... Ethernet devices.The STA-504W includes a built-in QoS engine that helps prioritize Internet traffic to ... the latest encryption including WEP, WPA, and WPA2. In addition, this device includes Dual Active Firewalls (SPI ... -rt, VBR-nrt Supports 8PVCs OAM F4/F5 Loop-back, AIS and RDI OAM cellsPPP Features PPP ... condensing Storage Humidity: 5%~90% non-condensing 3-in-1 device as DSL modem, wireless G access ...