USB AX900 WiFi6 & BT Adapter Realtek RTL8851BU 2.4GHz/5.8GHz Dual Band

Wireless Features:  Wireless Standards WiFi6, IEEE802.11a/b/g/n/ac/ax  Frequency  2.4GHz & 5.8GH WiFi Speed AX900 high speed, 2.4GHz(287Mbps) 5GHz(600Mbps) Chipset RTL8851BU  Transmit Power  <20dBm(EIRP)  Wireless Modes  Ad-Hoc/Infrastructure  Wireless Security  WPA3 encryption is more secure, also support WPA-WEP/WPA-PSK/WPA2-PSK  System Requirement Windows 10(32bit, 64bit) and Windows 11(64bit) systems  Environment  Operating Temperature:0℃~40℃(32℉~104℉) Storage Temperature:-40℃~70℃(-40℉~158℉) Operating Humidity:10%~90% non-condensing Storage Humidity:5%~90% non-condensing BT Feature:  BT Version  BT 5.3  Antenna Reference  Small gain peak antenna for 0~2dBi  Working Frequency  2.4G:2.4000GHz~2.4835GHz  Channel  0~78 channel  Modulation  8DPSK,n/4 DQPSK,GFSK  Transmission Range  Within 10 meters  Transmission Speed  1Mbps basic rate 2.3Mbps post enhancement rate  Maximum Input Level  GFSK(1Mbps):-20dBm n/4-DQPSK(2Mbps) 8DPSK(3Mbps)  Environment Requirement  Working Temperature:-10℃~50℃  Storage Temperature:-20℃~50℃    Support system  Win7/Win8/Win10