AI-Thinker RA-02 LoRa SX1278 Wireless Module 410-525MHz
The AI-Thinker RA-02 is a long-range LoRa wireless module based on the Semtech SX1278 transceiver, operating in the 410-525MHz band and supporting SPI communication for integration into Arduino, Raspberry Pi, or custom embedded IoT nodes.
Features
- Based on Semtech SX1278 LoRa transceiver for robust, long-distance communication up to 10km.
- Operates across a wide 410-525MHz frequency range, suitable for global sub-GHz ISM bands.
- High RF output power up to +20dBm (100mW) coupled with exceptional -148dBm receiver sensitivity.
- Supports multiple modulation schemes including LoRa, FSK, GFSK, MSK, GMSK, and OOK for application flexibility.
- Compact SMD-16 footprint with IPEX antenna connector and shielded housing for reliable deployment.
Out of stock
The AI-Thinker RA-02 module leverages Semtech’s patented LoRa spread spectrum modulation to deliver exceptional range and interference immunity, making it ideal for low-power, wide-area network (LPWAN) applications. Its architecture enables stable RF power output up to +20dBm while maintaining high receiver sensitivity down to -148dBm, ensuring reliable links in noisy urban or rural environments.
Communication is handled via a half-duplex SPI interface, allowing for programmable bit rates up to 300kbps and seamless integration with common microcontrollers like ESP32, STM32, or Arduino boards. The module features automatic RF signal detection, CAD mode for efficient power cycling, and a packet engine with CRC, simplifying firmware development for sensor telemetry and command/control systems.
Additional Information
| Weight | 0.006 kg |
|---|---|
| Dimensions | 1.7 × 1.6 cm |














