How does a wireless microphone work

  The performance of a wireless microphone is often affected by various factors such as frequency interference, user error handling, etc. This article will teach you how to avoid and prevent the most common wireless microphone problems.

  When using wireless microphone, there is always interference between the system itself. Although each system has frequencies or intervals of several megahertz, Intermodulation Distortion (IMD) can still cause interference between microphones. If there is not enough space between the intermodulation signal and the device's operating frequency, it is difficult for the receiver to pick up the signal from the transmitter. Typical phenomena are crosstalk between systems, frequent signal loss or excessive noise and distortion.

  The minimum separation between frequencies depends on the design of the system receiver, which may require an interval of 1 MHz from the nearest neighbor. The more expensive receivers usually have narrower adjustment "windows" that allow for a smaller intermodulation frequency separation between each system.

  BY-WM6 UHF Wireless Microphone System

  The BOYA BY-WM6 is a UHF Wireless Microphone System designed to work with DSLR camera, Camcorder, PC and more.


  In order to avoid intermodulation distortion, choose the calculated frequency of mutual compatibility. This requires a wealth of transmitter and receiver design knowledge that is often calculated by wireless system builders. For example, when only eight wireless microphones are used together, thousands of calculations are performed to ensure compatibility between the microphones. As a result, most manufacturers have released their system-compatible frequency list. In addition, software can be used to help users identify compatibility frequency under certain conditions.
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