Sorry guys,
Forgot that the medium that the signal travels through determines the speed, not the wavelength. Remember hearing that in high school a few years ago :-).
The most common frequencies in the spectrum that are used in wireless devices are between 30MHz and 30GHz. I was wondering if, data-wise, you have a wireless device that can send data at 30MHz, and one a 30GHz, will the 30GHz device send that data faster?
The 30MHz device should reach that...