Features: 1.With accurate cuts, can fit your laptop perfectly, and is easy to install with screws. 2.For Intel dual frequency 6235an 6235 anhmw 04w3777 300 mbps + bt4.0 pci?e card for Lenovo ibm thinkpad. 3.Support the latest 4.0hs high-speed Bluetooth (bi-6235 module, exposed to air, no barrier material test about 100 meters) 4.Small size, easy to carry and store, convenient to use and with good performance. 5.Strict quality control and quality assurance, high safety factor, can be used with peace of mind.specification:Item Type: Wireless Network Card Model: 6235 anhmw/for intel centrino advanced-n 6235 Signal: 2.4 ghz + 5 ghz, up to 300 m Bluetooth: The latest 4.0hs high-speed Bluetooth (bi-6235 module, exposed to air, no barrier material test approx.100meter / 328.1ft) Bluetooth Function: Please install the Bluetooth driver. Some laptops also need to block the pin of the card. Compatible: For Lenovo laptops only How to Use: 1. Open the back cover of the laptop with a small screwdriver and find the wireless network card; 2. Use a screwdriver to unscrew the fixed screw, put it aside and save it; 3. Remove the old wireless network card and replace it with a new wireless network card, return to the installation according to the original disassembled route, and fix it; 4. Then boot up and install the driver automatically (the driver can be matched by the supplier according to the customer's computer model) Product List: 1 x Wireless Network Card 2 x ScrewPackageList:1 x Wireless Network Card2 x Screw