Talk:Orokin Reactor/@comment-49.49.187.16-20130401045632/@comment-99.175.209.48-20130406014103

You can add one (1) reactor or catalyst per weapon or warframe respectivly. It is a permanant upgrade, and the item is consumed upon use. Regardless of the frame/weapon level it doubles the mod points per lvl gain, and is not 'fixed' at the level you apply it, so you can apply it at level 1 or 30 and still end up with 60 mod points at maximum level.