TRENDnet TK-802R Bedienungsanleitung
802.11n is the emerging Wi-Fi standard intended to be ratified by the Institute of Electrical and Electronic Engineers (IEEE)
in late-2007. The majority of the standard has been agreed upon and incorporated into the recent 1.0 Draft, which
TRENDnet's products are based on. The products are designed to deliver significantly higher performance levels than is
currently possible with the existing 802.11a/b/g standards, while still maintaining compatibility with existing 802.11b/g
equipment.
Whether it is sharing files or attending Webinars for business purposes, or leisurely surfing the net to stream video and
audio, our network needs have quickly outpaced existing wireless standards. 802.11n draft is designed to improve the
streaming of high-bandwidth content over the air with added speed, coverage and quality of service support. Compatible
with existing 802.11b and 802.11g 2.4 GHz frequency network equipment, Wireless N-Draft can act as the backbone of a
new multimedia home network or can be easily added to corporate networks for increased coverage and throughput.
Why is it needed?
What is 802.11n Draft?
The faster speeds and better coverage of 802.11n draft is achieved by using multiple antennas or Multiple-Input, Multiple-
Out (MIMO) technology. By employing multiple sending and receiving antennas in routers and client adapters, data is
quickly routed and delivered through the most efficient paths. This allows the equipment to intelligently adapt to potential
interference in the environment and reach farther distances than existing legacy equipment. Deadspots are effectively
eliminated enabling users to connect anywhere throughout their home or office.
How does the N-Draft improve wireless coverage?
MIMO Antenna Technology
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Whole Home Coverage
TRENDnet Wi-Fi FAQ 1
more text is coming
802.11b 802.11a 802.11g 802.11n draft
Year Standardized 1999 1999 2003 Draft approved in 2006
Final standard to be ratified 2007
Frequency 2.4 GHz 5 GHz 2.4GHz 2.4 GHz
Wireless Speeds 11Mbps 54Mbps 54Mbps 300Mbps
Real World Speeds 4~6 Mbps 15~22Mbps 15~22Mbps At Least 100Mbps
Indoor Range 30~50 Meters 30~50 Meters 30~50 Meters 150 Meters+
Interoperable Standards 802.11g N/A 802.11b 802.11 n draft, 802.11b/g
Advantages Interoperable With 802.11g
Inexpensive
Reduced Wi-Fi Interference
More Non-Overlapping Channels
Interoperable With 802.11b
High Speed Wireless Data
Communication
Interoperable with 802.11b/g
Major Increase in
Speed and Coverage from
802.11g
Ideal Solution For Home Users Connecting To The
Internet Wirelessly
Home/Office Users Experiencing
Interference With Existing
802.11b/g Wireless Networks
Home/Office Users Needing
Faster Local Network Access For
Multimedia Applications
Home/Office users who want
better area coverage and
simultaneous access to
bandwidth intensive files
HotSpots Available Yes No Yes N/A
802.11n draft is capable of delivering up to 300mbps at the physical layer, nearly 10x times the rate of 802.11a and
802.11g at long distances. This data rate translates into actual sustained end-user throughput of more than 100 Mbps,
with peak throughput speeds between 120Mbps to 150Mbps. The increased speed is particularly important for
bandwidth-intensive multimedia applications that require enough throughput to maintain seamless data streaming, like
VoIP, HD Video and MP3's.
What kind of throughput performance can I expect?
Speed - Up to 10X the speed of 802.11g at longer distances
Range - Enhanced Coverage with multiple antenna MIMO technology
Reliability - Multi-cast streaming adapts to potential interference on the 2.4Ghz frequency
™
Multimedia - Includes Stream Engine QoS Technology by Ubicom to reduce lag and jitter for seamless
streaming of VoIP, Gaming and Music
Compatibility - Connects easily with existing 802.11b/g Access Points and client adapters
Security - Provides advanced WPA wireless encryption and a dual SPI/NAT Hardware Firewall to protect
against Internet attacks
®
Reasons to go N
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TRENDnet Wi-Fi FAQ 2
Atheros xSPAN Technology
TRENDnet's Atheros based products have been tested and have established interoperability with other 802.11n 1.0
equipment. Broadcom and Atheros hold the majority of the chipset market share in this new wireless category and have
verified through independent compatibility testing, they can achieve 100Mbps+ sustained performance. As is common in
new standards, certified interoperability testing by the Wi-Fi alliance begins as the technology hits the market. In turn, the
Wi-Fi alliance is scheduled to begin full-scale interoperability testing starting in early 2007.
