Regular secure KVM switches allow users to work on only one channel/computer at a time. The Belkin Secure Windowing KVM is the only product in the market today that was designed for environments in which the user needs to constantly work and monitor multiple channels, with different security levels, simultaneously. The Belkin Secure Windowing KVM offers superior security for government and high security agencies by providing true data path isolation between systems and networks. Fully compatible with legacy (using Belkin smart cables) and new government systems, and Common Criteria validated to EAL 4+ to assure the highest level of protection, the Belkin Secure Windowing KVM is the ultimate security and data protection solution for organizations that are required to interact simultaneously with multiple networks; including analysts and operators in defense and intelligence, or complex command and control environments. Device Type: KVM / audio switch - 4 ports Subtype: KVM Ports: 4 x KVM / audio Features: Common Access Card (CAC) reader support Power: AC 120/230 V (50/60 Hz) Dimensions (WxDxH): 3.1 in x 6.2 in x 1.3 in Weight: 2.2 lbs Manufacturer Warranty: 3 years warranty Bundled Services: 3 years warranty Device Type: KVM / audio switch - 4 ports Enclosure Type: Desktop Subtype: KVM Ports: 4 x KVM / audio Max Resolution: 1920 x 1200 Features: Common Access Card (CAC) reader support Status Indicators: Port status Interfaces: 8 x DVI-D output 4 x keyboard (USB) / mouse (USB) - Type B 1 x keyboard (PS/2) 1 x mouse (PS/2) 4 x audio output - mini-jack 3 x USB - Type A 4 x USB - Type B 1 x audio input - mini-jack 2 x DVI-D input Power Device: External power adapter Voltage Required: AC 120/230 V (50/60 Hz) Compliant Standards: Common Criteria EAL4+ Width: 3.1 in Depth: 6.2 in Height: 1.3 in Weight: 2.2 lbs Service & Support: Limited warranty - 3 years Min Operating Temperature: 32 °F Max Operating Temperature: 104 °F Humidity Range Operating: 0 - 80% (non-condensing) Min Storage Temperature: -4 °F Max Storage Temperature: 140 °F