Feature: 1. HIGH SPEED NETWORK CONNECTION: Mini PCIE network card supports HSPA+ technology, which can realize up to 42Mbps downlink rate and 5.76Mbps uplink rate, providing fast and stable network connection. 2. STABLE NETWORK: 4G LTE Mini PCIE network card adopts advanced LTE technology to ensure the stability and reliability of the network, providing a stable network connection at home, in the office or in mobile environments. 3. WIDE COMPATIBILITY: 4G LTE network card adopts miniPCIE interface type, which is suitable for Dell Latitude E5440 E6440 E6540 E7240 E7440 M4800 M6800 and so on, providing high speed LTE network connection for these devices. 4. EASY TO INSTALL: Network card adapter is designed with miniPCIE modules for easy installation and replacement without complicated disassembly and assembly steps. 5. SAFE AND RELIABLE: Wireless network card adapter adopts advanced network security technology to ensure reliable data transmission and protect users' privacy. Specification: Item Type: Mini PCIE Network Card Material: PCB Interface Type: MiniPCIE HSPA+ Rate: Up to 42 Mbps Downlink and 5.76 Mbps Uplink Data Rates Applicable Devices: for Dell Latitude E5440 E6440 E6540 E7240 E7440 M4800 M6800, Etc.. Package List: 1 x Network Card2 x Screws