Features: The MC8805 wireless card provides a significant internet speed, allowing for faster and more reliable connections.Significantly improved performances compared to DW5560 H4 (21Mbps) Perfect for those seeking improved browsing and downloading experiences. Crafted with durable metal materials, the MC8805 ensures long lasting performances and reliability. Its sturdy design makes it an excellent choice for users who require a dependable wireless card. Wireless 5570 HSPA+(42 Mbps) mobile broadband will be based on the Wireless MC8805 HSPA+42 module, code Cagney. Cagney is based on the QualcommMDM8215 chipset, which supports HSPA+mobile broadband and has a peakdownload rate of 42 Mbps. compatibility: Latitude E5440 Latitude E7240 Latitude E6540 E7440 M4800 m6800 and some precisise workstations Specifications: Status: Used, testedbefore shipment! HSPA+rate: downlink data rate up to 42mbps, uplinks data rate up to 5.76 Mbps quadband HSPA/WCDMA, Card independent GPSand A GPSenabledon the GPSready platform Circuit switched data carrying up to 64kbps with full diversity and balanced support for USB interfaces Suitable for Windows 7 and traditional Windows operating systemsWindows 8 Mobile Broadband Interfaces Model (MBIM) PDPcontext types (IPv4, IPv6, or IPv4). TheIP packet data protocol context supports dualIPv4 v6HSPA+, HSDPA, HSUPA, WCDMA, GPRS,GNSS services Windows 7 (32/64 bit), LinuxWindows 8 (32/64 bit) For Latitude E5440 E6440 E6540 E7240 E7440 M4800 M6800 Package Includes: 1 MC8805 Wireless 4Ghz Card note: Due to the problems of lighting effectsand shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.