UPSC Prelims 2010·GS1·science-and-technology·it and communication

Which among the following do/does not belong/belongs to the GSM family of wireless technologies?

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Last updated 23 May 2026, 3:31 pm IST
  1. AEDGE
  2. BLTE
  3. CDSLCorrect
  4. DBoth EDGE and LTE

Explanation

DSL stands for Digital Subscriber Line. It is a wireline technology used for transmitting high speed data over traditional copper telephone lines. It belongs to the broadband family of fixed line internet connections rather than wireless mobile technologies. On the other hand, GSM, EDGE, and LTE are all generations of wireless mobile technologies. EDGE is an enhancement of the 2G GSM network, and LTE is a 4G wireless standard that evolved from the GSM and UMTS family. Therefore, DSL is the only option that does not belong to the GSM family of wireless technologies.
science-and-technology: Which among the following do/does not belong/belongs to the GSM family of wireless technologies?

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