PureLink HOF III TX/RX 4K60 4:4:4 Fiber Extender w/Loop Out & Audio Insert/ExtractThe HOF III offers a powerful solution for long distance distribution of 4K60 video, audio, and control signals over fiber. Ultra HD 4K, HDMI 2. 0 (18G), RS 232, Bi Directional IR, Loop Out (Tx), Audio Extract Insert, & EDID Management are all supported on distances up to 10km (~33,000ft). Key Features Supports Loop Out (Tx), Audio Extract Insert, Bi Directional IR, RS 232, & EDID Management Supports distances up to 10km (~33,000ft) 4K60 4: 4: 4