Ai Thinker LoRa-Ra-01 RF Transceiver Module

Ai Thinker LoRa-Ra-01 RF Transceiver Module

The Ai Thinker RA-01 is a high-performance LoRa (Long Range) RF transceiver module designed for long-distance, low-power wireless communication. It operates in the 433 MHz frequency band and is built around the Semtech SX1278 LoRa chip, offering spread spectrum technology for highly reliable data transmission even in noisy environments.

With a compact design and SPI communication interface, the RA-01 can be easily integrated with Arduino, STM32, Raspberry Pi, and other microcontrollers, making it ideal for IoT, telemetry, and remote monitoring applications. The module is optimized for long-range data transmission, low power consumption, and high interference immunity.

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Features:

• Frequency Range: 433 MHz (custom versions may vary)
• Chipset: Semtech SX1278 LoRa
• Modulation: LoRa spread spectrum
• Output Power: Up to +20 dBm
• Sensitivity: Up to -137 dBm
• Interface: SPI (MISO, MOSI, SCK, NSS)
• Operating Voltage: 1.8V – 3.7V (recommended 3.3V)
• Data Rate: 0.3 kbps – 37.5 kbps
• Low Power Modes: Sleep, standby, and power-saving modes (<10 µA in sleep)
• Antenna Interface: External antenna connector/pad
• Operating Temperature: -40°C to +85°C
• Dimensions: ~32mm × 17mm × 3mm

Advantages:

• Long-range wireless communication (up to 5–10 km line-of-sight)
• Ultra-low power consumption for battery-powered IoT devices
• High interference immunity due to LoRa spread spectrum technology
• Compact and lightweight, suitable for industrial and outdoor use
• Easy SPI interface for integration with popular microcontrollers

Applications:

• IoT Systems: Remote sensing, smart home devices, and environmental monitoring
• Industrial IoT: Equipment telemetry and remote monitoring
• Smart Agriculture: Soil moisture, temperature, and environmental sensing
• Wireless Data Transmission: Long-distance, low-bandwidth communication
• Remote Control & Robotics: Wireless device and robot control
• Smart City Projects: Streetlight control, parking monitoring, and pollution sensors

* Product image for illustration purposes only, actual product may vary.