1. 서론
The EBYTE E49-400T20D is an ultra-high cost-effective wireless module designed for reliable and long-range data transmission. It operates in the 410-510MHz frequency band, offering a maximum transmit power of 20dBm (100mW) and a communication distance of up to 2.5km. This module is suitable for a wide range of industrial-grade applications, ensuring robust performance and consistency.
Figure 1: EBYTE E49-400T20D Wireless Module with SMA antenna interface.
2. 특징
- 측정된 통신 거리는 최대 2.5km입니다.
- Maximum transmit power of 100mW (20dBm), software adjustable at multiple levels.
- Utilizes the global license-free ISM 433MHz frequency band.
- Data transmission rate: 1.2Kbps to 200Kbps.
- Low power consumption mode, ideal for battery-powered applications.
- GFSK modulation for reliable data transfer.
- 운영 볼륨tag범위: 2.6V ~ 3.3V.
- Industrial-grade standard design for long-term use in temperatures from -40°C to 85°C.
- SMA antenna interface for easy connection.
- Data encryption function for enhanced security and reduced interference.
3. 사양
Figure 2: Main technical parameters of the E49-400T20D module.
| 매개변수 | 설명 |
|---|---|
| 제품 크기 | 36mm * 21mm |
| 안테나 | 영어: SMA (중간언어) |
| 작동 주파수 | 410~510MHz |
| 최대 송신 전력(dBm) | 20.0dBm |
| 기준 거리 | 2.5km |
| 운영 볼륨tage | 2.6V~5.5V |
| 통신 인터페이스 | 유아트 |
| 수신 감도 | -116~-117kbps |
| 수면 전류 | 0.7μA |
Figure 3: Dimensions of the E49-400T20D module (36mm x 21mm).
4. 설정
To set up the E49-400T20D wireless module, follow these general guidelines:
- 전원 공급 장치: Connect the module to a stable power supply within the 2.6V to 3.3V range. Ensure correct polarity to prevent damage.
- 안테나 연결: Attach a compatible 433MHz/470MHz SMA antenna to the module's SMA interface. A properly connected antenna is crucial for optimal performance.
- UART 연결: Connect the module's UART pins (TX, RX, GND) to your microcontroller or host device. Ensure the baud rate and other serial communication parameters are correctly configured on both ends.
- 구성: Refer to the module's detailed datasheet for specific register configurations, including setting the desired operating mode, transmission power, and data rate.
5. 작동 모드
The E49-400T20D module features four distinct operating modes, each optimized for different application scenarios. These modes allow for flexibility in balancing power consumption, transmission speed, and range. Users can configure the module to select the most suitable mode for their specific needs.
The module supports configurable air data speeds, ranging from 1.2Kbps to 200Kbps. Higher air data speeds result in faster data transmission and shorter transmission delays, while lower speeds can achieve longer transmission distances.
Figure 4: Illustration of configurable air data speeds (1.2kbps, 2.4kbps, 200kbps).
6. 유지관리
To ensure the longevity and optimal performance of your E49-400T20D module, adhere to the following maintenance guidelines:
- 환경 조건: Operate the module within its specified industrial-grade temperature range of -40°C to 85°C. Avoid exposure to extreme temperatures, high humidity, or corrosive environments.
- 손질: Handle the module with care to prevent physical damage. Avoid static discharge by using appropriate ESD precautions when handling.
- 청소: If necessary, gently clean the module's exterior with a dry, soft cloth. Do not use liquid cleaners or solvents.
- 안테나 관리: Ensure the antenna connection is secure and the antenna itself is not damaged. A damaged antenna can significantly reduce performance.
Figure 5: The module is designed for long-term use in temperatures from -40°C to 85°C.
7. 문제 해결
E49-400T20D 모듈에 문제가 발생하면 다음 문제 해결 단계를 고려하세요.
- 통신 없음:
- 전원 공급 장치 볼륨 확인tag전자와 극성.
- Check UART connections (TX to RX, RX to TX) and ensure correct baud rate settings.
- Confirm that the module is in an active operating mode and not in a low-power sleep state.
- Poor Range or Signal Strength:
- 안테나가 단단히 연결되어 있고 손상되지 않았는지 확인하십시오.
- Check for obstructions between modules (e.g., walls, metal objects).
- Verify that the transmit power is set to the desired level (e.g., 20dBm for maximum range).
- Consider environmental interference from other RF devices.
- 모듈이 응답하지 않음:
- Perform a power cycle (turn off and on) to reset the module.
- 모든 배선 연결 상태를 다시 확인하십시오.
8. 응용 프로그램
The EBYTE E49-400T20D module is versatile and suitable for a wide array of IoT and industrial applications, including but not limited to:
- 웨어러블 디바이스
- 스마트 홈 및 산업용 센서
- Security systems and positioning systems
- Wireless remote control and unmanned drones
- Wireless game remote controls
- 건강 관리 제품
- Wireless voice communication and wireless headsets
- 자동차 산업 응용
Figure 6: Various IoT application scenarios for EBYTE products, including smart home, remote control, access control, and security systems.
9. 보증 및 지원
For warranty information, technical support, or further inquiries regarding the EBYTE E49-400T20D module, please contact the manufacturer directly. EBYTE products undergo rigorous testing to ensure industrial reliability and batch consistency.
제조업체: Chengdu Ebyte Electronic Technology Co. Ltd.
Web대지: www.cdebyte.com
EU 대표: evalmaster 컨설팅 GmbH
Figure 7: Product packaging displaying manufacturer and EU representative information.
