This category is for articles describing features unique to only UMTS networks.

• If the article is describing a feature implemented in more than one type of 3GPP network and defined by 3GPP, put it in Category:3GPP standards.
  • An example of this is a feature implemented in both GSM and UMTS networks, or a feature that interfaces GSM and UMTS networks.
• If the article is describing a feature implemented in multiple mobile telecommunications networks, put it in Category:Mobile telecommunications or Category:Mobile telecommunications standards, accordingly.
  • An example of this is a feature implemented in both UMTS and cdma2000 networks.

If an article fits into a subcategory of this category, please put the article in this category in addition to the appropriate subcategory.

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