There are quite a few RFID Standards that would all have nuances related to them. Saying a cloner that can "clone any one" makes it seem like you may not know what you are getting into here.
There is a wide range of combinations (you mentioned frequency yourself).
You'll probably want to be much more specific in your request if you want any serious feedback.
I'm not really familiar with it
That's why I'm looking for someone with experience so we can figure out what I need together
Would knowing the model number of the reader be any help