1. හැඳින්වීම
The EBYTE E34-DTU-2G4D20 is a robust 100mW wireless data transceiver operating in the 2.4GHz to 2.518GHz frequency band. It facilitates data transmission and reception via RS232 and RS485 serial ports, simplifying wireless application integration. This module is engineered for high-speed, full-duplex communication, supporting simultaneous bidirectional data flow and file transfers. It features data encryption and compression to enhance security and transmission efficiency. Designed for industrial environments, the E34-DTU-2G4D20 operates within a wide voltage range of 8V to 28V and adheres to international design specifications including FCC, CE, and CCC.

රූපය 1: ඉදිරිපස view of the EBYTE E34-DTU-2G4D20 wireless data transceiver, showing RS232, RS485, DC-IN, and antenna ports.
2 ප්රධාන ලක්ෂණ
- Reliable nRF24L01P+ Chip: Utilizes original nRF24L01P+ chips for enhanced reliability and performance.
- ඉහළ කාර්ය සාධනය: Features 100mW (20dBm) transmit power, meeting European industrial standards.
- Industrial Grade Durability: Equipped with temperature compensators for frequency stability (±1.5PPM) and an operating temperature range of -40℃ to +85℃.
- ශක්තිමත් නිර්මාණය: Housed in an aluminum alloy case for excellent heat dissipation, shielding, electromagnetic compatibility, and strong anti-interference capabilities.
- ආරක්ෂණ විශේෂාංග: Includes power reverse, overload protection, and antenna surge protection to improve system reliability.
- වින්යාසගත කළ හැකි පරාමිතීන්: Allows programming of parameters such as transmit power, frequency, air data rate, and address.
- Full-Duplex Communication: Supports simultaneous bidirectional data transmission at high baud rates.
- දත්ත ආරක්ෂාව: Incorporates data encryption and compression for secure and efficient data transfer.

රූපය 2: කෝණික view of the E34-DTU-2G4D20, highlighting its compact design and robust casing.
3. තාක්ෂණික පිරිවිතර
| පරාමිතිය | වටිනාකම |
|---|---|
| සංඛ්යාත පරාසය | 2.4 GHz සිට 2.505 GHz |
| සම්ප්රේෂණ බලය | 20 dBm (100 mW) |
| සම්ප්රේෂණ දුර | කිලෝමීටර 2.0ක් දක්වා (දෘශ්ය රේඛාව) |
| අතුරු මුහුණත | RS232 / RS485 |
| සැපයුම් වෙළුමtage | 8V සිට 28V DC |
| මෙහෙයුම් උෂ්ණත්වය | -40℃ සිට +85℃ දක්වා |
| සංඛ්යාත ස්ථායීතාවය | ± 1.5 PPM |
| නිෂ්පාදකයා | EBYTE |
| ආකෘතිය | E34-DTU-2G4D20 |

රූපය 3: Physical dimensions of the E34-DTU-2G4D20 module.
4. පිහිටුවීම සහ ස්ථාපනය
Follow these steps to set up your E34-DTU-2G4D20 wireless transceiver:
- Connect Data Interface: Connect the E34-DTU-2G4D20 to your PC, PLC, or RTU using either the RS232 or RS485 interface. Ensure proper wiring for the selected serial communication standard.
- ඇන්ටනාව අමුණන්න: Connect a 50Ω antenna or a dummy load to the ANT port on the transceiver. A suitable antenna is crucial for optimal wireless performance.
- බල සැපයුම: Provide power to the module via the DC-IN port. The module accepts a voltage range of 10V to 28V DC. You can use a regulated power supply or a compatible power adapter.
- ධාවක ස්ථාපනය (අවශ්ය නම්): If connecting to a PC, download and install the necessary drivers from the EBYTE official website to ensure proper recognition of the serial port.
- Initial Testing (Optional): For quick verification of functionality, use a serial port debugging assistant software.
- Download and install a serial port debugging assistant.
- Connect the radio, antenna, and power supply to your computer.
- Open the debugging assistant, select the corresponding serial port number, and configure it to send and receive test data.

රූපය 4: Connection diagram illustrating how to connect the E34-DTU-2G4D20 to a PC/PLC/RTU, antenna, and power supply.

