[Alan Anderson]

I'm inferring from your description that everything is fine until you try to make a wireless connection from your Driver Station computer to the robot. Is that an accurate interpretation?

Are you using the D-Link router on the robot? Where is it mounted? Do you have it far from any causes of interference, like a big chunk of metal or a motor or a speed controller?

The 12v-to-5v converter is a large source of radio interference. It's convenient and obvious to mount it right against the router itself, but it's also very very bad.