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Universal RF Wireless Multi Frequency 2 Channel Rolling Code Receiver for Garage Door & Gate

Universal RF Wireless Multi Frequency 2 Channel Rolling Code Receiver for Garage Door & Gate

Tecoo is an electronics manufacturing service provider offering turnkey PCB assembly services. We manufacture high-quality audio control boards with high fidelity, low noise and beautiful appearance. Support OEM and customized service.

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Product Introduction

We develop quality air conditioner controller, prototype smt assembly, full turnkey pcb assembly that is oriented to the interests of consumers, so that each product can meet international first-class quality standards, become the industry benchmark, gain social recognition, and become the most secure choice for consumers. We closely focus on the new development concept, establish forward thinking, and scientifically study and judge the situation. We hope that every employee will remember the mission of the enterprise, fulfill the responsibility on their shoulders, and create value for the society with their wisdom and sweat.

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Advantages of audio control board


1. The directivity is very good.

2, the sound attenuation is small. With traditional speakers, when you get too close, you will find the sound is loud, and when you are a little farther away, you will feel that the sound is much smaller.

3. The fidelity of the sound is high. Generally, the traditional horn is in the shape of a sound cone. When it vibrates and emits sound, it tends to concentrate the sound in the throat, compress it, and then spread it out. The sound people hear is the sound that has been compressed and deformed. .

4. The shape is ultra-thin and does not take up space. Due to the special structure of the flat-panel speakers, the formed speakers can be placed in any position, unlike traditional speakers, the effect of hearing is also very different due to the different placement positions.

Technical indicators


Its technical indicators mainly include six items: frequency response, signal-to-noise ratio, dynamic range, distortion, transient response, stereo separation, and stereo balance.

1. Frequency response: The so-called frequency response refers to the frequency range of the audio equipment and the relationship between the amplitude of the sound wave and the frequency.

2. Signal-to-noise ratio: The so-called signal-to-noise ratio refers to the ratio of the playback sound of the audio system to the new noise generated by the entire system. The noise mainly includes thermal noise, humming noise, mechanical noise and so on.

3. Dynamic range: Dynamic range refers to the logarithmic value of the ratio of the maximum undistorted output power of the audio system to the system noise output power when it is static, in decibels (dB).

4. Distortion: Distortion means that after the audio system replays the audio signal, some parts of the original audio signal (waveform, frequency, etc.) have changed.

5. Stereo balance: Stereo balance indicates the difference between the gain of the left and right channels in the stereo playback system. If the imbalance is too large, the sound image positioning of the reproduced stereo will be offset.

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Our company will continue to conduct in-depth research, maintain strict quality management, and provide high-quality Universal RF Wireless Multi Frequency 2 Channel Rolling Code Receiver for Garage Door & Gate and perfect services for the majority of customers. We insist on managing enterprises according to law, establish and improve various rules and regulations of enterprises, and bring enterprise management into the orbit of institutionalization, legalization and humanization. We believe that corporate interests are the prerequisite for the realization of other interests. Therefore, corporate interests should be put first in value judgments and profit selection.

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