Actually, what would help most would be an actual answer, like "maximum $5,000 per check" or "maximum mobile deposit is $25,000 per day."
Following the link to "Deposit@Home" is just a generic splash page.
Following the link there to the FAQ has this exact question....
...but the answer is:
She actually did give you the correct answer. Everyones maximm deposit via moble varies. You will have to click "get started" and actually attemp to make a deposit and when you enter the amount of the deposit on the enter data page then system will then tell you your maximum amount.