1. Introducción
This manual provides instructions for the TIMBOOTECH 4K Wireless HDMI Transmitter and Receiver. This device facilitates wireless transmission of HDMI video and audio signals, supporting 4K input and 1080P output. It operates on dual-band 2.4G/5.8GHz wireless connectivity and offers features such as multi-transmitter support, dual-screen output (HDMI & VGA), and mirroring/extension modes.
2. ¿Qué hay en la caja?
- 1x Transmisor inalámbrico HDMI (TX)
- 1 receptor inalámbrico HDMI (RX)
- Cable de audio 1x
- 2x Type-C USB Cables
- 1 cable HDMI
- 1 adaptador micro HDMI
- 1x adaptador mini HDMI
- 1x Manual de instrucciones

3. Producto terminadoview
The TIMBOOTECH Wireless HDMI system consists of a Transmitter (TX) and a Receiver (RX) unit. The TX unit connects to your source device, and the RX unit connects to your display.
Transmisor (TX)
The Transmitter (TX) is a compact device with an integrated HDMI connector and a USB-C port for power. It sends the video and audio signal wirelessly to the Receiver.

Receptor (RX)
The Receiver (RX) unit features HDMI, VGA, and 3.5mm audio output ports, along with two external antennas for signal reception and a USB-C port for power. It receives the wireless signal from the TX and outputs it to your display.


4. Instrucciones de configuración
Follow these steps to set up your TIMBOOTECH Wireless HDMI system:
- Connect the external antennas to the Receiver (RX) unit.
- Connect the RX unit to your display (TV, monitor, or projector) using an HDMI cable or a VGA cable (VGA cable not included).
- Connect the USB-C power cable to the RX unit and plug it into a power source (e.g., TV's USB port or a USB power adapter).
- Connect the Transmitter (TX) unit to your source device (laptop, PC, gaming console, etc.) via its HDMI connector.
- Connect the USB-C power cable to the TX unit and plug it into a power source. The TX unit requires external power for operation.

Video: This video demonstrates the physical connection process for the Wireless HDMI Transmitter and Receiver, showing how to plug in the components to a laptop and monitor.
Video: An unboxing and initial setup guide for the TIMBOOTECH 4K Wireless HDMI Kit, showing the components and basic assembly.
5. Instrucciones de funcionamiento
Emparejamiento de dispositivos
Las unidades TX y RX vienen preemparejadas de fábrica. Si es necesario volver a emparejarlas:
- Ensure both TX and RX are powered on and connected to their respective devices.
- Long press the button on the back of the RX unit for 3 to 5 seconds. The display will show "Ready to Pair".
- Then, long press the middle button on the TX unit for 5 to 8 seconds.
- When the indicator light on the TX is flashing, the display will show "Pairing OK". The indicator light will then become solid, indicating successful pairing.

Capacidad Multi-TX
The system supports connecting up to 8 Transmitters (TXs) to one Receiver (RX). To switch between different TX units, simply click the middle button on the desired TX unit.

Dual Screen Functionality (HDMI & VGA)
The Receiver (RX) unit features both HDMI and VGA output ports, allowing for simultaneous display on two monitors. This can enhance productivity for presentations or multimedia projects. An audio output port is also available for connecting external speakers.

Mirror & Extend Mode
The system supports both mirroring and extending display modes, providing flexibility for various applications. In mirror mode, the same content is displayed on both screens. In extend mode, different content can be displayed, expanding your workspace.

Phone/Tablet Casting (Receiver Function)
The Receiver (RX) can function independently to cast content from phones, tablets, or other portable devices to a larger display. This feature supports 4K HDR movies via WiFi.
How to connect the Receiver from your phone to the TV:
- Plug the external antenna cables into the RX, and also plug the USB cable into a power adapter (5V/1A).
- Plug the RX into the TV. You will see a blue main screen.
Para dispositivos Android: Find the "Screen Mirroring" function in your settings, select the RX device (e.g., "RX-BF3AB555") as the target, then enable mirroring.
Para dispositivos Windows: Press "Win+P", click the mirror function, then it is done.
Para el sistema iOS:
- Go to your iPhone's WiFi setting, choose the RX device (e.g., "RX-BF3AE0BF").
- Click "Internet", access the IP address "192.168.203.1".
- Choose your home WiFi and password (12345678), and wait for the TV screen's icon in the upper right corner to show that the connection is successful.
- Then go back to your iPhone's WiFi setting, choose your home WiFi.
- Tap Airplay, choose "RX-BF3AE0BF", and it will auto stream.

