Anonymous4 years ago000FRITZ!Box 5490 for fibre and Wingo does it need this Tp-Link TL-SM321B (transceiver)? Please helpShow in original language (German)m.matschke4 years ago000Hello! No, it no longer needs it. The 5490 has everything built in, so you can connect the fibre optic cable directly.Show in original language (German)Comment