PLL frequency synthesis technique for stable signal transmission.
UHF frequency range with 6 selectable channels
One transmitter can be operated with multiple receivers within the operating range
Dynamic expanding circuit for high S/N ratio.
Complex interference-free circuit for using more than 4 sets simultaneously without mutual interference
Both transmitter and receiver use LCD-display to indicate frequency,channel,battery,level status
Long operating range up to 100m
Wireless tour guiding,simultaneous translation, audio-visual eduation

Specification：
Carrier Frequency:650-680MHZ
Frequency Response:30Hz--15KHz
Number of Channels:6
Transmit Power:50dB
Operating Range：>100m
Transmitter and Receiver Power Supply: 2x1.5 AA Alkaline battery(NOT INCLUDE)

Packing list:
receiver 50pc
transmitter 1pc
Earphone 50pc
Headworn microphone 1pc
3.5mm to 3.5mm conversion cable 1pc , It can be connected directly to your TV, hi-fi system or radio
User manual 1pc
Package: kraft box

Applications：
Guided Tour
Factories, Museums, Tourist Attractions, Zoos & Theme Parks, Cruise Ships & Buses, Schools, Meetings & Lectures, Employee & Dealers Training, Hotels and Resorts, Special Events.
Assistive Listening
Educational Institutions, Corporate Meetings, Training and Seminars, Theaters, Governmental Agencies, Houses of Worship, Conventions and Auditoriums.
Language Interpretation
Courtrooms, Educational Institutions, Conferences or Conventions, Houses of Worship, Medical Facilities, Employee & Dealers Training, Hotels & Resorts.

• 6 Selectable UHF Channels
• FCC Certification
• Expandable for unlimited number of users
• For wireless tour guiding,simultaneous translation, audio-visual eduation,etc.
• Ship With DHL

6 Selectable UHF Channels