How can i use MP connect with several Cube(s)

I have 5 cube using 4G module connect with my server.
And i can use TCP to connect with each one of them .
My question is can i connect with all of them?
"connection list”?

i need to make them all get in RTK
(i have a here+ base connect with my PC(usb))

connection list can do many at once.
or you can use connection option to add one at a time

the file format for connection list is

thank u michael~
i will try it now