"I can't tell you either way. It's not Superboy that doesn't have a signal. It's me." Tim is checking settings and fiddling with connections, but there's only so much troubleshooting that can be done on it without a computer. It's not meant to be an entire laptop.

He shoots Jason a worried look. "What about the comm in your helmet? Anything out of that? Maybe dirt or moisture got in mine when I was underground."

Like anything electronic they use can't handle getting a little soiled.