No power cord. Works

The ARRIS Touchstone TM822G DOCSIS 3.0 8x4 Telephony Modem in black is a high-speed modem designed for home networking and connectivity. With a maximum downstream data rate of 343Mbps and a maximum LAN data rate of 1000 Mbps, this modem ensures fast and reliable internet access. Featuring Ethernet (RJ-45) ports and a compact design, it is designed to fit PCs and other devices. The modem is compatible with DOCSIS 3.0 standards and offers backwards compatibility for added convenience. With a single LAN port and unlocked carrier compatibility, this modem provides versatile and efficient connectivity for home use.