Adjustable WiFi Channels
Para optimizar viewing experience and reduce interference, you can adjust the WiFi channels:
- Plug the receiver/RX to your TV and power it on.
- Go to your phone's WiFi settings and find the WiFi named "RX-xxxx", then enter the password: 12345678.
- Launch a browser on your phone and enter the IP address "192.168.203.1". Choose "Wireless channel", select the 5G as your WiFi mode.
- Choose your country, and select a WiFi channel. Select a Bandwidth. WiFi channel is between 36 and 165.

6 Salida de audio
The TIMBOOTECH Wireless HDMI system supports 2.0 stereo sound output.
- If the output device is a laptop/computer, please modify the sound output source and select "RX-BXXXXXX" as the target.
- Este producto solo admite sonido estéreo 2.0 y no admite sonido estéreo 2.1, sonido estéreo 5.1, sonido estéreo 7.1 ni sonido Dolby Atmos.

7. Especificaciones
| Característica | Descripción |
|---|---|
| Marca | TIMBOOTECH |
| Número de modelo | BBUSTIMHDMIDONGLE |
| Tecnología de conectividad | Inalámbrico, WiFi, HDMI, Mini HDMI, Micro HDMI, VGA |
| Características especiales | Built-In Wi-Fi, Compact Design, Plug and Play, Wireless |
| Dispositivos compatibles (TX) | Laptop, PC, gaming console, cable box, DVD, camera, recorder, DSLR, Blu-ray players, PS3/4/5/ Xbox, tablet, iPhone, iPad, smartphone |
| Dispositivos compatibles (RX) | HDTV, Monitor, Projector |
| Puertos HDMI totales | 2 (1 en TX, 1 en RX) |
| Modo de salida de audio | Support 2.0 stereo sound |
| Codificación de vídeo | Movimiento |
| Tecnología inalámbrica | Wi-Fi (2.4G/5.8GHz) |
| Rango de transmisión | Up to 165FT/50M (line of sight) |
| Potencia de salida | 10 vatios |
| Dimensiones del artículo (Pr. x An. x Al.) | 5.6" de profundidad x 2.36" de ancho x 3.46" de alto |
| Peso del artículo | 3.5 onzas |
| Color | Gris |
8. Solución de problemas
- No hay señal en la pantalla:
1. Ensure both the Transmitter (TX) and Receiver (RX) are properly powered on and their indicator lights are solid blue.
2. Verify that all HDMI/VGA and power cables are securely connected.
3. Check if the display input source is correctly selected (e.g., HDMI 1, VGA).
4. Re-pair the TX and RX units as described in the 'Pairing the Devices' section.
5. Ensure the TX unit is receiving sufficient power. Some source devices may not provide enough power, requiring the use of the provided USB-C power cable. - Señal intermitente o de mala calidad:
1. Reduce the distance between the TX and RX units. The maximum effective range is 165FT/50M in line of sight, but walls and obstacles can significantly reduce this.
2. Adjust the WiFi channels as described in the 'Adjustable WiFi Channels' section to avoid interference from other wireless devices.
3. Ensure there are no major obstructions (e.g., thick walls, large metal objects) directly between the TX and RX units. - TX/RX Unit Overheating:
It is normal for the units to become warm during extended use. If a unit becomes excessively hot and causes performance issues, ensure it has adequate ventilation and is not covered. Disconnect power and allow it to cool down if necessary. - Cannot Cast from Phone/Tablet:
1. Ensure your phone/tablet is connected to the RX unit's WiFi network.
2. Follow the specific instructions for Android, Windows, or iOS devices provided in the 'Phone/Tablet Casting' section.
3. Verify that your device's screen mirroring feature is enabled and correctly configured.
9. Mantenimiento
- Mantenga los dispositivos limpios y sin polvo. Utilice un paño suave y seco para limpiarlos.
- Evite exponer los dispositivos a temperaturas extremas, humedad o luz solar directa.
- Do not attempt to disassemble or repair the devices yourself. This may void the warranty.
10. Garantía y soporte
Este producto viene con una garantía del fabricante de 1 años.
For further support or inquiries, please visit the official TIMBOOTECH store on Amazon: TIMBOOTECH Amazon Store.