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While the first iteration of 3G and HSDPA modems relied on the PC Card form factor, recent months have seen the arrival of USB alternatives for those users whose laptops are fitted with only an Express Card slot, or in some cases (such as Apple's popular MacBooks) no card slot at all.
There's also a bonus in the speed department. Like the USB modem of competitor, Vodafone's little white wireless wonder is rated for HSDPA at 3.6Mbps rather than the 1.8Mbps of its PC Card . The trick is finding out where such speeds are available in Vodafone's admittedly patchy HSDPA network.
Manufactured by Chinese telecoms hardware giant Huawei, Vodafone's USB modem looks more like a soap-on-a-rope, or at least soap-on-a-USB-cable.
The palm-sized modem uses the USB mini-plug most commonly seen on portable USB hard drives and as the combo charge/data connector on smartphones. A 10cm cable connects the modem to the PC, although the bundle includes a more generous 80cm cable with a second USB plug for instances when a single port can't provide enough power to drive the modem.
The modem itself sports precious little in the way of frills and features. Most of the extra goodness in the Vodafone Mobile Connect package comes through the bundled software and the network's active data compression.
As detailed in our earlier review of the, this pocket-sized puck works hand-in-hand with Vodafone's network to shrink some files — mainly pictures and documents — to a fraction of their size using on-the-fly compression.
Incoming files are automatically decompressed so there's no need to fiddle with third-party software. Users can also block bandwidth-bloating elements such as video, audio, animation and Web applets.
This enhances speed and makes the most of your monthly download allocation, although it's not ideal for everyone. For example, there's no way to prevent incoming data compression, which some Web developers have reported as an issue when working on the road. (You can, however, disable compression of files sent through your VMC card.)