TransferJet offers a theoretical maximum data-transfer rate of 560Mbps in the 4.48GHz band, although its real-world application will see rates closer to 375Mbps. It operates only at a distance of 3cm or less, because of its low-powered nature.
Wireless USB, on the other hand, offers a maximum rate of 480Mbps within a distance of 3m but, as it uses a variety of spectrum bands, it could theoretically suffer from greater radio interference as a result.
Sony is pushing TransferJet, which it unveiled last week at the Consumer Electronics Show in Las Vegas, as ideal for transferring data from devices like mobile phones, digital cameras and camcorders to television sets, where images or footage will be displayed simply by touching the host device to the TV. Another application suggested by Sony is downloading music over a cellular network, then transferring the content by touch from the phone to a personal music player.
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