Avertv MTVCOMG2W Combo G2 (White Box) Digital TV: Over-the-Air (ATSC); Unencrypted Digital Cable (ClearQAM); Analog TV: Cable TV (NTSC); Satellite with Set-top-box (NTSC) Hardware Encoding and 3D Y/C Comb Filter Compatible with Windows 7; Windows Vista Premium Certified (32/64 Bit) ; Windows XP Drivers (32/64 Bit) Stereo Sound ; HDTV support up to 1080i PCI Express Interface; Low Profile Form Factor