Portable is a loose term, it only works when on a door, the gateways a colapsing frame that goes around the door opening to the pocket dimension, it only works on rectangular doors, not car doors or garage doors. Powering it was a trick, but I found martanium and iron suspended in an acid produced the best output. Exploring them, only 100 of them, noteable differences were environment, each one ha sa specific climate, flora, fauna in some cases, or even purpose. *Sweets closes the door, turning the key then entering 0051 turning the key opening the door to a small operating room.* It was fully stocked with medical equipment.*he turns to leone* You following this?