【Fiber Optic 20KM 4K@30Hz Zero Latency】‌ Experience ‌zero-latency 4K@30Hz DisplayPort transmission‌ over ‌single-mode fiber‌ up to ‌20KM/12.4 miles‌ – 66x farther than copper cables! Ideal for mission-critical scenarios like data centers, industrial control rooms, and medical imaging systems. Unlike competitors limited to 300m with multi-mode fiber, our fiber solution ensures ‌military-grade anti-interference‌ even in high-EMI environments 【4 USB 2.0 Ports: Remote Access & Charging Hub】‌ Expand your workspace with ‌4 dedicated USB 2.0 ports‌ (480Mbps) – the ‌highest density in its class‌. Remotely connect keyboards, touchscreens, storage drives, or charge phones/tablets ‌20KM away‌ 【RS232 + IR Control: Industrial-Grade Automation】‌ Dominate industrial workflows with ‌bidirectional RS232 control‌ (baud rate up to 115.2kbps) and ‌IR remote extensions‌: RS232‌-Connect SCADA systems, CNC machines, or legacy serial devices. IR‌-Operate projectors, medical equipment, or AV receivers from the control room. No more crawling under racks to press physical buttons! 【True Zero Latency: Real-Time 4K & EDID Master】‌ Engineered for ‌<1ms latency‌ (vs. 50ms+ in HDMI extenders), this KVM extender guarantees ‌ultra-responsive control‌ in 4K video editing, live broadcasting, and drone piloting. Built-in ‌EDID emulation‌ automatically locks the optimal resolution (up to 4096x2160@30Hz), eliminating "No Signal" errors during multi-monitor setups 【Plug & Play: No Drivers, No Downtime‌】‌ Deploy in seconds with ‌true plug-and-play‌ – no software or firmware updates needed. The ‌aerospace-grade aluminum chassis‌ dissipates heat 3x faster than plastic rivals 【Multi-Industry Certified Solutions】‌ Data Centers‌-Manage server racks across buildings. Factories‌-Monitor PLCs from safe control rooms. Hospitals‌-Stream 4K surgical feeds to lecture halls. Broadcast‌-Live-switch cameras 10KM from the studio. Smart Homes‌-Hide gaming PCs in basements. High-resolution, high-quality DP port USB KVM extender is widely used in security monitoring, corporate offices, video conferencing, school teaching, medical care, home theater, etc.