What are the advantages and disadvantages of 1G?

It makes use of the mobile phone with the analog signal more difficult and this signal are suffer from interference problem . Limited capacity . Poor hand-off reliability . Very slow speed .

Advantages of 2G over 1G

1G stands for first generation and 2G stands for second generation are the 2 generations of mobile phones. 1G is that the 1st generation of mobile phones that brought 1st wireless communication to United States.