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Detailed description of the performance characteristics and industry applications of wireless microphones

Author:admin   AddTime:2021-07-05

The wireless microphone is composed of several pocket transmitters (which can be installed in a pocket, the output power is about 0.01W) and a centralized receiver. Each pocket transmitter has a different working frequency. The centralized receiver can Simultaneously receive voice signals of different operating frequencies from various pocket transmitters. It is suitable for occasions such as stage podium.

Wireless microphone: commonly known as FM refers to the FM 88-108MHz international FM radio frequency band. Early consumer wireless microphones used FM radios to receive. The system was simple and low-cost. However, due to the effects of use, they could not meet the requirements of professional quality. In the 21st century, they could only become toys for children or students.



VHF wireless microphone: It is divided into two types, low frequency and high frequency. The former uses the VHF50MHz frequency band. Because of the low frequency, the antenna length is too long, and the most susceptible to interference from various electrical clutter, this type of product, In the 21st century, it has been replaced by high frequency bands and gradually disappeared from the market.

The latter uses the VHF200MHz frequency band. Because of the higher frequency, the antenna is shorter, and it can even be designed as a hidden antenna, which is convenient, safe and beautiful. The clutter interference of the receiver is greatly reduced, the circuit design is extremely mature, and the parts are popular at a price. Low cost, so it has become a popular model on the market today.

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