1. Introduction and Overview
The Interphone Cellularline U-Com 8R is an advanced motorcycle intercom system designed for seamless communication and enhanced riding experience. Featuring Mesh 2.0 technology, it allows for one-click group communication with up to 24 riders without the need for complex pairing. Its robust, waterproof design (IP67) ensures durability in various weather conditions, while the integrated 40mm HD speakers provide clear audio for communication, music, and GPS navigation.
Key features include:
- Mesh 2.0 Technology for easy group communication (up to 24 riders).
- Communication range of up to 1.6 kilometers between motorbikes.
- Compatibility with Sena intercom devices, TFT displays, mobile phones, and GPS systems.
- New 40mm HD speakers for superior sound quality.
- Long-lasting 18-hour talk time battery, with a removable design for extended use.
- Waterproof IP67 rating for reliable performance in all conditions.
- Multi-button design for intuitive and easy operation.

Image: Front view of the Interphone U-Com 8R intercom unit, showing the main control buttons and the Interphone logo.
2. What's in the Box
The Interphone U-Com 8R package includes the following components:
- Interphone U-Com 8R main unit
- 40 mm TS speaker - high quality
- Removable battery with holder for helmet mounting
- Boom microphone (for jet and modular helmets)
- Adhesive microphone (for full-face helmets)
- USB Type-C cable for data and charging
- Bluetooth devices, audio kits, cables, and stickers

Image: All components included in the Interphone U-Com 8R package, laid out clearly.
3. Setup and Installation
Proper installation of your U-Com 8R unit is crucial for optimal performance and comfort. The system is designed for easy integration into most motorcycle helmets.
3.1 Choosing the Microphone
Select the appropriate microphone for your helmet type:
- Boom Microphone: Ideal for jet and modular helmets where the microphone can be positioned directly in front of your mouth.
- Adhesive Microphone: Suitable for full-face helmets, where it can be discreetly placed inside the helmet near the mouth area.
3.2 Speaker Installation
Position the 40mm HD speakers inside the helmet's ear pockets. Ensure they are centered over your ears for the best audio experience. Use the provided adhesive pads if necessary to secure them firmly.
3.3 Main Unit and Battery Installation
The U-Com 8R main unit can be mounted on the side of your helmet using the provided holder. The removable battery attaches to the back of the helmet, allowing for a sleek profile and easy replacement.

Image: Diagram illustrating the installation of the Interphone U-Com 8R unit and boom microphone inside a motorcycle helmet.

Image: Diagram illustrating the installation of the Interphone U-Com 8R unit and adhesive microphone inside a full-face motorcycle helmet.

Image: Close-up view of the adhesive mounting bracket for the Interphone U-Com 8R attached to the side of a helmet.
4. Operating Instructions
The U-Com 8R features an intuitive multi-button design for easy control while riding.
4.1 Controls Overview
Familiarize yourself with the main buttons on the unit:

Image: Top-down view of the Interphone U-Com 8R unit, highlighting the various control buttons for calls, music, and intercom functions.
- Power/Multi-function Button: Typically used for turning the unit on/off, answering/ending calls, and activating voice commands.
- Intercom Button: Initiates and manages Mesh communication.
- Music/Volume Buttons: Controls music playback (play/pause, skip tracks) and adjusts volume.
- Phone Button: Dedicated button for phone call management.
4.2 Powering On/Off and Charging
- To Power On: Press and hold the Power button until the indicator light illuminates.
- To Power Off: Press and hold the Power button until the indicator light turns off.
- Charging: Connect the USB Type-C cable to the charging port (located on the side of the unit) and a power source. A full charge takes approximately 2.5 hours and provides up to 18 hours of talk time.

