3G
Third Generation (3G) technology delivers wide-area wireless voice telephone, video calls, and wireless data, all in a mobile environment.
Compared to 2G and 2.5G services, 3G allows simultaneous use of speech and data services and higher data rates (minimum 2 Mbps peak bit rate).
Key Players
Bharti Airtel, Reliance Comm, Vodafone, Idea Cellular, Videocon, Idea, STel, Aircel, Tata Tele
Speeds
Can offer speeds of up to 14 Mbps on the downlink and 5.8 Mbps on the uplink.
WiMax
WiMax, an acronym for Worldwide Interoperability for Microwave Access, is a telecommunications technology that provides fixed and fully mobile internet access.
WiMax is classified under Broadband Wireless Access (BWA)
Key Players
Vodafone, Bharti Airtel, Reliance Comm, Aircel, Tata Tele, Qualcomm, Tikona and Idea, Spice, Infotel Broadband and Augere
Speeds
Can deliver speeds of up to 144 Mbps for downlink and 35 Mbps for uplink.
TD-LTE
Time Division Duplex Long Term Evolution is a 4G radio technology designed to increase the capacity and speed of mobile telephone networks.
Key Players
Qualcomm , Ericsson, Huawei, Motorola
Speeds
Can provide downlink peak rates of at least 360 Mbps and uplink of at least 80 Mbps
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