The AverMedia H797R AVerTV Combo G2 PCIe TV Tuner is a Combo tuner, so it has one tuner for Analog (NTSC) and one for Digital broadcasting, Over-the-Air (ATSC) or Unencrypted Digital Cable (ClearQAM), receiving these signals directly to your PC! The AverMedia H797R AVerTV Combo G2 PCIe TV Tuner comes equipped with the industry leading Analog chip-set components from Conexant, as well as the second to none Digital chip-set components from LG Technologies.