1. Introduction
This manual provides instructions for the Grandstream GUV3100 1080P30 H.264 Webcam. The GUV3100 is designed to facilitate high-quality audio and video collaboration, offering 1080p Full HD real-time video and integrated omnidirectional microphones. It is compatible with major third-party communication platforms, making it suitable for web meetings and video conferences.
2. Package Contents
Verify that all items are present in your package:
- Grandstream GUV3100 Webcam with integrated USB 2.0 cable
- Quick Installation Guide (not included in this digital manual)
3. Product Overview
The Grandstream GUV3100 webcam features a 2-megapixel CMOS image sensor for clear video capture and two built-in omnidirectional microphones for voice pickup. Its adjustable clip allows for versatile mounting on monitors, laptops, or flat surfaces.

Figure 3.1: Front-side view of the Grandstream GUV3100 Webcam, showing the lens, indicator lights, and attached USB cable.

Figure 3.2: Front view of the Grandstream GUV3100 Webcam, highlighting the camera lens and microphone array.

Figure 3.3: Angled view of the Grandstream GUV3100 Webcam, showing the device from a different perspective with its USB cable.

Figure 3.4: Side view of the Grandstream GUV3100 Webcam, illustrating the adjustable mounting clip.
Key Features:
- 1080p Full HD video at 30 frames per second (H.264 encoding)
- 2-megapixel CMOS image sensor
- Two built-in omnidirectional microphones with 1+ meter voice pickup range
- USB 2.0 connectivity for plug-and-play setup
- Compatible with major communication platforms
- Adjustable mounting clip for various display types
4. Setup and Installation
The GUV3100 webcam is designed for simple plug-and-play installation.
- Mounting the Webcam:
- Open the flexible clip base of the webcam.
- Position the webcam on top of your computer monitor, laptop screen, or a flat surface. Ensure the front of the webcam is facing you.
- Adjust the clip so that it securely grips the top edge of your display or rests stably on the surface.
- Connecting to Your Computer:
- Plug the USB 2.0 connector from the webcam into an available USB port on your computer.
- Your operating system (Windows, macOS, Linux) should automatically detect and install the necessary drivers. This process may take a few moments.
- Once installed, the webcam will be ready for use with compatible applications.
No additional software installation is typically required for basic functionality.
5. Operation
After successful installation, the GUV3100 webcam can be used with various video conferencing and recording applications.
- Selecting the Webcam:
- Open your preferred video communication application (e.g., Zoom, Microsoft Teams, Google Meet, Skype).
- Navigate to the application's settings or preferences menu, typically under "Audio & Video" or "Devices."
- Select "Grandstream GUV3100" as your video input device.
- Select "Grandstream GUV3100" or a similar entry as your microphone input device.
- Video Indicator Light:
- A small LED indicator light on the webcam will illuminate when the camera is actively in use by an application.
- Adjusting Settings:
- Some applications may allow for further adjustments to video quality, brightness, contrast, and microphone sensitivity. Refer to your application's documentation for specific settings.
6. Maintenance
Proper care ensures the longevity and optimal performance of your webcam.
- Cleaning the Lens: Gently wipe the camera lens with a soft, lint-free cloth. For stubborn smudges, use a lens cleaning solution specifically designed for optical surfaces. Avoid abrasive materials or harsh chemicals.
- Cleaning the Body: Use a soft, dry cloth to clean the body of the webcam. Do not use liquid cleaners directly on the device.
- Storage: When not in use for extended periods, store the webcam in a clean, dry place away from extreme temperatures and direct sunlight.
- Avoid Moisture: Do not expose the webcam to water or excessive humidity.
- Cable Care: Avoid bending or crimping the USB cable excessively to prevent internal damage.
7. Troubleshooting
If you encounter issues with your GUV3100 webcam, refer to the following common solutions:
- No Video/Image:
- Ensure the USB cable is securely plugged into both the webcam and your computer.
- Try plugging the webcam into a different USB port on your computer.
- Restart your computer.
- Verify that the webcam is selected as the video input device in your application's settings.
- Check your operating system's privacy settings to ensure applications have permission to access the camera.
- No Audio/Microphone Not Working:
- Ensure the webcam (Grandstream GUV3100) is selected as the microphone input device in your application's settings.
- Check your computer's sound settings to ensure the microphone is enabled and not muted.
- Adjust the microphone input level in your computer's or application's sound settings.
- Check your operating system's privacy settings to ensure applications have permission to access the microphone.
- Poor Video Quality:
- Ensure the camera lens is clean.
- Check lighting conditions; sufficient lighting is crucial for good video quality.
- Verify that your application is set to use the highest available video resolution (e.g., 1080p).
- Ensure your computer meets the minimum system requirements for 1080p video processing.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Grandstream |
| Model Number | GUV3100 |
| Video Capture Resolution | 1080p (Full HD) |
| Photo Sensor Technology | CMOS (2-megapixel) |
| Connectivity Technology | USB 2.0 |
| Microphones | 2 Built-in Omnidirectional Microphones (1+ meter voice pickup) |
| Special Feature | Low Light Performance |
| Color | Black |
| Item Weight | 5.3 ounces (approx. 150 grams) |
| Product Dimensions | 4.02 x 1.81 x 1.18 inches (approx. 10.2 x 4.6 x 3 cm) |
9. Warranty and Support
For warranty information and technical support, please refer to the official Grandstream website or contact their customer service department. Keep your purchase receipt as proof of purchase for warranty claims.





