Internal Dell Wireless 5550 Card 3G/HSDPA without SIM include

The mobile broadband technology used on the Dell(TM) Wireless 5550 HSPA Mobile Broadband Mini-Card are High Speed Data Packet Access (HSDPA), Wideband Code-Division Multiple Access (WCDMA), Enhanced Data GSM Environment (EDGE), General Packet Radio Service (GPRS), and Global System for Mobile (GSM). Both HSDPA and WCDMA are considered third-generation (3G) technologies. EDGE uses a faster GSM technology but is still not considered a 3G technology. GPRS is an older mobile broadband service that is still the only mobile broadband service available in some areas.

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