This guide provides procedures and recommendations for placing, installing, configuring, operating, and troubleshooting your DPQ3925 8x4 DOCSIS 3.0 Wireless Residential Gateway with Embedded Digital Voice Adapter for high-speed Internet and digital telephone service for your home or office. The DPQ3925 residential gateway delivers data and wired (Ethernet) or wireless gateway capabilities to connect a variety of devices in the home or small office and support high-speed data access, all in one device. With a DPQ3925 residential gateway, your Internet enjoyment, home and business communications, and personal productivity will surely soar.