008B Bi – Directional Professional Tour Guide System Transmitter with headphone

Category:

Product Details

 

Detailed Product Description
Product: Tour Guide Device Color: Black
Componet: Transmitter&Receiver Power: Lithium Battery
Feature: Bi-directional Application: Teaching/Traning

 

008B Bi – Directional Professional Tour Guide System Transmitter with headphone

Descriptions:

TuMan 008B tour guide system is detrusion by HUMANTEK CO.,LTD,The system adopts the international advanced wireless amplification technology,Use The Wireless Bi-directional tour guide system,the narrator and the audience can interact eachother,can be realized within the team can ask one answer,everyone can hear,the function to fill a gap in the industry!
The dvice contains Transmitter and Receiver;

 

TuMan 008B product feature:
1. Unique two-way radio: avoid one-way explain the poor interaction;
2. Far transmission distance:open field >= 280 m;
3. The through wall effect is good: through concrete wall,brick wall penetration effect;
4. The transmission effect to international level,the leading domestic:Using core technology sound processing,perennial export Europe and the United States and other countries!

Using graphic:

Parameters:

Name Value
Working frequency: 796.0-821.0MHz,Broadband,the sound quality is better;
Channel quantity: 23CH;Two-way intercom;
Channel spacing: 250KHz;
Transmitter power: 15dBm;
Receiving sensitivity: -110dBm(typical);
Working voltage: 3.0-5.0VDC,recycle polymer lithium battery;
Input: Input(Transmitter):3.5mm microphone;
Output: Output(receiver):3.5mm headphone
Oscillator: PLL;
Second harmonic trap: >40dbc;
Frequency response: 20Hz-16KHz;
Signal to Noise Ratio: 80dB(typical);
Image reject: >80dB;
Mirror harmonic: >75dB;
Separation factor: 70dB(typical);
Frequency offset: <3k;
Distortion factor: <1%;
Oscillation frequency: +/-2ppm;
Working current: Transmitter:≤80mA;Receiver:≤50mA;
Working distance: >=250m;
Working temperature: -20℃—+70℃;
Dimensions: Length86mm×Width60mm×Height19mm;
Weight: Transmitter:110g(include battery);
Receiver:95g(include battery);

 

 

Sucessful case: