... 5. CE FWT-1550EH series, 1550nm Externally Modulated Optical Transmitter ,47~(860)1000MHz, CNR≥52dB, SBS: 13~19dBm ... description 1. FWT-1550EH,1550nm Externally Modulated Optical Transmitter.2. Narrow line width(Typ.=0.65MHz), low noise and ... back CNR≥52dB,CTB≤-65dB,CSO≤-65dB,47~860 or 47~1000MHz,SBS:13~19dBm adjustable.5. Equipped ... 2×12 (two outputs, ≥12dBm) oem 1550nm optical digital tv transmitter