The wireless transmission distance is mainly determined by the power of the transmitter and the sensitivity of the receiver. Directly increasing the transmission power or receiving sensitivity can increase the distance and signal quality. However, after the specifications of the two are shipped, the user cannot arbitrarily change; especially in addition to the limitation of radio wave regulations, the increase in transmit power will cause the loss of mutual interference of multi-channel signals to be more serious. The power consumption of the product itself increases, and the use time is greatly shortened. Of course, it is not the best policy.
In addition, the sensitivity of the receiver is improved. In theory, the sensitivity is improved by 6dB, and the receiving distance can be increased by two times. However, in reality, it is not easy for the user to arbitrarily change the original sensitivity of the receiver. Since the wireless microphone system is actually applied, the transmitted signal is received by the device at the antenna of the receiver, so the only way for the user to achieve the overall system transmission effect is to improve the characteristics and installation engineering of the receiving antenna.
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