Anti-interference Self-guided Audio Guide
2000+ devices simultaneous use
No crosstalk, no audio confusion
Accurate triggering in dense crowds
40m stable signal coverage
10h receiver & 12-month transmitter battery
Hefei Humantek Co., Ltd. is one of the leading manufacturers and suppliers of anti-interference self-guided audio guide 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 anti-interference self-guided audio guide from our factory.
YINGMI C7 anti-interference self-guided audio guide is specially developed for high-interference, high-density exhibition and public venues. It solves the common pain points of traditional audio guides: signal crosstalk, audio interruption, and inaccurate triggering in crowded environments with multiple electronic devices. Equipped with industry-leading digital anti-interference technology and optimized dual induction system, it maintains stable and smooth audio playback even in busy exhibition halls, large-scale trade shows and crowded scenic spots. The system combines reliable anti-interference performance with lightweight design and long battery life, providing uninterrupted self-guided explanation services for museums, art galleries, science centers and industrial exhibition halls.
Product Parameters
Technical parameters of the C7 receiver
|
Capacity |
store 9999 segments of explanation words |
|
Carrier frequency |
860MHz-870MHz |
|
Language |
8 languages |
|
Battery capacity |
800mAh |
|
Weight |
50g |
|
Size |
65(L)*13mm(W)*104mm(H) |
|
Working hours |
≥10h(HOUR) |
Technical parameters of C7 transmitter
|
Signal strength |
Support 16 levels |
|
Signal number |
9999 |
|
Coverage |
40m |
|
Size |
40*40*20mm |
|
Weight |
27g |
|
Battery operating time |
≥12month |
Product Feature
Industry-leading Digital Anti-interference Technology
Adopts advanced frequency hopping and channel isolation technology to effectively shield interference from mobile phones, WiFi, Bluetooth and other electronic devices. Anti-interference self-guided audio guide supports simultaneous use of over 2000 receivers in the same venue without crosstalk or audio confusion.
01
Accurate Triggering in High-density Crowds
Optimized high-sensitivity induction module ensures precise audio triggering even when surrounded by dense crowds. It avoids false triggering and missed triggering, providing consistent self-guided experience for every visitor.
02
Stable Signal Coverage & Adjustable Range
Delivers 40m uniform anti-interference signal coverage with 16-level adjustable strength. You can flexibly set the induction range according to different exhibit sizes and venue layouts to prevent overlapping signals.
03
Reliable All-day Operation
The 50g lightweight receiver supports 10 hours of continuous use, while the transmitter features 12-month ultra-long standby. Both devices are designed for long-term stable operation in complex exhibition environments with minimal maintenance.
04

Application Scenarios
- Large-scale Museums & Exhibition Halls: Anti-interference self-guided audio guide is perfect for crowded history museums, national exhibition centers and comprehensive exhibition venues, ensuring stable audio guidance even during peak visiting hours.
- International Trade Shows & Expositions: Ideal for large-scale trade fairs, industry exhibitions and product launches, where numerous electronic devices coexist, providing interference-free self-guided product introductions.
- Science & Technology Museums: Suitable for science centers with a large number of interactive electronic exhibits, effectively shielding equipment interference to deliver clear and accurate explanations.
- Industrial Exhibition Halls & Factory Tours: Applied to industrial showrooms and factory visit areas, resisting interference from industrial equipment to provide reliable self-guided tour services.
- Popular Scenic Spots & Historical Sites: Used in high-traffic tourist attractions and heritage sites, maintaining stable signal transmission even in crowded outdoor and indoor mixed environments.
- Corporate Brand Centers & Conference Venues: Matches the needs of large corporate exhibition halls and international conferences, providing interference-free audio guidance for global visitors.

Product Details
The C7 anti-interference self-guided audio guide system is built with a dedicated anti-interference hardware architecture and software algorithm. The receiver uses a high-performance filtering chip to eliminate background noise and interference signals, outputting clear and distortion-free audio. The transmitter adopts unique ID coding technology to ensure that each signal is independent and non-interfering, completely solving the problem of crosstalk between adjacent exhibits. The system is easy to deploy without complex wiring, and its stable anti-interference performance has been verified in hundreds of high-density venues worldwide. Whether it is a crowded weekend exhibition or a large-scale international event, it can provide uninterrupted and reliable self-guided audio services.

FAQ
Q1: Will this audio guide be interfered by mobile phones and WiFi in crowded venues?
A1: No. It adopts professional digital anti-interference technology and dedicated frequency band, effectively shielding interference from common electronic devices.
Q2: Can multiple visitors use the system at the same time without crosstalk?
A2: Yes. It supports simultaneous operation of over 2000 receivers in the same area with 99.99% crosstalk prevention rate.
Q3: Will there be false triggering or missed triggering in dense crowds?
A3: No. The optimized high-sensitivity induction module ensures accurate triggering even when surrounded by many people.
Q4: Can I adjust the signal range to avoid overlapping between adjacent exhibits?
A4: Yes. The transmitter has 16-level adjustable signal strength, allowing you to set the induction range according to your venue needs.
Q5: How long can the anti-interference self-guided audio guide system work continuously in a busy exhibition day?
A5: The receiver supports 10 hours of continuous use, which is sufficient for full-day operation even during peak visiting periods.
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