The ARRIS SURFboard SBG6900-AC is a high-performance AC1900 Dual-Band DOCSIS 3.0 Cable Modem WiFi Router designed for home networking and connectivity. With a maximum downstream data rate of 686 Mbps and maximum LAN data rate of 1000 Mbps, this modem supports fast and reliable internet access. The white-colored device features multiple Ethernet ports (RJ-45) and wireless connectivity with a maximum wireless data rate of 1900 Mbps.

The seal on the packaging has been opened, but it seems pretty evident that this product has never been used. Could be a good choice for those looking to stop renting devices from your cable provider.