2.4G Full-Duplex Tour Guide Intercom System
Hefei Humantek Co., Ltd. is one of the leading manufacturers and suppliers of 2.4g full-duplex tour guide intercom system in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to buy bulk high quality 2.4g full-duplex tour guide intercom system from our factory.
The YingMi 008S 2.4G Full-Duplex Tour Guide Intercom System pairs full-duplex, one-to-many communication with ENC dual-mic noise reduction in a single all-in-one headset - built for teams that guide, train, and coordinate on the move.
Product Feature
2.4G Low-Latency, Stable Transmission
The 2.4G band offers strong interference resistance and an effective open-field range of up to 100 meters. End-to-end latency is as low as 20ms, keeping voice synchronized without stutter during guiding or intercom use.
ENC Dual-Mic Noise Reduction
Dual-microphone ENC technology filters background noise, holding system distortion under 1% with a maximum input sound-pressure level of 110dB and an output level of 100dB - voices stay clear in noisy outdoor or workshop settings.
Full-Duplex, One-to-Many Intercom
The system supports a 1-host-plus-N-sub-units architecture. In full-duplex mode the host broadcasts to the whole group while sub-units can request a call; once the host approves, two-way conversation opens up - covering both group guiding and individual interaction.
Dual Pairing and Channel-Lock Anti-Crosstalk
Manual button pairing lets different device groups pair independently. Once connected, the channel-lock function closes the connection channel, improving stability when several teams operate in the same area at the same time.
Technical Specifications
| Category | Item | Specification |
|---|---|---|
| Wireless System | Communication mode | Full-duplex, one-to-many group mode |
| Wireless band | 2.4G | |
| Open-field range | 100m | |
| Receiver sensitivity | < −90dBm | |
| RF output power | 20dBm | |
| Anti-interference | Manual pairing + channel lock | |
| Audio Performance | Noise reduction | ENC dual-mic environmental noise reduction |
| Microphone spec | Dual mic, 4×1.5mm | |
| Max input SPL | 110dB SPL | |
| Output SPL | 100dB | |
| System distortion | < 1% | |
| Power & Battery | Battery capacity | 500mAh |
| Charging port | Type-C | |
| Charging time | ≈ 2.5 hours | |
| Continuous working time | ≈ 10 hours | |
| Physical Specs | Product dimensions | 205×205×70mm |
| Body design | All-in-one headset |
Application Scenarios
The 008S suits museum and exhibition-hall tours, factory and corporate visitor reception, scenic-area study tours, engineering-site coordination, and outdoor training - anywhere a group needs both synchronized broadcasting and on-demand two-way communication.
Museums and Exhibition Halls
Guides broadcast to a full group while individual visitors can request clarification without disrupting the tour flow.
Factory and Corporate Visits
Reception staff coordinate visitor groups across noisy production floors, with ENC noise reduction keeping instructions intelligible.
Engineering Sites and Outdoor Training
The 100m open-field range and full-duplex call-request function support coordination across spread-out teams and training groups.
Product Details
The 008S ships as a host transmitter (guide) and one or more sub-unit receivers (group members), both built as the same all-in-one headset with no external wiring. Power on and each unit auto-connects to its paired counterpart.
| Control | Host | Sub-Unit |
|---|---|---|
| Power | Long press 3 sec to toggle on/off and auto-reconnect | |
| Volume | Short/long press, 6-level cycle | |
| Pairing | Long press together with the counterpart unit to pair | |
| Call | Double press to accept a call request | Double press to send a call request |
| Extra | Short press locks the channel to block outside interference | - |
| Type-C | Charging/firmware (5V/0.5A); auto shutdown after 10 min idle | |
FAQs
Q: What is the effective range of the YingMi 008S?
A: The system reaches up to 100 meters in open-field conditions, with end-to-end latency as low as 20ms.
Q: How long does the battery last on a full charge?
A: The built-in 500mAh battery supports around 10 hours of continuous use, and a full charge via Type-C takes about 2.5 hours.
Q: Can multiple teams use the system in the same venue without interference?
A: Yes. Manual channel pairing combined with a channel-lock function keeps separate teams isolated from each other's signals.
Q: Does the host unit support two-way conversation with sub-units?
A: Yes. The system is full-duplex - the host can broadcast to the group while any sub-unit can request a call, and once approved, two-way conversation opens.
Q: Is training required to operate the headset?
A: No. The all-in-one headset uses simple button logic for power, volume, pairing, and call requests, so new users can operate it without training.
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