1. ആമുഖം
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.

ചിത്രം 1: ഫ്രണ്ട് view of the EBYTE E34-DTU-2G4D20 wireless data transceiver, showing RS232, RS485, DC-IN, and antenna ports.
2 പ്രധാന സവിശേഷതകൾ
- Reliable nRF24L01P+ Chip: Utilizes original nRF24L01P+ chips for enhanced reliability and performance.
- ഉയർന്ന പ്രകടനം: Features 100mW (20dBm) transmit power, meeting European industrial standards.
- വ്യാവസായിക ഗ്രേഡ് ഈട്: Equipped with temperature compensators for frequency stability (±1.5PPM) and an operating temperature range of -40℃ to +85℃.
- ശക്തമായ ഡിസൈൻ: Housed in an aluminum alloy case for excellent heat dissipation, shielding, electromagnetic compatibility, and strong anti-interference capabilities.
- സംരക്ഷണ സവിശേഷതകൾ: Includes power reverse, overload protection, and antenna surge protection to improve system reliability.
- ക്രമീകരിക്കാവുന്ന പരാമീറ്ററുകൾ: 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.
- ഡാറ്റ സുരക്ഷ: Incorporates data encryption and compression for secure and efficient data transfer.

ചിത്രം 2: കോണാകൃതിയിലുള്ളത് view of the E34-DTU-2G4D20, highlighting its compact design and robust casing.
3 സാങ്കേതിക സവിശേഷതകൾ
| പരാമീറ്റർ | മൂല്യം |
|---|---|
| ഫ്രീക്വൻസി റേഞ്ച് | 2.4 GHz മുതൽ 2.505 GHz വരെ |
| പവർ ട്രാൻസ്മിറ്റ് ചെയ്യുക | 20 dBm (100 mW) |
| ട്രാൻസ്മിഷൻ ദൂരം | 2.0 കിലോമീറ്റർ വരെ (കാഴ്ചയുടെ രേഖ) |
| ഇൻ്റർഫേസ് | RS232 / RS485 |
| സപ്ലൈ വോളിയംtage | 8V മുതൽ 28V വരെ DC |
| പ്രവർത്തന താപനില | -40℃ മുതൽ +85℃ വരെ |
| ഫ്രീക്വൻസി സ്ഥിരത | ± 1.5 PPM |
| നിർമ്മാതാവ് | EBYTE |
| മോഡൽ | E34-DTU-2G4D20 |

ചിത്രം 3: Physical dimensions of the E34-DTU-2G4D20 module.
4. സജ്ജീകരണവും ഇൻസ്റ്റാളേഷനും
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.
- ആന്റിന ഘടിപ്പിക്കുക: Connect a 50Ω antenna or a dummy load to the ANT port on the transceiver. A suitable antenna is crucial for optimal wireless performance.
- വൈദ്യുതി വിതരണം: 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.
- ഡ്രൈവർ ഇൻസ്റ്റാളേഷൻ (ആവശ്യമെങ്കിൽ): 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.

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

ചിത്രം 5: Screenshot demonstrating quick visualization tests for data reception and sending using serial port software.
5 ഓപ്പറേറ്റിംഗ് മോഡുകൾ
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.
| മോഡ് | M0 | M1 | വിവരണം |
|---|---|---|---|
| Mode 0: General Mode | ON | ON | Standard operating mode for serial open, wireless open, and transparent data transmission. |
| Mode 1: Wake-up Mode | ON | ഓഫ് | Wake-on-Air transmit mode. Packets include wake-up codes to activate receiving modules. |
| Mode 2: Battery Saving Mode | ഓഫ് | 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 | ഓഫ് | ഓഫ് | The module enters a low-power sleep state. It can still receive parameter setting commands. |

ചിത്രം 6: Illustration of full-duplex high-speed transmission, showing simultaneous data flow between two E34-DTU modules.
6. പരിപാലനം
To ensure the longevity and optimal performance of your E34-DTU-2G4D20 transceiver, consider the following maintenance guidelines:
- പരിസ്ഥിതി വ്യവസ്ഥകൾ: Operate the module within its specified temperature and humidity ranges. Avoid exposure to extreme temperatures, direct sunlight, or high moisture.
- ശുചിത്വം: Keep the module free from dust and debris. Use a soft, dry cloth for cleaning. Do not use liquid cleaners or solvents.
- കണക്ഷനുകൾ: Periodically check all cable connections (RS232/RS485, antenna, power) to ensure they are secure and free from damage.
- ആന്റിന കെയർ: Ensure the antenna is properly installed and not obstructed. Avoid bending or damaging the antenna.
- വൈദ്യുതി വിതരണം: Use only power supplies that meet the specified voltagകേടുപാടുകൾ തടയുന്നതിനുള്ള ഇ, നിലവിലെ ആവശ്യകതകൾ.
7. പ്രശ്നപരിഹാരം
If you encounter issues with your E34-DTU-2G4D20, refer to the following common troubleshooting steps:
- ശക്തിയില്ല:
- Verify the power supply is connected correctly and providing the specified voltage (8V-28V DC).
- എന്തെങ്കിലും കേടുപാടുകൾ ഉണ്ടോയെന്ന് പവർ കേബിൾ പരിശോധിക്കുക.
- പവർ സ്രോതസ്സ് സജീവമാണെന്ന് ഉറപ്പാക്കുക.
- ഡാറ്റാ ട്രാൻസ്മിഷൻ/റിസപ്ഷൻ ഇല്ല:
- 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.
- മൊഡ്യൂൾ അമിത ചൂടാക്കൽ:
- Ensure adequate ventilation around the module.
- Verify the ambient temperature is within the specified operating range.
- വൈദ്യുതി വിതരണം വോളിയമാണോ എന്ന് പരിശോധിക്കുകtage is within the acceptable limits.
8. വാറൻ്റിയും പിന്തുണയും
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.
നിർമ്മാതാവ്: EBYTE
ഉദ്യോഗസ്ഥൻ Webസൈറ്റ്: www.ebyte.com

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





