The KVX Dual-Head KVM Extender lets you control a server or computer over a singlemode or multimode cable at distances of up to 30 km (depending on the SFP used, fiber type, and fiber bandwidth). This extender also supports 4K video. PC connection cables are included with this product, making it a solution that is ready to use right out of the box.DisplayPort dual-head 4K transmission up to 30 km over singlemode cableSupports DisplayPort video resolution up to 3840 x 2160 at 30 HzTransparent USB 2.0 extension supports HID devices, mass storage devices. Bidirectional audio via speaker/mic connectionSupports RS-232 peripheral (serial) devices such as scanners or terminals. Local and remote units connect at distances of up to 10 km using SFP