1. Introduction
The SmallRig 5566 Wireless Tethering Hub is designed to provide seamless remote monitoring and control for various cameras, enhancing your photography and videography experience, especially in challenging environments. This hub utilizes Wi-Fi 6 technology to offer a stable connection over long distances, allowing you to capture moments without disturbing your subjects.

Image: SmallRig 5566 Wireless Tethering Hub, front-side view.
2. What's in the Box
Please check the package contents upon receipt to ensure all items are present:
- SmallRig 5566 Wireless Tethering Hub x 1
- USB-C to USB-C Cable x 1
- User Manual x 1
- Guarantee Card x 1

Image: Contents of the box: SmallRig 5566 Wireless Tethering Hub and a USB-C to USB-C cable.
3. Product Overview
The SmallRig 5566 Wireless Tethering Hub features a compact and robust design. Key components include:
- 1/4" Screw Holes: For mounting the hub to various camera rigs, cages, or tripods.
- USB-C Charging Port: For powering the device.
- Reset Button: To reset the device if needed.
- Indicator Light: Provides status feedback.

Image: Top and bottom views of the hub, showing 1/4" screw holes, USB-C charging port, reset button, and indicator light.
4. Specifications
| Feature | Specification |
|---|---|
| Model | 5566 |
| Dimensions | 104.0mm x 102.0mm x 37.0mm |
| Weight | 218g (7.7oz) |
| Power Consumption | 3W |
| Operating Temperature | -40°C ~ 60°C |
| Operating Humidity Range | 10% ~ 90% |
| Wireless Technology | Wi-Fi 6 |
| Remote Control Range | Up to 500m (1640ft) |
| Response Time | 0.06 seconds |
| Multi-Camera Support | Up to 5 devices (digital mirrorless cameras support one-to-many, action cameras support one-to-one) |
| Origin | Mainland China |

Image: Dimensions of the SmallRig 5566 Wireless Tethering Hub.
5. Setup & Installation
The SmallRig 5566 Wireless Tethering Hub is designed for versatile mounting and easy integration into your camera setup.
5.1 Mounting the Hub
The hub features multiple 1/4" screw holes, allowing it to be securely attached to various camera accessories:
- On Camera Rigs/Cages: Use the 1/4" screw holes to mount the hub directly onto your camera cage or rig for a compact setup.
- On Tripods/Stands: Attach the hub to a tripod or light stand using the 1/4" screw holes for elevated or remote placement.
- With Accessories: The hub is compatible with accessories like power banks (e.g., SmallRig 2790) and mini V-lock mount plates (e.g., SmallRig MD2801B) for extended power and flexible mounting options.

Image: Hub mounted on a camera rig and on a tripod.

Image: Hub connected to camera setup with power bank and V-lock mount plate.
5.2 Powering the Device
Connect the USB-C charging port on the hub to a suitable power source using the provided USB-C cable. The indicator light will show the power status.
6. Operating Instructions
The SmallRig 5566 Wireless Tethering Hub enables remote control and monitoring of your cameras via a dedicated app.
6.1 Remote Monitoring and Control
The hub allows you to control your camera remotely from up to 500m (1640ft) away. This is particularly useful for wildlife photography or shooting in inaccessible locations.
- Connect via App: Download and install the dedicated SmallRig app on your smartphone or tablet.
- Establish Connection: Follow the in-app instructions to connect your device to the Wireless Tethering Hub's Wi-Fi network. The hub's Wi-Fi name typically starts with 'SmallRig_2.4G_xxxx' or 'SmallRig_5G_xxxx'.
- Camera Compatibility: The hub supports simultaneous multi-camera control. Digital mirrorless cameras typically support one-to-many connections, while action cameras support one-to-one connections.
- Real-time Feedback: Experience a 0.06-second response time for real-time monitoring and control, ensuring you don't miss critical moments.

Image: Remote monitoring and operating for wildlife photography.
6.2 Multi-Camera Shooting
The hub supports synchronized multi-camera shooting, allowing you to control and switch between up to 5 devices for seamless capture. This feature is ideal for capturing different angles or perspectives simultaneously.

