compatible mobile networks* : umts/hsdpa compatible service providers in usa* : cingular compatible umts internet pc cards* : sierra wireless aircard 860 (cingular - cardbus) sierra wireless aircard 875 (cingular - cardbus) novatel wireless merlin u730 (cingular - cardbus) standards : 802.11g , 802.11b , 802.3 , 802.3u security : 64/128-bit wep (wired equivalent privacy) wpa & wpa2 (wi-fi protected access) advanced firewall features : network address translation (nat) stateful packet inspection (spi) , vpn pass-through media access control : csma/ca with ack device management : ie v6 +; mozillar firefox v1.5 +,other java-enabled bro dimensions : item (wxdxh): 4.6 x 7.6 x 1.2 * plug in your umts or hsdpa internet pc card to share online access * works virtually anywhere umts/hsdpa cellular service is available * create a wireless network - check e-mail, go online, and share files