Terimler Sözlüğü

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Welcome to the ZyXEL Networking Glossary - your definitive source for descriptions of networking terms and ZyXEL's product features.

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    The UMTS (Universal Mobile Telecommunications System) is one of the third generation (3G) wireless standards, which is based on GSM. WCDMA (Wide Band Code Division Multiple Access) is the radio technology used in UMTS. Therefore, the terms "UMTS" and "WCDMA" are often used interchangeably. UMTS can allow data rates of up to 14 Mbps when using HSDPA (High Speed Downlink Packet Access), a mobile telephony protocol.