All brand and product names mentioned in this manual are trademarks and/or
registered trademarks of their respective holders.
Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with the limits for a Class B digit al device,
pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses, and
can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turni ng
the equipment off and on, the user is encouraged to try to correct the interference by one or
more of the following measures:
1. Reorient or relocate the receiving antenna.
2. Increase the separation between the equipment and receiver.
3. Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
4. Consult the dealer or an experienced radio technician for help.
FCC Caution
To assure continued compliance. (example-use only shielded interface cables when
connecting to computer or peripheral devices). Any changes or modifications not expressly
approved by the party responsible for compliance c ould void the us er’s authority to operate the
equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the Following two
conditions: ( 1 ) This device may not cause harmful interference, and ( 2 ) this Device must
accept any interference received, including interference that may cause undesired operation.
Federal Communication Commission (FCC) Radiation Exposure Statement
This equipment complies with FCC radiation exposure set forth for an uncontrolled
environment. In order to avoid the possibility of exceeding the FCC radio frequency
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PLANET WNL-U550 User Manual
exposure limits, human proximity to the antenna shall not be less than 20 cm (8 inches)
during normal operation.
R&TTE Compliance Statement
This equipment complies with all the requirements of DIRECTIVE 1999/5/CE OF THE
EUROPEAN PARLIAMENT AND THE COUNCIL OF 9 March 1999 on radio equipment and
telecommunication terminal Equipment and the mutual recognition of their conformity (R&TTE)
The R&TTE Directive repeals and replaces in the directive 98/13/EEC (Telecommunications
Terminal Equipment and Satellite Earth Station Equipment) As of April 8,2000.
Safety
This equipment is designed with the utmost care for the safety of those who install and use
it. However, special attention must be paid to the dangers of electric shock and static
electricity when working with electrical equipment. All guidelines of t his and of the computer
manufacture must therefore be allowed at all times to ensure the safe use of the
equipment
.
WEEE regulation
To avoid the potential effects on the environment and human health as a result of
the presence of hazardous substances in electrical an d electronic equipment, end
users of electrical and electronic equipment should underst and the meaning of the
crossed-out wheeled bin symbol. Do not dispose of WEEE as unsorted municipal
waste and have to collect such WEEE separately.
Revision
User’s Manual for PLANET Pre-N Wireless USB2.0 Adapter
Model: WNL-U550
Rev: 1.0 (January. 2007)
Part No. EM-WNLU550
WNL-U550 is a USB2.0 wireless adapter that can operate in either Ad-Hoc mode (Point to
Point/Point to Multipoint without an Access Point) or Infrastructure mode (Point to Point/Point to
Multipoint with an Access Point). Uses 2.4GHz frequ ency band; it is backward e nvironment base
on your Existing wireless network. With the latest innovative Pre-N technology integrated, the
maximum date rate of WNL-U550 is up to 300Mbps which almost three times of standard G.
Featuring smart antenna technology, the Pre-N design helps combat distortion and interference
so the Network Card can send its date streams greater distan ces, more reliably.
The WNL-U550 supports both 64/128-bit WEP (Wired Equivalent Privacy) and WPA/WPA2
(Wi-Fi Protected Access) for securing wireless network connections. The driver and utility
supports most popular operating systems: Windows 2000 Professional/XP SP2. With advanced
features and high performance capability, the WNL-U550 is an excellent choice for constructing a
wide range of wireless solutions.
1.1 Features
z 2.4GHz ISM band, unlicensed operation
z Compliant with IEEE 802.11b, IEEE 802.11g, IEEE 802.11n (draft 1.0)
z USB 2.0 A-type st andard, compatible with USB 1.1
z Pre-N provides up to 300Mbps data rate
z Support 64/128-bit WEP and W AP/WAP2 high-level security mechanisms
z Support Ad-Hoc / Infrastructure mode
z Plug-and-Play installation
z Support of most popular operating systems including Windows 2000 /XP
General Application
WNL-U550 offers a fast, reliable, cost-effective solution for wireless access to the various
network scenarios:
1. Remote access to corporate network for information
E-mail, file transfer and terminal service.
2. Difficult-to-wire environments
Historical or old buildings, public occasions, venues and open area where it is difficult
to wire.
3. Frequently changing environments
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PLANET WNL-U550 User Manual
Factories, Retailers, and Offices that frequently change locations and rearrange the
workplace
4. Temporary network access
Events, exhibitions, construction sites or some important occasions that require
temporary network access.
5. Access to database for mobile workers
Doctors, nurses, retailers, white-collar workers who need access to database while
roaming in the hospital, retail store or office.
6. SOHO (Small Office and Home Office) users
SOHO users who are in need of easy-to-install and wide coverage networking.
1.2 Specification
Interface
Standards Conformance
Data Rate
Working Mode
Security
RF Modulation
USB2.0 A-type connector
Compliant with IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
(draft 1.0)
Pre-N: Up to 300Mbps
802.1 1g: 54, 48, 36, 24, 18, 12, 9 an d 6Mbp s with auto-rate fall
back
802.11b: 11, 5.5, 2 and 1Mbps with auto-rate fall back
Media Access Protocol
Transmit Power
LED Indicators
Operating Systems
802.11n: 64QAM, 16QAM, QPSK, BPSK
2.412~2.462GHz(FCC, Canada)/11 Channels
2.412~2.4835GHz(Japan, TELEC)/14 Channels
2.412~2.472GHz(Euro ETSI)/13 Channels
CSMA / CA + ACK (Half -Du plex)
16.5dBm (max.)
LNK/ACT
Windows 2000 / XP
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PLANET WNL-U550 User Manual
Environmental & Mechanical Characteristics
Dimensions (D x W x H)
Power
Certifications
Operating Temp
Storage Temp
Management
Humidity
13 x 40 x 97 mm
5V
FCC Class B,CE
0~55 degrees C
-20~80 degrees C
Built-in utility or Windows XP Zero Configuration utility
0~90%, Non-Condensing
1.3 Package Contents
Before installation, please check the items of your package. The package should include the
following items:
1 x WNL-U550
1 x Driver and User’s manual CD
1 x Quick Installation Guide
If any of the above items is missing, contact your supplier as soon as possible.
1.4 Minimum System Requirements
Before installation, please check the following requirements with your equipment.
Pentium Based (above) IBM-compatible PC system with one vacancy USB2.0/1.1 port
CD-ROM drive
Windows 2000/XP or above
At least 10MBytes of free disk space for utility and driver installation
1.5 Installation Considerations
Beware of the walls and ceilings. Each wall or ceiling can reduce your wireless cover range form
3-90 feet. Properly position your Access Points, Residential Gateways, and computers so that
the number of walls or ceilings residing between Access Points and clients is minimized.
Building materials make a difference – A solid metal door o r alumin um studs may have a
negative effect on signal coverage range. Try to properly position Access Points and computers
with wireless adapters so that there would be less obstacles existing between them.
Keep your wireless LAN devices away from microwaves, cordless phones and child incubators.
It is likely that the latter will cause interferences to the operation of your wireless LAN devices.
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PLANET WNL-U550 User Manual
1.6 PLANET WNL-U550
The status LED indicators of the PLANET WNL-U550 are described in the following.
z Blue: Power on
z Flashing: Indicates the Adapter is transmitting or receiving data.
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PLANET WNL-U550 User Manual
Chapter 2 Installation Procedure
Before you proceed with the installation, it is necessary that you have enough information about
the Wireless USB Adapter. Follow the proce dure described below in this chapter to install the
USB adapter under Windows 2000 Professional / XP SP2.
2.1 Configuration Utility & Driver Installation
The following installation operates under Window XP. The procedure also applies to Windows
2000.
Note 1: If you had ever installed the other Wireless Cards before, please uninstall the
Note 2: Please install the configuration utility before insert WNL-U550 into the USB
existed drivers and utilities first.
port of the computer.
z Insert the bundled CD into the CD-ROM driver.
z The Wizard should run automatically. Once completed, a welcome menu screen will appear.
z Click the “WNL-U550 Utility” hyperlink in the WNL-U550 filed to initiate the installation
procedure. You will see the below InstallShield Wizard dialog box. Please select the desired
installation language on the screen and click “Next” to continue.
Note: If the welcome screen does not appear, click “Start” at the taskbar. Then, select “Run”
and type “D:\Utility\WNL-U550\setup.exe”, where “D” is your CD-ROM drive.
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