Amazon's Project Kuiper, which uses optical inter-satellite link (OISL) technology to connect more than 3,000 satellites in a mesh network that blankets Earth, just cleared a final hurdle needed to launch next year.

Project Kuiper: Amazon's answer to SpaceX's Starlink passes 'crucial' test

Source: space
Source Link: https://www.space.com/project-kuiper-passes-crucial-test