通信工程專業(yè)英語論文翻譯-文庫吧
2024-09-29 13:42 本頁面
【正文】 uses SIM card that identifies a user and stores the information in the handset. The SIM card can be swapped between handsets, which enable to move all the contacts to the new handset with ease. CDMA can have this flexibility with their own service that stores data on the operator’s database. This service allows the user to swap data’s between two handsets with a little trouble, but the advantage is it can be done when the handset is even lost but in GSM technology, when a handset is lost, SIM card is also lost with it. When it es for international roaming handsets with GSM is far better than CDMA handsets because GSM is used in most the markets across the globe. Users using triband or quadband can travel to Europe, India and most of Asia and still can use their cell phone. CDMA does not have this multiband capability, thus cannot be used multiple countries with ease. Differences between CDMA and TDMA: CDMA technology claims that its bandwidth is thirteen times efficient than TDMA
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