robot frequencies

For Science Olympiad the frequencies in robot arm must be marked on the cortex microcontroller and the joystick. The problem is that I can’t find where it is marked. Could you possibly tell me the frequencies in MHz of both of them? Or let me know where it is marked in MHz, because that is the only measurement they will take.


The Cortex and Joystick are marked with “802.11g”
Which basically means 2.4GHz:


Thank you oh so very much!