... laser and CWDM transmitter (1,450, 1,470, and 1490nm) Optical transmit DMI Product Feature:1.25Gbps operationDFB laser and CWDM ... , 1,470, and 1490nm) Optical transmit DMI function Maximal reach 20kmWide dynamic PIN-PD receiver Rx port return loss is no less than ... .11, class I Telcordia GR-468-CORERoHS Directive-compliant SFP Module CWDM Transmitter