1. Introducció
Gràcies per la compraasing the AVANTEK CB-11 Mini Wireless Doorbell. This manual provides detailed instructions for the proper installation, operation, and maintenance of your new doorbell system. Please read this manual thoroughly before use to ensure optimal performance and longevity of the product.
2. Informació de seguretat
- Do not expose the product to extreme temperatures outside the operating range of -20°C to +60°C (-4°F to 140°F).
- Ensure the receiver is plugged into a standard power outlet.
- The transmitter is IP55 dustproof and waterproof, suitable for outdoor use, but avoid submerging it in water.
- Mantenir fora de l'abast dels nens.
- Do not attempt to disassemble or repair the unit yourself. Contact customer support if issues arise.

Image: The AVANTEK CB-11 doorbell transmitter is rated IP55 for dust and water resistance, and operates within a temperature range of -20°C to +60°C.
3. Contingut del paquet
Verifiqueu que tots els components siguin presents al paquet:
- 1 x Plug-in Receiver
- 1 x Transmissor (botó)
- 2 x cargols
- 2 x Taps de paret (ancoratges)
- 1 x Small Key (for battery compartment)
- 1 x cinta adhesiva de doble cara
- 1 x Manual d'usuari

Image: Contents of the AVANTEK CB-11 Mini Wireless Doorbell kit, including the receiver, transmitter, mounting hardware, and user manual.
4. Producte acabatview
The AVANTEK CB-11 Mini Wireless Doorbell system consists of a plug-in receiver and a wireless push-button transmitter.

Imatge: Frontal view of the AVANTEK CB-11 wireless doorbell receiver (left) and transmitter (right), both in black with green bell icons and LED indicators.
Transmitter (Push Button) Features:
- Polsador: Activates the doorbell chime.
- Indicador LED: Illuminates when the button is pressed.
- Compartiment de la bateria: Houses the CR2032 lithium battery (pre-installed).
- Classificació IP55: Dustproof and waterproof for outdoor installation.
Característiques del receptor:
- Disseny de connectors: Connects directly to a standard power outlet.
- Ponent: Emits the selected chime melody.
- Botó de volum: Adjusts the volume level (5 levels, up to 115 dB).
- Melody Selection Buttons: Cycles through 52 available melodies.
- Indicador LED: Flashes when the doorbell rings.
5. Configuració i instal·lació
The AVANTEK CB-11 doorbell offers simple installation with two primary methods for the transmitter.
5.1 Configuració del receptor
- Select a suitable indoor power outlet for the receiver. Ensure it is within the 300m (1000 ft) wireless range of your desired transmitter location.
- Plug the receiver directly into the power outlet. The receiver will power on and be ready for use.

Image: The AVANTEK CB-11 receiver plugged into a wall outlet, demonstrating its compact design that does not obstruct adjacent sockets.
5.2 Instal·lació del transmissor
Choose one of the following methods to install the transmitter:
Method 1: Using Double-sided Adhesive Tape (Recommended for smooth surfaces)
- Clean the desired installation surface thoroughly to ensure it is free of dust and moisture.
- Peel off one side of the protective film from the double-sided adhesive tape and firmly attach it to the back of the transmitter.
- Peel off the other side of the protective film and press the transmitter firmly onto the cleaned surface for at least 30 seconds.
Method 2: Using Screws (Recommended for uneven or rough surfaces)
- Mark the desired drilling locations on the wall using the transmitter as a template.
- Perfora dos forats a les posicions marcades.
- Insert the wall plugs (anchors) into the drilled holes.
- Align the transmitter's mounting holes with the wall plugs and secure it with the provided screws.

Image: An illustration showing the AVANTEK CB-11 doorbell's 1000 ft (300 m) wireless range within a multi-story house, indicating flexible placement options.
6. Funcionament
6.1 Ringing the Doorbell
To ring the doorbell, simply press the push button on the transmitter. The receiver will play the selected melody, and its LED indicator will flash.
6.2 Ajust del volum
The receiver has 5 adjustable volume levels, with a maximum intensity of 115 dB. To adjust the volume:
- Locate the volume button on the side of the receiver.
- Press the volume button repeatedly to cycle through the 5 volume levels. The receiver will play a short sound at each level to indicate the current setting.
- The doorbell also supports a silent LED notification mode (0 dB).

Image: Diagram illustrating the 5 adjustable volume levels of the AVANTEK CB-11 doorbell, ranging from 0 dB (mute) to 115 dB (rock concert level).
6.3 Canvi de melodies
The AVANTEK CB-11 offers 52 different melodies. To change the melody:
- Locate the "Next" and "Previous" melody selection buttons on the receiver.
- Press the "Next" or "Previous" button to cycle through the available melodies. The receiver will play each melody as you select it.
- Once you find your desired melody, stop pressing the button. The receiver will remember your selection.

Image: A visual representation of the 52 chimes and tunes available on the AVANTEK CB-11 doorbell, including examples like Beethoven's Ode to Joy and Swan Lake.
Funció de memòria: The AVANTEK doorbell features a memory function that retains your last selected melody and volume level even after a power outage. There is no need to reset your preferences.
7. Manteniment
7.1 Neteja
- Wipe the surfaces of the receiver and transmitter with a soft, dry cloth.
- No utilitzeu netejadors abrasius ni dissolvents, ja que poden danyar l'acabat.
7.2 Battery Replacement (Transmitter)
The transmitter uses a CR2032 lithium battery with a maximum lifespan of 3 years. When the transmitter's LED indicator no longer lights up or the signal becomes weak, it's time to replace the battery.
- Locate the small notch on the side of the transmitter.
- Use the provided small key or a flat-head screwdriver to gently pry open the battery compartment cover.
- Traieu la bateria CR2032 antiga.
- Inseriu una nova bateria CR2032 amb el costat positiu (+) cap amunt.
- Tanqueu bé la tapa del compartiment de la bateria.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El timbre no sona. |
|
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| Weak or inconsistent signal. |
|
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| Melody or volume resets. |
|
|
9. Especificacions
| Característica | Detall |
|---|---|
| Número de model | LD-CB-11-U |
| abast sense fils | Fins a 300 metres (1000 peus) |
| Melodies | 52 melodies seleccionables |
| Nivells de volum | 5 levels (0-115 dB) |
| Bateria del transmissor | 1 x CR2032 Lithium Battery |
| Durada de la bateria del transmissor | Fins a 3 anys |
| Classificació impermeable | IP55 (Transmitter) |
| Temperatura de funcionament | -20 °C a +60 °C (-4 °F a 140 °F) |
| Material | ABS |
| Certificacions | CE, FCC, RoHS |
| Dimensions (paquet) | 11.2 x 9.4 x 6.7 cm |
| Pes (paquet) | 150 grams |
10. Garantia i Suport
AVANTEK products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided on the AVANTEK official website or the contact information included with your product packaging.
For pairing with other AVANTEK doorbells (CB-11/CW-11/CB-12/CW-12/CB-21/CW-21/D-3B/D-3W/D-3G/D-3F/D-3C/DB-21/DB-11/DW-21), especially for products purchased before 2021, it is recommended to contact AVANTEK for compatibility verification.





