AMPS uses analog technology GSM uses digital technology AMPS has poor performance for data transfer Both systems use control channels to initiate calls. AMPS uses 21 control channels while GSM uses 3. AMPS is less secure than GSM GSM has the SIM smart card which holds the user’s personal information and phone settings.
Read moreWhat are the features of 2G systems?
Some of the key features of 2G were:
Read moreWhat are the advantages of 2G?
Advantages of 2G over 1G It allows voice signals to be digitized and compressed . So, they are more efficient on frequency spectrum than 1G. They introduced data services for mobile in form of SMS text messaging. Data and voice signals are digitally encrypted.28 Eyl 2018
Read moreWhat is the disadvantage of 2G?
Drawbacks of 2G: Required strong digital signals to help mobile phones work . If there was no network coverage, digital signals weakened. Systems were unable to handle complex data like videos.6 Mar 2019
Read moreWhat is advantage and disadvantage 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 .
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