CDMA is a form of multiplexing that allows several transmitters to send information simultaneously over one single communication channel (e.g.: wireless networks) instead of assigning a specific frequency to each user as it is usual for GSM systems. CDMA encodes individual conversations by random digital sequence. It offers a transmission speed of only up to 14.4 Kbps in its single channel form and up to 115 Kbps in an eight-channel form.

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