SX1278 433MHz RA-01 LoRa Wireless Transmit Module
The SX1278 433MHz RA-01 LoRa Wireless Transmit Module is a compact RF module for long-range IoT communication. It operates on 433MHz ISM band, offering up to +20dBm output power and -148dBm sensitivity for robust links up to 15km, interfacing via SPI for embedded systems.
Features
- Long-Range LoRa Communication: Features Semtech SX1278 chip for reliable spread-spectrum communication up to 15km in line-of-sight conditions.
- High RF Performance: Delivers +20dBm (100mW) transmit power and exceptional receiver sensitivity down to -148dBm for robust signal penetration.
- Multi-Modulation Support: Supports LoRa, FSK, GFSK, MSK, GMSK, and OOK modulation schemes for flexible protocol adaptation.
- SPI Interface: Utilizes a half-duplex SPI communication interface for easy integration with microcontrollers like STM32, ESP32, or Arduino.
- Compact & Shielded Design: Double-row SMD package with integrated shielding and spring antenna for reduced EMI and simplified assembly.
Out of stock
The RA-01 module is a dedicated LoRa transceiver built around the Semtech SX1278 RF IC, engineered for ultra-long-range, low-power wireless sensor networks. Its core architecture leverages LoRa spread spectrum modulation to achieve a high link budget, enabling reliable communication over kilometers while maintaining resistance to interference and multipath fading.
Operating on the 433MHz ISM band, the module provides a flexible RF front-end supporting multiple digital modulation modes beyond LoRa, including FSK and OOK, for legacy system compatibility. Key features like automatic RF signal detection, CAD (Channel Activity Detection) mode for power-saving listen-before-talk, and packet CRC with up to 256-byte payloads ensure robust data integrity in noisy environments. The compact, shielded SMD form factor with an integrated spring antenna makes it ideal for space-constrained IoT deployments requiring stable, long-distance telemetry.
Additional Information
| Weight | 0.003 kg |
|---|---|
| Dimensions | 1.2 × 2.1 × 1 cm |
