Extend USB 2.0, RS-232, and audio signals up to 330 feet with the Kramer EXT3-U-KIT. Designed for meeting rooms, classrooms, and corporate environments, this all-in-one kit includes a transmitter and receiver that convert USB and audio signals over a single Cat 6a cable for seamless connectivity and power. Connect up to four USB peripherals: keyboards, mice, headphones, or smartphones, and enjoy smooth, plug-and-play performance without complicated setup.USB 2.0 and Audio Extension: Transmit USB and stereo audio signals up to 330 feet over Cat 6a or 98 feet over Cat 5e.Wide Device Compatibility: Supports cameras, touchscreens, smartboards, hard drives, game controllers, printers, scanners, mice, keyboards, smartphones, and tablets.Remote USB Charging: Charge connected devices via USB fast charge when using the included power supply, or standard USB charging via the transmitter.Bidirectional RS-232 Support: Enables two-way serial communication for data transmission and device control.Plug-and-Play Installation: Compact, fanless design mounts easily, with a single twisted pair cable for both power and signal. Onboard LED indicators simplify troubleshooting and maintenance.