Cyberdecks are computers (usually portable) that look to be from the future using futuristic things (like AR goggles) as a display. But Cyberdecks are also DIY (using Raspberry Pis, for example) mini portable computers.
Icon is a random image from Google Images
Zachariah is describing in great detail how he uses framework laptop parts to build a cyberdeck for rocket tests in the desert https://community.frame.work/t/ruggedized-framework-laptop-for-use-as-main-mission-control-computer-for-high-powered-rocketry/20260
