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10 

JI5-QCA8990DB5 User Manual 

Wireless LAN Modes   

Wireless LANs can be configured in one of two ways: 

1.

 

Infrasture Networking 

Infrastructure networking differs from ad-hoc networking in that it includes an access point. 
Unlike the ad-hoc structure where users on the LAN contend the shared bandwidth, on an 
infrastructure network the access point can manage the bandwidth to maximize bandwidth 
utilization. 

Additionally, the access point enables users on a wireless LAN to access an existing wired 
network, allowing wireless users to take advantage of the wired networks resources, such as 
Internet, email, file transfer, and printer sharing. 

Infrastructure networking has the following advantages over ad-hoc networking: 

 

Extended range:  each wireless LAN computer within the range of the access point can 

communicate with other wireless LAN computers within range of the access point. 

 

Roaming: the access point enables a wireless LAN computer to move through a building 

and still be connected to the LAN. 

 

Wired to wireless LAN  connectivity: the access point bridges the gap between wireless 

LANs and their wired counterparts. 

 

 

 

 

 

 

Notes on Wireless  LAN Configuration 

When configuring a wireless LAN (WLAN), be sure to note the following points: 

 

Optimize the performance of the WLAN by ensuring that the distance between 
access points is not too far. In most buildings, WLAN Adapters operate within a 
range of 100 ~ 300 feet, depending on the thickness and structure of the walls. 

 

Radio waves can pass through walls and glass but not metal. If there is 
interference in transmitting through a wall, it may be that the wall has reinforcing 
metal in its structure. Install another access point to circumvent this problem. 

Summary of Contents for SMC-QCA9880DB5

Page 1: ...SMC QCA9880DB5 User Manual 802 11 a n ac Wireless Mini PCIE ...

Page 2: ... patent or patent rights of SMC SMC reserves the right to change specifications at any time without notice No part of this publication may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording or stored in a database or retrieval system for any purpose without the express written permission of SMC Microsoft and Windows are registered...

Page 3: ... to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult ...

Page 4: ...his certified RF module is integrated Additional testing and certification may be necessary when multiple modules are used USERS MANUAL OF THE END PRODUCT In the users manual of the end product the end user has to be informed to keep at least 20cm separation with the antenna while this end product is installed and operated The end user has to be informed that the FCC radio frequency exposure guide...

Page 5: ...le on the label This device complies with Part 15 of 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 注意 依據 低功率電波輻射性電機管理辦法 第十二條 經型式認證合格之低功率射頻電機 非經許可 公司 商號或使用 者均不得擅自 變更頻率 加大功率或變更原設計之特性及功能 第十四條 低功率射頻電機之使用不得影響飛航安全及干擾合法通信 經發現 有...

Page 6: ...vi SMCD3GNV5 Administrator Manual Contents Compliance iii Contents vi About this Manual 7 1 Introduction 8 Features 8 What is Wireless LAN 9 Wireless LAN Modes 10 Notes on Wireless LAN Configuration 10 ...

Page 7: ...ut this Manual This User s Manual describes how to install and operate your 802 11a n ac Wireless LAN Module Please read this manual before you install the product This manual includes the following topics Product description and features ...

Page 8: ...y Router products Features Embedded to any AP with Mini PCI type B slot IEEE 802 11 a n ac compatible Backward compatible with IEEE 802 11a n standard Wire free access to networked resources from anywhere beyond the desktop Delivers data rate up to 1 3Gbps Support 20 40 80MHz Channel and 256 QAM to maximize bandwidth effiency Uses 5GHz frequency band which complies with worldwide requirement Ensur...

Page 9: ...trators can configure and augment networks without installing or moving network cables WLAN technology provides users with many convenient and cost saving features Mobility WLAN provide LAN users with access to real time information anywhere in their organization providing service opportunities that are impossible with wired networks Ease of Installation Installing is easy for novice and expert us...

Page 10: ...AN computer within the range of the access point can communicate with other wireless LAN computers within range of the access point Roaming the access point enables a wireless LAN computer to move through a building and still be connected to the LAN Wired to wireless LAN connectivity the access point bridges the gap between wireless LANs and their wired counterparts Notes on Wireless LAN Configura...

Page 11: ...11 SMCD3GNV5 Administrator Manual Floors usually have metal girders and metal reinforcing struts that interfere with WLAN transmission ...

Page 12: ...12 SMCD3GNV5 Administrator Manual 20 Mason Irvine CA 92618 U S A http na smc com Document number JI5 QCA8990DB5 ...

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