WHAT'S INSIDE: PHONES

Telecommunications devices, including cell phones, satellite radio or Voice over IP, connect us to one another and to the world of information at our fingertips. Learn all about the technologies we depend upon for efficient communication.
  • Cell Phones
  • Cell Phone Apps
  • Home Telephones
  • Telephone Technology
  • Wireless

FEATURED: PHONES

2G cell phone networks use three different types of technologies: FDMA, TDMA and CDMA. Learn what CDMA phones are in this article.

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