Draytek Vigor 2920 Dual-WAN Security Router Without PSU The Draytek Vigor 2920 Dual-WAN Security Router Without PSU is an ideal choice for businesses looking for a reliable and secure router. This router offers dual-WAN support, allowing businesses to connect to two separate internet connections for increased reliability and redundancy. It also features advanced security features such as SPI Firewall, Content Filtering, and VPN support, making it an excellent choice for businesses that need to protect their data and networks.