The 3rd Generation Partnership Project 2 is a cooperation of 5 standardisation bodies to standardise CDMA2000. The members of 3GPP2 are:

  1. ARIB - Association of Radio Industries and Businesses (Japan)
  2. CCSA - China Communications Standards Association (China)
  3. TIA - Telecommunications Industry Association (United States)
  4. TTA - Telecommunications Technology Association (Korea)
  5. TTC - Telecommunications Technology Committee (Japan)

CDMA2000 is one of members of the IMT-2000 family of standards of 3rd generation mobile communications. The most important opponent is UMTS that is standardised by 3GPP.

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