noun, noun or participle which takes 'suru', intransitive verb
interference; jamming; crosstalk
Technical term for unwanted signal mixing in radio, telecommunications, or audio. Often used with する to describe the occurrence of interference.
ラジオが混信して、放送が聞き取りにくい。
The radio is experiencing interference, making the broadcast hard to hear.
It seems to be interfering with the adjacent channel.