1. Introduction
The Hosmart UltraSpeak Wireless Intercom System provides clear, real-time, two-way communication for homes and businesses. Designed for ease of use, this full-duplex system allows for hands-free conversations without the need to hold down a talk button. It offers a communication range of approximately 1200 feet in open outdoor environments, making it suitable for various indoor and outdoor applications.
This manual provides detailed instructions for setting up, operating, and maintaining your Hosmart UltraSpeak Intercom System to ensure optimal performance and longevity.
2. What's in the Box
Carefully unpack your Hosmart UltraSpeak Intercom System. The package should contain the following items:
- Intercom Units (2)
- Power Adapters (2)
- USB Type-C Cables (2)
- User Manual (1)

Figure 2.1: Package Contents
3. Setup
The Hosmart UltraSpeak Intercom System is designed for quick and easy setup. No complex pairing or configuration is required.
- Power Connection: Connect the provided USB Type-C cable to the intercom unit's Type-C port. Plug the power adapter into a standard electrical outlet. The intercom units are corded electric and do not operate on batteries.
- Placement: Place each intercom unit in your desired location within the communication range. Ensure they are plugged into a power source.
- Automatic Connection: Once powered on, the intercom units will automatically connect. They are pre-configured for immediate use.

Figure 3.1: Simple Setup Steps
For optimal performance, avoid placing units near large metal objects or other sources of electronic interference.
4. Operating Instructions
The Hosmart UltraSpeak Intercom offers intuitive controls for various communication needs.
4.1 Basic Communication (Full-Duplex)
The system supports full-duplex communication, allowing both parties to speak and listen simultaneously, similar to a phone call. There is no need to press and hold a button to talk.
- To initiate a conversation, simply press the desired channel button (1-6) or the 'GROUP' button.
- Speak naturally into the intercom.
- To end a call, press the 'TALK' button again or the phone icon button.
4.2 Channel Selection
Each intercom unit can be assigned a unique channel (1-6) or operate on a group channel. This allows for one-to-one communication or broadcasting to multiple units.
- To select a specific channel for communication, press the corresponding number button (1-6) on the keypad.
- To broadcast to all connected intercoms, press the 'GROUP' button.
4.3 Volume Adjustment
Adjust the listening volume using the 'VOL+' and 'VOL-' buttons located on the intercom unit.
4.4 Monitored Function
The 'MONITORED' function allows for continuous audio monitoring of a specific room or area. This feature is particularly useful for monitoring children or elderly family members.
- To activate the monitored function, press the 'MONITORED' button.
- The unit will continuously transmit audio from its location to the receiving unit.
- To deactivate, press the 'MONITORED' button again.

Figure 4.1: Monitored Function in Use

Figure 4.2: Everyday Use of the Intercom
5. Maintenance
To ensure the longevity and optimal performance of your Hosmart UltraSpeak Intercom System, follow these simple maintenance guidelines:
- Cleaning: Wipe the intercom units with a soft, dry cloth. Do not use abrasive cleaners, solvents, or strong chemicals, as these can damage the surface.
- Dust Accumulation: Regularly remove dust from the speaker grille and buttons to prevent obstruction and maintain clear audio.
- Power Cord Care: Inspect power cords for any signs of damage. Do not use if the cord is frayed or damaged.
- Storage: If storing the units for an extended period, unplug them from the power source and store them in a cool, dry place away from direct sunlight and extreme temperatures.
6. Troubleshooting
If you encounter issues with your Hosmart UltraSpeak Intercom System, refer to the following troubleshooting tips:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power to unit | Unit not plugged in; power outlet not working; damaged cable/adapter. | Ensure unit is securely plugged into a working outlet. Try a different outlet. Check cable and adapter for damage. |
| No sound or distorted sound | Volume too low; units out of range; interference; incorrect channel. | Increase volume using 'VOL+' button. Move units closer together. Avoid placing near large electronic devices. Ensure both units are on the same channel or group. |
| Intermittent communication | Obstructions; range issues; temporary interference. | Relocate units to minimize physical obstructions (e.g., thick walls). Ensure units are within the effective range. |
| Cannot communicate with specific unit | Incorrect channel selection. | Verify that both the transmitting and receiving units are set to the same channel number. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | H HOSMART |
| Model Number | HY812-US-02 |
| Color | Black (2 stations) |
| Power Source | Corded Electric |
| Connectivity Technology | Wireless |
| Maximum Range | Approximately 1200 feet (open outdoor environment) |
| Item Dimensions (L x W x H) | 7.87 x 3.94 x 5.91 inches |
| Item Weight | 1.06 pounds (per unit) |
| Control Method | Touch |
| Connector Type | USB Type C |
| Compatible Devices | Other Hosmart intercoms |

Figure 7.1: Intercom Unit Dimensions and Type-C Port
8. Warranty and Support
Hosmart is committed to customer satisfaction. Your purchase includes a hassle-free 30-day money-back guarantee. If you are not satisfied with your intercoms for any reason, free returns are offered within this period.
For further assistance, technical support, or warranty claims, please refer to the contact information provided in the official product packaging or visit the Hosmart official website.
An official User Guide in PDF format is also available for download: Download User Guide (PDF)





