Telecom 1g2g

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Across
  1. 4. The 'G' in 1G or 2G stands for this.
  2. 5. The main purpose of 2G over 1G was this type of communication.
  3. 6. First generation mobile communication was this.
  4. 8. A 2G enhancement for faster data transmission, often called 2.5G.
Down
  1. 1. 1G networks were primarily used for this service.
  2. 2. A technology used in 2G to allow multiple users on one frequency.
  3. 3. 2G introduced better security and this for calls.
  4. 6. The 1G standard primarily used in North America.
  5. 7. A 2G network technology that uses Time Division Multiple Access.
  6. 9. A key feature introduced in 2G allowing short text messages.