Multiple choice general knowledge science & technology

What was CDMA technology's origin ?

  1. USA

  2. Russia

  3. Australia

  4. Germany

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

CDMA (Code Division Multiple Access) technology was developed in the United States by Qualcomm and other researchers in the late 1980s and early 1990s. It became a key part of American telecommunications standards, particularly for 2G and 3G mobile networks. Russia, Australia, and Germany used GSM as their primary early digital mobile technology.