The Zyxel P-791R v3 is a G.SHDSL gateway with high flexibility that supports either ATM mode or EFM mode to providing high-speed LAN-to-LAN connections and Internet access for small businesses or branch offices through G.SHDSL connection over copper lines. The device supports the latest SHDSL. bis technology with higher symmetric upstream and downstream data rates of up to 15.3 Mbps. The Rate Negotiating feature allows the P-791R v3 to adjust data rates automatically according to the quality of wire connections. The Quality of Service feature ensures smooth net connections for inbound and outbound data with minimal traffic congestion, while the rich Firewall security features such as SPI, DoS attack prevention and URL Content Filtering are also integrated to provide users with unparalleled access protection.