Laser bridge
Encyclopedia
A laser bridge is a network bridge that transmits data between two network segments via laser
Laser
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of photons. The term "laser" originated as an acronym for Light Amplification by Stimulated Emission of Radiation...

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It is often used as an upmarket alternative to microwave links used in Fixed wireless
Fixed wireless
Fixed wireless is the operation of wireless devices or systems used to connect two fixed locations with a radio or other wireless link, such as laser bridge. Usually, fixed wireless is part of a wireless LAN infrastructure. The purpose of a fixed wireless link is to enable data communications...

situations and can provide much higher data rates than microwave links at a cost relatively similar. They are also harder to interfere with and eavesdrop.
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