1. Introduction
The H8-2T Wireless Intercom System provides a convenient and reliable two-way voice communication solution for various environments, including homes, offices, and nursing facilities. Designed for ease of use, it features long-range capabilities and a sleek, portable design.
Key features include:
- Long-Range Communication: Tested range up to 300 meters, capable of penetrating walls and floors (1st to 8th floor).
- Slim and Sleek Design: Only 18mm thick with a high-gloss UV-treated surface and comfortable plastic + silicone buttons.
- Intelligent and User-Friendly: Features talk light, battery light display, and a charging dock for smart charging.
- High-Capacity Battery: Powered by an 1800mAh polymer lithium battery, offering about a week of normal use and 3-5 days standby.
- Versatile and Adjustable: Two frequency options (462MHz and 434MHz) to avoid interference, 38 ringtone options, and 3 adjustable volume levels for ringtones and calls.
2. Package Contents
Please check the box for the following items:
- 2 x Indoor Intercom Units
- 2 x Charging Docks
- 1 x 2.0 Small Screwdriver
- 1 x Charging Station Charging Cable
- 1 x Host Charging Cable
- 1 x Instructions (this manual)
- 1 x Strong Adhesive
3. Setup and Pairing
3.1 Initial Power On
First, ensure both voice callers are turned on using the side switch. Set both units to the same gear (either 'A' or 'B').
3.2 Component Overview
Refer to Figure 1 for the location of the following components:
- Speaker: For audio output.
- Type-C Charging Port: For connecting the charging cable.
- Internal Call Button: To initiate a call.
- Power Button: To turn the unit on/off and select frequency gear (A/B).
- Microphone: For audio input during calls.
- Volume Key: Adjusts ringtone volume in standby and call volume during intercom.
- Talk Button: Press and hold to speak, release to stop.
- Ring Key: Cycles through 38 ringtones.
- Intercom Light: Indicates intercom status.
- Power Light: Indicates power and charging status.
- Charging Base: For convenient charging and standby placement.
3.3 Pairing (Code Step - Factory Settings)
If your intercoms are not communicating, you may need to re-pair them:
- Press and hold the Talk button on one indoor doorbell unit.
- While holding the Talk button, turn the Power button of the same unit to gear 'A' or 'B'. You will hear a "du" sound, and the Intercom light will flash white.
- Repeat step 1 and 2 for the other indoor doorbell unit.
- Once both units are in pairing mode, press the Internal Call button on one of the indoor doorbell units.
- Both indoor doorbell units should make a "didi" sound, and the Intercom light will stop flashing. The units are now connected.
3.4 Charging
Place the intercom unit on its charging stand when not in use or when the battery is low. The Power light indicates charging status:
- Flashing Green: Calling and ringing / Low power.
- Bright Red: Charging.
- Bright Blue: Fully charged.
- No Light: Standby time (when not on charging stand).
4. Operation
4.1 Making a Call (Operation A)
- Click the Internal Call button on your unit.
- The other voice caller unit will ring.
4.2 Two-Way Talk (Operation B)
- To speak, press and hold the Talk button on your unit. Release the button to stop speaking.
- The person on the other unit will hear your voice. To respond, they must also press and hold their Talk button to speak and release it to stop.
4.3 Volume Adjustment
Use the Volume key to adjust audio levels:
- In standby mode, it adjusts the ringtone volume (3 levels).
- During an intercom call, it adjusts the call sound volume (3 levels).
4.4 Ringtone Selection
Press the Ring key to cycle through the 38 available ringtones.
5. Maintenance
5.1 Battery Care
The H8-2T intercoms are powered by rechargeable polymer lithium batteries. To ensure optimal battery life:
- Always place the unit on its charging stand when not in active use or when the battery indicator shows low power.
- Avoid completely draining the battery frequently.
- Charge the units fully before first use.
5.2 Cleaning
Wipe the intercom units with a soft, dry cloth. Do not use abrasive cleaners or immerse the units in water.
6. Troubleshooting
6.1 Intercom Not Ringing
If, after clicking the call button, the other voice caller does not ring, consider the following:
- Power Switch: Ensure both units' power switches are set to the same gear (A or B).
- Re-pairing: Reset the code step (pairing process) as described in Section 3.3.
- Battery Level: Check the electric quantity (battery level) of both units. Charge if necessary.
7. Specifications
| Feature | Detail |
|---|---|
| Product Name | Wireless Voice Caller |
| Power Supply Method | 1800mAh Polymer Lithium Battery |
| Battery Powered | DC5V/1A |
| Working Temperature | -20℃ to 55℃ |
| Transmission Distance | Approx. 1000m (open space), 20-100m (partition walls), 1-8 floors |
| Working Frequency | A-gear: 434MHz, B-gear: 462MHz (Overall range: 410M-490M) |
| Working Time | About 1 week (normal use) |
| Charging Time | Approx. 5 hours (fully charged) |
| Standby Time | 3-5 days |
| Ringtones | 38 songs/ringtones |
| Volume Adjustment | 3 levels for ringtone and call volume |
| Product Size | 11.6 cm x 5.6 cm x 1.8 cm (4.6 in x 2.2 in x 0.7 in) |
| Charging Dock Size | 7 cm x 5.6 cm x 2.9 cm (2.8 in x 2.2 in x 1.1 in) |
8. User Tips
- Multi-Unit Setup: Please note that the H8-2T intercoms are designed to be used in pairs. The product description states, "Two must be used together and cannot be used alone." This implies that connecting more than two units (e.g., two 2-packs for a total of four devices) for a single communication network might not be supported. Always refer to the official documentation for advanced configurations.
- Optimal Range: For best performance and maximum transmission distance, ensure there are as few obstacles as possible between the two intercom units. While they can penetrate walls and floors, direct line-of-sight or minimal obstructions will yield the clearest signal.
- Frequency Selection: If you experience interference, try switching both units to the alternative frequency gear (A or B) to find a clearer channel.
9. Warranty and Support
For detailed warranty information and customer support, please refer to the official product page or contact the seller directly. This manual provides general operational guidelines.
An electronic version of this user manual is available in PDF format: User Manual (PDF)
10. Frequently Asked Questions
Q: Can I connect more than two H8-2T intercom units together?
A: The product description specifies that "Two must be used together and cannot be used alone." This indicates that the system is designed for a pair-wise connection. It does not explicitly support connecting multiple pairs or more than two individual units into a single communication network. For specific multi-unit configurations, please consult the seller or official product support.
Q: What is the effective range of the intercom system?
A: The system has a transmission distance of approximately 1000 meters in open space. With partition walls, the range is typically 20-100 meters, and it can communicate across 1 to 8 floors. Actual range may vary based on environmental factors and obstructions.
