INNOVATIVE ACTIVITY

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Across
  1. 1. __modulation technique used for mobile communication systems during world war II was?
  2. 4. HSCSD supports which 2G standard?
  3. 5. 1G or First Generation Mobile Network is _____?
Down
  1. 2. 8-PSK modulation technology is used by ?
  2. 3. UMTS use which multiple access technique?