SPECIFICATIONS This PCI-Express WiFi adapter allows the desktop computer to connect to the 2.4 GHz 300 Mbps wireless network. The 5dBi removable outdoor WiFi antennas are specially designed for domestic and office use. Features: Standard WiFi: compliant with IEEE 802.11b/g/n wireless Wireless speed: maximum data speed up to 300 Mbps with 802.11n standard. Long-range WiFi antenna: improves wireless coverage and stability. Advanced Security: WPA/WPA2 support; high-level encryption for wireless security. Operating system: supports Windows 10, the latest Microsoft operating system and more. Specification: Standard: IEEE 802.11b/g/n Interface: PCI-Express Frequency band: from 2.4 GHz to 2.484 GHz Data speed: 2.4 GHz up to 300 Mbps (dynamic) Channel bandwidth: 20MHz / 40MHz Security: support 64/128-bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/WES),WAPI Modulation: DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM antenna: 2 x 5dBi omnidirectional, removable OS support: Windows 7 / 8.1 / 10 (32 / 64bit), Linux Article size: 12 7.5 1.8cm / 4.72 2.95 0.71in(L W H) Article weight: Approx.42g / 1.48oz Package size: 16 10.8 3cm / 6.30 4.25 1.18in (L W H) Package weight: 135g / 4.76oz Package list: 1 Wireless PCI-E Adapter 2 5 dBi antenna 1 Low profile bracket 1 CD