The 1064nm Fiber Coupled Frequency shifter from CSRayzer is a Acousto-Optic Frequency Shifter with Optical Wavelength 1030 to 1080 nm, Optical Power 500 mW, Frequency Shift 35 to 300 MHz, RF Power 2.5 W. More details for 1064nm Fiber Coupled Frequency shifter can be seen below.