The latest version adapter to be sold from TRENDnet is version B1.1R, but the sample we were sent is B1.0R as it was sent to us over a month ago. We aren't sure what the differences between the two are, but it is just something to keep in mind.
The important wireless chips and so forth are enclosed by blue plastic casing in a design weighing only 20 grams (or 0.7 oz) - in other words, it weighs next door to nothing or probably the same as a cigarette lighter - easy enough to put in your pocket. While the lightness factor is great, durability could be a bit of a concern. Let's just say, it is not the type of device I would feel comfortable dropping on solid ground from any great distance.
There is a single activity LED that flashes orange to indicate network activity. It looks like a button at first and even second glance, but we can safely confirm that it is not. There are air vents on both sides of the adapter, which help cool things down and it does a pretty good job as the adapter really only gets warm and not what we'd consider hot.
As far as dimensions go, it comes in at 80mm long x 27mm wide x 12mm high (or 3.1 x 1 x 0.5 inches). It isn't a small adapter, being about double the width of a standard USB flash drive and only a little longer - size shouldn't cause many concerns, though. It comes with a cap to protect the USB connector that snaps on firmly and at the other end of the adapter are two holes where you could attach a lanyard.
The adapter works in USB 2.0 and 1.1 and it includes wireless support for IEEE 802.11b, 802.11g and 802.11n (draft 2.0), although there doesn't be appear to be a way to select which mode you want to use in the driver or included application. The adapter also includes MIMO technology with two built-in internal antennas that provide up to 300Mbps connection speeds and all the way down to 1Mbps with dynamic switching between data rate modes.
As far as security goes, it includes the ability to use 64 and 128-bit WEP, WPA, WPA2, WPA-PSK and WPA2-PSK as well as Ad-Hoc (Peer to Peer - b/g only) and infrastructure (AP - Client) modes. It will work in 32-bit versions of Windows 2000, XP and Vista, but not 64-bit.
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