Features: Boost your laptopconnectivity with L830-CN wireless networkcard 4Ghz modulefast internet speeds and reliable connection. This LTE communication 4Gmodule supports 7 frequencies from LTE-FDD/LTE-TDD/WCDMA, providing download speed of up to 300Mbps and uploadspeed of up to 50Mbps. Perfect for business, remote workers, and anyone who needs to stay connected the L830-CN is a must accessory for your MIIX-510-12ISK laptop. Whether you're working from home, in a coffee shop, or on a train, this wireless networkcard ensures uninterrupted internet access for all your online activities. Upgrades your laptop's connectivityand experienceseamless browsing, streaming, and downloading with L830-CN wireless networkcard 4Gmodule Specifications: Item:L830-CN Wireless NetworkCard Item:L830-CN Wireless NetworkCard Supports 4G LTE FDD frequency bands 1,3,8 and LTE TDD frequency bands 38,39,40,41 Support for 3GWCDMA: frequency bands 1.8 Working voltage: DC3.135V~4.4V, typical 3.3V Size:approx 30.0×42.0×2.3mm/1.18x1.65x0.09in Package Includes: 1PC L830-CN WIFI Card note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.