We will ship your package to USA via EMS. And for other countries， we will also ship your package by relatively faster quick postal service.Mini 150M USB WiFi Wireless Networking Card 802.11 n/g/b LAN Adapter with AntennaNote: The wifi adapter has no retail pacakge! modes: Infrastructure and Ad-Hoc.MIMO technology makes wireless transmission rates up to 150Mbps.CCA technology enhances your signal stablility by automatically avoiding channel conflicts. Quick secure setup， complies with WPS for worry free wireless security.Wireless security encryption easily at a push Of QSS button.Supports 64/128-bit WEP， as well as WPA/WPA2 and WPA-PSK/WPA2-PSK encryptions.Supports WIN2K， XP， VISTA， WIN7， LINUX operating system.Supports wireless roaming technology for high-efficient wireless connections. Seamlessly compatible with 802.11b/g/n devices.Specifications:Chipset Ralink RT5370Wireless Standards IEEE 802.11n， IEEE 802.11g， IEEE 802.11bFrequency Band 2.4GHz ISM (Industrial Scientific Medical) BandPeak Throughtput 150MbpsChannel 1 - 14 channels (Universal Domain Selection)Data Security 16/128-bit WEP EncryptionWPA， WPA-PSK， WPA2， WPA2-PSK， TKIP/AESSupport Operating System Windows 2000， XP， Vista， Win7， Linux， MACHost Interface High speed USB2.0/1.1 InterfaceAntenna Gain 2dBiEnvironmentOperating Temperature: 0 - 40CStorage Temperature: -20 - 75COperating Humidity: 10% - 90% RH， noncondensingStorage Humidity: 5% - 95% RH， noncondensingPackage Size 14.8 * 9.8 * 1.8cmPacked Weight 36gPackage Including:1 * USB Wireless LAN Adapter1 * Software Driver1 * Antenna