... 4. OEM 5. CE FWT-1550EH series, 1550nm Externally Modulated Optical Transmitter ,47~(860)1000MHz, CNR≥52dB, SBS: 13~19dBm adj ... )x(H) Product description 1. FWT-1550EH,1550nm Externally Modulated Optical Transmitter.2. Narrow line width(Typ.=0.65MHz), low noise ... ) FWT-1550EH -2×11 (two outputs, ≥11dBm) FWT-1550EH -2×12 (two outputs, ≥12dBm) 1550nm 2X9dBm Externally Modulated optic transmitter SBS ...