ATEN 4-Port USB 2.0 CAT 5 Extender (up to 50m). Type: Transmitter & receiver, Connectivity technology: Wired, Maximum transfer distance: 50 m. Transmitter local keyboard/mouse port type: USB. Receiver local keyboard/mouse port type: USB. Transmitter width: 6.7 cm, Transmitter depth: 6.02 cm, Transmitter height: 2.37 cm. Package width: 59 mm, Package depth: 239 mm, Package height: 160 mm