රූපය 5: Screenshot demonstrating quick visualization tests for data reception and sending using serial port software.
5. මෙහෙයුම් මාතයන්
The E34-DTU-2G4D20 supports various operating modes, configurable via the M0 and M1 pins (typically DIP switches or jumpers). Understanding these modes is crucial for optimal performance in different applications.
| මාදිලිය | M0 | M1 | විස්තරය |
|---|---|---|---|
| Mode 0: General Mode | ON | ON | Standard operating mode for serial open, wireless open, and transparent data transmission. |
| Mode 1: Wake-up Mode | ON | අක්රියයි | Wake-on-Air transmit mode. Packets include wake-up codes to activate receiving modules. |
| Mode 2: Battery Saving Mode | අක්රියයි | ON | Wake-on-Air receive mode. Designed to save power by only receiving data when woken up. This mode does not support transmission. |
| Mode 3: Sleeping Mode | අක්රියයි | අක්රියයි | The module enters a low-power sleep state. It can still receive parameter setting commands. |

රූපය 6: Illustration of full-duplex high-speed transmission, showing simultaneous data flow between two E34-DTU modules.
6. නඩත්තු කිරීම
To ensure the longevity and optimal performance of your E34-DTU-2G4D20 transceiver, consider the following maintenance guidelines:
- පාරිසරික තත්ත්වයන්: මොඩියුලය එහි නිශ්චිත උෂ්ණත්ව හා ආර්ද්රතා පරාසයන් තුළ ක්රියාත්මක කරන්න. අධික උෂ්ණත්වයන්ට, සෘජු හිරු එළියට හෝ අධික තෙතමනයට නිරාවරණය වීමෙන් වළකින්න.
- පිරිසිදුකම: Keep the module free from dust and debris. Use a soft, dry cloth for cleaning. Do not use liquid cleaners or solvents.
- සම්බන්ධතා: Periodically check all cable connections (RS232/RS485, antenna, power) to ensure they are secure and free from damage.
- ඇන්ටෙනා සත්කාර: Ensure the antenna is properly installed and not obstructed. Avoid bending or damaging the antenna.
- බල සැපයුම: Use only power supplies that meet the specified voltage and current requirements to prevent damage.
7. දෝශ නිරාකරණය
If you encounter issues with your E34-DTU-2G4D20, refer to the following common troubleshooting steps:
- බලය නැත:
- Verify the power supply is connected correctly and providing the specified voltage (8V-28V DC).
- කිසියම් හානියක් සඳහා විදුලි රැහැන පරීක්ෂා කරන්න.
- බල ප්රභවය සක්රිය බව සහතික කර ගන්න.
- No Data Transmission/Reception:
- Confirm that the RS232 or RS485 connections are secure and correctly wired.
- Check the antenna connection and ensure it is a 50Ω antenna.
- Verify that both transceivers are configured to the same frequency, air data rate, and address.
- Ensure the operating mode (M0, M1 settings) is appropriate for your application (e.g., not in sleeping mode if expecting to transmit).
- Check the serial port settings (baud rate, parity, data bits, stop bits) in your software to match the module's configuration.
- For PC connections, ensure the correct serial port driver is installed and the COM port is selected in your application.
- Poor Signal Quality or Short Range:
- Ensure the antenna is positioned optimally and not obstructed by metal objects or walls.
- Check for potential sources of interference in the 2.4GHz band.
- Verify the transmit power setting of the module.
- මොඩියුලය අධික ලෙස රත් වීම:
- Ensure adequate ventilation around the module.
- පරිසර උෂ්ණත්වය නිශ්චිත මෙහෙයුම් පරාසය තුළ ඇති බව තහවුරු කර ගන්න.
- බල සැපයුම් පරිමාව දැයි පරීක්ෂා කරන්නtage is within the acceptable limits.
8. වගකීම් සහ සහාය
EBYTE products are designed for reliability and performance. For specific warranty details, please refer to the documentation included with your purchase or visit the official EBYTE website. For technical support, product inquiries, or assistance with troubleshooting beyond this manual, please contact EBYTE customer service through their official channels.
නිෂ්පාදකයා: EBYTE
නිල Webඅඩවිය: www.ebyte.com

රූපය 7: Product box label showing manufacturer information and certifications.





