A. 802.11AC 1300Mbps 2.4GHz & 5.8GHz Wireless Network Card, using Realtek RTL8812BU high-performance chip, with USB3.0 interface, which may make WiFi transmission more efficient and energy-saving. B. The 11AC dual-band wireless USB network card is suitable for wireless connections of devices such as laptops and desktop computers, enabling relatively convenient and fast wireless Internet access. This network card supports automatic detection and may automatically adjust the speed. C. It complies with IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, and IEEE 802.11ac standards. D. Wireless transmission rate: The maximum rate in the 2.4G band may reach 400Mbps; the maximum rate in the 5G band may reach 867Mbps. It supports advanced security mechanisms such as WPA and WPA2, and supports TKIP encryption, which may provide security for wireless network connections. E. It can freely share WiFi and has practical functions. F. Product model: 6B17 G. Product chip (chipset): Realtek 8812BU H. Supported network speeds: 2.4GHz - 400Mbps, 5.8GHz - 867Mbps I. Network mode (frequency): Dual-band 2.4G + 5.8G J. Applicable systems (operating systems): Windows Vista/XP/Win7/8/10/11, Linux operating system, OS 10.9 - 10.15 K. Interface type: USB 3.0 L. Chipset: Realtek 8812BU M. Antenna type: Two 5dBi antennas N. Wireless standards: IEEE 802.11n, IEEE 802.11g, IEEE 802.11b O. Frequency: 2.412 - 2.484GHz/5.15 - 5.825GHz, 5.8GHz 11ac: The dynamic maximum may reach 867Mbps P. Reception sensitivity: 11a: The dynamic maximum in the 2.4GHz band may reach 54Mbps; 11n: The dynamic maximum may reach 400Mbps; 11g: The dynamic maximum may reach 54Mbps; 11b: The dynamic maximum may reach 11Mbps; 11a 6Mbps: -88dBm; 11a 54Mbps: -71dBm; 11ac HT20: -65dBm; 11ac HT40: -60dBm; 11ac HT80: -56dBm; 11b 11Mbps: -90dBm; 11g 54Mbps: -73dBm; 11n HT20: -71dBm; 11n HT40: -68dBm Q. Wireless mode: Ad - Hoc/Infrastructure mode R. Wireless security: Supports 64/128-bit, WPA - /WPA2 -, 802.1x S. Modulation technology: DBPSK, DQPSK, OFDM, 16 - QAM, 64 - QAM T. System requirements: Windows 7/8/10/11, Linux, OS U. Working environment: Operating temperature: 0 - 40°C (32 - 104°F) V. Storage temperature: -40 - 70°C (-40 - 158°F) W. Working humidity: 10% - 90% non-condensing X. Storage humidity: 5% - 90% non-condensing Y. Color: Black Z. Material: ABS + Iron AA. Dimensions: 8.1x6.8x3cm BB. Package contents: - One network card - One CD - One English manual CC. Only the above package contents are included, and no other products are included. DD. Note: Light reflection and different monitors may cause slight differences between the color of the items in the picture and the actual object. The measurement error is allowed to be +/- 1 - 3cm.