Enhance your wireless connectivity with this high-performance USB Network Card designed to support the latest 802.11ac Wi-Fi standard while remaining fully compatible with older 802.11b/g/n devices. Featuring dual-band functionality, this adapter provides flexible frequency options of 2.4GHz at speeds up to 300Mbps and 5GHz up to 866Mbps, delivering fast and stable internet access for your home or office network. Key Features: · **802.11ac Standard Support:** Enjoy high-speed wireless connections with backward compatibility for 802.11b/g/n devices, ensuring seamless integration with a wide range of routers and access points. · **Dual Frequency Selection:** Switch between 2.4GHz (300Mbps) and 5GHz (866Mbps) bands to optimize performance and minimize interference in crowded Wi-Fi environments. · **Robust Wireless Security:** Supports multiple encryption protocols including WPA, WPA2, WEP, 802.1X, and WMM, providing strong data protection and secure network access. · **Wide Operating System Compatibility:** Compatible with Windows XP, Vista, 7, 8, 10 and OS X, as well as other major operating systems, ensuring broad usability across different devices. · **Strong Anti-Interference Ability:** Equipped with high-quality components and external 5dBi omnidirectional antennas to deliver reliable signal strength and increased transmission distance up to 100 meters indoors (depending on environment). · **One-Button WPS:** Simplifies wireless security setup with a convenient one-button Wi-Fi Protected Setup for quick and secure connections without complicated configurations. · **Optional USB Interfaces:** Available with USB 2.0 or 3.0 interfaces to suit varying speed and compatibility requirements. Specifications: · Wireless Standard: IEEE 802.11ac/a/n/g/b · Interface: USB 2.0/3.0 (optional) · Antenna: External 5dBi omnidirectional antenna · Transmission Distance: Indoor max 100 meters (environment dependent) · Operating Frequency: 2.412–2.484 GHz and 5.15–5.825 GHz (subject to country regulations) · Transmit Power:  - 802.11b (CCK) 11Mbps: 18 +/-1 dBm  - 802.11g (OFDM) 54Mbps: 15 +/-1 dBm  - 802.11n (OFDM) 54Mbps: 15 +/-1 dBm  - 802.11ac (AC80) MCS9: 12 +/-2 dBm · Receive Sensitivity:  - 802.11b: -76 +/-1 dBm  - 802.11g: -65 +/-1 dBm  - 802.11n (HT20): -70 +/-1 dBm  - 802.11n (HT40): -65 +/-1 dBm  - 802.11ac (AC80 MCS9): -55 +/-1 dBm · Wireless Transmission Rates:  - 11b: max 11 Mbps  - 11g: max 54 Mbps  - 11n: max 300 Mbps  - 11ac: max 867 Mbps · Wireless Security: WPA/WPA2/WEP/802.1X/WMM · Operating Systems: Windows XP, Vista, 7, 8, 10; OS X and others Package Includes: · 1 x Network Card · 2 x External 5dBi Antennas · 1 x USB Base · 1 x Instruction Manual This USB Network Card offers an ideal solution for upgrading your device’s wireless capabilities, providing high-speed dual-band connectivity, extensive compatibility, and enhanced security features. With its strong anti-interference design and easy setup, it ensures a reliable and efficient internet connection for streaming, gaming, and everyday browsing. Please note that product variants (new or old type) may be shipped randomly.