Can't connect to Android via ADB over wifi - Do I need root access?

Question

I\'m basically trying to do this: How can I connect to Android with ADB over TCP? with the Droid X2.

I have USB Debugging on, and my phone is plugged in via USB. The

Answer 1

I couldn't connect adb to my Nexus5 Phone over 5Ghz WLAN but it did work with the slower 2,4 Ghz instantly.