In the United States and Canada, BlackBerry depends on either narrowband PCS 800 MHz DataTAC networks or narrowband PCS 900 MHz Mobitex networks. In the UK, BlackBerry works over GPRS networks.

BlackBerry's popularity may be attributed to its easy-to-use interface and keyboard.

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BlackBerry Home Page
Provides purchasing, support and contact information for BlackBerry.

BlackBerry Spec Page
Page provides technical specifications of BlackBerry devices and Services.