what is GSM?
The acronym GSM stands for Global System for Mobile communications. Originally developed for use in Europe, GSM now controls over 70% of the global cellular market. • How can I choose color of the phone? Despercia doesn’t guarantee the color of the phone if it’s not specified on the web site. • What accessories come along with the phone? Despercia.com guarantees only manual, battery and home charger (additional US adaptor included if needed). Any additional accessories would solely depend on the phone manufacturer only. As the manufacturer reserves the right to change the accessory content. • What if I got the wrong charger? Most of our cell phone products are purchased overseas and may come with European or Asian home chargers, U.S converter adapters will be shipped along with your order. Orders shipped international do not come with European or Asian converter adapters. Customers may need to purchase converter adapters on there own discretion.
GSM, or Global System for Mobile Communications, is a cellular phone protocol that is popular in many parts of the world, and is a chief competitor to the CDMA protocol in the United States. In fact, for those who have CDMA phones, they may find if they go to other parts of the world, such as Europe, their cellular phones will not work. The GSM mobile phone standard is more popular in more places, simply because the standard has been around longer, and was considered by many to be superior to CDMA, at least initially. In the United States, GSM operates on frequencies in the range of 1.9 GHz and 850 MHz. The 850 MHz range is also used in many other countries, such as Australia and some in South America. In Europe, GSM operates in the ranges of 900 MHz and 1.8 GHZ. The ranges are not that important to consumers, who are generally more concerned about transmission speeds and reliability. The GSM system is capable of data transmission speeds of up to 9.5 kilobits per second. This used to b