What I need to order for specific configuration?

[ginoc1]

Before I place my order I wanted to check here to ensure I have this all configured correctly. My plan is to take a STECS-Standard, mount to a UMC and add 2 TQS/V to the top plate of the UMC. Assuming this is possible of course. I already have T-Rudders and MCG-Pro on the same blackbox. So my cart currently looks like this...am I missing anything? Anything overkill? Appreciate any assistance

STECS-Standard - $279
UCM-S for STECS -Standard - $109
GNX-THQ/V QTY 2 - $148
GNX USB Controller (HID Main) - $15
GNX Module Coupler (2-pack) - $5

It wasn't clear to me if the THQ/V "plastic coupler" is for connecting another module or if I needed to purchase the coupler 2-pack. Anyway please confirm that I can in fact mount two connected THQs to the UMC upper plate and if the above is everything I need to purchase.

Thank you!

**Questions answered on Discord...no replies necessary here thank you**