USRobotics USR4523. Shaping performance: 1000 Mbit/s. Input current: 3 A, Power consumption (typical): 8.85 W, AC input voltage: 100 - 240 V. Dimensions (WxDxH): 6.54 x 3.9 x 1.14" (166 x 99 x 29 mm), Weight: 11.3 oz (320 g), Package weight: 24 oz (680 g)
USRobotics USR5686G. Modem speed: 56 Kbit/s, Interface: RS-232. Minimum system requirements: Serial Port Phone Line Serial Cable, Compatible operating systems: Server 2011, Windows 7 64 bit, Win 7, Server 2008 64 bit, Server 2008, Vista 64 bit, Vista, Server.... Compliance certificates: CE, Federal Communications Commission (FCC), cUL, Certification: FCC IC UL CUL CE. Weight: 8.64 oz (244.9 g), Depth: 3.75" (95.2 mm), Height: 1.3" (33 mm). Cables included: Phone (RJ-11)