1. Introduction
The eppfun CS500 Wireless HDMI Transmitter and Receiver system provides a convenient solution for extending HDMI signals wirelessly. This kit allows you to transmit 1080P video and audio from a source device to a display device without the need for long HDMI cables. It is designed for stable and efficient transmission, ideal for presentations, home entertainment, and various screen sharing applications.

Image: The eppfun CS500 Wireless HDMI Transmitter and Receiver units.
2. Package Contents
Please check the package for the following items:
- Transmitter (TX) x 1
- Receiver (RX) x 1
- User Manual x 1
- Micro USB Power Cables (quantity may vary, typically two are included for TX and RX)

Image: Diagram illustrating the transmitter and receiver units and their connections.
3. Key Features
- High-Quality Wireless HDMI Transmission: Utilizes advanced transmission technology for faster and more stable signal delivery. Features a low latency of approximately 129ms.
- Extended Range: Supports wireless HDMI transmission up to 30 meters (approximately 98 feet) between the source and display, depending on the environment.
- 1080P HD Resolution: Supports video resolutions up to 1920x1080 at 60Hz. Maintains video quality through automatic encoding, transmission, and decoding, supporting full RGB color gamut without compression or artifacts. Note: Not compatible with 4K resolution.
- Plug and Play: Simple setup with automatic pairing. No drivers or complex configurations required. The system is designed for 1-to-1 matching and does not support pairing with multiple transmitters or receivers.
- Wide Compatibility: Compatible with most HDMI output devices including laptops, PCs, Blu-ray players, cameras, DVDs, DVRs, IPTV boxes, set-top boxes, and cable/satellite boxes. Supports screen sharing from Windows, MacOS, and Android devices.
- Versatile Applications: Ideal for educational settings, home theater systems, and streaming content.

Image: Visual representation of 1080p HD resolution in conference and home theater scenarios.

Image: Illustration of wireless HDMI signal transmission, highlighting the convenience of operating devices away from the display.
4. Setup Instructions
Follow these steps to set up your eppfun CS500 Wireless HDMI system:
- Connect the Transmitter (TX): Plug the Transmitter (TX) unit into the HDMI output port of your source device (e.g., PC, laptop, Blu-ray player).
- Connect the Receiver (RX): Plug the Receiver (RX) unit into an available HDMI input port on your display device (e.g., HDTV, projector, monitor).
- Provide Power: Connect a Micro USB power cable to both the Transmitter (TX) and Receiver (RX) units. Plug the other end of the Micro USB cables into a USB power source, such as a USB port on your display, a laptop, or a standard USB power adapter (5V/1A recommended).
- Power On Devices: Ensure both your source device and display device are powered on.
- Automatic Pairing: The Transmitter and Receiver will automatically pair. This process may take a few seconds. Once paired, the content from your source device will appear on your display.
Note: This product supports a 1-to-1 connection only. It cannot be paired with multiple transmitters or receivers simultaneously.

Image: Step-by-step visual guide for the plug-and-play setup.
5. Operating Instructions
Once the setup is complete and the devices are paired, operation is straightforward:
- Ensure both the Transmitter (TX) and Receiver (RX) are powered and connected to their respective devices.
- The system will automatically mirror or extend your source device's display to the connected monitor or projector.
- Adjust the display settings on your source device (e.g., laptop) if you wish to change between mirror mode or extended display mode.

Image: The eppfun CS500 in action, demonstrating its use in a conference setting and a home theater setup.
6. Maintenance
To ensure the longevity and optimal performance of your eppfun CS500, please follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the devices. Avoid using liquid cleaners or aerosols.
- Storage: Store the devices in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Handle the units and cables with care to prevent damage. Avoid bending or twisting the HDMI connectors excessively.
- Power Management: Disconnect the Micro USB power cables from both the TX and RX units when not in use for extended periods to prevent unnecessary power consumption and potential overheating.
7. Troubleshooting
If you encounter issues with your eppfun CS500, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No signal or display on screen. | Loose connections, no power, incorrect display input. |
|
| Intermittent signal or poor video quality. | Obstructions, excessive distance, interference. |
|
| Units are not pairing automatically. | Power issue, incorrect connection, unit malfunction. |
|
| Noticeable lag or delay in video/audio. | Inherent to wireless transmission, environmental factors. |
|
| Device feels warm during operation. | Normal operation, continuous power. |
|
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | CS500 (Manufacturer Model: AKX) |
| Brand | eppfun |
| Compatible Devices | TV, Laptop, Projector, Monitor |
| Connector Type | HDMI, Micro USB |
| Color | Black |
| Item Weight | 20 grams |
| Max Resolution | 1920x1080 @ 60Hz (1080P) |
| 4K Support | No (Not compatible with 4K) |
| Transmission Distance | Up to 30 meters (approx. 98 feet) |
| Latency | Approx. 129ms |
| Power Source | Micro USB (5V/1A recommended) |
| UPC | 710421186480 |
9. Warranty and Support
The eppfun CS500 Wireless HDMI Transmitter & Receiver comes with a 1-year manufacturer quality warranty.
We prioritize your shopping experience. If you have any questions or encounter any issues with your product, please do not hesitate to contact our customer support. We are committed to resolving your concerns as quickly as possible.
For support, please refer to the contact information provided on the product packaging or the official eppfun website.

Image: eppfun brand logo.