Nowadays, computer classroom training comes with an easy-to-install, simple, easy-operational pure-hardware interactive AV Broadcast system » , exclusively designed for education. This DV-202 is an HD CAT6 Extender system designed for the Computer Classroom Educational application. Using cutting-edge UTP transmission technology, it delivers a razor-sharp, crisp, real-time Video image and premium-quality stereo Audio. In addition, the system delivers functions that enable the faculty with powerful classroom management through Broadcast, Observe, All Call and Intercom, and Blank Screen Trans-broadcast. Such exclusive features permit the faculty to gain more focus on teaching while helping the students to learn better and quickly.