... 2600MHz Satellite TV & Digital TV Direct Modulated Optical Transmitter Atech ARF26111T series, adopts high linearity with ... 1310nm and 1550nm. Technical indexPerformanceIndexSupplementMin.typ.Max.Optical featureLaser typeA type Cooling DFBA1310, A1550, A15 ... --B typeNon-cooling DFB with optical isolationB1310, B1550Operating Wavelength(nm)130013101320A1310, B1310153015501563A1550, B1550 ...