... or 1:64 splitting ratio; 20KM at most ; ONU FD404H (4FE+2POTS+RF) is a FTTH bandwidth access ... ,VOIP and CATV) .Based on mature and stable GEPON technology, it has powerful functions with high stability ,sound ... guarantee ,comprehensive management and flexible networking construction, etc .ONU FD404H’s technology standard fully complies with ITU-T, ... RF port,1 PON port ,external power supply gepon ONU