Chapter 1: Introduction; Features - Planet WNL-U553 User Manual

Chapter 1: Introduction

Complying with the most innovative 802.11n technology, PLANET delivers a reliable and cost
effective solution - WNL-U553. WNL-U553 is a USB2.0 wireless adapter which integrates one
transmit channel and two concurrent receive channels; thus, it supports up to 150Mbps upload
and 300Mbps download data rate. Using 2.4GHz frequency band; it is backward compatible
with 802.11b and 802.11g for users to create a new wireless environment based on existing
wireless network.
The WNL-U553 provides a feature rich wireless connectivity. It supports WMM to maintain
stable multimedia quality by granting high priority for such packets. For security, the
WNL-U553 supports the most advanced mechanism, WPA2, to protect the information
exchange through wireless. Moreover, in order to simplify the security configurations, WPS
(Wi-Fi Protected Setup) is enhanced in WNL-U553. This design helps inexperienced users to
secure their wireless network quickly and easily. All these mentioned features are already
certified by Wi-Fi Alliance, which proves the interoperability and secureness of WNL-U553.
The WNL-U553 supports most popular operating systems, Windows 2000 / XP / Vista. With
advanced features and high speed capability, the WNL-U553 gives users the greatest
performance anytime anywhere.

1-1 Features

2.4GHz ISM band, unlicensed operation
Compliant with IEEE 802.11b, IEEE 802.11g, IEEE 802.11n (draft 2.0)
USB 2.0 attached interface
Antenna: Internal two Antennas with one TX and two RX
Provides up to 300Mbps download and 150Mbps upload data rate
Supports Wi-Fi Protected Setup (WPS)
Supports WEP , WPA, WPA2 high-level security mechanisms
Supports WMM (WiFi Multi-Media) function to meet the multi-media data bandwidth
requirement. (the connected AP and the application must support WMM as well)
Supports Software AP mode
QoS function: Control the bandwidth required for different applications
Supports most popular operating systems including Windows 2000 , XP , 2003 server
and Vista