Intel Wireless Wifi N Card 4965agn Mm2 for Dell Latitude D620 D630 D820 D830 The Intel Wireless WiFi Link 4965AGN product is an embedded 802.11a/b/g/n PCIe* Mini Card network adapter card Operates in both the 2.4GHz and 5.0GHz spectrum, delivering high throughput and a host of features that enhance today's mobile lifestyle Data rates up to 300Mbps offer major improvement over today's 802.11a/g products that deliver 54Mbps MIMO, diversity and three antennae support enable better wireless reception for greater bandwidth at farther distances Note: This Wireless Card could not work on IBM/Lenovo/Thinkpad and HP Version Laptop