An analog signal is a constantly changing physical quantity representation of a signal and information. The analog signal is continuous.
Hefei Humantek Co.,Ltd. is a leading manufacturer of audio video guide system playerin China, established in 2007.
Our products can be widely used in Scenic spot, museums, companies , factories, government agencies and technology center. The audio video guide system player passed ISO9001:2000 ,CE and Rohs .
The team audio video guide system player is suitable for the group travel, company visit.
The speaker can speak by transmitter , the visitor can listen can receiver. It providing high-quality tour services, it overcomes the noise pollution and confusion caused by the previous use of loudspeakers and visits a clear, quiet and comfortable environment.
The advantages of analog communication are intuitive and easy to implement. But it has two main drawbacks. Analog communications, especially microwave communications and wired communications, are easily eavesdropped. Once the analog signal is received, the communication information is easily obtained. When the sign。
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