R4i RTS for NDS?

Will the R4i RTS card work with a regular DS and not just the DSi? I'm VERY new to this whole thing, so bare with me please! If there is a thread I should be reading, please point me in the right direction!
Thanks all!!!

The DSi cards will also work on the DS Lite and DS.

it will work for the dsi xl and dsi , ds lite and original ds i have one they work fine for all the above hope it helps

Thank you guys! That helps greatly.