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LM822 WiFi Module with IC Antenna

Host Controller Interface (HCI) via USB Interface

USER MANUAL

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Summary of Contents for LM822

Page 1: ...oller Interface HCI via USB Interface USER MANUAL All rights reserved All trade names are registered trademarks of respective manufacturers listed This manual may not be copied in any media or form wi...

Page 2: ...Copyright LM Technologies Ltd Page 2 of 28 www lm technologies com LM822 User Manual Revision Date Changes Description v1 0 19 07 2017 First revision of this user manual...

Page 3: ...allation 5 3 MAC OS Driver Utility Installation 7 3 1 Installation Process 7 3 2 Uninstalling the MAC OSX Driver 12 4 Wireless LAN Basics 13 5 IP Address 14 6 Wireless Network Configuration 15 6 1 Uti...

Page 4: ...modulation schemes x WEP TKIP and AES WPA and WPA2 encryption schemes x Fully featured software utility for easy configuration and management 1 2 Optional Features x DC power input 3 3V or 5V x WPS o...

Page 5: ...tivate the autorun installation program after you click the exe application All module drivers for the relevant host operating can be found on our website Click here for downloadable drivers Step 1 Do...

Page 6: ...Copyright LM Technologies Ltd Page 6 of 28 www lm technologies com LM822 User Manual Installing configuring Realtek utility Installing Drivers Step 3 Click Finish to complete installation...

Page 7: ...AC OS version from LM822 product page Click here for downloadable drivers Step 2 Save the installable file on the MAC Step 3 Please ensure there are no other Realtek USB module drivers already install...

Page 8: ...age 8 of 28 www lm technologies com LM822 User Manual Step 5 Make sure the LM822 is unplugged from the USB port Unzip the driver file and start the installation Step 6 Wait for the installation to fin...

Page 9: ...822 module to the USB port The Wireless Network Utility will launch automatically and a message will appear to enable WLANcard Step 8 Open the Network Preferences and a pop up message will appear stat...

Page 10: ...ables the selected Ethernet interface and the Wireless Network Utility detects the LM822 The MAC address of the LM822 and link status is updated on the Wireless Network Utility window Step 10 Check th...

Page 11: ...echnologies com LM822 User Manual Step 12 Once the network is connected the LM822 network interface should appear as connected in the Network Preferences and on the Link Status window the signal stren...

Page 12: ...xtracted Step 2 You would need the root password to uninstall the driver Enter the password when prompted in the terminal Step 3 Once the password is provided the script will uninstall the driver Note...

Page 13: ...SS Basic Service Set PCs in this group can use their wireless LAN cards to communicate with each other but cannot connect to the Internet The main difference between Infrastructure wireless networks a...

Page 14: ...mputer on a network is identified by a unique IP address There are two methods to assign an IP address to a computer on a TCP IP network x Static IP addressing x Dynamic IP addressing DHCP Client In n...

Page 15: ...desktop an icon should appear in the Windows System Tray automatically 6 1 Utility Icon Client mode utility running but no module plugged in Client mode utility running and module connected to scan a...

Page 16: ...y and strength of the link between the node and its Access Point Link Quality is a measurement of the receiving and transmitting performances over the radio Network Address displays current MAC Addres...

Page 17: ...radio reaches Select the SSID BSSID you want to connect with Click Refresh button to rescan available networks Select one of SSIDs and click Add to Profile to create profile that can be configured wi...

Page 18: ...M822 User Manual 6 6 Status Status tab shows all wireless networking and device driver versions in details 6 7 Statistics Statistics tab shows real time TX RX relative counters to check or evaluate th...

Page 19: ...LM822 User Manual 6 8 Wi Fi Protected Setup For an easy and secure setup solution for WiFi network you can select PIN Code or Push Button methods to connect to an AP Pin method Step 1 Push the PIN but...

Page 20: ...logies Ltd Page 20 of 28 www lm technologies com LM822 User Manual Step 3 Select AP that you want to configure Step 4 Wait for configuring your wireless AP to be the security setting PBC method Step 1...

Page 21: ...LM Technologies Ltd Page 21 of 28 www lm technologies com LM822 User Manual Step 2 Push the physical button on your AP or visual button on the WPS config page Soft AP Step 1 Click Access Point to chan...

Page 22: ...Copyright LM Technologies Ltd Page 22 of 28 www lm technologies com LM822 User Manual Step 2 Click Config to set AP Step 3 Setting SSID and Security Step 4...

Page 23: ...Copyright LM Technologies Ltd Page 23 of 28 www lm technologies com LM822 User Manual Select the Ethernet controller and click Apply to bridge your Soft AP...

Page 24: ...Spread Spectrum This is the method the wireless cards use to transmit data over the frequency spectrum The other method is frequency hopping Direct sequence spreads the data over one frequency range...

Page 25: ...e card connected by cable air that share applications data and peripherals All connections are made via cable or wireless media but a LAN does not use telephone services It typically spans a single bu...

Page 26: ...ea Network products based on IEEE 802 11 specification The goal of the Wi Fi Alliance s members is to enhance the user experience through product interoperability The organization is formerly known as...

Page 27: ...ds to low fragment overhead Hence there is a trade off between spatial re use and fragment overhead Fragment threshold is the maximum packet size used for fragmentation Packets larger than the size pr...

Page 28: ...All 802 11 devices support a long preamble The short preamble is designed to improve efficiency for example for VoIP systems The difference between the two is in the Synchronization field The long pre...

Page 29: ...ith 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 har...

Page 30: ...end users end user has no manual instructions to remove or install the device only software or operating procedure shall be placed in the end user operating manual of final products Note 3 Additional...