Image: Overview of key features including multi-camera control and remote monitoring.
Video: Promotional video showcasing the features and applications of the SmallRig 5566 Wireless Tethering Hub.
7. Maintenance
To ensure the longevity and optimal performance of your SmallRig 5566 Wireless Tethering Hub, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the hub in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Environmental Conditions: The device is designed to operate in a wide temperature range (-40°C to 60°C) and humidity (10% to 90%), but prolonged exposure to extreme conditions should be avoided.
- Firmware Updates: Regularly check for and install any available firmware updates for the hub and its companion app to ensure optimal performance and compatibility.
8. Troubleshooting
If you encounter issues with your Wireless Tethering Hub, refer to the following common questions and solutions:
- Q1: What is the difference in the working principle between connecting with a digital camera and a mirrorless camera to Wi-Fi?
- A1: DJI cameras use a relay-type Wi-Fi connection, and the SSID is hidden. One mobile phone is required to activate the Wi-Fi, while another phone or tablet is needed to connect to it for monitoring. When connecting the DJI Insta360 setup, the Wi-Fi name suffix appears as XXXX_EXT_2.4G or XXXX_EXT_5G. GoPro action cameras do not support external Wi-Fi connections and cannot be used in Wi-Fi networking setups. Mirrorless cameras connect with an access-style Wi-Fi method, similar to how a smartphone connects. The Wi-Fi name suffix is SmallRig_2.4G_xxxx or SmallRig_5G_xxxx.
- Q2: What should be noted when setting the repeater's Wi-Fi password?
- A2: The password must be 8-63 characters long and combine letters and numbers (to comply with authentication security requirements). Set a password that is easy to remember. If you forget the password, press and hold the reset button for 5 seconds to reboot, then follow the prompts to set a new password.
- Q3: Is the operation for connecting cameras of the same brand but different models the same for the repeater's Wi-Fi?
- A3: The operation may vary slightly. It is recommended to upgrade to the latest firmware. If the camera is connected to a monitor/phone/pad, it will automatically reconnect within communication range if power is interrupted temporarily.
- Q4: What should be considered regarding the installation and placement of the repeater?
- A4: Frequency Band Selection: The repeater supports both 2.4GHz and 5GHz. The 2.4GHz band has stronger obstacle penetration and longer range, but lower transmission rates. The 5GHz band offers higher data capacity and faster speeds, but weaker penetration and shorter range. Choose based on the number of cameras, data traffic requirements, and the actual environment.
Installation Environment: The repeater should be mounted at least 2 meters above the ground, and ensure there are no large metal barriers or dense walls around to guarantee good signal coverage.
Layout Suggestion: If the deployment area has obstructions such as buildings, hills, or other obstacles, it is recommended to use a multi-repeater "triangular layout" to enhance signal stability and reliability. - Q5: Why might a camera fail to connect or disconnect from the repeater network?
- A5: Distance may be too far, exceeding the connection range. Signal interference or shielding may be present. The battery may be depleted or powered off.
- Q6: How can users obtain detailed operation guides for different camera models?
- A6: Printed manuals (English) are available on the official website. Scan the QR code in the manual to access the digital manual (English). Scan the QR code on the bottom of the device to watch instructional videos (English).
9. User Tips
- Optimal Placement: For best performance, especially over long distances or in environments with obstacles, ensure the hub is placed at least 2 meters above ground and away from large metal objects or thick walls. Consider a 'triangular layout' with multiple repeaters for complex terrains.
- Power Management: Since the hub does not have a built-in battery, always ensure a reliable power source (e.g., a power bank) is connected for uninterrupted operation. A 10000mAh power bank can provide approximately 10 hours of operation.
- Firmware Updates: Keep the hub's firmware and the companion app updated to benefit from the latest features, improvements, and bug fixes.
- Password Security: When setting up your Wi-Fi network, choose a strong, memorable password (8-63 characters, alphanumeric) to protect your connection.
10. Warranty & Support
SmallRig products are manufactured to high-quality standards. For warranty information and technical support, please refer to the guarantee card included in your package or visit the official SmallRig website. If you require further assistance, please contact SmallRig customer service.
Note: A PDF user manual for the CL-80Bi Outdoor Handheld Video Light is available at this link. Please be aware that this PDF is for a different product (video light) and its instructions may not apply to the Wireless Tethering Hub.





