... to 2.483GHz,Access Points,Routers and Gateway Server Applications, wireless up to 32 PC users Technical SpecificationsWireless WAN:SIM card ... Interface.HSUPA wireless Modem:Built-in HSUPA module, the functions are as follows ... -LED Indicator x 5(PWR,3G, WIFI, WAN & LAN)-SIM card slot Operating Systems SupportWindows?2000,XP,Vista, Linux 2.4 2 ...