Zyxel 662HW-D, ADSL Zyxel 662HW-D. DSL specification: ANSI T1.413, Issue 2; G.dmt (G.992.1); G.lite (G992.2); EOC ITUT G.992.1; ADSL2 G.dmt.bis.... Certification: FCC, CE. Antenna gain level (max): 5 dBi. Weight: 360 g. Dimensions (WxDxH): 180 x 128 x 36 mm, Security features: Stateful packet Inspection; Prevent DoS, DDoS; DMZ for public server; Keyword blocking;..., Power requirements: 12V AC