Features: Enhances your devices connectiob with the QCA9377 Wireless Networking Card,ensuring smooth internet access Offering double frequency and 802.11ac technology and a fast speed wireless connection of up to 600Mbps . This Networking card features BT4.2 and a small PCIe interfaces, for a wide ranging of systems perfectly for versatiled connection needs. For computer builders, this half height card is for users upgrades or replace their existing wireless solution in compatible devices. Perfectly for use in desktops, small PC, advertising machines, industrial control machines, learning machines,and equipment that support small PCIe interfaces, providing reliabled wireless performances. Specifications: Product Model: QCA9377 Wireless Technology: 802.11ac Wireless speed: 600Mbps Wireless: BT4.2 Product connection: mini pcie Size:about 30x26mm/1.18x1.02in Package Type: with Inside Antennae/with External Antennae/ with Bracket and External Antennae/ Package Includes: 1Set QCA9377 Wireless Card note: Due to the problems of lighting effect, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurement.