ModulesTransmission distance: 40Transmission method: optical fiber transmissionEmission wavelength: 1310nmTransmit power: 5Voltage input: 3.3Size: 33Unit weight: 0.025kgproduct name:Fiber optic moduleTransmission rate:1.25G/sTransmission wavelength:1310nmProduct number:RTXM191-450Transmission distance:40KMModule type:SFP thousandMega single modeTransmission medium:single mode fiberProduct interface:Dual LCinterfaceApplications:Applicable to all major brands of switches, routers, and service boards.