MATLAB to arduino wireless communication

Hi,
I want to control my bot using MATLAB GUI and I have achieved through transmitting data through serial cable, now I need to transmit data from MATLAb to arduino (Robot) wirelessly. How can I achieve that. Plz help.

How can I achieve that.

Over what range? How much data needs to be sent? How reliably? What research have YOU done?

I take up an idea of using RF modules. just to control two motors of robot- front, back, right, left. as it needs four bit of data. so I implemented and completed with RF transmitter and Receiver.