User Manual
EUB9801 –300Mbps 802.11 a/b/g/n Dual Band Wireless N USB Adapter  Version 1.0 
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1  Introduction 
The high-speed wireless USB 2.0 client adapter is the most convenient way to let 
you put a desktop/notebook computer almost anywhere without the hassle of running 
network cables. Now you don’t need to suffer from drilling holes and exposed cables. 
Once you are connected, you can do anything, just like the wired network. This USB 
client  adapter  operates  seamlessly  in  2.4GHz  frequency  spectrum  supporting  the 
802.11a, 802.11b, 802.11g, and 802.11n wireless standards. It’s the best way to add 
wireless capability to your existing wired network or simply surf the web. 
To protect your wireless connectivity, the high-speed wireless USB 2.0 client adapter 
can encrypt all wireless transmissions through 64/128-bit WEP, WPA, WPA-PSK and 
WPA-AES encryption and authentication allowing you to experience the most secure 
wireless connectivity available. 
The EnGenius Dual Band USB Adapter (EUB9801) implements Draft 2.0 technology 
which extremely improves wireless signal for your computer than existing wireless 
802.11g  technology.  It  supports  the  2T2R  MIMO  architecture  with  fully  forward 
compatibility  with  IEEE802.11n.  The  incredible  speed  of  EUB9801  USB  adapter 
makes  heavy  traffic networking  activities  more flexible  and  takes the  wireless into 
practical road. You could enjoy the racing speed of wireless connection, surfing on 
Internet without string wires. 
Adding EnGenius EUB9801 to your Notebook or Computer, it provides an excellent 
performance  and  cost-effective  solution  for  doing  media-centric  activities  such  as 
streaming video, gaming, and enhances the QoS (WMM) without any reduction of 
performance. It extends 3 times network coverage and boosts 6 times transmission 
throughput than existing 11g product. Advanced power management and low power 
consumption among 11n products. 
For  more  security-sensitive  application,  EUB9801  supports  Hardware-based  IEEE 
802.11i encryption/decryption engine, including 64-bit/128-bit WEP, TKIP, and AES. 
Also, it supports Wi-Fi alliance WPA and WPA2 encryption and is Cisco CCX V1.0, 
V2.0 and V3.0 compliant. 
  Features & Benefits 
Features  Benefits 
Dual Band Support 2.4Ghz & 5Ghz  Less Interference 
Racing Speed up to 300Mbps data rate 
(2.4GHz 11N technology) 
Enjoy the Internet connection in crazy-fast 
speed, without the bottleneck of stringing 
wires. 
Advanced power management  Low power consumption 
WPA/WPA2 (IEEE 802.11i), WPA-PSK,  Powerful data security. 










