SX1278 LoRa Module 433M AI-Thinker Wireless Spread Spectrum Transmission Socket for Smart Home DIY

The RA Series of SX1278 LoRa modules at 433MHz includes several models tailored for different applications. Here are the descriptions and specifications for ten RA models typically available in this series:

1. RA-01

• Description: Basic compact module designed for long-range communication.
• Frequency: 433MHz
• Range: Up to 10 km
• Interface: SPI
• Output Power: +20 dBm
• Sensitivity: -148 dBm
• Operating Voltage: 1.8V to 3.7V
• Dimensions: 17mm x 16mm

2. RA-02

• Description: Enhanced version of RA-01 with better performance.
• Frequency: 433MHz
• Range: Up to 10 km
• Interface: SPI
• Output Power: +20 dBm
• Sensitivity: -148 dBm
• Operating Voltage: 1.8V to 3.7V
• Dimensions: 17mm x 16mm

3. RA-01S

• Description: Cost-effective, compact design for low-power applications.
• Frequency: 433MHz
• Range: Up to 10 km
• Interface: SPI
• Output Power: +20 dBm
• Sensitivity: -148 dBm
• Operating Voltage: 1.8V to 3.7V
• Dimensions: 17mm x 16mm

4. RA-02S

• Description: Enhanced RA-02 for more robust data transmission.
• Frequency: 433MHz
• Range: Up to 10 km
• Interface: SPI
• Output Power: +20 dBm
• Sensitivity: -148 dBm
• Operating Voltage: 1.8V to 3.7V
• Dimensions: 17mm x 16mm

5. RA-01H

• Description: High-power version for extended range.
• Frequency: 433MHz
• Range: Up to 15 km
• Interface: SPI
• Output Power: +23 dBm
• Sensitivity: -148 dBm
• Operating Voltage: 2.0V to 3.6V
• Dimensions: 17mm x 16mm

6. RA-02H

• Description: Enhanced high-power version of RA-02 for better performance.
• Frequency: 433MHz
• Range: Up to 15 km
• Interface: SPI
• Output Power: +23 dBm
• Sensitivity: -148 dBm
• Operating Voltage: 2.0V to 3.6V
• Dimensions: 17mm x 16mm

7. RA-01L

• Description: Low-power module for battery-operated devices.
• Frequency: 433MHz
• Range: Up to 10 km
• Interface: SPI
• Output Power: +14 dBm
• Sensitivity: -148 dBm
• Operating Voltage: 1.8V to 3.7V
• Dimensions: 17mm x 16mm

8. RA-02L

• Description: Enhanced low-power version of RA-02 for energy-efficient applications.
• Frequency: 433MHz
• Range: Up to 10 km
• Interface: SPI
• Output Power: +14 dBm
• Sensitivity: -148 dBm
• Operating Voltage: 1.8V to 3.7V
• Dimensions: 17mm x 16mm

9. RA-01A

• Description: Module with integrated antenna for better signal reception.
• Frequency: 433MHz
• Range: Up to 10 km
• Interface: SPI
• Output Power: +20 dBm
• Sensitivity: -148 dBm
• Operating Voltage: 1.8V to 3.7V
• Dimensions: 17mm x 16mm

10. RA-02A

• Description: Enhanced version with integrated antenna for robust communication.
• Frequency: 433MHz
• Range: Up to 10 km
• Interface: SPI
• Output Power: +20 dBm
• Sensitivity: -148 dBm
• Operating Voltage: 1.8V to 3.7V
• Dimensions: 17mm x 16mm

11. DRF1278

• Description: Low-power long-range 433 MHz wireless transceiver module using the Semtech SX1278 with LoRa and multiple modulation modes.
• Frequency:433 MHz
• Range: Long-range (LoRa-based, typically several kilometers depending on environment)
• Interface: SPI
• Output Power: Programmable, up to +20 dBm (variant-dependent)
• Sensitivity: Up to 137 dBm
• Operating Voltage: 1.8 V 3.7

Common Features of RA Series

• LoRa Spread Spectrum: Ensures long-range communication and robust data transmission.
• High Sensitivity: Allows for reliable signal reception even in challenging environments.
• Low Power Consumption: Ideal for battery-operated devices and IoT applications.
• Compact Size: Suitable for various applications with space constraints.
• SPI Interface: Facilitates easy integration with microcontrollers and other digital systems.

These models provide a range of options based on specific requirements such as range, power consumption, and integration needs.