The EW-7822ULC is an AC1200 USB adapter that can be paired with an 11ac MU-MIMO router. It upgrades your older laptop or PC to a MU-MIMO device and runs selectable dual-band Wi-Fi at speeds of up to 300 Mbps on 2.4 GHz and 867 Mbps on 5 GHz. With 802.11acEW-7822ULC, ultra-speed 802.11ac Wi-Fi runs that's nearly three times faster than 802.11n. Upgrade your laptop or PC to 802.11ac Wi-Fi so you can enjoy online video streaming and multiple data transfers at the fastest speeds. Dual-band experienceExperience better performance and greater flexibility for your laptop with dual-band connectivity. Either the 2.4 GHz or 5 GHz frequency band can be selected with top speeds of 300 Mbps and 867 Mbps respectively.11ac MU-MIMODThe latest 11ac MU-MIMO (Multi-User - Multiple Input Multiple Output) technology runs four streams and serves multiple devices simultaneously, for the fastest speeds and uninterrupted Wi-Fi connectivity to all devices. MU-MIMO for Non-Stop StreamingInstantly upgrades your older laptop or PC to the latest 11ac MU-MIMO functionality.Everyone in the room can enjoy smooth surfing, streaming, and gaming at the same time when the EW-7822UTC is paired with a MU-MIMO router.Beamforming Wi-FiThe EW-7822ULC's beamforming allows your Wi-Fi signal to be targeted to your adapter for a stronger, more reliable, and efficient Wi-Fi connection, when paired with any beamforming router. Meanwhile, beamforming generates directional Wi-Fi signals instead of standard Wi-Fi, which radiates outward. This means better sound quality and HD video streaming as you explore your digital wonderland. Small travel size for laptopsWith a lightweight nano design that can be connected to any type of laptop for more mobility and convenience. It's so small it doesn't feel like anything to carry around, and it can always be with your laptop.