Sierra Wireless AirCard 881

In the race to deliver users with the fastest wireless Internet anywhere they go, comes the latest upgrade—HSUPA. This system doubles the speed of wireless uploads on AT&T network. In other words, your normal 400 kilobit per second upload should increase to 800 Kbps.

The first card to support HSUPA is Sierra Wireless AirCard 881. The AirCard 881 excels both in upload and downloading speeds. The AirCard 881 is a one-piece device that slides into the laptop's PC card slot with ease. It also contains a set of tiny LED lights to let users know if the AirCard 881 is in the slow (2G) or fast (3G) mode.

The AirCard 881 connects to Windows XP and Vista with AT&T's Connection Manager software. Although, Sierra's software does support Mac OS, Mac laptops made in the last two years don't come with a PC Card slot. This makes AirCard 881, incompatible for most Mac users.

The AirCard 881 comes equipped with two new technologies the HSUPA and HSDPA 7.2. HSDPA 7.2 works to enhance download speeds compared to the present HSDPA 3.6 cards. Whereas, HSUPA works towards doubling your normal 384-Kbps upload speed. These technologies put AT&T's system on the same platform for uploads as its contenders Verizon and Sprint's EV-DO Rev A. The AirCard 881 also shows potential for quicker downloads than its contenders. However, for the AirCard 881 to perform at its fullest, carriers have to upgrade their towers to HSDPA 7.2 and HSUPA.

Data Plan

Users of the AirCard 881 require a data plan. One possible plan to get with the AirCard 881 is the $ 60 per month unlimited plan – a plan similar to what Sprint and Verizon offer their high-speed wireless card users.

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With the advent of wireless Internet, more and more computer users are entering the world of cyber space.

Yet, while these users are well aware of the importance of the protection of their computer when hooked up to regular internet providers, they are often oblivious to the fact that the same cyber dangers, and in fact even more, exist in the world of WiFi.

What you may not know is that same Internet connection that makes it possible to check your email from the comfort of your bed also makes it easier for hackers to access your personal information.

It is for this reason, the sharing of the wireless Internet connection, that protecting your computer when wireless is even more important than ever before.