The use of mobile terminals in the office is continually increasing. At the same time scanners multifunctional printers dongles meters and readers and USB hard disks frequently do not yet have a wireless interface. The DS-520AN Wireless USB Device Server replaces the USB cable with a radio or LAN connection and simultaneously avoids the restrictions of USB cables (max. 5 metres in length). This means that devices can be flexibly connected in any location. Furthermore USB Device Servers allow devices to be used by several people in sequence via the wireless network which reduces procurement costs for IT infrastructure and contributes to their full utilisation. USB Device Server. A USB Device Server is a network adapter that uses Silex USB Virtual Link Technology to make USB devices network compatible.