Kramer CA-UAM/UAF-65 Cable 19.5m, Active USB extension cable, Length: 19.50 m, Extends bus-powered without signal loss or potential performance problems, Contains active electronics that amplify the USB signal for longer distances, Works as a self-amplifying extender for use with USB cameras, printers, webcams, keyboards/mice, etc., Buffers incoming and outgoing signal, No extra power supply, draws power from source, Only data transfer, not suitable for charging, From USB 2.0 type-A plug to USB 2.0 type-A socket, Cable construction: 1 pair 24AWG + 2 pairs 22AWG + arrester 24AWG, Tinned copper mesh, True plug-and-play, no additional drivers required, Compliant with USB 2.0, USB 2.0 high speed standard 480 MBit/s