HDMI Versions, Bandwidth and Cable Length Guidelines Professional Reference for AV Consultants Prepared by: Vihang VASA Founder, Photonics Enterprise, Mumbai Date: 14 March 2026 HDMI (HIgh Definition Media Interface) standards primarily define bandwidth, features, and supported resolutions. The HDMI specification does not explicitly define maximum cable lengths; however, signal reliability is strongly dependent on cable length and transmission bandwidth. As HDMI bandwidth has