In which year Alexander Graham Bell patented "Wired Telephone" ?, 1875, 1876, 1877, 1878, When new wireless Generation was developed, 0G was also known as, Post- cellular, Cellular-Network, Pre-Cellular, Rookie, What was the initial technology used in 0G ?, PTT, MTS, IMTS, AMTS, When did 1G came in existence?, 1981, 1979, 1980, 1982, The first nation to become fully wireless connected, China, Denmark, Japan, Swedan, When did first International Roaming was done?, 1982, 1979, 1981, 1980, In which year Japan became first nation to be connected fully wirelessly ?, 1979, 1981, 1982, 1984, In which generation Voice call and SMS both came in existence, 0G, 1G, 2G, 3G, In which generation facility of MMS (Multi-media Message Service) started ?, 2G, 2.25G, 2.5G, 2.75G, Mention the generation, when Video calling, Mobile Internet and Streaming started., 3G, 3.5G (H), 3.75G (H+), 3.9G, When does 3G was commercially released and where ?, 1998, Japan, 1999, North Korea, 2001, North Korea, 2002, South Korea, What is the Full form of GSM?, Global Sounds for Mobile communication, Global System for Mobile technology, Global System for Mobile communication, Global Sounds for Mobile technology.

Telecommunication technology

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