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- wikiyou.tw
  
  WCDMA - 中華百科 - WCDMA介紹
  
  , WCDMA 是英文Wideband Code Division Multiple Access（寬頻碼分多址）的英文簡稱，是一種第三代無線通訊技術。W-CDMAWideband CDMA 是一種由3GPP具體制定的，基于GSM MAP核心網，UTRAN（UM... WCDMA
  
  2026-04-24
  
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- gophone.pixnet.net
  
  LTE、WCDMA、HSUPA、GSM 傻傻分不清？綜合解析速覽 ...
  
  2013年11月18日 - LTE、WCDMA、HSUPA、HSDPA 和GSM及CDMA 這5種有什麼不一樣？ ... 標準的進化，如果不討論細節，可以說它們最大的差別就是傳輸速度。
  
  2026-04-22
  
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Difference Between WCDMA and HSDPA | Difference Between | WCDMA vs HSDPA

日期：2026-04-21

WCDMA vs. HSDPA WCDMA stands for Wideband Code Division Multiple Access, a mobile technology that improves upon the capabilities of current GSM networks that ... Written by : Ben Joan. and updated on January 7, 2010 Articles on ......

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UMTS/WCDMA - 4G Americas

日期：2026-04-24

Universal Mobile Telecommunications System (UMTS) is a voice and high-speed data technology that is part of the International Telecommunication Union’s (ITU) IMT-2000 family of third-generation (3G) wireless standards. Wideband CDMA (WCDMA) is the radio ....

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UMTS HSDPA

日期：2026-04-20

UMTS HSDPA. The UMTS World is an 3G mobile system news and information provider. Comprehesive coverage of UMTS / 3G news, licensing, business developments, 3G WCDMA telecommunication technology, multi media mobile phones and future ......

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GSM, EDGE, WCDMA, GPRS, HSDPA - Forum for Electronics

日期：2026-04-18

These standards are part of 3GPP Evolution. They evolved as below. GSM-->GPRS-->EDGE-->WCDM(UMTS)-->HSDPA. GSM did not support packet data. GPRS supported packet data at 171.2 kbps theoretically with new network elements in Core network (SGSN ......

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Universal Mobile Telecommunications System - Wikipedia, the free encyclopedia

日期：2026-04-24

The Universal Mobile Telecommunications System (UMTS) is a third generation mobile cellular system for networks based on the GSM standard. Developed and maintained by the 3GPP (3rd Generation Partnership Project), UMTS is a component of the International ...

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3G, UMTS and WCDMA Technology page from UMTS World

日期：2026-04-25

Technology Page. The UMTS World is an 3G mobile system news and information provider. Comprehensive coverage of UMTS / 3G news, licensing, business developments, 3G WCDMA telecommunication technology, multi media mobile phones and future ......

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Cellular Antennas - GSM/GPRS/UMTS/HSDPA/WCDMA cellular antenna

日期：2026-04-22

Cellular Antennas Moxa offers different types of cellular antennas, including GSM/GPRS and UMTS/HSDPA/WCDMA. To help you find the best accessory for your application or device, Moxa has created a new Wireless Accessory Selector for your convenience....

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W-CDMA (UMTS) - Wikipedia, the free encyclopedia

日期：2026-04-18

W-CDMA or WCDMA (Wideband Code Division Multiple Access), along with UMTS-FDD, UTRA-FDD, or IMT-2000 CDMA Direct Spread is an air interface standard found in 3G mobile telecommunications networks. It supports conventional cellular voice, text and MMS serv...

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