What do you mean, not on the same channel?

This sentence means that you can't communicate.

Two people are not on the same channel. Unable to communicate in communication. Two people express themselves in different ways. Therefore, two people who are not on the same channel will not understand each other in life and work. In life, two people have different personalities and lifestyles, including social aspects.

This sentence appeared after the popularization of modern equipment. In broadcasting equipment and TV, there will be the concept of channel, and almost all devices can only accept channels at the same time. When you watch a channel, so much information from other channels is naturally out of your reach. In life, you say yours and he says his, which is the performance of not being on a channel and unable to communicate.