iphone (duvidas)

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ritto

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tenho uma duvida em relacao as ligacoes wireless do iphone:o que e edge?funciona em portugal?por exemplo se colocar um cartao de dados vodafone gprs 3,5,posso obter que velocidade com o iphone?
estou um pouco indeciso com o a ligacao de net do iphone visto que tem wi-fi,mas se quiser utilizar o gprs como faço?
 
What is EDGE?
Further enhancements to GSM networks are provided by Enhanced Data rates for GSM Evolution (EDGE) technology. EDGE provides up to three times the data capacity of GPRS. Using EDGE, operators can handle three times more subscribers than GPRS; triple their data rate per subscriber, or add extra capacity to their voice communications. EDGE uses the same TDMA (Time Division Multiple Access) frame structure, logic channel and 200kHz carrier bandwidth as today's GSM networks, which allows it to be overlaid directly onto an existing GSM network. For many existing GSM/GPRS networks, EDGE is a simple software-upgrade.

EDGE allows the delivery of advanced mobile services such as the downloading of video and music clips, full multimedia messaging, high-speed colour Internet access and e-mail on the move.

Due to the very small incremental cost of including EDGE capability in GSM network deployment, virtually all new GSM infrastructure deployments are also EDGE capable and nearly all new mid- to high-level GSM devices also include EDGE radio technology. The Global mobile Suppliers Association (GSA) states that, as of April 2006, there were 139 commercial GSM/EDGE networks in 78 countries, out of a total of 192 EDGE deployments in 102 countries. The regional breakdown of commercial EDGE networks is 59 in Europe, 45 in the Americas and Caribbean, 21 in Asia, and 14 in Africa and the Middle East. The GSA notes that 212 EDGE devices are launched in the market, including 34 devices supporting both EDGE and 3GSM/W-CDMA, and 10 devices supporting EDGE and W-CDMA/HSDPA (source: www.gsacom.com).
fonte:http://www.gsmworld.com/technology/edge/index.shtml

Edit: De qualquer forma, relaxa que ainda falta muito para o iphone chegar à Europa e sabe-se lá se chegará com as mesma características que a versão dos EUA. As redes móveis Europeias são algo diferentes das dos EUA.
 
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