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FollowingTheDao02/19/20252 repliesview on HN

But they use much more power when they are receiving data.


Replies

DrBenCarson02/19/2025

Sure. But they also use a massive amount of power when they’re out of range so constantly searching for the network

Turning off your modem is second only to turning off your screen if you’re looking to save battery

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blackguardx02/20/2025

Sending data with a radio is always much more power intensive than receiving data unless the channel is extremely asymmetric in bandwidth and/or data rate.