TV Connectors for Males and Females
The CEI connectors is also knows such as IEC, there are use in the conection with the television. This connector is the union with the wall with a female connector CEI, coaxial cable and a male connector for the antenna input in your television.
We also have adapters CEI to another kind of conection.
It notes that the best connectors CEI CEI males and females are shielded because they avoid interference from 4G mobile signal.