What is the wattage of an external modem?

What is the wattage of an external modem?

A DSL modem is between 3 and 10 Watts. Typically power requirements are contained by the data sheet. It may voice 5V at 1A. Multiply V and I together, Don't look at the adapter for it could say 120 VAC at 0.25A. That a short time ago means it's able of delivering 30 W. There might me an efficacy issue with the adpater and that might be 60% to 95% depending on the technology.



I looked at a USB 56K modem and it didn't require an adapter. This manner it's either (0.5 A)*5V) or (0.1 A)*5 V or smaller number depending if it needs a root hub. so any less than 2.5W or smaller quantity that 0.5W.



As you can tell, within is not enough information to answer your request for information. Modems with lots of lights consume more power.
You will necessitate to be more specific.



Model? Is it USB or A/C powered.



If you go to the manufacturer's website they will regularly have the almanac available to download or in pdf. The logical bit at the back will donate this type of detail.
Less than 50 watts