Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Wireless _x005f_x000D_ Transmission Rate: 433Mbps _x005f_x000D_ Kind: External _x005f_x000D_ Product Name:Wireless Network Card _x005f_x000D_ Model:5B21-D _x005f_x000D_ Product colour: black _x005f_x000D_ Product Material: ABS material + USB iron header _x005f_x000D_ Product Chip:Chipset) Realtek RTL8811CU  _x005f_x000D_ Network speed support (WiFi Speed ): 2.4GHz - 200Mpbs, 5GHz - 433Mpbs _x005f_x000D_ Network Mode (Frequency): Dual Band 2.4GHz + 5GHz Dual Band _x005f_x000D_ Applicable System(OS): for Windows XP/7/8/8.1/10/11 _x005f_x000D_ Product Size: 180*20*14mm 7.09x0.79x0.55inch _x005f_x000D_ Package size: 155*80*17mm _x005f_x000D_ Weight: 40g _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 X USB WiFi Adapter 1.11AC Standard with Wi-Fi 5 Protocol: USB WiFi adapter supports the latest 11AC standard and Wi-Fi 5 protocol, providing a significant leap in transmission speed compared to Wi-Fi 4. Connect to the 5G frequency signal and experience the high-speed performance of 5G networks. 2.Plug and Play with Built-in Driver: The 5B21-D (driver-free version) comes with a built-in driver, eliminating the need for CD downloads or driver installations. Simply plug it into a USB port on your computer, and it will automatically install. Say goodbye to complex installation processes and start enjoying high-speed internet instantly. 3.Flexible Antenna Rotation: The antenna of USB WiFi dongle supports multi-angle rotation, allowing it to adapt flexibly to different usage scenarios and computer placements. Adjusting the antenna angle can enhance signal sensitivity, fully leveraging the network card's performance and enjoying high-speed internet. 4.Enhanced Data Encryption: Wireless network card supports WPA-PSK/WPA2-PSK/WEP data encryption modes to protect personal privacy, ensuring a safer internet browsing experience. 5.MU-MIMO Technology: USB WiFi receiver utilizes MU-MIMO technology, allowing multiple devices to be served simultaneously by the router's multiple antennas. Each device receives high-priority treatment, ensuring smoother internet access for all connected devices.