1. Įvadas
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. Savybės
- Measured communication distance up to 2.5km.
- 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.
- Veikimo ttage diapazonas: nuo 2.6 V iki 3.3 V.
- 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. Specifikacijos
Figure 2: Main technical parameters of the E49-400T20D module.
| Parametras | Aprašymas |
|---|---|
| Produkto dydis | 36 mm * 21 mm |
| Antena | SMA |
| Darbo dažnis | 410 ~ 510 MHz |
| Didžiausia Tx galia (dBm) | 20.0dBm |
| Referencinis atstumas | 2.5 km |
| Veiklos ttage | 2.6 V ~ 5.5 V |
| Ryšio sąsaja | UART |
| Jautrumo priėmimas | -116~-117kbps |
| Miego srovė | 0.7 µA |
Figure 3: Dimensions of the E49-400T20D module (36mm x 21mm).
4. Sąranka
To set up the E49-400T20D wireless module, follow these general guidelines:
- Maitinimas: Connect the module to a stable power supply within the 2.6V to 3.3V range. Ensure correct polarity to prevent damage.
- Antenos jungtis: Attach a compatible 433MHz/470MHz SMA antenna to the module's SMA interface. A properly connected antenna is crucial for optimal performance.
- UART jungtis: 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.
- Konfigūracija: Refer to the module's detailed datasheet for specific register configurations, including setting the desired operating mode, transmission power, and data rate.
5. Veikimo režimai
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. Priežiūra
To ensure the longevity and optimal performance of your E49-400T20D module, adhere to the following maintenance guidelines:
- Aplinkos sąlygos: 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.
- Tvarkymas: Handle the module with care to prevent physical damage. Avoid static discharge by using appropriate ESD precautions when handling.
- Valymas: Jei reikia, švelniai nuvalykite modulio išorę sausa, minkšta šluoste. Nenaudokite skystų valiklių ar tirpiklių.
- Antenos priežiūra: 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. Problemų sprendimas
If you encounter issues with your E49-400T20D module, consider the following troubleshooting steps:
- Nėra ryšio:
- Patikrinkite maitinimo šaltinio tūrįtage ir poliškumas.
- 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:
- Ensure the antenna is securely connected and undamaged.
- 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.
- Modulis neatsako:
- Perform a power cycle (turn off and on) to reset the module.
- Dar kartą patikrinkite visas laidų jungtis.
8. Paraiškos
The EBYTE E49-400T20D module is versatile and suitable for a wide array of IoT and industrial applications, including but not limited to:
- Nešiojami prietaisai
- Išmanieji namai ir pramoniniai jutikliai
- Security systems and positioning systems
- Wireless remote control and unmanned drones
- Wireless game remote controls
- Sveikatos priežiūros produktai
- Wireless voice communication and wireless headsets
- Taikymas automobilių pramonėje
Figure 6: Various IoT application scenarios for EBYTE products, including smart home, remote control, access control, and security systems.
9. Garantija ir palaikymas
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.
Gamintojas: Chengdu Ebyte Electronic Technology Co. Ltd.
Websvetainė: www.cdebyte.com
ES atstovas: evalmaster Consulting GmbH
Figure 7: Product packaging displaying manufacturer and EU representative information.
