Ebyte E22-400T22S-V2 Lora Wireless Module User Manual

1. Introduction

This user manual provides essential information for the proper installation, operation, and maintenance of the Ebyte E22-400T22S-V2 Lora Wireless Module. This module is designed for reliable and stable data transmission over long distances using Lora technology at 433MHz. Please read this manual thoroughly before using the product to ensure optimal performance and safety.

2. Product Overview

The E22-400T22S-V2 is a high-performance Lora wireless module operating in the 433MHz frequency band. It features a 22dBm output power, enabling communication ranges up to 5 kilometers under ideal conditions. The module supports both Ipex and Stamp Hole antenna interfaces, offering flexibility in integration. It is designed for applications requiring robust and precise wireless data links.

Figure 2.1: Top view of the Ebyte E22-400T22S-V2 Lora Wireless Module. The image displays the module's model number (E22 400T22S), Ebyte branding, regulatory compliance marks (FCC, CE, RoHS, REACH), version number (V2), manufacturer (EBYTE), FCC ID (2A8C3-240101), and a QR code, along with the antenna connector area.

3. Specifications

Key technical specifications for the Ebyte E22-400T22S-V2 module are listed below:

4. Setup

Follow these steps to set up your E22-400T22S-V2 Lora module:

1. Power Supply: Connect the module to a stable and regulated power supply within its specified voltage range. Refer to the module's datasheet for exact voltage requirements. Incorrect voltage can damage the module.
2. Antenna Connection: Attach a suitable 433MHz antenna to the Ipex connector or solder a wire antenna to the Stamp Hole pad. Ensure the antenna is correctly matched for optimal performance.
3. Data Interface: Connect the module's data pins (e.g., UART TX/RX) to your microcontroller or host system. Verify pin assignments from the module's datasheet.
4. Configuration: Configure the module's operating parameters (e.g., spreading factor, bandwidth, coding rate, address) using appropriate software or AT commands, as detailed in the Ebyte E22 series documentation.

5. Operating Instructions

Once the module is set up, you can begin data transmission:

• Initialization: Ensure the module is powered on and initialized correctly by your host system.
• Sending Data: To send data, transmit your payload through the module's data interface (e.g., UART). The module will then convert this data into Lora packets and transmit them wirelessly.
• Receiving Data: To receive data, the module must be in receive mode. Incoming Lora packets will be demodulated and output through the data interface to your host system.
• Network Configuration: For multi-node networks, ensure all modules are configured with compatible parameters (e.g., same frequency, spreading factor, network ID) to enable successful communication.

For detailed programming and command sets, refer to the official Ebyte E22-400T22S-V2 datasheet and programming guide available on the Ebyte website.

6. Maintenance

The E22-400T22S-V2 module is designed for long-term reliability with minimal maintenance. Observe the following guidelines:

• Environmental Conditions: Operate the module within its specified temperature and humidity ranges. Avoid exposure to extreme temperatures, direct sunlight, and high moisture environments.
• Static Discharge: Handle the module with care, especially in environments prone to static electricity. Use anti-static precautions when installing or removing the module.
• Cleaning: If necessary, gently clean the module with a dry, soft cloth. Do not use liquid cleaners or solvents.
• No User-Serviceable Parts: The module contains no user-serviceable parts. Do not attempt to open or modify the module, as this will void the warranty and may cause damage.

7. Troubleshooting

If you encounter issues with your E22-400T22S-V2 module, consider the following troubleshooting steps:

• No Power:
  • Verify that the power supply is connected correctly and providing the specified voltage.
  • Check for any loose connections or damaged cables.
• No Communication:
  • Ensure both transmitting and receiving modules are powered on and configured with compatible parameters (frequency, spreading factor, etc.).
  • Check the data interface connections (TX/RX) to your host system.
  • Confirm that the antenna is properly connected and suitable for 433MHz.
  • Verify that your host system's software is correctly sending and receiving data.
• Limited Range:
  • Ensure antennas are correctly installed and unobstructed.
  • Check for environmental interference (e.g., large metal objects, other RF devices).
  • Verify that the transmit power is set to the desired level and that the antenna is matched.
  • Consider the line-of-sight conditions; Lora performance is significantly affected by obstacles.

For further assistance, consult the official Ebyte documentation or contact technical support.

8. Compliance Information

The Ebyte E22-400T22S-V2 module complies with various international standards, as indicated by the markings on the module:

• FCC (Federal Communications Commission): Indicates compliance with FCC regulations for radio frequency devices in the United States. The FCC ID 2A8C3-240101 is provided for identification.
• CE (Conformité Européenne): Signifies that the product meets the European Union's health, safety, and environmental protection standards.
• RoHS (Restriction of Hazardous Substances): Confirms that the module adheres to the directive restricting the use of specific hazardous materials in electronic and electrical products.
• REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals): Indicates compliance with the European Union regulation concerning the registration, evaluation, authorization, and restriction of chemicals.

For detailed compliance declarations and certificates, please visit the official Ebyte website.

9. Warranty and Support

This product is manufactured by Ebyte and sold by MSETSEATNE. For warranty information, please refer to the terms and conditions provided by the seller at the time of purchase. For technical support, detailed datasheets, and programming guides, please visit the official Ebyte website or contact their customer service.