1. Some can try to change a set of frequencies, because some interference sources may just conflict with the frequency of this set of microphones, and changing a set of frequencies can often solve the problem.
2. Sometimes you can change the direction and angle of the antenna to improve your receiving conditions.
3. If the receiving environment is really bad, you can use multi-frequency adjustable wireless microphone.
4. If you encounter harsher reception conditions, such as the sound control room is not in the venue, or there is a column, wall barriers, etc, we try to solve the problem by just extending the antenna.