... :StandardEE802.11n,IEEE 802.11b,IEEE 802.11gRF Frequency2.4~2.4835GHzNetwork ProtocolSupport TCP/IP, NAT, PPPoE/PPTP/L2TP, HTTP, DHCP ... .0 for 3G usb modemLEDPower,charge,3G,wifi,Wan/LanEnvoirnment Operating10%-90% non-condeensionDimension95X50X14MM Promotion MIFI150M wireless 802.11N 3G router with Usb port interface