These modular plug connectors are used in making telephone and networking cables.
Each connector come with gold plated contacts.
There are several types of modular connectors available below.
![modular plud](https://abra-electronics.com/images/70-xxxx-xx%20-eng%20.png?1700580223910)
The best standard combination for making computer networking of Cat5E or Cat6 cable is the modular plug 70-619 and using modular crimping tool 70-0317.