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Power-Line Shines at Multimedia
Homeplug AV beats competitors for HD video and coping with interference.
Becky Waring
Power-Line Shines at Multimedia
Networks based on the HomePlug Powerline Alliance's HomePlug 1.0 specification have been around since 2002. But while comparable in speed to 11-megabits-per-second Wi-Fi, these products were eclipsed by Wi-Fi's untethered glamour. Now, however, three new competing power-line technologies with theoretical top speeds of 190 to 200 mbps promise the long-distance throughput and consistency needed for smooth video streaming.
We tested shipping Netgear Powerline HD adapters ($165 a pair, $130 each), based on Spanish vendor DS2's chips; shipping Panasonic HD-PLC adapters ($200 a pair, $130 each), which use Panasonic's own chip set; and preproduction Zyxel HomePlug AV PowerLine & Coaxial adapters ($114 each), which employ the HomePlug Alliance's new HomePlug AV standard.
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