Connector F connector. Used to join two male coaxial cables.
What benefits does a F connector?
It is the easiest way to join two male type cables, being threaded, is easy to replace.
It can also be used to insert intermediate elements without the need to cut new cables.
What cable can I use with this splicer?
You can use coaxial cable of the dimensions of 6.7, 6.8 and 7mm like this and such male connectors like this