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A comment on Ask HN: Why Radiowaves are used instead of Lasers in WISP?.

Re:Ask HN: Why Radiowaves are used instead of Lasers in WISP? by greenyoda on Wednesday January 16, 2019 @02:09AM (#18918857)
Light can't pass through walls, people or other opaque objects. So you'd need an unobstructed line of sight between the transmitter and receiver.
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