SX1278 433MHz LoRa Ra-02 Wireless Module

SX1278 433MHz LoRa Ra-02 Wireless Module – Long Range RF Transceiver for IoT
The SX1278 433MHz LoRa Ra-02 Wireless Module is a high-performance long-range wireless transceiver designed for low-power communication and IoT applications. Based on the Semtech SX1278 chip, it uses LoRa spread spectrum technology to provide reliable data transmission over long distances with strong anti-interference performance. It is ideal for smart agriculture, telemetry, wireless sensor networks, home automation, and remote monitoring systems.

Features:

• Long Range Communication: Supports multi-kilometer transmission in open areas
• Low Power Consumption: Suitable for battery-powered devices
• 433MHz Frequency Band: Excellent penetration and stable signal performance
• LoRa Modulation: Better range and reliability than standard RF modules
• High Sensitivity: Up to -148dBm receive sensitivity
• Strong Output Power: Up to +20dBm transmit power
• SPI Interface: Easy integration with Arduino, ESP32, STM32, and Raspberry Pi
• Multi Modulation Support: LoRa, FSK, GFSK, MSK, GMSK, OOK
• Metal Shielding: Improved stability and reduced interference
• Compact Size: Small footprint for embedded projects

Specifications:

• Chipset: SX1278
• Frequency Range: 410MHz – 525MHz (433MHz standard version)
• Operating Voltage: 1.8V – 3.7V DC (3.3V recommended)
• Interface: SPI
• Max Transmit Power: +18dBm to +20dBm
• Receive Sensitivity: Up to -148dBm
• Data Rate: Up to 300kbps
• Sleep Current: As low as 0.2µA
• TX Current: Up to 120mA
• RX Current: Approx. 10–15mA
• Operating Temperature: -40°C to +85°C
• Module Size: Approx. 17 × 16 × 3.2 mm