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The correct answer is WWAN, which stands for Wireless Wide Area Network. This technology is specifically designed to cover large geographic areas, making it suitable for cellular networks such as CDMA (Code Division Multiple Access) and GSM (Global System for Mobile Communications). WWAN utilizes various transmission technologies to deliver mobile connectivity over extensive distances, enabling communication in urban, suburban, and rural areas.

In contrast, WLAN (Wireless Local Area Network) typically covers shorter distances, like within a home, office, or other confined spaces, and is geared towards high-speed local connectivity. WPAN (Wireless Personal Area Network) is intended for very short-range communication, often used for connecting personal devices like smartphones and tablets to peripherals. Bluetooth, commonly associated with WPAN, operates effectively over short distances for personal device connectivity but does not support the large coverage areas typical of cellular networks.

By focusing on the requirements of connectivity needed for extensive areas and high mobility, WWAN stands out as the appropriate choice among the wireless technologies listed when discussing cellular networks.