RDTA atomizer is a combination of the RDA and the RTA
A combination of the RTA and RDA will give all the advantages of RBAs.
First you have the rebuild-able coils that will give you plenty of flavor and vapor. You also get the tank which means that you do not have to drip all the time.
But, you also get the option of dripping as well.
Another factor is that they are 510 threaded.
Therefore, the RDTAs are compatible with most mods.
Finally, because of the rebuild-able coils that are needed, is highly recommender only vapers with more experience to purchase it.