WiFi 7 unleashes the full potential of the 6GHz frequency band, doubling the bandwidth of the previous generation.Expanding the channel width to 320MHz also enables more simultaneous transmission WPA4 is more secure and protects privacy The WPA2 encryption method used by WiFi5 devices has cracking methods such as KRACK. E2B attaches importance to privacy protection. WPA4 has a higher security factor WIFI Bluetooth Tri-band 8774M Bluetooth 5.4 Bluetooth version:BT 5.4 Interface: Mini-pcie Slot Frequency Band: 2.4Ghz,5 GHz;6Ghz Network Standard:802.11aX; 802.11ac; 802.11a/b/g; Support: 10/11-64bit Linux System Support almost laptop with Mini PCI-E interface (The product printed words depending on the batch, but this does not affect use) Color: As shown Material: PCB Package Contents: 1 * WIFI7 Card 1 * antenna (Random styles, no specified styles accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.