Why not instead just turn on the parental controls and have a consoler or friend/family set it up? What you are asking for is theoretically possible but but its like using a sledge hammer to nail in a screw. There is a better tool for your problem that can fix your issue as well as making it so you can actually sync your Tablet.
Given that you already admitted you have a problem getting rid of the antenna wont help you as I can think of 2 ways you can potentially circumvent you getting rid of the antenna and then you are back at square 1.
Answer: Use parental controls, onboard andrioid is good but there are other apps that can and will lock you out of nearly everything except at certain times, and what you specify.