... all C band tunable CATV external modulation optical transmitter. The tunable range of wavelength: 1528.77~1563.86nm, the ... network ( NGB ) external modulation optical transmitter. Product features Full C-Band tunable, tunable range >35nm0.4nm interval, 89 ITU channels, ... 0.75 Return loss(dB)16 Input impedance(Ω) 75 RF connector F-Female LinkFeatureSBS restrain(dBm)13 19AdjustableTransmit channel ...