Features: 1. 100% Brand new and high quality. 2. Its wireless transmission rate can reach up to 300Mbps. 3. It is a half mini PCI-E card, fit for laptops with mini PCI-E mainboard. 4. It has dual band, 2.4Ghz and 5Ghz. 5. It provides an excellent solution for your daily online activities such as transferring files, browsing the Internet, and downloading music. Specifications: Material: PCB, Metal Mode: atheros AR5B22 300M Dual-Band(2.4g/5g)+Bluetooth 4.0 Network Protocol: Support for 802.11a/b/g/n Transmission Rate: 300Mpbs Frequency Band: 2.4GHz/5GHz System: For WIN 7，WIN 8，WIN 10,etc Interface Type: mini PCI-E Size Specification:Half Height This Card Can be Used as a Killer Card. Half-Height Card Height: Approx. 2.6cm/1.02in Half-Height Card Width: Approx. 3cm/1.2in Compatible: For ASUS, for M5G Z77, for Gigabyte, for ASRock Z77 Desktop Motherboard With MINI PCI-E Specification, for DELL, for Toshiba, for ASUS and other Brand New Notebook Models Can be Used. Fitment: Suitable for laptops, desktops, all-in-ones, small cases, advertising players and other devices with the same interface Weight: Approx. 5g Package Include: 1 x Card Note: 1. Not compatible for Lenovo, for HP(whitelisting is required). 2. A high card slot computer needs to add a full-height iron plate. 3. For Acer R7-571G series uses the driver automatically recognized by the system, so there is no need to update the latest driver. .