These are 2 types to choose : 1 900M BT5.3 and WIFI 6 : Dual Band 2.4G5GHz , 900Mpbs,Bluetooth 5.3 2 150M BT4.2 : 2.4G , 150Mpbs,Bluetooth 4.2 Bluetooth 5.3 and WIFI Product Introduction: The AX900BT5.3 dual band wireless USB network card is suitable for wireless connection of desktop PCs and other devices, and can provide a convenient and fast wireless internet access. The network card supports automatic detection function and can automatically adjust the speed Comply with IEEE 802.11a/ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1ax standards Wireless transmission rate: up to 286Mbps in the 2.4G frequency band; The 5G frequency band can reach up to 600Mbps Support advanced security mechanisms for WPA, WPA2, and WPA3, providing security guarantees for wireless network connections Product selling points: 1 900Mbps high-speed transmission rate 2 2.4G5.8G dual frequency concurrent 3 Drive free, plug and play 4 External 2dBi antenna for more stable signal 5 Supports WiFi6 standard IEEE802.11ax protocol 6 Compatible with mainstream operating systems in the market 7 Support WPA3 encryption format for safer internet access 8 Support MU-MIMO multi device connection to improve network efficiency 9 Supports WiFi reception and AP hotspot transmission Bluetooth 4.2 and WIFI Description Main chip: RTL8723 Transmission speed: 150Mbps Supported Devices: WIFI Support operating system : for Windows xp/7/8/8.1/10 Linux/MAC OS Bluetooth-compatible Support operating system : for Windows 7/8/8.1/10/11//LINUX Bluetooth-compatible version: V4.2 Transmission distance: 10 meters RF power: 10dBm maximum Antenna gain: 2dBi Transmission speed: 3M/S Operating current: 100mA-200mA BT+WIFI Current changes with operating mode.