Simplecom NW621 AC1200

abgn+ac (AC1200)
Platform
Brand • Model • Rev	Simplecom NW621
Interface	USB 3.0
Connector	Male A
Form factor	dongle (w/ large antenna)
ID:0bda:b812 Windows: USB\VID_0BDA&PID_B812
FCCID	none specified
Chip1	Realtek RTL8812BU
OUI: none specified
MIMO status	2x2:2
Wireless Standards	IEEE 802.11a/b/g/n/ac
802.11ac	up to 867 Mbps
802.11n	up to 300/300 Mbps
802.11g	up to 54 Mbps
802.11b	up to 11 Mbps
802.11a	up to 54 Mbps
Operating Frequency	2.4 or 5 GHz
Other
Flags: MU-MIMO
Probable Linux driver https://github.com/MeissnerEffect/rtl8822bu (see also passys)
Windows driver see Realtek's website
Retail
(Est.) release date	2017
Country of manuf	China

For a list of all currently documented Realtek chipsets with specifications, see Realtek.

• 867 Mbps - 2SS 5GHz 802.11ac (80MHz chan.),

• 300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = AC1200 class