SKU: IOWC-1412
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DFRobot FireBeetle LoRa Radio 433MHz Module w/ Antenna

₹1,579.00 (Inclusive of all taxes)
Out of Stock

The DFRobot FireBeetle LoRa Radio 433MHz is a low-power wireless expansion module based on the SX127x chipset, designed for Arduino-compatible IoT projects requiring long-range, sub-GHz communication with minimal energy consumption.

Features

  • High-performance SX127x LoRa transceiver operating in the 433MHz ISM band for extended communication range.
  • Ultra-low power consumption with sleep current below 1µA, ideal for battery-powered remote sensors and trackers.
  • Built-in power amplifier provides up to 20dBm (100mW) output power for robust signal transmission.
  • SPI interface and Arduino compatibility enable rapid integration with FireBeetle mainboards and other microcontrollers.
  • Package includes IPEX spring antenna and SMA connector for flexible antenna deployment options.

Out of stock

Description

The DFRobot FireBeetle Covers-LoRa Radio 433MHz module is engineered for developers building long-range, low-power Internet of Things networks. It leverages Semtech’s SX127x transceiver chip, which supports both LoRa modulation for maximum range and sensitivity, and traditional FSK/GFSK for higher data rates. This makes it versatile for applications from remote telemetry to automated control systems.

Designed as an expansion cover for the FireBeetle ecosystem, it connects via SPI and is fully compatible with the Arduino IDE, simplifying firmware development. Its exceptional power efficiency, with a deep sleep current under 1µA, allows for years of operation on small batteries when paired with a suitable microcontroller. The module includes essential RF components like an IPEX antenna and SMA connector, providing a complete solution for prototyping and deployment.

Key Features

  • Core SX127x LoRa transceiver chipset for reliable long-distance communication.
  • Supports multiple modulation schemes: LoRa, FSK, GFSK, and OOK for protocol flexibility.
  • Integrated power amplifier (PA) boosts output power up to 20dBm for enhanced signal penetration.
  • Ultra-low sleep and operating currents maximize battery life in field deployments.
  • SPI digital interface ensures fast, reliable communication with host microcontrollers.
  • Compact form factor (58x29mm) designed to seamlessly stack with FireBeetle main boards.
  • Includes both IPEX and SMA antenna connectors for versatile RF front-end design.
  • Wide operating temperature range (-20°C to +70°C) suitable for industrial and outdoor environments.

Applications

  • Remote environmental monitoring sensors for agriculture (soil moisture, weather stations).
  • Long-range home and industrial automation (smart lighting, security alerts, tank level monitoring).
  • Low-power asset tracking and wildlife telemetry devices.
  • Wearable health monitors and emergency notification systems.
  • Building decentralized, peer-to-peer sensor networks and mesh systems.

Technical Specifications

Microcontroller/SoCSX127x LoRa Transceiver
Wireless ProtocolsLoRa, FSK, GFSK, OOK
Frequency Range433MHz
RF Transmit Power≤20 dBm
RF Sensitivity-139 dBm (LoRa)
Supply Voltage3.3V
Operating Current (Tx)≤120 mA
Sleep Current≤1 µA
InterfacesSPI
Antenna ConnectorIPEX & SMA (Adapter Included)
Operating Temperature-20°C to +70°C
Dimensions58mm x 29mm

Frequently Asked Questions

How do I connect this LoRa module to an Arduino or FireBeetle main board?

Connect the module via SPI pins (MISO, MOSI, SCK) and a dedicated chip select (CS) line to your microcontroller. Use the provided pin headers to solder or plug directly onto compatible FireBeetle boards. Ensure you also connect the 3.3V power and GND pins. Popular Arduino libraries like RadioHead or Sandeep Mistry's LoRa library can then be used for programming.

What is the maximum range I can achieve with this 433MHz LoRa module?

Range depends heavily on environment, antenna, and data rate. In open rural areas with a proper antenna, ranges of several kilometers are achievable. Using the slowest LoRa spreading factor maximizes sensitivity (-139 dBm) and range. Urban settings with obstacles will reduce this distance. Always use an external antenna mounted high and clear for best performance.

Can this module be used with LoRaWAN networks like The Things Network (TTN)?

Yes, this SX127x-based module is a standard LoRa transceiver and can be programmed as a LoRaWAN end-device. You will need to implement a LoRaWAN stack (e.g., Arduino LMIC library) on your host microcontroller. Ensure your firmware configures the correct frequency plan (433MHz EU or AS bands) and uses the appropriate LoRaWAN regional parameters for joining a network server.

What are the power requirements, and how do I minimize current for battery operation?

The module requires a stable 3.3V supply. During transmission at full power, expect peaks up to 120mA. In sleep mode, current drops below 1µA. To maximize battery life, design your firmware to keep the module in sleep mode as long as possible, waking only for brief transmission windows. Use a low-quiescent current voltage regulator and consider a high-capacity lithium battery.

Package Includes

  • 1 x FireBeetle Covers-LoRa Radio 433MHz Module
  • 2 x 18-pin 2.54mm Pin Headers
  • 2 x 18-pin 2.54mm Long Pin Headers
  • 1 x 433MHz Spring Antenna (IPEX connector)
  • 1 x SMA-KE Antenna Connector

Additional Information

Weight 0.02 kg
Dimensions 5.8 × 2.9 cm