KWorld ATSC 310U USB 2.0 HDTV Tuner Box KWorld ATSC 310U USB 2.0 HDTV Tuner Box General Features: Interface: USB 2.0 (3-foot cable length) TV Tuner: 75 Ohm (UHF/VHF) TV Antenna Watch HDTV program (ATSC) or Analog (NTSC) TV programs on your PC or laptop Support up to 1920 x 1080i (HDTV) Dolby Digital AC3 Audio Output Additional AV/S Video input for connecting other video sources