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You are here: Home / CompTIA / Network+ / Section III: Network Media and Topologies / Chapter 16: WAN Technologies / Cellular Networks

Cellular Networks

Cellular networks are used in conjunction with mobile devices (e.g., cell phones, tablets, PDAs, etc.) to send and receive data traffic, in addition to classic voice service. These networks cover large geographical areas by splitting them into cells. Antennas are strategically placed to ensure optimal coverage across these cells and to ensure seamless cell roaming for users who go from one location to another.

The traditional connectivity type is called 2G and includes the following:

  • GSM (Global System for Mobile Communications)
  • CDMA (Code Division Multiple Access)

Depending on the carrier you use and . . .

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