There shouldn't be as far as I'm aware of. As far as connectivity is concerned, the wifi-only versions follows the 802.11 b/g/n standards. The 2012 version can operate at 2.4 GHz, while the 2013 version can operate in either 2.4 GHz and/or 5 GHz.
There are two of them 2.4 GHz and 5 GHz.
120 m
Smartphone, 200mhz - 1200 mhz Tablet, 500 mhz - 1600 mhz Netbook, 1.2 ghz - 1.8 ghz Notebook, 1.8 ghz - 2.9 ghz Multimedia/Gaming Laptop, 2.5 ghz - 3.5 ghz Budget/All in One Desktop, 2.4 ghz - 3, ghz Gaming Desktop, 3.5 ghz - 5 ghz+
how far does cocoa beans have to travel till it reaches the UK
Part of the infrared spectrum, called "Far Infrared".300 GHz is approximately where high-frequency radio waves turn into infrared light.300,000 GHz is where infrared turns into visible light.List of frequency spectra: See related link.
There are only two of them 2.4 GHz and 5 GHz.
No. You need an Intel i5 2500k overclocked to at least 5 GHz to run 3dmax.
802.11a
The IEEE 802.11a specification applies to the 5 GHz frequency band. The U-NII has the ranges blocked in at 5.15 to 5.25 GHz, 5.25 to 5.35 GHz, 5.47 to 5.725 GHz and 5.725 to 5.825 GHz. Throughput is in spec'd at 27 MBits/second. Below you'll find links for more information.
It is free in India It's an open frequency source :http://www.wpc.dot.gov.in/
WiFi uses electromagnetic waves in the microwave band, around 2.4 GHz or 5 GHz.