@woozle You right. In my private home, i have a fiber cable until my router (not just copper wires). thanks

@Ivaylo thanks. Maybe someone know the influence of using converter from Optic fiber to Ethernet? (in order to use a home router without optic fiber connection)?

@Ivaylo OK, i will check it. There is a tp-link router model that have an optic fiber connector? (to connect optic fiber without and convertor / adapter from fiber to Ethernet)?

@Ivaylo Is it can damage the quality / upload or download speed if i will use the converter from Ethernet connector to fiber cable?

I want to but this router: TP-Link AX3000 Dual Band Gigabit Wi-Fi 6 Archer AX50. This model support fiber internet connection? as i saw, there is no fiber cable input to this router, so how can i...