Phones Windows Phone 7 hit stores with a few cuts , such as lack of support for networks CDMA. It was a considered decision to meet its goal of providing a quality platform that can compete with iPhone 4.
There is a longer absence , such as function to copy and paste which will not be available in version 1.0 of WP7. "Not even Microsoft has enough resources. We must give priority to less to make them very, very well, " said with humor Greg Sullivan , product manager senior of Windows Phone 7 .
More important for the start of the platform will be absent in the telephone operators who only work with networks CDMA. Especially for the huge U.S. market. Two of the major companies in the country Verizon and Spring not sell , therefore, ' smartpohones 'with Windows Phone 7 this year.
This decision is based on the distribution of market global and sacrifices States the United since WP7 will have an international release this year 2010, expected the day October 11. "The vast majority of phones world market are GSM, So first we focused on the GSM and then plan an upgrade to bring a good support for CDMA in the first half of 2011, "said Microsoft.
Differences between GSM and network CDMA
There are many differences between service GSM and CDMA from your property until the data rate . While the former is created and issued by an international association, the second is owned by U.S. company Qualcomm. Their networks have the privilege of being slightly faster, Although each group says that theirs is the best network .
Another basic difference is that, generally , phones CDMA do not use card SIM. Are linked to an operator and an online forever. However, with GSM, all personal information is on the card SIM and is to release a phone to switch carriers . This peculiarity causes phones CDMA no card not be used in countries with networks GSMBut reversed almost always works for the extension of this network. Where both are available , choosing one or another is very important for the coverage offered.
in Europe networks CDMA have had no impact. The technology invented by Qualcomm , however , it has been well received in America. States United and Canada are its main backers , but also has a large number of customers Venezuela and with less impact in other countries as Mexico , Ecuador and the Dominican Republic.
