3G refers to the third generation of mobile telephony (that is, cellular) technology. The third generation, as the name suggests, follows two earlier generations. (Continued....)
Millimeter wave is the band of radio spectrum between 30 Ghz and 300 Ghz that is available for use in a broad range of products and services like high speed, point-to-point wireless LAN and broadband access.
WiMAX is a wireless industry coalition whose members organized to advance IEEE 802.16 standards for broadband wireless access (BWA) networks...(Continued)