Can we implement 8x2 MIMO using tm3/tm4 mode?

Hi Experts,
Can we implement 8x2 MIMO using tm3/tm4 mode?
Or its possible with tm9 only?

I have seen only 8x2 in TM9, not sure about implementation.

Ok, not possible with tm4.

No, TM3/TM4 uses CRS which are limited to 4 ports only.