The FS1402-T60S-2 from ISOMET is a Acousto-Optic Frequency Shifter with Optical Wavelength 1550 to 1560 nm, Optical Power 15 W, Acoustic Velocity 0.775 mm/µs, RF Power <150 mW to 1.1 W, Beam Separation Angle 6.9 Degree. More details for FS1402-T60S-2 can be seen below.