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Sierra Wireless AirCard 580 comparison

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Product name	Sierra Wireless AirCard 580	Sierra Wireless AirCard 775	Verizon Wireless USB760 modem	598U by Sierra Wireless (Sprint)	AT&T USBConnect Quicksilver
Price	Check Prices	Check Prices	$0.00	$0.00 to $191.99	$0.00
CNET editors' rating	3.5 stars Overall score: 7.0 (3.5 stars)	4.0 stars Overall score: 8.0 (4.0 stars)	3.5 stars Overall score: 7.3 (3.5 stars)	3.5 stars Overall score: 7.7 (3.5 stars)	stars Overall score: ( stars)
Average user rating	3.5 stars
Release date	November 01, 2004	November 01, 2004
The Bottom Line	Fast speeds and easy setup make the AirCard 580 the mobile PC Card of choice.	If you often work in areas with high-speed EDGE service availability, the Sierra Wireless AirCard 775 is your best bet for mobile Internet access.	The Verizon Wireless USB760 modem offers great connection speeds and coverage, and it doubles as a storage device. However, its rigid, nonswivel design makes it difficult to use in tight situations.	If you're looking for a fast, reliable, portable cellular modem, the Sierra Wireless 598U delivers and even offers GPS.
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Operating system	Microsoft Windows 98 Second Edition Microsoft Windows Me Microsoft Windows 2000 Microsoft Windows XP	Microsoft Windows 98 Second Edition Microsoft Windows NT 4.0 SP6a Microsoft Windows 2000 Microsoft Windows Me Microsoft Windows XP Microsoft Pocket PC Microsoft Pocket PC 2002 Microsoft Pocket PC 2003 Microsoft Windows CE 4.1 Microsoft Windows CE 4.2	Linux	Linux	Info unavailable
Cellular enhancement protocol	CDMA 2000 1X EV-DO	GSM EDGE GPRS	CDMA 2000 1X EV-DO	Info unavailable	GSM EDGE GPRS UMTS
Modem enclosure type	Plug-in module	Plug-in module	External	Plug-in module	External
Data transfer rate	2.4 Mbps	216 Kbps	Info unavailable	Info unavailable	Info unavailable
Full specifications	Full specifications	Full specifications	Full specifications	Full specifications	Full specifications
Buying choices	This product is sold direct from the wireless carrriers.	E-mail me when this product is available	Buy direct from Verizon Wireless $0.00 In stock: Yes Price from 1 CNET Certified store	Sprint $0.00 In stock: Yes CDW Corporation $191.99 In stock: See Site Prices from 2 CNET Certified stores	AT&T Wireless $0.00 In stock: Yes Price from 1 CNET Certified store
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