When entering the portal, as long as there was one on the other end, it would throw you somewhere within a one-mile radius of another. As long as there was already a portal set up on the other end. The reason why the group were holding hands is to ensure that they would all be teleported to the same place.
Unlike when Quinn and Vorden entered the teleporter one by one, they were chucked to different locations.
On Del's back was a fairly large rucksack that looked quite heavy. As he walked with the group, hit footsteps stomped the ground and his back was arched.
"Why do I have to carry this thing!" Del complained.
"Right now you're the weakest of us four right?" Fay replied, "So if you want us to protect you, it's best that you carry the portable teleporter."