1. This is an 802.11AC 1300Mbps 2.4GHz & 5.8GHz wireless network card. It uses the Realtek RTL8812BU chip and has a USB3.0 interface, which can make WiFi transmission more efficient and energy - saving. 2. The 11AC dual - band wireless USB network card is suitable for wireless connections of devices like laptops and desktop computers, enabling convenient and fast wireless Internet access. This network card supports automatic detection and can adjust the speed automatically. 3. It complies with IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, and IEEE 802.11ac standards. 4. Wireless transmission rate: The maximum rate in the 2.4G band can reach 400Mbps; the maximum rate in the 5G band can reach 867Mbps. It supports security mechanisms such as WPA and WPA2, as well as TKIP encryption, providing security for wireless network connections. 5. It can share WiFi freely and has practical functions. 6. Product model: 6B17 7. Product chip (chipset): Realtek 8812BU 8. Supported network speeds: 2.4GHz - 400Mbps, 5.8GHz - 867Mbps 9. Network mode (frequency): Dual - band 2.4G + 5.8G 10. Applicable systems (operating systems): Windows Vista/XP/Win7/8/10/11, Linux operating system, OS 10.9 - 10.15 11. Interface type: USB 3.0 12. Chipset: Realtek 8812BU 13. Antenna type: Two 5dBi antennas 14. Wireless standards: IEEE 802.11n, IEEE 802.11g, IEEE 802.11b 15. Frequency: 2.412 - 2.484GHz/5.15 - 5.825GHz, 5.8GHz 11ac: The dynamic maximum can reach 867Mbps 16. Reception sensitivity: 11a: The dynamic maximum in the 2.4GHz band can reach 54Mbps; 11n: The dynamic maximum can reach 400Mbps; 11g: The dynamic maximum can reach 54Mbps; 11b: The dynamic maximum can 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 17. Wireless mode: Ad - Hoc/Infrastructure mode 18. Wireless security: Supports 64/128 - bit, WPA - /WPA2 -, 802.1x 19. Modulation technology: DBPSK, DQPSK, OFDM, 16 - QAM, 64 - QAM 20. System requirements: Windows 7/8/10/11, Linux, OS 21. Working environment: Operating temperature: 0 - 40°C (32 - 104°F) 22. Storage temperature: - 40 - 70°C (- 40 - 158°F) 23. Working humidity: 10% - 90% non - condensing 24. Storage humidity: 5% - 90% non - condensing 25. Color: Black 26. Material: ABS + Iron 27. Dimensions: 8.1x6.8x3cm 28. Package contents: - One network card - One CD - One English manual 29. Only the above package contents are included, and no other products are included. 30. 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.