1. Introduction
The Quectel EC200U series is an LTE Cat 1 wireless communication module designed for Machine-to-Machine (M2M) and Internet of Things (IoT) applications. It supports a maximum downlink rate of 10 Mbps and a maximum uplink rate of 5 Mbps, offering high cost-effectiveness. This module is compatible with various LTE Standard modules including EC20-CE, EC20-CN, EC200S series, EC21 series, EG21-G, EC25 series, and EG25-G in terms of packaging, allowing for flexible integration.
The EC200U series is available in three models: EC200U-CN, EC200U-EU, and EC200U-AU, providing frequency band coverage for different global regions. The module utilizes laser engraving technology for an enhanced appearance, improved heat dissipation, and better adaptability for automated manufacturing processes.
Equipped with rich network protocols and multiple industry-standard interfaces, the EC200U series supports various drivers and software functions, including USB drivers for Windows 7/8/8.1/10/11, Linux, and Android operating systems. This broad compatibility expands its application in fields such as POS systems, POC devices, ETC solutions, shared devices, data cards, energy control, security systems, and industrial-grade PDAs.
Key Features:
- Multi-network standard coverage
- Rich functional interfaces
- Support for analog audio
- Built-in GNSS (optional)
- Supports Bluetooth (optional) and Wi-Fi Scan function (optional)
- Support for DFOTA remote upgrade
- Ultra-high cost-effectiveness

2. Setup Instructions
This section provides guidance for setting up your EC200U-CN Module Development Core Board.
2.1 Component Overview


2.2 Power-On Solutions
The module supports two primary power-on methods:
- Default Power-On: The module is configured for automatic boot by default.
- POWRKEY Power-On Solution: For specific applications requiring control over the power-on sequence, a POWRKEY solution is available.
Special Note for Developers:
For hardware developers intending to use the POWRKEY boot solution, it is necessary to remove the material with bit number R3 and C1. Then, short the 5-12V line to the PWK/RST pin after receiving the goods. This modification enables the POWRKEY functionality.

2.3 SIM Card Installation
The development board uses a Nano SIM card. Locate the SIM card slot on the bottom side of the board (refer to Figure 3). Insert the Nano SIM card carefully into the slot until it clicks into place.
2.4 Antenna Connection
Connect the appropriate LTE antenna to the IPEX 1 antenna interface on the module. Ensure a secure connection for optimal signal reception.

3. Operating Instructions
Once the module is set up with power and SIM card, it is ready for integration into your M2M or IoT application.
3.1 Power Supply
The module requires a 5V-12V DC power supply. Connect the power source to the designated power input pins on the development board.
3.2 Communication Interfaces
The module provides various interfaces for communication:
- USB: The module features a USB 2.0 interface for data communication and debugging.
- UART: A 3.3V TTL UART interface is available for serial communication.
- LED Indicators: Power and network status are indicated by LEDs on the board.
3.3 Driver Installation
For PC-based development or integration, install the necessary drivers. The EC200U series supports USB drivers for:
- Windows 7/8/8.1/10/11
- Linux
- Android operating systems
Refer to the official Quectel documentation or contact support for the latest driver packages.
3.4 Typical Applications
The EC200U-CN module is suitable for a wide range of M2M and IoT applications, including:


3.5 Product Overview Video
4. Maintenance
Proper maintenance ensures the longevity and reliable operation of your EC200U-CN module.
4.1 Software Updates (DFOTA)
The module supports DFOTA (Delta Firmware Over-The-Air) for remote firmware upgrades. This allows for convenient updates to improve performance, add features, or address security vulnerabilities without physical access to the module. Consult Quectel's documentation for detailed DFOTA procedures.
4.2 Environmental Considerations
- Operate the module within the specified operating temperature range of -40°C to 85°C.
- Avoid exposing the module to excessive moisture, dust, or extreme temperatures outside the specified range.
- Ensure adequate ventilation if the module is enclosed to prevent overheating.
4.3 Cleaning
If cleaning is necessary, use a soft, dry cloth. Avoid using harsh chemicals or solvents that could damage the module's components.
5. Troubleshooting
This section provides solutions to common issues you might encounter with the EC200U-CN module.
5.1 Module Not Powering On
- Check Power Supply: Ensure the power supply is connected correctly and provides 5V-12V DC.
- Verify Power-On Method: If using the POWRKEY solution, confirm that the R3 and C1 components have been removed and the PWK/RST pin is correctly shorted to 5-12V as per the setup instructions. The default automatic boot should work without this modification.
- Inspect Connections: Ensure all power connections are secure.
5.2 No Network Connectivity
- SIM Card: Verify that the Nano SIM card is correctly inserted and activated with a valid data plan.
- Antenna: Ensure the LTE antenna is securely connected to the IPEX 1 interface.
- Signal Strength: Check the network signal strength in your location. Poor signal can lead to connectivity issues.
- Driver Installation: Confirm that the correct USB drivers are installed on your host system (if applicable).
- Network Band: Ensure the module's supported network bands (LTE-TDD B34/38/39/40/41, LTE-FDD B1/3/5/8) are compatible with your local network provider.
5.3 Communication Issues (USB/UART)
- Driver Check: Reinstall or update the USB/UART drivers on your operating system.
- Cable Integrity: Use a known good USB cable.
- Port Selection: Ensure the correct COM port or USB device is selected in your application.
6. Specifications
The following table details the technical specifications of the EC200U-CN Module Development Core Board.

| Project | Description |
|---|---|
| Product Name | LTE USB Dongle |
| Model | CC-Dongle-EC200UCNAA |
| Package | USB 2.0 + MIX 1.25(4PIN) |
| Power | 5V-12V DC |
| UART | 3.3V TTL (Default) |
| Antenna interface | IPEX 1 |
| SIM Card | Nano SIM |
| LED | Power/Network light |
| USB | Yes |
| Size | 48*30 (Including pin height) |
| Operating temperature | -40°C - 85°C |
| Network Band | LTE-TDD B34/38/39/40/41, LTE-FDD B1/3/5/8 |
| Network speed | LTE(Mbps) 150(DL)/50(UL) |
| Network protocol | TCP/UDP/PPP/FTP/HTTP/NTP/PING/QMI/NITZ/SMTP/MQTT/CMUX/HTTPS/FTPS/SMTPS/SSL/MMS/FILE |
| Function | CAT1+GNSS |
7. User Tips
Here are some tips to enhance your experience with the EC200U-CN module:
- Consult Datasheets: For in-depth technical details, pinouts, and advanced configurations, always refer to the official Quectel EC200U-CN datasheets and application notes.
- Proper Power Management: Ensure your power supply is stable and within the specified voltage range (5V-12V DC) to prevent unexpected behavior or damage.
- Antenna Placement: For optimal cellular performance, position the antenna in an area with good signal reception, away from metallic obstructions.
- Software Development Kits (SDKs): Utilize Quectel's SDKs and development tools for easier integration and application development.
- Test Environment: When developing, start with a controlled test environment before deploying the module in critical applications.
8. Warranty and Support
For technical assistance, product support, or inquiries regarding the EC200U-CN Module Development Core Board, please contact the seller, Jaguar Tech Store.
8.1 Technical Support
FAE (Field Application Engineer) online support is available. Please note that support hours may be based on China time.
8.2 Documentation
If you require datasheets or additional technical documentation for this item, please feel free to contact the seller. They can provide the necessary resources to assist with your development and integration needs.





