Zte and Zyxel Antenna Ports

I need to replace my 4G Mobile router but looking to the future I intend to buy a 5G model
On 4G the signal is OK but I squeeze out more by using an external 4G Antenna
I am looking at these two routers:-
Zte MC801a
Zyxel NR5103E (v2)

Can anyone tell me if these antenna ports are suitable for my 4g antenna as there seems to be nothing to confirm this, apart from" 5g 2x2 or 4x4 MiMo" ports