Regarding indoor distribution antennas and components, which of the following statement is wrong?

The leaky cable can be regarded as a kind of slot antenna, suitable for coverage in tunnels, subways, etc.

Attenuator: consuming the excessive energy of RF signal, mainly used to reduce signal level and avoid the influence of overflow

Try to use "high power, less antenna" for indoor antenna layoutcorrect

Power splitter: Split one signal into two or more channels (three-way, four-way) output