EBYTE E32-170T30D LoRa Module User Manual

1. Introduction

The EBYTE E32-170T30D is a high-performance LoRa wireless serial port module designed for long-range, low-power data transmission. Utilizing LoRa spread spectrum technology, this module offers enhanced anti-interference capabilities and extended communication distances compared to traditional FSK modulation. It operates in the 160-173.5MHz frequency band with a maximum transmission power of 1W (30dBm), enabling communication distances up to 8 kilometers.

This module features a UART interface, making it compatible with 3.3V and 5V systems (4.75-5.5V recommended for optimal performance). Its industrial-grade design ensures stable operation in harsh environments, with a temperature range of -40°C to 85°C. The E32-170T30D is suitable for various applications including smart home systems, industrial control, remote meter reading, and IoT solutions.

2. Product Overview

The E32-170T30D module integrates a power amplifier (PA) and low noise amplifier (LNA) to achieve its 30dBm transmitting power, ensuring stability and extended range. It incorporates industrial-grade crystal oscillators for precision and consistency. Key features include data encryption and compression for secure and efficient data transfer.

2.1 Key Features

• Frequency Range: 160~173.5MHz
• Transmission Power: 21~30dBm (1W), software adjustable
• Communication Distance: Up to 8 km (line of sight)
• Interface: UART (TTL level)
• Power Supply: 3.3V~5.2V (4.75-5.5V recommended)
• Data Rate: 0.3kbps~9.6kbps (air data rate)
• Operating Temperature: -40°C to 85°C
• Antenna Connector: SMA
• Technology: LoRa spread spectrum for strong anti-interference and penetration
• Security: Data encryption and compression
• Compliance: FCC, CE, CCC standards

2.2 Module Components

2.3 LoRa Technology Advantages

3. Specifications

4. Setup

Proper setup is crucial for the optimal performance of your E32-170T30D LoRa module. Follow these steps for initial configuration:

1. Power Supply Connection: Connect the module to a stable power source within the 3.3V to 5.2V range. For best performance, a power supply between 4.75V and 5.5V is recommended. Ensure correct polarity (VCC and GND).
2. UART Interface Connection: Connect the module's UART pins (TX, RX) to your microcontroller or host device's corresponding UART pins. Ensure the logic levels are compatible (TTL).
3. Antenna Connection: Attach a suitable 170MHz SMA antenna to the module's SMA connector. Ensure the connection is secure. The provided nuts and washers (refer to Figure 2) should be used for a stable physical installation.
4. Configuration (Optional): The module's parameters (e.g., frequency, air data rate, power) can be configured via software. Refer to the detailed datasheet for specific commands and software tools.

Note: Always ensure the power supply is disconnected before making or changing any physical connections to prevent damage to the module or host device.

5. Operating Instructions

Once the E32-170T30D module is correctly set up, it can be used for wireless data transmission and reception. The module operates as a transparent serial port, meaning data sent to its UART input will be transmitted wirelessly, and data received wirelessly will be output via its UART pins.

• Data Transmission: To transmit data, send your data stream to the module's UART TX pin from your host device. The module will automatically handle the LoRa modulation and wireless transmission.
• Data Reception: When the module receives wireless data, it will output the data stream via its UART RX pin to your host device.
• Parameter Configuration: The module's operating parameters, such as frequency channel, air data rate, and transmission power, can be adjusted via specific commands sent through the UART interface. Consult the official EBYTE datasheet for a comprehensive list of commands and their usage.
• LoRa Advantages: Leverage the LoRa spread spectrum technology for its long-range capabilities and robust anti-interference performance, especially in environments with obstacles or noise.
• Data Security: The module supports data encryption and compression. For details on how to utilize these features, refer to the module's technical documentation.

5.1 Application Scenarios

The E32-170T30D module is versatile and can be applied in numerous scenarios:

6. Maintenance

The E32-170T30D LoRa module is designed for industrial-grade reliability and requires minimal maintenance. Adhering to the following guidelines will help ensure its longevity and consistent performance:

• Environmental Conditions: Operate the module within its specified temperature range of -40°C to 85°C. Avoid exposure to extreme humidity, corrosive gases, or direct sunlight.
• Physical Handling: Handle the module with care to prevent physical damage. Avoid bending or stressing the PCB or connectors.
• Cleaning: If necessary, gently clean the module with a dry, soft cloth. Do not use liquid cleaners or solvents.
• Antenna Care: Ensure the antenna is always securely connected and free from damage. A damaged or improperly connected antenna can significantly reduce performance.
• Firmware Updates: Periodically check the official EBYTE website (www.cdebyte.com) for any available firmware updates that may improve performance or add new features.

7. Troubleshooting

If you encounter issues with your E32-170T30D module, consider the following troubleshooting steps:

• No Communication:
  • Verify power supply voltage and polarity.
  • Check UART connections (TX, RX, GND) and ensure they are correctly wired to your host device.
  • Confirm UART baud rate, parity, data bits, and stop bits settings match between the module and host device.
  • Ensure the antenna is properly connected.
• Short Communication Range:
  • Check antenna type and ensure it is suitable for the 170MHz band and in good condition.
  • Verify transmission power settings; ensure it is set to the desired level (up to 30dBm).
  • Minimize obstacles between transmitting and receiving modules. Line-of-sight provides the best range.
  • Ensure both modules are operating on the same frequency channel and air data rate.
• Intermittent Data Loss:
  • Check for sources of electromagnetic interference (EMI) near the modules.
  • Ensure the power supply is stable and free from noise.
  • Consider adjusting the air data rate; lower data rates generally offer better reliability over longer distances or in noisy environments.
• Encryption/Compression Issues:

  The module supports data encryption and compression. If these features are not functioning as expected, ensure that the configuration settings for these features are correctly applied and understood. Refer to the detailed technical documentation for implementation specifics.

8. Warranty and Support

The EBYTE E32-170T30D LoRa module is manufactured by Ebyte. For specific warranty terms and conditions, please refer to the purchase agreement or contact your vendor. General support and technical documentation can be found on the official EBYTE website.

• Manufacturer: Ebyte
• Official Website: www.cdebyte.com
• Compliance: The module strictly follows design standards of FCC, CE, CCC, meeting various RF certification requirements.

For technical inquiries or further assistance, please visit the EBYTE website or contact their customer support channels.