Archer T4E supports the advanced Wi-Fi standard of IEEE 802. 11ac, offering faster transferring rates. You can send emails and browse the web with 2. 4 GHz network, while keeping the speedy 5 GHz 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. 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 targeted signal Two external antennas utilize advanced wireless technology to achieve stable connections and boosted coverage.