about how many milliwatts does a common usb port push, like thru a usb wifi adaptor?
A Thread Starter aac9876 Joined Dec 9, 2006 124 Apr 15, 2007 #1 about how many milliwatts does a common usb port push, like thru a usb wifi adaptor?
hgmjr Joined Jan 28, 2005 9,027 Apr 15, 2007 #2 You can find out a lot of infromation on the USB 2.0 spec at www.usb.org. It looks as though 2.5 watts is about the max. hgmjr
You can find out a lot of infromation on the USB 2.0 spec at www.usb.org. It looks as though 2.5 watts is about the max. hgmjr
N n9352527 Joined Oct 14, 2005 1,198 Apr 16, 2007 #3 100mA at 5V normally with standard descriptor. Up to 500mA max. at 5V available with successful negotiation only. So that's 0.5W and 2.5W respectively like hgmjr posted above.
100mA at 5V normally with standard descriptor. Up to 500mA max. at 5V available with successful negotiation only. So that's 0.5W and 2.5W respectively like hgmjr posted above.
A Thread Starter aac9876 Joined Dec 9, 2006 124 Apr 18, 2007 #4 if you ad a 1 watt amp to either one, would it be more powerful or not because it is already over 1 watt...??? thanks
if you ad a 1 watt amp to either one, would it be more powerful or not because it is already over 1 watt...??? thanks
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