1. Product Overview
The Avidsen Sona-T Wireless Doorbell (Model 102508) offers a convenient and stylish solution for your home. Featuring a modern grey textile design, this doorbell system includes a chime unit with a luminous flash and a wireless call button. It provides a reliable signal range of up to 150 meters in open-field conditions and offers a selection of 36 distinct melodies.
Image 1.1: The Avidsen Sona-T wireless doorbell chime unit (left) and the call button (right).
2. Package Contents
Verify that all components are present in the package:
- 1 x Avidsen Sona-T Wireless Doorbell Chime Unit
- 1 x Wireless Call Button
- 1 x CR2032 Battery (for the call button)
3. Setup and Installation
3.1. Call Button Battery Installation
- Locate the battery compartment on the back of the call button.
- Open the compartment using a small screwdriver or by sliding the cover.
- Insert the provided CR2032 battery, ensuring the positive (+) side faces upwards.
- Close the battery compartment securely.
3.2. Chime Unit Power Supply
The chime unit requires 3 x 1.5V AA batteries (not included). Open the battery compartment on the back of the chime unit and insert the batteries, observing the correct polarity.
Image 3.1: Diagram showing the chime unit dimensions (71mm x 71mm) and battery requirement (3 x 1.5V AA batteries).
3.3. Mounting the Call Button
The call button is designed for outdoor use with an IP44 rating, protecting it from splashes of water. Mount it in a suitable location near your entrance using the provided adhesive or screws. Ensure it is easily accessible to visitors.
Image 3.2: Diagram showing the call button dimensions (73mm x 30mm) and its IP44 weather resistance rating.
3.4. Placement of the Chime Unit
Place the chime unit indoors in a central location where the sound and luminous flash can be easily noticed. The system offers a wireless range of up to 150 meters in open areas.
Image 3.3: Diagram illustrating the 150-meter wireless range between the call button and the chime unit.
3.5. Initial Pairing (Pre-paired)
The Avidsen Sona-T doorbell chime and call button are pre-paired at the factory, meaning no manual pairing is required for initial use. Simply install the batteries and place the units as described above.
Image 3.4: Illustration showing one call button paired with multiple chime units, indicating the ability to connect up to 8 chimes.
4. Operating Instructions
4.1. Ringing the Doorbell
Press the button on the wireless call unit. The chime unit will sound the selected melody and activate its luminous flash.
4.2. Changing Melodies
The chime unit offers 36 selectable melodies. Refer to the chime unit's controls (indicated by a music note icon) to cycle through the available options and select your preferred sound.
4.3. Adjusting Volume
Use the volume control buttons (indicated by speaker icons) on the chime unit to increase or decrease the sound level.
4.4. Luminous Flash Feature
In addition to the audible chime, the Sona-T unit features a luminous halo that provides a visual alert when the doorbell is pressed. This is particularly useful in noisy environments or for individuals with hearing impairments.
Image 4.1: A close-up view of the Avidsen Sona-T chime unit, highlighting its luminous flash feature.
5. Maintenance
5.1. Cleaning
Wipe the doorbell units with a soft, dry cloth. Do not use abrasive cleaners or solvents, as these may damage the surface.
5.2. Battery Replacement
Replace batteries in both the call button (CR2032) and the chime unit (3 x AA) when performance degrades or the units stop functioning. Dispose of used batteries responsibly according to local regulations.
6. Troubleshooting
- No Sound/Flash from Chime Unit:
- Check if the chime unit batteries are correctly installed and not depleted.
- Ensure the call button battery is functional.
- Verify that the chime unit is within the 150m operating range of the call button.
- Reduce obstacles between the call button and chime unit (e.g., thick walls, metal structures).
- Short Operating Range:
- Replace batteries in both units.
- Relocate the chime unit to a more central position.
- Avoid placing units near large metal objects or other electronic devices that may cause interference.
7. Technical Specifications
| Manufacturer | Avidsen |
| Model Reference | 102508 |
| Color | Grey |
| Wireless Range | Up to 150m (open field) |
| Melodies | 36 selectable |
| Call Button Power | 1 x CR2032 battery (included) |
| Chime Unit Power | 3 x 1.5V AA batteries (not included) |
| Call Button IP Rating | IP44 (splash-proof) |
| ASIN | B0D1WT5Y1T |
| First Available | April 16, 2024 |
8. Warranty and Support
Information regarding specific warranty terms and conditions for the Avidsen Sona-T Wireless Doorbell (Model 102508) is not available in this document. For detailed warranty information or technical support, please refer to the official Avidsen website or contact their customer service directly. Keep your proof of purchase for any warranty claims.
