23 Adjustable Channels
250M Long Transmission
2-Way Intercom
12H Long Battery Life
Strong Anti-Interference
2.5H Fast Charging
Universal UHF Frequency
Product Introduction
The 008B Digital Tour Guide Intercom System is a professional digital wireless audio communication product independently developed for team explanation and interactive communication scenarios. As a high-performance electronic tour guide equipment, it breaks the limitations of traditional explanation methods, integrates high-definition audio transmission and two-way intercom functions, and features stable signal, strong anti-interference, and easy operation. It is specially built for government receptions, enterprise visits, cultural and museum explanation, exhibition promotion and other high-end scenarios, providing clear, real-time and mobile audio explanation and team interaction services for users, and can be flexibly configured according to the actual number of participants.

Specifications
008B–T Transmitter technical parameters:
| Carrier frequency | UHF746-828Mhz |
| Number of channels | 23CH(Adjustable mode:0-23 channels) |
| Communication distance | ≤250m |
| Charging duration | 2.5h |
| Weight | 100g |
| Size | 183mm(L)*65mm(W)*32mm(H) |
| Working hours | ≥12h(hour) |

008B-R Technical parameters of the ear-mounted receiver:
| Carrier frequency | UHF746-828Mhz |
| Number of channels | 23CH(Adjustable mode: 0-23channels) |
| Communication distance | ≤150m |
| Charging duration | 2.5h |
| Weight | 100g |
| Size | 183(L)*65mm(W)*32mm(H) |
| Working hours | ≥12h(HOUR) |

Product Features
- Portable and easy to use: The whole set of equipment is light and compact, with a single transmitter and receiver weighing only 100g and a small size of 183mm(L)*65mm(W)*32mm(H). It does not need fixed installation and wiring, and can be used immediately after booting, suitable for all mobile explanation scenarios;
- Comfortable wearing design: The receiver adopts a non-in-ear design, which avoids ear discomfort caused by long-time in-ear wearing and is more suitable for all-day explanation and reception activities;
- Long-distance stable transmission: The effective communication distance of the transmitter is up to 250 meters, and the receiver is up to 150 meters. The audience can move freely within the transmission range and still hear clear explanation content;
- Ultra-long battery life: Both the transmitter and the receiver only need 2.5 hours of charging to achieve continuous working time of no less than 12 hours, which fully meets the needs of all-day on-site activities without frequent charging.
Application Scenarios
- Cultural tourism and museum venues: Suitable for on-site explanation, group visit and VIP reception in 4A/5A scenic spots, museums, art galleries, memorial halls and other cultural and tourism and cultural relics venues, improving the visiting and explanation experience;
- Industrial and enterprise visits: Applicable to production environment visits, factory inspections, corporate culture explanation and technical exchange activities of large and medium-sized enterprises and various institutions, facilitating the communication between the enterprise side and the visiting side;
- Government and institutional activities: Used for government inspection, official reception, inter-institutional learning and exchange, on-site explanation of observation and research activities, meeting the high-standard audio communication needs of official activities;
Product Details
Transmitter (008B-T) Details
- Compact & Durable Exterior: The transmitter features a streamlined body with a scratch-resistant matte surface, sized at 183mm(L)*65mm(W)*32mm(H) and weighing only 100g, easy to hold and carry with one hand. It is designed with a non-slip grip on the side for better handling during mobile explanation.
- Intuitive Button Layout: Equipped with clearly marked functional buttons including LOCK, SET, channel adjustment, and volume control keys. The large, raised buttons ensure easy operation even with gloved hands, and the memory function saves the last used channel for quick boot-up use.
Receiver (008B-R) Details
- Humanized Wearing Design: The receiver is designed as a compact handheld type with a non-in-ear matching headphone, avoiding ear fatigue from long-term wearing. The headphone adopts a soft ear-hook design, which is firm and comfortable and not easy to fall off during movement.
- Consistent Easy Operation: The button layout is fully consistent with the transmitter, with LOCK and SET keys for simple frequency matching, and one-key volume adjustment and channel switching, realizing zero learning cost for users.

FAQ
Q1: Can multiple teams use the Digital Tour Guide Intercom System at the same time without interfering with each other?
A1: Yes. The system is equipped with 23 adjustable channels with memory function. Different teams can adjust to different independent channels for use, and there will be no mutual signal interference, which is very suitable for multi-team explanation activities in the same scene.
Q2: Is the signal of the system stable in outdoor crowded places, and what is the maximum transmission distance?
A2: The system adopts advanced digital modulation technology with extremely strong anti-interference ability, and the signal is stable and clear even in outdoor crowded and complex environments. The maximum effective communication distance of the transmitter is 250 meters, and the receiver is 150 meters.
Q3: How to realize the two-way intercom function between the audience and the explainer?
A3: Both the explainer and the audience are equipped with headphones with microphones matching the system. The audience only needs to speak through the microphone of the headphones, and the explainer and all other audience in the same channel can clearly hear the question content, and the explainer can reply in real time through his own microphone.
Q4: How long does it take to charge the transmitter and receiver, and how long can they work continuously?
A4: Both the transmitter and the receiver only need 2.5 hours of full charging, and the continuous working time can reach more than 12 hours, which can fully meet the needs of all-day on-site explanation and reception activities.
Q5: What audio devices can the system be connected to, and is there any limit to the input audio format?
A5: The system is fully compatible with all current audio format inputs, and can be flexibly connected with various audio playback equipment such as mobile phones, computers and walkmans. There is no limit to the audio format, which can realize free switching of audio sources.
