Ai-Thinker Ra-02 SX1278 LoRa Wireless Transceiver Module 410-525MHz

Ai-Thinker Ra-02 SX1278 LoRa Wireless Transceiver Module (410-525MHz)

The Ai-Thinker Ra-02 LoRa module is a high-performance long-range wireless communication module built around the Semtech SX1278 transceiver chip. Operating in the 410-525 MHz frequency range, this module uses advanced LoRa spread spectrum modulation technology to deliver reliable long-distance communication with excellent anti-interference capability and ultra-low power consumption.

With high receiver sensitivity up to -148 dBm and transmit power up to +20 dBm, the Ra-02 module can achieve communication distances of up to 10 km in open environments. This makes it ideal for IoT applications, wireless sensor networks, smart agriculture, smart homes, industrial monitoring, and remote control systems.

The module supports multiple modulation modes including LoRa, FSK, GFSK, MSK, GMSK, and OOK, giving developers flexibility in designing different wireless communication systems. Its SPI interface allows easy integration with Arduino, ESP32, Raspberry Pi, STM32, and other microcontrollers.

The compact SMD-16 shielded design ensures stable RF performance while minimizing interference, making the Ra-02 SX1278 module a reliable choice for long-range wireless projects.

Key Features

• Operating Frequency: 410 – 525 MHz

• Semtech SX1278 LoRa transceiver chipset

• LoRa spread spectrum modulation technology

• Long communication range up to 10 km (open environment)

• High sensitivity up to -148 dBm

• Transmit power up to +20 dBm

• Half-duplex SPI communication interface

• Programmable data rate up to 300 kbps

• Supports LoRa, FSK, GFSK, MSK, GMSK and OOK modulation

• 127 dB RSSI dynamic range

• Automatic RF signal detection and CAD mode

• High-speed AFC (Automatic Frequency Control)

• Packet engine with CRC support up to 256 bytes

• Compact SMD-16 dual-row stamp-hole package

• Shielded housing for improved RF stability

Applications

• IoT Devices & Smart Sensors

• Wireless Meter Reading Systems

• Smart Home Automation

• Industrial Monitoring Systems

• Smart Agriculture Networks

• Long Range Sensor Communication

• Security & Alarm Systems

• Arduino / ESP32 / Raspberry Pi Projects

Technical Specifications

Physical Specifications

Package Includes

• 1 × Ai-Thinker Ra-02 SX1278 LoRa Wireless Module (410-525MHz)