Datavideo VP-597 is a six output SDI distribution amplifier with A/B inputs switching control. It supports 3G/HD/SD SDI video with embedded audio and re-clock design for long distance transmission. Two source inputs can be controlled by an A/B panel switch or thru GPI remote control interface. VP-597 is ideal for simple A/B source switching to multiple HD displays or it can be used as a backup 3G/HD/SD SDI input sources switcher for live events.