ade7880 evaluation board requirement

Hi, i am looking for working on ade7880 energy metering IC , i want to know regarding ADE7880 Evaluation board requirement

like after purchasing evaluation board what all extra component or devices ,I need to buy and what is the maximum & minimum parameter to be consider for the evaluation Board.

may be i guess current  transformers is one thing ,if anything other than this

Thanks and Regards 

Sanju