The Adtran Modem SDX 621i XGS-PON ONT is a high-quality modem/router designed by ADTRAN in the USA. This device has one LAN port and comes in a sleek black colour. It is specifically designed for optical network terminals (ONTs) and provides reliable connectivity for your home or office network. With its advanced technology and brand reputation, the Adtran Modem SDX 621i XGS-PON ONT offers a superior internet connection experience.
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