Multiple hotspot devices on one plan?

Can I have multiple hotspot devices on one plan?

I need 5 different hot spot devices so that certain vendors at our farmers market can have a Square (Edited per community guidelines) terminal to accept credit cards. It only uses 10kb per transaction. So I'm thinking of just getting the 20 GB per month plan and splitting that across the 5 hotspots. Is that (Edited per community guidelines)sible??