TubeStick
No extras required.
Enjoy TV out of the box - with your Mac and TubeStick: Along with the USB receiver and a passive mini antenna, you will find also find a USB extension cable and an additional antenna adapter.

Enjoy TV out of the box
Everything you need is included in the TubeStick box:
The USB TV device, a small antenna and TheTube, the software that brings TV to your Mac.
Here are the complete box contents:
USB 2.0 TV device
TV Software "The Tube"
Printed quick start guide
Extensive PDF manual
Activation code for The Tube
Antenna with magnetic base
External antenna adapter
S-Video/Composite Break-out Cable
FREE Add-on: USB extension cable