Yealink USB Extender through CAT5E cable up to 40 meters. The Yealink USB2CAT5E-EXT USB Extender provides a simplified installation taking the advantage of CAT5e cable. With the flexibility of the USB Extender, users can place the USB peripheral nearly anywhere in meeting rooms. Also, the CATe5 cable length can be tailored according to particular demands. The powerful USB extender solution can boost a USB signal up to 40 meters.