Image: Side view of the Interphone U-Com 8R unit, showing the Mini USB charging port.
4.3 Mesh 2.0 Communication
The U-Com 8R utilizes Mesh 2.0 technology for robust and reliable group communication. This technology allows for one-click group communication without the need for individual pairing, simplifying the process for large groups.
- Starting a Mesh Group: Refer to the quick start guide or the full manual for specific button sequences to initiate a Mesh group.
- Joining a Mesh Group: Other U-Com 8R users can join an active Mesh group with a simple button press.
- Compatibility: The U-Com 8R is compatible with other Mesh intercom devices, including Sena systems, allowing for broader group communication.
Video: An official video demonstrating the features of the Interphone U-Com 8R, including its Mesh 2.0 technology and multi-button design.
4.4 Bluetooth Connectivity
The U-Com 8R supports Bluetooth 5.2 for connecting to various devices.
- Mobile Phones: Pair your smartphone to make and receive calls, and stream music.
- GPS Devices: Receive turn-by-turn navigation instructions directly through your helmet speakers.
- TFT Displays: Connect to compatible motorcycle TFT displays for integrated control and information.
4.5 Music and Audio
Enjoy your favorite music or listen to GPS instructions with the high-quality 40mm HD speakers. The system allows for communication between intercoms even with background music or GPS audio playing.
5. Maintenance
To ensure the longevity and optimal performance of your Interphone U-Com 8R, follow these maintenance guidelines:
- Cleaning: Wipe the unit with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Water Resistance: The unit is IP67 waterproof. While it can withstand rain and splashes, avoid submerging it in water for extended periods. Ensure the USB port cover is securely closed.
- Storage: Store the intercom in a cool, dry place when not in use. If storing for an extended period, ensure the battery is partially charged (around 50%) to preserve its lifespan.
- Battery Care: The removable battery design allows for easy replacement. Avoid extreme temperatures during charging and operation.
6. Troubleshooting
If you encounter issues with your U-Com 8R, try the following troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Low battery; unit frozen. | Charge the unit for at least 30 minutes. Perform a hard reset (refer to full manual for specific steps). |
| No audio from speakers. | Speakers not connected; volume too low; faulty connection. | Check speaker connections. Increase volume. Ensure speakers are correctly seated in helmet. |
| Cannot connect to other intercoms (Mesh). | Not in Mesh mode; out of range; interference. | Ensure all units are in Mesh mode. Move closer to other riders. Avoid strong electromagnetic interference. |
| Low music volume at high speeds. | Helmet noise; speaker positioning. | Ensure speakers are directly over ears. Consider helmet acoustics. Adjust volume to maximum. |
| Bluetooth pairing issues. | Device not in pairing mode; previously paired device interference. | Put U-Com 8R and target device into pairing mode. Clear previous Bluetooth pairings on both devices. |
For more detailed troubleshooting or persistent issues, please refer to the complete user manual available on the Interphone website or contact customer support.
7. Specifications
Detailed technical specifications for the Interphone U-Com 8R:
| Feature | Detail |
|---|---|
| Model Name | U-Com 8R (INTERPHOUCOM8R) |
| Connectivity Technology | Wireless (Mesh, Bluetooth 5.2) |
| Wireless Communication Technology | Mesh |
| Intercom Range | Up to 1.6 Kilometers (between motorbikes) |
| Max Riders (Mesh) | Up to 24 Riders |
| Battery Life (Talk Time) | 18 Hours |
| Charging Time | 2.5 Hours |
| Speakers | 40mm HD Speakers |
| Water Resistance Level | Waterproof (IP67) |
| Compatible Devices | TFT, Mobile Phones, GPS, Sena Intercoms |
| Material | Policarbonato (PC) |
| Item Weight | 60 Grams (2.12 ounces) |
| Product Dimensions | 3.15 x 1.57 x 0.79 inches |
| Included Components | Main unit, 40mm speakers, removable battery, boom mic, adhesive mic, USB-C cable, audio kits, stickers. |
8. Warranty and Support
Interphone products are designed for reliability and performance. For warranty information and customer support, please refer to the official Interphone website or contact the seller, T-DataElectronics, through your purchase platform.
Additional protection plans may be available for purchase through the retailer at the time of product acquisition. Please check your purchase details for more information on extended warranty options.
For further assistance, you may visit the Interphone Store on Amazon.





