| Brand Name | YINGMI L7 Wireless Tour Guide System |
| Endurance | Approx.10 hours |
| Mode | One-to-Many、Many-to-many |
| Delivery Period | 5-8 working days |
| Payment Method | L/C, paypal |
| MOQ | 1 |
Description
Products Description
This 2.4GHz Wireless Tour Guide System is a professional electronic tour guide solution developed for large-group scene communication, featuring portable design, stable wireless signal transmission and simple operation. The system consists of a portable wireless transmitter, plug-in/headset microphone and non-in-ear comfortable receiver, supporting one-to-many and many-to-many explanation modes with no upper limit on the number of receivers. It adopts 2.4GHz high-frequency band and UHF663-694Mhz dual-frequency transmission for strong anti-interference, and is equipped with high-performance polymer lithium batteries for long standby time. The transmitter is with a full-function LCD display for real-time viewing of channel, volume, battery and signal status. The system can realize clear real-time voice explanation within 200 meters, and is suitable for various large-group reception and explanation scenarios, providing high-quality audio communication services for government visits, enterprise inspections, exhibition explanations and other activities.
Specifications
L7-T Transmitter technical parameters:
| Carrier frequency | UHF794-806Mhz |
| Number of channels | 150CH（Adjustable mode: 1 – 150 channels） |
| Communication distance | ≤100m |
| Charging duration | 2.5h |
| Weight | 48g |
| Size | 114.8mm(L)*54.8mm(W)*20.6mm(H) |
| Working hours | ≥10h |
L7-R Technical parameters of the ear-mounted receiver:
| Carrier frequency | UHF794-806Mhz |
| Number of channels | 30CH（Adjustable mode: 1 – 18channels） |
| Communication distance | ≤100m |
| Charging duration | 2.5h |
| Weight | 16g |
| Size | 56.2(L)*23.6mm(W)*15.6mm(H) |
| Working hours | ≥10h |
Product features
One-Click Simple Operation: Press the SET button to power on, the transmitter and receiver will automatically search and connect signals without complex setting.
LCD Real-Time Display: The transmitter is equipped with a full-function LCD screen, displaying channel, volume, battery charge and signal strength in real time for intuitive operation.
Flexible Explanation Modes: Support one-to-many and many-to-many wireless transmission, the number of receivers can be increased indefinitely to meet the needs of large groups of different scales.
Strong Anti-Interference: Adopt 2.4GHz high-frequency band and UHF dual-frequency transmission, effectively avoiding signal interference from other electronic devices.
Independent Volume Adjustment: Each receiver supports independent volume adjustment, meeting the different listening needs of users.
Ultra-Long Standby Time: Powered by safe and environmentally friendly polymer lithium battery, the transmitter works for more than 20 hours and the receiver for more than 8 hours on a single charge.
Portable and Comfortable Wearing: The transmitter is only 48g and the receiver 16g with non-in-ear design, no sense of weight for long-time carrying and wearing.
Long-Distance Clear Transmission: Realize stable and clear voice transmission within 200 meters, and the sound is still clear within 150 meters without signal loss.
Cost-Saving & High Efficiency: No need for fixed wiring and installation, the portable design saves the cost of on-site transformation, and the wireless speaker can be used outdoors without power supply for amplification.
Application Scenarios
Scenic spots, museums, exhibition halls: Scenic spot explanation, cultural relic introduction, exhibition display and explanation for tourists and visitors.
Enterprises and industrial parks: Factory visits, production environment inspections, corporate product promotion and technical explanation for customers and partners.
Government and institutional units: Official visits, VIP receptions, on-site inspections and work exchange explanations.
Academic and cultural fields: School research activities, art exhibitions, academic exchanges, training institution teaching and explanation.
Commercial activities: High-end exhibitions, product launches, business conferences and large-scale corporate event reception.
Product Details
Transmitter (L7-T)
The whole machine is designed with a compact body, with the size of 114.854.820.6mm and weight of only 48g, easy to hold and carry.
Equipped with MENU, SET, MUTE and CHANNEL functional buttons, the operation is simple and easy to master, and the key layout is reasonable for one-hand operation.
Full-function LCD display screen, with clear font and bright display, can view the working status of the device in real time in both bright and dark environments.
Built-in high-performance polymer lithium battery with built-in charging protection, safe and durable, and the charging port is hidden and designed to prevent dust from entering.
Receiver (L7-R)
Adopt non-in-ear comfortable wearing design, avoid ear discomfort caused by long-time wearing, and fit the human body design for stable wearing.
The body is only 56.223.615.6mm and 16g, light and portable, and can be hung on the chest or worn on the ear according to needs.
Independent volume adjustment knob, sensitive adjustment, clear gear, and the volume can be adjusted at will according to the scene.
The signal receiving module is built-in with high sensitivity, which can quickly receive the transmitter signal and realize stable connection without disconnection.
Microphone
Provide two types: plug-in microphone and headset microphone, to meet the different use needs of commentators in different scenarios.
High-fidelity sound pickup core, clear sound pickup, no noise, and the human voice can be transmitted realistically.
The plug-in microphone is with a long line design, and the headset microphone is with an elastic headband, which is comfortable to wear and not easy to fall off.
Charging Box (HM-EB36/HM-EB48)
Adopt intelligent charging management system, with trickle pre-charging – constant current – constant voltage three-stage charging mode, which can protect the battery and extend the battery life while charging quickly.
220V universal power supply input, suitable for different voltage standards in various countries and regions, with strong compatibility.
The inner part is designed with a fixed groove for the receiver/transmitter, which can fix the device to avoid collision during charging, and the charging contact is stable and not easy to loose.
FAQ
Q1: How to pair the transmitter and the receiver of the system?
A1: It is very simple to pair, just press the SET button of the transmitter and the receiver at the same time to power on, and both devices will automatically search and match the same channel signal, and the connection can be completed in a few seconds without manual channel adjustment.
Q2: Is there any limit to the number of receivers connected to a single transmitter?
A2: There is no upper limit on the number of receivers. A single transmitter can be connected to an unlimited number of receivers at the same time, which is very suitable for the use of large groups with hundreds of people.
Q3: What is the actual effective communication distance of the system in the outdoor scene?
A3: The theoretical communication distance is ≤200m, and in the open outdoor scene without obstacles, the clear sound transmission can be realized within 150m; in the indoor scene with walls and other obstacles, the effective distance is about 80-120m.
Q4: Can the product be used normally in countries with different voltage standards?
A4: Yes. The charging box of the product supports 220V universal power supply input, and we can provide a power adapter with corresponding plugs according to the voltage and plug standards of different countries and regions to ensure normal use.
Q5: How to charge the transmitter and receiver in batches?
A5: We provide HM-EB36 and HM-EB48 contact-type charging boxes, which can charge 36 and 48 devices at the same time respectively. Just put the transmitter/receiver into the fixed groove of the charging box, and the contact charging can be realized without additional wiring.
Q6: What should I do if the receiver has no sound after connecting the signal?
A6: First, check whether the receiver is in mute state and adjust the volume knob to increase the volume; second, check the battery power of the transmitter and receiver; third, confirm that the transmitter and receiver are on the same channel. If the above operations still can not solve the problem, you can contact our after-sales team for technical support.