・? 99-CHANNEL IDs ALLOW YOU TO SCHEDULE AT LEASE 40 TOURS AT A TIME EXMAX wireless audio transmission system enhances communication between the tour guide and group members and helps overcome background noise and distance from the tour guide.Multi-channel systems on 195MHz-230MHz it has 99 select channel IDs allow you to schedule at least 40 groups to work simultaneously.The system can be used in factories, museums, tourist attractions, bus tours.Group members have listen-only capabilities.・? LONG TRANSMISSION RANGE & PORTABLE EXMAX ATG-100T wireless tour guide system's transmission is about 164-197ft (50-60 meters). Combining simultaneous translation equipment and tour guide systems. Can fulfill requirements for both effective and clear one-way communication as well as safely maintain social distancing. People not have to gather closely around the guide . Audio Tour is a useful tool for tour groups overcomeing background noise during roaming events.・? LONG-LASTING POWER WITH RECHARGEABLE BATTERY FCC certified.Both transmitter and receiver are built-in 900mAh upgraded lithium battery to guarantee more than 18 hours working. They are battery charging operated (charger adapters are included), no need AA batteries. Package includes transmitter, microphone, receivers, singleside earphones, lanyards,chargers,user manual. Note: EXMAX ATG-100T translation equipment is for audio description interpretation with a Human interpreter/translator.・? WIDELY APPLICABLE EXMAX ATG-100T Wireless Voice Transmission System Could be used for Whisper Interpretation, One-way Audio Guide Equipment, City or Bus Tour Guide ,Separate your audience from background noise, Training and Small Tours in Manufacturing Plant, Interpreter Translation Service Equipment for Church.A EXMAX ATG-100T Tour Guide System is a Discreet Alternative to a Loudspeaker System Ensuring Only Your Group Can Hear You.No More Yelling for People to Hear.・? WORRY-FREE AFTER-SALES EXMAX offers 2-year . We are full of confidence in the quality,We protect your purchase with an 24-month replacement , 100% satisfaction assured and lifetime customer support. If you have any question with our wireless tour guide equipment, please click Sold by "EXMAX" and "Ask a question",then leave a message to us. Your problems and suggestions is the key for us to improve.Thank you for choosing EXMAX products EXMAX provide 24/7 online services.説明: This Wireless tour guide system is designed specially for guides and groups.It is a lightweight,multi-channel system that helps tour participantslisten directly to the tour guide clearly,enhancing the wireless/effortless presentation effect between guide and participants.Features 99 channels:195MHz-230MHz, not 2.4G which is easy to be disturbed.99 selectable channels, no need toworry about signal interference. Current channel, battery level, signal level can be shown. Avoid the interference of other frequencies automatically. Small and lightweight, clearest voice transmission. 99 IDs allow 40 groups to use simultaneously. One transmitter can work with many receivers.Application Tourist, museums,business and tour guides to explain the convention,hotels and resorts The promotion of company's products, high-level exhibition, the Government, the reception of VIPs visited the factory. Educational institutions,training institutes,lectures,corporate meetings,governmental agencies. Courtrooms,conventions,simultaneous translation,multilingual meetings,seminars or exhibitions.Specification Transmitter & Receiver: Frequency Range:195MHz-230MHz Output power: 10mW Power Supply: DC 110-240V Power Input: 5V 1A Frequency Response:50-18000Hz S/N Ratio:?90dB(Typical) Frequency Stability:+/-0.005% Modulation Deviation:+/-75kHz T.H.D: