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CDMA (Code Division Multiple Access)

CDMA stands for Code Division Multiple Access, a digital cellular technology used primarily for mobile voice and data communication.

  • Unique Code Assignment: In CDMA, each conversation is encoded with a unique key, and then multiple encoded conversations are transmitted over a single frequency channel simultaneously. This is different from other technologies like GSM (Global System for Mobile Communications), which divides the frequency band into different time slots.

  • Improved Voice Quality and Security: The unique encoding of each call in CDMA not only helps in managing more calls on the same bandwidth but also provides enhanced voice quality and security.

  • No Fixed Limits on Capacity: Unlike GSM, which has a fixed maximum capacity per cell, CDMA's capacity is limited by the overall level of noise and interference on the network, making it somewhat more flexible.

  • Less Prone to Dropouts and Interference: CDMA is less prone to experiencing dropouts and signal interference compared to other technologies, offering a more stable and consistent connection under various conditions.

  • Used in 3G Networks: CDMA was a foundational technology for 3G cellular networks and set the stage for the development of 4G LTE (Long-Term Evolution) technology.

CDMA has played a significant role in the development of wireless telecommunications and is notable for its efficiency and the quality of service it provides in crowded and diverse network environments.

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