... 47~2600MHz Satellite TV & Digital TV Direct Modulated Optical Transmitter , adopt high linearity DFB laser, modulated ... P/P ratio. Technical index PerformanceIndexSupplementMin.typ.Max.Optical featureLaser typeA type Cooling DFBA1310, A1550, A15--B ... typeNon-cooling DFB with optical isolationB1310, B1550Operating Wavelength(nm)130013101320A1310, B1310153015501563A1550, B1550ITU- ...