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

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.