetry. The module’s comprehensive peripheral set, including NFC, SPI, and ADC inputs, provides extensive expandability for sensor integration.

Key Features

  • Integrated Dual-Core Wireless: Nordic Semiconductor nRF52840 SoC handles Bluetooth 5.3, BLE Mesh, Thread, Zigbee, and NFC, while the dedicated Semtech SX1262 manages LoRa/LoRaWAN communication.
  • Ultra-Low Power Profile: Engineered for battery longevity with a deep sleep current of just 5 µA and efficient active-mode power management.
  • High-Performance LoRa Transceiver: Delivers up to +20 dBm transmit power with a robust 170 dB link budget and programmable data rates from 0.018 to 62.5 kbps.
  • Global Regulatory Compliance: Supports the 850-930 MHz frequency band for worldwide LoRaWAN deployment and carries FCC, CE, and RoHS certifications.
  • Comprehensive Development Support: Ships with pre-loaded AT command firmware for out-of-the-box use and provides full SDK access for custom embedded application development.
  • Industrial-Grade Reliability: Rated for continuous operation across an extended temperature range of -40°C to +85°C, ensuring stability in harsh conditions.
  • Rich Hardware Interfaces: Exposes multiple GPIOs supporting UART, I2C, SPI, ADC, and NFC, enabling direct connection to a wide array of sensors and peripherals.

Applications

  • Long-Range Environmental Monitoring: Deploy for soil moisture, weather station, and air quality sensing in smart agriculture.
  • Asset Tracking & Fleet Management: Combine LoRa GPS data with BLE for hybrid indoor/outdoor tracking of vehicles and equipment.
  • Smart City Infrastructure: Enable streetlight control, waste management sensors, and parking space monitoring over LoRaWAN networks.
  • Industrial IoT (IIoT) Telemetry: Monitor tank levels, machine health, and energy consumption in remote industrial facilities.
  • Wireless Sensor Networks: Create scalable mesh networks for building automation, security, and medical device connectivity.

Technical Specifications

Microcontroller/SoCNordic Semiconductor nRF52840 (Cortex-M4F)
LoRa TransceiverSemtech SX1262
Wireless ProtocolsLoRa/LoRaWAN, Bluetooth 5.3, BLE Mesh, Thread, Zigbee, NFC
Frequency Range850–930 MHz (LoRa), 2.4 GHz (Bluetooth/Zigbee)
RF Transmit PowerUp to +20 dBm (LoRa)
Receiving Sensitivity-125.5 dBm (LoRa)
Supply Voltage1.8 V - 3.7 V
Sleep Current5 µA (typical)
InterfacesUART, I2C, SPI, ADC, GPIO, NFC, SWD (Debug)
Antenna ConnectorIntegrated PCB antenna or external via matching network
Operating Temperature-40°C to +85°C
Dimensions20 mm x 20 mm x 3.5 mm

Frequently Asked Questions

How do I configure the nRFLR1262 module for LoRaWAN communication?

The module includes built-in AT commands for configuration. Connect via a UART interface (default baud rate 115200) and use commands like AT+LORAWAN to set parameters such as frequency band (EU868/US915), DevEUI, AppEUI, and AppKey. You must first select the LoRa mode using AT+MODE=LORA before joining a LoRaWAN network like The Things Stack via OTAA or ABP activation methods.

What development environments are supported for programming the nRF52840 core?

You can develop custom firmware using the Nordic Semiconductor nRF5 SDK or the nRF Connect SDK (with Zephyr RTOS) within Segger Embedded Studio, VS Code, or PlatformIO. For Arduino-based prototyping, the module is compatible with the Arduino Core for nRF52. Debugging and flashing are performed through the exposed SWD (Serial Wire Debug) interface using a Segger or ST-Link programmer.

What antenna should I use and how is it connected?

The module typically uses an integrated PCB antenna. For an external antenna to maximize LoRa range, you must solder a wire to the RF pad and implement a proper matching network (detailed in the datasheet). Use a 868/915MHz LoRa-specific antenna (e.g., a 3dBi whip) with the correct connector. Ensure the antenna impedance is 50 ohms to match the SX1262 transceiver's output for optimal RF performance and regulatory compliance.

What is the power supply requirement and how do I achieve the 5 µA sleep current?

Supply a stable voltage between 1.8V and 3.7V to the VCC pin. To achieve the ultra-low 5 µA sleep current, your firmware must put the nRF52840 into System OFF mode and the SX1262 into deep sleep via specific GPIO control sequences. Simply halting the main loop is insufficient. Refer to the Nordic Semiconductor Power Profiler Kit and application notes for optimizing periodic wake-up cycles and peripheral shutdown in your code.

Package Includes

  • 1 x Elecrow nRFLR1262 Wireless Transceiver Module

Additional Information

Weight 0.005 kg
Dimensions 2 × 2 × 0.35 cm

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