I'm on my way out the Seegson Communications level when I realized that I missed an item box. Is it an important one? It's a long way to go back (map included) :
Comunitatea Steam :: Ghid :: How to get around Sevastopol
Get to the comms room | Walkthrough - Alien: Isolation Game Guide & Walkthrough | gamepressure.com
Steam Workshop::The Seegson Communications Live Wallpaper Collection (Alien Isolation)