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NEC Electronics Expands Wireless USB Portfolio with New Host Controller


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Nov 7, 2004
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NEC Electronics today expanded its suite of Wireless USB devices with the introduction of the µPD720171 Wireless USB host controller. Building on the company's first host controller (part number µPD720170), the new µPD720171 controller for PCI Express bus interfaces, enables high-speed, wireless data transmission between PCs that have MiniCard or Half-Minicard expansion cards and PC peripheral devices such as wireless hubs, printers, external storage equipment and digital cameras. The new host controller also provides laptop computer connectivity through an ExpressCard slot. Providing greater throughput and higher performance than previous host devices, the µPD720171 controller enables consumers to enjoy wireless lifestyles while maintaining wired USB functionality and ease of use.

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Aug 30, 2006
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Although a great concept... nearly all USB devices I use need a power supply. So we drop the USB cable to go wireless, but then need to add a power supply, e.g. keyboard, iPod, mobile phone, VoiP handset, etc.

Any device that has a PSU, IMO, is better connected on TCP/IP than wireless USB, e.g. printer, scanner, external HDD.

Nonetheless, I'm sure there are lots of applications.

I hope it wont be as buggy and security problematic as bluetooth though. PS. Always hated bluetooth. Lets hope wireless USB kills it once and for all.
Feb 16, 2005
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apart from my printer (Laserprinter with USB) none of my USB Devices need external powersupply, even my scanner runs of usb power.
It would make no sense when it comes to USB devices with no battery inside, the passive one's even if they use the usb power when they are connected

Build a wireless usb mini-pci x card with wifi ndraft on it and sell it as upgrade for older Notebook that would rock :D and a small reciver wicht converts normal usb singnal to wireless in the size of a usb plug! that would make any usb drive upgradeble (wich is Battery powered ;) )

Is it safe? like we use w-lan WPA2 and not WEP any more, is there anything with encryption?
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That is very cool. Soon we have ourselves wirelessly transfered monitors in the future if USB prevails over Firewire's return.