The easy way to add next-generation 802.11ac Wi-Fi to notebook and desktop PCs.

ASUS USB-AC51 is the smallest 802.11ac USB Wi-Fi adapter for you to instantly upgrade your desktop and notebook to the next generation 5G Wi-Fi with hassle-free setup. Its specially-designed internal antenna provides wireless speed up to up to 150Mbps at 2.4 GHz and 433 Mbps at 5 GHz. It supports multiple OS including Windows, Mac OS X, and Linux. The transmission quality and excellent features make USB-AC51 a great choice for simultaneous downloads, online gaming, and video streaming.

Next gen 802.11ac wireless, up to 3X faster than previous wireless N adapters.

The fastest Wi-Fi ever becomes more accessible via USB, going up to 433 Mbps on the clear 5 GHz band. Using 802.11ac wireless, faster connectivity and enjoyment come to all your devices. Compared with current 802.11n, the USB-AC51 delivers up to 433 Mbps at 5 GHz, which is 3X faster than 802.11n.
*Quoted network speeds and bandwidth based on current IEEE 802.11ac specifications. Actual performance may be affected by network and service provider factors, interface type, and other conditions. Connected devices must be 802.11ac-compatible for best results.

Selectable dual-band 433 Mbps/150Mbps bandwidth.

Dual-band operation suits mainstream and power users. The 2.4 GHz band is perfect for web browsing, email, and social networking, while the 5 GHz frequency enables smooth HD streaming and online multiplayer for blazingly fast and lag-free home entertainment.

Smallest 802.11ac Wi-Fi adapter for easy connection and instant upgrade for PCs.

The world’s most compact wireless USB adapter measures just 3cm long. It’s easy to carry and fits in pockets, yet offers strong wireless. With its USB interface, the USB-AC51 gives your desktop and notebook an instant 802.11ac Wi-Fi upgrade, with access to speeds of up to 433 Mbps.

Specification

Product
Product id	498085
Brand	AsusTek
Partnr	90IG00I0-BM0G00
EAN/UPC code	4716659513179
Warranty (months)	24 months
Wireless LAN features
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ports & interfaces
Connectivity technology	Wireless
Host interface	USB
Interface	WLAN
USB version	2.0
Network
Maximum data transfer rate	433 Mbit/s
Networking standards	IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Wi-Fi	Y
Wi-Fi band	Dual-band (2.4 GHz / 5 GHz)
Frequency range	2.4 - 5 GHz
Top Wi-Fi standard	Wi-Fi 5 (802.11ac)
WLAN data transfer rates supported	1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, 54, 150, 433 Mbit/s
Security algorithms	128-bit WEP, 64-bit WEP, 802.1x RADIUS, WPA-PSK, WPA2, WPA2-PSK, WPS
Bandwidth	5 GHz
Design
Internal	N
Product colour	Black
Antenna	Y
Antenna design	Internal
LED indicators	WAN
Power
Output voltage	5 V
Output current	0.5 A
USB powered	Y
Packaging data
Quantity	1
System requirements
Windows operating systems supported	Y
Mac operating systems supported	Y
Linux operating systems supported	Y
Weight & dimensions
Width	30.98 mm
Depth	16 mm
Height	8.64 mm
Weight	4 g
Other features
Gain	4.56 dBi
Detachable antenna(s)	N
Antennas quantity	2
AC input voltage	110-240 V
AC input frequency	50 - 60 Hz
Quick start guide	Y