Ok so I am looking at this

Bluetooth device for me they are a local company so I can pick up the device and not have to worry about any shipping time. As I understand it i connect the Tx and Rx to the Tx and RX on the vex controller but then where do I connect the pwr and ground? An independent power source or is there 3V-6V power on the vex. Also I still have to check with the manufacter to make sure this is putting out TTL signal and not RS232 correct?
P.S. the link for the site of the bluetooth chip is here
http://www.sparkfun.com/shop/index.p...rds=Bluetooth&