... power supply HT8500AC(CATV wavelength)HT8500AU(ITU wavelength adjustable)Standard type CATV 1550nm Externally Modulated Optical Transmitter(47~862MHz, ... .=1MHz), low noise and continuous wave DFB laser as the light source. With 47~862MHz bandwidth, CNR ≥ 53dB, CTB ≤ -65dB, CSO ... technology, provide excellent CNR, CTB, CSO & SBS.ITU standard wavelength adjustable, the user can adjust and set the laser ...