Strong & stable UHF signal
1–300m long transmission
6–8h long working time
Multi-guide seamless switching
Bluetooth compatible
Product Introduction
YINGMI L8 strong signal tour guide system is a professional one-way audio transmission device independently developed by HEFEI HUMANTEK. CO., LTD., a leading manufacturer in China’s audio guide industry. Adopting high-quality UHF technology, it delivers stable and strong signal within 1–300 meters, ensuring clear explanation transmission even in crowded scenic spots, factories and large venues. The system supports Bluetooth connection with mobile phones, translators and other external devices, and realizes seamless switching for 3–5 guides, which perfectly meets the needs of large-scale group tours. With 6–8 hours long battery life and 2.5 hours fast charging, it is lightweight, portable and easy to operate.
Product Parameters
L8 transmitter:
| Carrier frequency | UHF663-694Mhz/other frequency can customize |
| Number of channels | 150CH（Adjustable mode: 1 – 150 channels） |
| Communication distance | 1-300m |
| Charging duration | 2.5h |
| Weight | 98g |
| Size | 55*115*26mm（fuselage） |
| Working hours | 6-8h（hour） |
L8 receiver:
| Carrier frequency | UHF663-694Mhz/other frequency can customize |
| Number of channels | 18CH（ Adjustable mode: 1 – 18channels） |
| Communication distance | 1-300m |
| Charging duration | 2.5h |
| Weight | 16g |
| Size | 22*52*14mm |
| Working hours | 6-8h（hour） |
Product Features
Strong & Stable UHF Signal: Adopt advanced UHF transmission technology, strong anti-interference ability, no sound breaking or delay in complex environments such as crowded crowds, large buildings and outdoor open areas.
Bluetooth Compatibility: Can be connected with mobile phones, voice translators, audio players and other Bluetooth devices, expanding application scenarios and functions.
Multi-Guide Seamless Switching: Support 3–5 guides to switch explanations smoothly, suitable for large group tours, multi-team visits and simultaneous explanation services.
Long Battery Life & Fast Charging: 2.5 hours fast charging, 6–8 hours continuous working, no need to worry about power failure during long-term use.
Application Scenarios
Cultural & Scenic Spots: Scenic area guided tours, museum explanations, cultural relics exhibitions, government agency VIP receptions.
Industrial & Corporate: Factory production line visits, industrial tourism, enterprise opening days, large-scale factory reception activities.
Educational & Academic: School teaching demonstrations, academic exchange meetings, institution observation activities, campus open days.
Business & Events: Product launch conferences, international trade fairs, high-end exhibitions, exclusive VIP customer reception activities.
Exhibition & Art: Art gallery displays, historical relic exhibitions, cross-cultural exchange activities, public welfare exhibitions.
Religious Sites: Church pilgrimages, temple worship ceremonies, scripture/sutra playback, religious gathering services.
Product Details
Appearance Design: The transmitter adopts a streamlined handheld design with anti-slip texture, and the receiver is a mini clip-on style, which can be firmly clipped on clothes for easy wearing.
Function Details: Equipped with MUTE one-key silent function, channel adjustment button and parameter setting button, which is convenient for guides to control the explanation process at any time.
Charging System: Matching special charging dock/box, one-time charging for multiple devices, neat storage and convenient management, suitable for large-scale team use.
Material Craft: Made of high-quality environmentally friendly materials, wear-resistant and drop-resistant, suitable for long-term frequent use in various scenarios.
Signal Performance: Built-in high-performance antenna, stable signal transmission, clear sound quality, no noise, bringing better listening experience to tourists.
FAQ
Q1: What is the maximum stable transmission distance of the L8 tour guide system?
A1: The stable signal transmission distance is 1–300 meters in conventional indoor and outdoor environments, and the signal remains stable without interference in most application scenarios.
Q2: Can the frequency and logo of the product be customized?
A3: Yes, we support full OEM/ODM customization, including carrier frequency, product logo, appearance color, battery capacity, function parameters, etc.
Q3: How long does it take to fully charge the device and how long can it work?
A3: It only takes 2.5 hours to fully charge the transmitter and receiver, and can work continuously for 6–8 hours, meeting the needs of all-day tour activities.
Q4: What standard configurations are included in the product kit?
A4: We provide 6 standard kits for different group sizes (20/30/50/100/200/500 people), including transmitters, receivers, charging docks/boxes, headset microphones, charging cables and lanyards.
Q5: Is technical guidance provided after purchasing the product?
A5: Yes, we provide free English operation guidance, video tutorials and remote technical support to help you quickly master the use of the product.
Q6: Is the product suitable for outdoor scenic spots and indoor factories at the same time?
A6: Yes, the L8 system has strong anti-interference performance, which is suitable for both outdoor open scenic spots and indoor complex factory environments.