802.11n draft equipment works seamlessly with existing 802.11b/g equipment thanks to Clear Channel Assessment (CCA)
technology. Although N-Draft devices use a 40 MHz channel to achieve the increased throughput performance, the router
can immediately identify when legacy equipment is connecting to the network and dynamically adjust to its peak speed.
For example, a wireless N-Draft router will support an N-Draft client at 300Mbps, while supporting connection with an
802.11g client at 54Mbps. If a Wireless N-Draft client is connecting to an 802.11b/g it will operate at the peak data speeds
of 11Mbps and 54Mbps respectively.
N-Draft : 120-150Mbps
Super G : 60Mbps
802.11g : 30Mbps
What about compatibility with other Wi-Fi equipment?
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TRENDnet Wi-Fi FAQ 3
StreamEngine Technology by Ubicom®
™
Many of the multimedia applications growing in popularity require steady, reliable bandwidth. For example, VoIP does not
require extremely high throughput levels, but it needs a constant supply of uninterrupted bandwidth to avoid jitters and
frozen or dropped calls. This is also true of video or gaming applications as well. In addition to having more available
bandwidth for these applications, TRENDnet's TEW-631BRP N-Draft router includes a communications and media
processor (CMP) chip from Ubicom that incorporates its StreamEngine™ quality-of-service technology. This allows for
reliable delivery and distribution of multimedia content across the network. Users can now prioritize traffic down to the port
level and eliminate potential jitter and lag for VoIP and gaming applications.
®
Wireless N-Draft products include support for both WEP and WPA wireless security.
WPA encryption has become a secure encryption standard across Wi-Fi equipment manufacturers and supports use of a
pre-shared key and 802.1x advanced authentication features for use on corporate networks.
What type of wireless security is supported?
What type of multimedia Quality of Service (QoS) technology is included?
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TRENDnet Wi-Fi FAQ 4
Prioritize traffic for better perfomance
TRENDnet N-Draft Products
The new multimedia router provides superior wireless speed, whole-
home coverage and traffic prioritization (Quality of Service – QoS) to
provide fast and reliable transfer of high-bandwidth traffic throughout the
home or office.
TEW-631BRP Wireless N-Draft Router
The access point helps add increased throughput and coverage to a
broad wireless network. By adding an access point to the network you
can help eliminate any potential dead spots and provide reliable
coverage wherever you roam.
TEW-630APB Wireless N-Draft Access Point
The Wireless N-Draft PC Card integrates 3 multi-path MIMO antennas to
help extend the range of the WiFi signal and adapt to potential
interference. With a more reliable Internet connection you can work or
play wherever you feel comfortable.
TEW-621PC Wireless N-Draft PC Card
The Wireless N-Draft PCI Adapter provides a faster, more reliable
connection to help bring all of your digital content into your living room.
Now you can reliably stream High Definition (HD) videos, photos, music
and games to your home entertainment center.
TEW-623PI Wireless N-Draft PCI Adapter
TRENDnet is a registered trademark. Other Brands and product names are trademarks of their respective holders.
© 2006 TRENDnet. All rights reserved.
Three 4dBi external dipole antennas
Dual Firewall Protection with NAT & SPI
QoS Traffic Acceleration and Classification
Access Point and WDS Bridge (up to 6 units)
Wireless Signal and SSID On/Off Control
Flash Memory Firmware Upgrade
Supports three internal PCB antennas
Automatic Data Rate Switching
Infrastructure Mode
1 x 5dBi and 2 x 2 dBi detachable antennas
Automatic Data Rate Switching
Infrastructure Mode
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TRENDnet Wi-Fi FAQ 5
Andere Handbücher für TK-802R
5
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