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Optical Space Infrared Downlink System (OSIRIS) is an experimental program of DLR's Institute of Communications and Navigation[1] (at Stuttgart university, Germany).
OSIRISv1 was hosted on the Flying Laptop satellite.[1] to test 200 Mbit/s.
OSIRISv2 was hosted on the BiROS satellite.[1] to test 1 Gbit/s.
ORIRISv3 was due to test 10 Gbit/s from the ISS in 2020.[1]
OSIRIS4cubesat are in development.