The USB2-EXT4P is a 4 Port USB2.0 Extender. It operates as one-to-one connection through CAT5e/6/7 Ethernet cables with a transmission distance of up to 100m for CAT5e and 150m for CAT6 and above When the connection passes through a Gigabit Ethernet Switch the input and output cable lengths can reach 100m (Cat5e) or 150m (Cat6/7) respectively. It supports 4 channels of USB 2.0 device input such as printer camera scanner USB flash drive keyboard mouse touchscreen etc. and supports Gigabit switch cascade. It can be used for security monitoring gaming industrial control professional audio-visual and other fields. Compatibility: USB 2.0 compatible with USB1.1 USB1.0 Transmission Rate: High-Speed (480 Mbps) Full-Speed (12 Mbps) Low-Speed (1.5Mbps) Transmission Distance: CAT5e ≤ 100m CAT6 / 6A / 7 ≤ 150m Supports USB Hot-Plug Operating System: Windows MacOS Linux and Android 4x USB-A Input 1x USB-A Output Follows IEEE-568B standard.