Chipset:Wifi 7 QCNCM865 :This WiFi card only support Win 11 system Up to 5.8 Gbps data rate using 4K QAM modulation and 320MHz channel bandwidth (single channel or 160 +160 with High Band Simultaneous) Up to 4.3 Gbps with 4K QAM and 240MHz channel bandwidth using multiple streams of globally available 5GHz spectrum. Supports Wi-Fi 7 High Band Simultaneous Multi-Link Advanced Dual Bluetooth feature is designed to deliver concurrent audio streams for reliable long-range connections Multi-stream audio support for true wireless earbuds Hign-concerned Chemical:none Wi-Fi Supported Frequency:2.4G & 5G&6G Applicable Network Type:Gigabit Ethernet Model Number:QCNCM865 Application:Laptop mission Rate:5800M Colour:As Shown Material:plastic Antenna appearance is random, don't accept the specified appearance Due to different product batches, the appearance , which does not affect the use Package Contents: 1 * network card 1 * antenna 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.