The most obvious advantage of GSM is its widespread use throughout the world. According to Gsmworld.com, GSM has a harmonized spectrum, which means that even though different countries may operate on different frequency bands, users can transfer seamlessly between networks and keep the same number. As a result, GSM users essentially have coverage in over 218 countries.
Greater Phone Variety
Another advantage of GSM is that because it is used throughout the world, there is a greater variety of phones that operate on GSM. Therefore, consumers have more flexibility in choosing a handset that fits their specific desires, and they are not limited to purchasing phones only made in their respective country.
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No Roaming Charges on International Calls
Because GSM is the same network worldwide, users are not charged a roaming fee for international calls. However, most providers still charge a service fee on international calls.
Bandwidth Lag
Perhaps the greatest disadvantage of GSM is that multiple users share the same bandwidth. With enough users, the transmission can encounter interference. Therefore, faster technologies, such as 3G, have been developed on different types of networks than GSM, such as CDMA, in order to avoid such bandwidth limitations.
Causes Electronic Interference
Another disadvantage of GSM is that is can interfere with certain electronics, such as pace makers and hearing aids, according to Inc.Technology. com. Such interference is due to the fact that GSM uses a pulse-transmission technology. As a result, many locations such as hospitals and airplanes require cell phones to be turned off.
Read more: http://www.ehow.com/list_6322410_advantages-disadvantages-gsm.html#ixzz2fcfmYnRV
Links: Download CMS for ASP.NET 250+ Functionalities, 30+ Modules, Flexible, Extensible & Supported. Kentico.com/Download No Roaming Charges on International Calls Because GSM is the same network worldwide, users are not charged a roaming fee for international calls. However, most providers still charge a service fee on international calls. Bandwidth Lag Perhaps the greatest disadvantage of GSM is that multiple users share the same bandwidth. With enough users, the transmission can encounter interference. Therefore, faster technologies, such as 3G, have been developed on different types of networks than GSM, such as CDMA, in order to avoid such bandwidth limitations. Causes Electronic Interference Another disadvantage of GSM is that is can interfere with certain electronics, such as pace makers and hearing aids, according to Inc.Technology. com. Such interference is due to the fact that GSM uses a pulse-transmission technology. As a result, many locations such as hospitals and airplanes require cell phones to be turned off. Read more: http://www.ehow.com/list_6322410_advantages-disadvantages-gsm.html#ixzz2fcfmYnRV
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