Wireless Security:64/128 bits , WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES)Temperature Range:Operating: -20 Celsius to 70 Celsius, Storage: -40 Celsius to 90 CelsiusHumidity:Operating: 5% to 95% (non-condensing), Storage: Max. 90% (non-condensing)Support Operating System:for Windows XP/Vista/Linux/ Win 7/Win 8 /Win81 /Win10 / OSChipset:for Realtek RTL8812Interface:USB20 Hi-Speed connectorWireless Speed:11n: Up to 300Mbps 11ac: Up to 867MbpsFrequency Range:24GHz & 58GHzWireless Transmit :20dBm(MAX EIRP)Modulation Technique:OFDM/CCK/16-QAM/64-QAMWork Mod:Ad-Hoc / InfrastructureColour:blackMaterial:ABSSize: 26 x 15 x 75mmPackage Contents:1 * Network CardOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.