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LoRa Ra-02 Series Spread Spectrum Wireless Transmission Module

SKU: RQ00WZ1AY4
The LoRa Ra-02 Series Wireless Transmission Module is a high-performance long-range RF communication module based on the Semtech SX1278 LoRa transceiver chip. Utilizing LoRa (Long Range) spread spectrum modulation technology, the module enables reliable wireless communication over several kilometers while maintaining extremely low power consumption. The Ra-02 module operates in the 433MHz frequency band and is widely used in Internet...
Rs. 499.00
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Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Module Model: Ra-02
RF Chip: SX1278
Operating Frequency: 433MHz
Modulation Technology: LoRa Spread Spectrum (CSS)
Communication Interface: SPI
Supply Voltage: 1.8V – 3.7V DC
Recommended Operating Voltage: 3.3V DC
Transmit Power: Up to +20dBm
Receiver Sensitivity: Up to -148dBm
Maximum Data Rate: Up to 300 kbps (FSK mode)
Transmission Distance: Up to several kilometers (depending on antenna and environment)
Frequency Stability: High precision crystal oscillator
Operating Temperature: -40°C to +85°C
Current Consumption (Transmit): Approximately 120mA
Current Consumption (Receive): Approximately 10-12mA
Antenna Connection: IPEX/U.FL Connector
Module Dimensions: Approximately 17mm × 16mm

Additional Resources

LoRa Ra-02 Series.PDF

FAQ

1. What is the LoRa Ra-02 Series Spread Spectrum Wireless Transmission Module?

The LoRa Ra-02 is a long-range wireless communication module based on the SX1278 LoRa transceiver chip. It uses spread spectrum modulation technology to achieve reliable data transmission over long distances while maintaining low power consumption, making it ideal for IoT and remote monitoring applications.

2. What communication interface does the LoRa Ra-02 module use?

The LoRa Ra-02 communicates with microcontrollers through the SPI (Serial Peripheral Interface) protocol. It can be easily connected to platforms such as Arduino, ESP32, STM32, Raspberry Pi, and other embedded systems for wireless data transmission.

3. What is the transmission range of the LoRa Ra-02 module?

The transmission range depends on factors such as antenna quality, environment, and operating frequency. Under ideal line-of-sight conditions, the LoRa Ra-02 can achieve communication distances of up to several kilometers, making it significantly more capable than standard RF modules.

4. What are the common applications of the LoRa Ra-02 module?

The LoRa Ra-02 is widely used in:

  • IoT sensor networks
  • Smart agriculture systems
  • Remote monitoring and telemetry
  • Industrial automation
  • Smart city infrastructure
  • Wireless meter reading
  • Environmental monitoring stations
  • Asset tracking and location systems

5. What are the advantages of using the LoRa Ra-02 module?

Key advantages include:

  • Long-range wireless communication
  • Low power consumption
  • High receiver sensitivity
  • Strong anti-interference capability
  • Reliable operation in challenging environments
  • Support for point-to-point and network communication
  • Easy integration with popular microcontrollers and development boards
  • Suitable for battery-powered IoT devices and remote sensing applications
View full product details

The LoRa Ra-02 Series Wireless Transmission Module is a high-performance long-range RF communication module based on the Semtech SX1278 LoRa transceiver chip. Utilizing LoRa (Long Range) spread spectrum modulation technology, the module enables reliable wireless communication over several kilometers while maintaining extremely low power consumption.

The Ra-02 module operates in the 433MHz frequency band and is widely used in Internet of Things (IoT), smart agriculture, industrial automation, wireless sensor networks, remote monitoring, and telemetry systems. Its excellent receiver sensitivity and strong anti-interference capabilities make it ideal for applications requiring stable long-distance communication.

Features

  • Based on the Semtech SX1278 LoRa transceiver
  • Long-range wireless communication capability
  • Operates in the 433MHz ISM frequency band
  • LoRa spread spectrum modulation technology
  • High receiver sensitivity for enhanced signal reception
  • Low power consumption for battery-operated devices
  • SPI communication interface
  • Strong resistance to interference and noise
  • Supports point-to-point and multi-node communication
  • Compact SMD module design
  • Suitable for IoT and wireless sensor applications