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  • X1278 LoRa Module Operating in Extreme Environments
  • Applications of SX1278 LoRa Module in Agriculture, Security, and Industry
  • SX1278 LoRa Wireless Module (Ra-02) with SPI Interface - 433MHz Frequency
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SX1278 LoRa 433MHz Ra-02 Wireless Spread Spectrum Transceiver Module

$4.00 USD
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About the Product

SX1278 LoRa Wireless Module (Ra-02) 433MHz with SPI Interface

The SX1278 LoRa Wireless Module (Ra-02) is a high-performance, long-range communication module that operates on the 433MHz frequency. Designed for IoT and low-power wireless applications, it offers excellent signal stability and range with the ability to reach up to 15km in open environments. The module integrates seamlessly into microcontroller-based systems through its SPI interface, providing easy communication for various industrial, agricultural, and environmental use cases.

Key Features:

  • Long-Range Communication: Achieve up to 15km of transmission range in open areas for applications like smart cities and environmental monitoring.
  • SPI Interface: Easily integrates with microcontrollers and embedded systems for flexible data transmission.
  • Low Power Consumption: With power consumption as low as 1.6mA in standby mode, the module is ideal for battery-powered solutions with long runtimes.
  • High Output Power: Provides reliable data transmission with a maximum output power of 18dBm.
  • Wide Frequency Range: Operates within 410–525 MHz, supporting versatile communication protocols.
  • Built-in Antenna Connector: Features an IPEX antenna interface for antenna customization to suit various needs.
  • Environmental Resistance: Designed to operate between -35°C to 85°C, with a storage range of -40°C to 90°C.
  • Secure Communication: Ensures reliable and secure transmission with a maximum data rate of 300Kbps.


Product Specifications:

Parameter Value
Model SX1278 (Ra-02)
Frequency Range 410–525 MHz
Transmission Rate Up to 300Kbps
Maximum Output Power 18 ± 1 dBm
Power Supply 2.5V ~ 3.7V (typical: 3.3V)
Operating Temperature -35°C ~ 85°C
Storage Temperature -40°C ~ 90°C
Current Consumption 433MHz (TX): 93mA, 433MHz (RX): 12.15mA, Standby: 1.6mA
Antenna Type IPEX
Interface SPI


Application Scenarios:

  • Industrial Manufacturing: Improve communication in industrial environments with reduced wiring and increased operational efficiency.
  • Smart Homes: Integrate into IoT devices to provide efficient communication in home automation systems.
  • Agricultural Automation: Monitor environmental conditions such as weather and soil moisture over long distances.
  • Security Systems: Provides reliable and long-range communication for security and surveillance systems.
Shipping & Customs

United States (DDP):
Orders shipped to the US are delivered DDP (Delivered Duty Paid). All customs duties, import taxes, and fees are included — no additional charges on delivery.

International (outside the US):
Orders ship from China. Depending on your country, local customs authorities may apply import duties or taxes. Any such fees are set by your local authorities and are not included in the product price.

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