... Radio & Television NetworksFull C-band wavelength tunable (tuning range>35nm)Product descriptionGuangtai NGB8527 all C band tunable CATV external modulation ... a completely new concept and application ranges. Product featuresFull C-Band tunable, tunable range >35nm0.4nm interval, 89 ITU ... NF4.5~5.5dB), 65kmfiber, 0dBm receiving. Full C-band External Modulated 1550nm Fiber Optical Transmitter NGB8527