What is disadvantage of 1G?

1G is the first generation of wireless cellular technology. 1G supports voice only calls . 1G is analog technology, and the phones using it had poor battery life and voice quality, little security, and were prone to dropped calls. The maximum speed of 1G technology is 2.4 Kbps.

Disadvantages of a 1G network : Large phone size . Poor battery life. No security. It makes use of the mobile phone with the analog signal more difficult and this signal are suffer from interference problem.

1G refers to the first generation of wireless cellular technology (mobile telecommunications). These are the analog telecommunications standards that were introduced in the 1980s and continued until being replaced by 2G digital telecommunications .