What are the special functions of data card and USB modem?
The 3 G mobile broadband services provided by Vodafone and T-Mobile are all realized through data card or USB modem based on HSDPA technique. If you need to go surfing on internet regularly, but you are worried about moving house or travelling a lot; if you do not like being restricted by fixed table and house, and also want to enjoy surfing on internet and enjoying pleasure of working at a pleasant place, what should you do? It is very simple. What you need to do is just buy a 3G data card or USM modem, plug it into your computer, then, you can access internet immediately , with the speed of up to 1.8 Mb. 3 G data card and USB modem can basically overcome the shortcomings of home fixed broadband and public Wi-Fi broadband, not only giving customers freedom of surfing on internet at any where and any time, but also allowing customers do what they can do by fixed broadband, such as web surfing, emailing, up or down loading, online shopping, use of VOIP, MOIP and other well-known communi