Designed for M.2 WiFi Cards with 4th Generation U.FL (Compatible with MHF4 and IPEX4): Perfect internal antenna replacement for modern laptops, tablets, and compact desktops using M.2 NGFF wireless cards. Multi-Band 2.4GHz / 5GHz / 6GHZ Performance: Improves WiFi and Bluetooth reception across bands, supporting high-speed connections for WiFi 5, WiFi 6, WiFi 6E, and WiFi 7. Optimized Cable Lengths for Internal Routing: Includes two antennas with different lengths (50cm and 65cm) to properly route through your laptop?s frame for maximum signal coverage. Copper Foil for Better Signal and Stability: Integrated copper foil enhances antenna surface area and ensures secure placement inside the device with minimal interference. Easy Internal Installation with Adhesive Backing: Quick peel-and-stick setup; ideal for upgrading or replacing damaged or weak built-in laptop WiFi antennas without external clutter.