Simulator for RFID 125 kHz antenna

Hello, it is the first time that I write on this forum.

I must plan the antennas of the reader and the tag of a rfid system at 125 khz; Which simulator advised to me?Is HFSS adapted?

with regards

I hear Feko is good for this application.

What did you use ?

Do you have IE3D? I think It 's good for a planar RFID design.