The CAT5 USB (Universal Serial Bus) Extender Premium allows the distance between a USB (Universal Serial Bus) device & a host computer to be extended to incredible lengths using standard CAT5/5e/6 network cable (not included). With its advanced chipset design it's especially suitable for use with USB (Universal Serial Bus) 1.1 multimedia devices such as whiteboards & webcams. More Information For most standard devices, including printers, scanners, USB (Universal Serial Bus) 1.1 webcams etc., it can extend the connection distance by up to 50m. For certain low speed devices, such as keyboards & mice, this can be increased to up to 100m. The USB (Universal Serial Bus) Extender Premium consists of a local unit with a USB (Universal Serial Bus) Type A Male (host computer side) & a remote unit (device side) with a built-in USB (Universal Serial Bus) Type A Female connector. A low cost network patch cable (not included) is required to connect the two units together. Please Note: The USB (Universal Serial Bus) standard allows a maximum of 5 hubs to be used between a host computer & a device. Depending on the length of the cable used, this CAT5 USB (Universal Serial Bus) Extender introduces a signal delay equivalent to 2 hubs over 20m; 3 hubs over 30m; & 5 hubs over 50m. Therefore, when using a 50m cable with this Extender, no extra hubs or extension cables can be used between the computer & the device. Connection Diagram: