User Manual
Wireless 11N Long Range USB Adapter 
 3 
1. Introduction 
The high-speed wireless USB  2.0 client adapter is the most convenient way to let 
you put a desktop/laptop 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 
802.11b, 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  and  WPA2 
security allowing you to experience the most secure wireless connectivity available. 
The  EnGenius  802.11n  USB  Adapter  (EUB9603  EXT)  11N  technology  which 
extremely improves wireless signal for your computer than existing wireless 802.11g 
technology. The incredible speed of EUB9603 EXT 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  EUB9603  EXT  to  your  Laptop  or  desktop  PC,  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. 










