Features: The Intel Wireless WiFi Link 4965AGN product is an embedded 802.11a/b/g/n PCIeMini Card network adapter card that operates in both the 2.4GHz and 5.0GHz spectrum, delivering high throughput and a host of features that enhance today's mobile lifestyle. Deploying WLAN technology in your home and business increases productivity, efficiency and flexibility by enabling faster decision making, reducing down-time, and enhancing employee satisfaction. -Supports 802.11 a / b / g, and the new 802.11n Draft. -Works on both 2.4GHz and 5GHz. Up to 5x faster: -Data rates up to 300Mbps offer major improvement over today's 802.11a/g products that deliver 54Mbps. -This helps overcome network capacity issues, allowing increased simultaneous network activity for large file transfers, network backups, streaming video, multi-player gaming and more. Up to 2x greater range -MIMO, diversity and three antennae support enable better wireless reception for greater bandwidth at farther distances. -This helps reduce the number of "dead zones", dropped data packets, and network re-connects, helping to dramatically improve connectivity throughout the home and enabling more consistent coverage in the enterprise. for: for DELL LATITUDE D620 D630 D631 D820 Tips: In order to get a 150Mbps rate, it should have the dual band wireless router. Specifications: Item Type: for Intel 4965AGN Wireless Card Size: 5030mm/1.971.18in (Approx.) Model Number: 4965AGN NM1 Board Form Factor: PCIe MiniCard Bands: 2.4 GHz/5 Ghz Max Speed: 300 Mbps Wi-Fi CERTIFIED: 802.11a/g/n System Interface Type: PCIe Supported Operating Systems: for Microsoft Win2000, XP, vista, for Windows 7/8/8.1/10 32/64-bit, Linux Quantity:1PC (other accessories demo in the picture are not included) Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!! Compare the detail sizes with yours, please allow 1-4CM differs due to manual measurement, thanks! Package includes: 1 X for Intel 4965AGN Wireless Card (No retail package)