Everything 100 percent functional! No power cord included The Arris TM3402A (TM3402) is a high-speed DOCSIS 3.1 telephone modem with built-in Ethernet capabilities, designed for Optimum cable internet connections. With a maximum LAN data rate of 1000 Mbps, this modem is suitable for home networking and connectivity needs. It features wireless connectivity, one LAN port, and a sleek black design, making it a reliable and efficient option for telecommunication and internet access in residential settings.