If you're passionate about IT and electronics , like being up to date on technology and don't miss even the slightest details, buy Wi-Fi Network Card TP-Link Archer T4E at an unbeatable price. Type: Network Card Wi-Fi Network Card Antenna Colour: Green Black Characteristics: Carrying handle Wireless LED indicator Installation guide included Connectivity: Wi-Fi Quantity: 2 Sash: 2,4 GHz - 5 GHz Certificate: RoHS Weight: 130 g Working range for humidity: 10 % - 90 % Approx. temperature: -40º / 70º Compatible: PC/Server Data transfer: 867 Mbit/s Connections: PCI Express 802.11ac - Dual Band Wi-Fi for Faster Connections TP-LINK's Archer T4E supports the advanced Wi-Fi standard of IEEE 802.11ac, offering 3 times transferring rates as IEEE 802.11n. You can send emails and browse the web with 2.4GHz network, while keeping the speedy 5GHz band free for gaming, HD streaming and other bandwidth intensive applications. Greater Coverage with Beamforming Beamforming technology smartly focuses Wi-Fi signals towards connected devices for stable connections and boosted range. Heat Sink for Ultimate Stability A heat sink helps to dissipate the thermal energy generated by the adapter, which in turn improves stability. Additionally, lower temperatures help to extend the product lifespan. External Antennas for More Targeted signal Two external antennas utilize the latest wireless technology to achieve stable connections and boosted coverage. Connectivity technology: Wireless Host interface: PCI Express Interface: WLAN PCI version: 3.0 Maximum data transfer rate: 867 Mbit/s Networking standards: IEEE 802.11a,IEEE 802.11ac,IEEE 802.11b,IEEE 802.11g,IEEE 802.11n Wi-Fi: Y Wi-Fi band: Dual-band (2.4 GHz / 5 GHz) Frequency range: 2.4 - 5 GHz Top Wi-Fi standard: Wi-Fi 5 (802.11ac) Wi-Fi standards: 802.11a,Wi-Fi 5 (802.11ac),802.11b,802.11g,Wi-Fi 4 (802.11n) WLAN data transfer rates supported: 11,54,300,867 Mbit/s Modulation: 16-QAM,64-QAM,256-QAM,CCK,DBPSK,DQPSK