Wireless Joint

How many connectors does the 5G have and does each need its own antenna? I get great service (150Mb/down) but I need to put my modem in my "server" closet and I want to run antennas up 15' to my attic (as I do right now with my other equipment). Not trying to take away from The Wireless Ha...

I see no way that T-Mobile would know that the device has been opened. There are no seals or springs or booby traps. (At this point I have only taken it apart, not put it back together.)