One pair as a complete functional module, no configuration required. CAT-5e / 6 cable can replace HDMI cable to achieve long distance transmission. Follow the standard of IEEE-568B. Transmission distance can be up to 30 meters at 1080P, 4K * 2K through CAT-6 cable. Supot hot swap. Plug in and play! Up to 2.5 Gbps signage display compatible with 1080p display. No need for extra power supply
