Technical support:-MIMO Scope of use:Desktop computer System support:for Windows, for Linux, and other systems Module Model:For BE200 Interface type:M.2 PCIE,USB Transmission rate:6GHz:5800mbps/5GHz:2400mbps/2.4GHz:574mbps Compatible slots:PcIE X1/X4/X8/X16 Network environment:Gigabit network Transmission power:33d Bm Due to different batches, the appearance, color, and printed words of the product , which does not affect its use. Colour:Black Material:Metal+PCB Size:70x45mm, antenna length 87mm, USB cable length 300mm Package Contents: 1 * WiFi 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.