... 1 WAN PORT PS-R50B+ supports GRPS/EDGE,cdma2000 EVDO Rev.A, WCDMA HSDPA/HSUPA, TD-WCDMA HSPA protocols, supports various types ... MAC filtering, Domain filtering, block DDOS attacks from LAN, remote WEB management, remote telnet.Supports Virtual Server, UPnP, Special Application, ... Guide, Certificate, Warranty Card.Dimension(mm):148(L)×100(W)×31(H)LED: PWR(power), SYS(system), WLAN(wireless LAN), WAN, ...