Features:
This 1300Mbps 2.4GHz & 5.8GHz wireless network card uses Realtek RTL8812BU high-performance chip, USB3.0 interface, and WiFi transmission is more efficient and energy-saving.
The 802.11AC dual-band wireless USB network card is suitable for wireless connection of notebook desktop PCs and other devices, it can provide a convenient and fast wireless Internet access method. The network card supports automatic detection and can automatically adjust the speed.
Comply with IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac standards.
Wireless transmission rate: 2.4G frequency band can be up to 400Mbps.5.0G frequency band can be up to 867Mbps.It supports WPA, WPA2 advanced security mechanism, TKIP, AES, WEP encryption, can provide security for wireless network connection.

Specification:
Chipest: RTL8812BU
Wireless standard:IEEE802.11ac/a/n/g/b
Interface:USB 3.0
Antenna:External 5dBi omnidirectional dual antenna
Transmission distance:Indoor MAX: 20-30 meters (depending on the environment)
Working frequency:2.412~2484GHz/5.15~5.825GHz
Transmit power:
802.11b (CCK) 11Mbps: 18+/-1dBm
802.11g (OFDM) 54Mbps: 15+/-1dBm
802.11n(OFDM) 54Mbps: 15+/-1dBm
802.11ac (AC80) MCS9: 12+/-2dBm
EVM:
11b 11Mbps:
11g 54Mbps:
11ac MCS9:
Receive sensitivity:
802.11b: -76+/-1dBm; 802.11g: -65+/-1dBm
802.11n (HT20), -70+/-1dBm; 802.11n (HT40), -65+/-1dBm
AC80-MCS9: -55+/-1dBm
Wireless transfer rate:
11b: Max 11Mbps, 11g: Max 54Mbps, 11n: Max 400Mbps, AC: Max 867Mbps
System compatible:
Windows Vista/XP/Win7/8/10/11, Linux, MAC OS 10.9-10.15

Package:
1*USB 1300Mbps WiFi Adapter
1*Driver CD
1*User Manual