The High Power Free Space Isolator from Opneti is a Fiber Optic Isolator with Optical Power 0.3 W, 1 W, 5 W, 15 W, Isolation >30 to 45 dB, Insertion Loss <0.6 to 0.8 dB, Wavelength 1490 nm, 1550 nm, 1590 nm, 1840 nm, 1950 nm, 2000 nm, 2100 nm, 2300 nm, Operating Temperature -5 to 50 Degree C. More details for High Power Free Space Isolator can be seen below.