DK22D-3 is a secure dual head 2-port, 4K30 UHD DVI-I KVM switch. It enables users to share peripherals - keyboard, video, mouse and audio - between two different security-level networks/computers while isolating all hosts and protecting against data leakage and malicious attacks through shared peripherals. DK22D-3 provides the highest possible isolation between connected computers and is NIAP Common Criteria Protection Profile version 3.0 (PP3.0) certified.