The 25' CPA-UAM/UAF Plenum Rated USB Active Extender Cable from Kramer is a bus-powered USB 2.0 Type-A extension cable that can be used to increase the length of a device without any signal loss or potential performance problems. It contains active electronics, which boost the USB signal for improved reliability and performance over extended distances. The cable operates as a self-powered extender, for use with USB cameras, printers, webcams, keyboards, mice, and more. It is a true plug-and-play cable and requires no additional drivers.