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No special power adapter is needed, because each device, is charged by it's own adapter. If laptops and desktops are connected by a wireless router, for example, the router will have it's own power adapter. However, to establish a wireless connection with a desktop , a laptop must have a wireless USB Wi-Fi adapter. This particular adapter has nothing to do with powering the device. It simply transmits signals to connect with a desktop, another laptop, PDA, cell phone, etc.

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15y ago

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