LOL remote just means theres a long fucking cord between the bulb/hood and the actual ballast. So that it can be placed outside the grow room so as not to contribute to the heat in the grow chamber.
Tkfui you were right, you interpreted what this asdf101 was actually asking, he just had his terminology wrong.
I think what asdf101 was actually trying to ask was...Whats the difference between a digital ballast and a magnetic ballast? and tkfui answered to the best of his ability.
there are a few more differences. Digital is smaller, makes almost no discernable noise, less heat, more efficiency, easier on the bulb. Most of them can also run Metal Halide lights and are multi tap ( runs on 120 or 240). They cost more.
Magnetic ballasts are dirt cheap and work for a long period, they are also stupid simple. Most will not run a MH light unless it specifically states so. Most are multi tap also.