Frequency range: 2.4GHz - 5.8GHz Wireless transmission power: 20dBm (maximum EIRP) Modulation technology: OFDM//16-QAM/64-QAM Working mode: temporary/infrastructure Wireless security: 64/128-bit , WPA/WPA2, WPA /WPA2- (TKIP/) Type:Wireless Type:External Adapter socket:USB Application:Desktop Model:Network card Transmission rate:1300Mbps Interface type:USB Working frequency band:2.4G&5G Support protocol:IEEE 802.11b/g/ac Antenna:External SMA 2dBi Chipset:Realtek RTL8822BU Interface:USB3.0 high-speed interface Wireless speed:11n: up to 400Mbps, AC: up to 867Mbps Working temperature:-20℃-70℃ Storage temperature:-40℃-90℃ Operating humidity:5%-95% (non-condensing) Storage humidity:max.90% (non-condensing) Supported operating systems:for /Linux/Win 7/Win 8/Win8.1/Win10/ OS Bare metal:20 grams Colour:Black Material:ABS Size:81.5x40.5x14.5mm/3.21x1.59x0.57 inches Package Contents: 1 * Wireless network card Only the above package content, other products are not included. Note: Light reflection 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.