Description
The ATEN CE840 is an HDBaseT 3.0 USB True 4K HDMI KVM extender that transmits uncompressed video and control signals over a single Cat 6A cable. It delivers True 4K HDMI up to 100m and supports HDR10+ for accurate image reproduction. The system comprises a local unit and a remote unit to enable local and remote console operation.
Key features include HDBaseT 3.0 transport for HDMI audio RS232 Ethernet and USB over one cable – support for HDR10+ and 4K@60Hz 4:4:4 video – dual-console USB keyboard and mouse control and four USB 2.0 ports for peripherals. The CE840 also supports individual stereo audio and HDMI audio formats such as LPCM 7.1CH Dolby TrueHD Dolby Digital Plus and DTS-HD Master Audio. HDCP2.3 and 2.2 compliance ensures content protection compatibility.
Performance is engineered for professional AV environments with an 18Gbps bandwidth 600 MHz pixel clock and zero compression or perceptible latency. True 4K at 3840 x 2160@60Hz 4:4:4 and 4096 x 2160@60Hz 4:4:4 are supported up to 100m over HDBaseT3 certified Cat 6A cable and a long reach mode extends 1080P up to 150m. The unit supports wide resolution ranges and high refresh rates including select 4K 4:2:0 modes at higher frame rates.
Connectivity is comprehensive – each unit offers HDMI ports USB Type A ports for keyboard/mouse and peripherals USB Type B for KVM RS232 DB-9 serial ports RJ-45 GbE passthrough and stereo mic/speaker jacks. The extender requires no driver installation and offers firmware upgradeability plus front-panel LEDs and pushbuttons to select active console control. CEC is passed from local to remote per unit limitations documented in the manual.
The CE840 is suited to applications that demand precise visualization and remote control such as control rooms broadcast facilities data centers medical imaging and industrial monitoring. It facilitates centralized equipment access while preserving full 4K image integrity and multichannel audio support. The compact metal housings are rack-mountable for neat system integration.
Installation is straightforward using a single Cat 6A cable (ATEN 2L-29330 recommended) and standard HDMI and USB cabling – long reach mode can be enabled via a slide switch and requires firmware v1.0.064m or later with an automatic reboot to activate. The units include ESD protection and consume modest power making them suitable for continuous professional use. Firmware upgradability and robust build quality support long-term deployment and maintenance.
