Antenna Software For Mac Antenna Simulation Free Software Help. ?

Antenna Simulation free software help. ? - antenna software for mac

Antenna help free software simulation. I'm trying to create a wireless device that receives its inputs?
through its antenna. Through the force of an electromagnetic field, propelled himself to be exposed to the device. My question is free software, or studied there, I had the antenna and the circuit and the simulated system design with an electromagnetic field. And there is no literature to help me develop this antenna.Please need your advice, thank you.