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product specifications 802.11b/g usb embedded module model number: VNT6656G6A10 vnt6656g6a40 revision 1.4 march 28, 2007 via technologies, inc. free datasheet http://www.ndatasheet.com
copyright notice: copyright ? 2007, via technologies, in corporated. all rights reserved. no part of this document may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise without the prior written permission of via technologies, incorporated. VNT6656G6A10 and vnt6656g6a40 may only be used to identify wlan products of via technologies, inc. is a registered trademark of vi a technologies, incorporated. all trademarks are the properties of their respective owners. disclaimer notice: no license is granted, implied or otherwise, under any patent or patent rights of via technologies inc. via technologies inc. makes no warranties, implied or otherwise, in regard to this document and to the products described in this document. the information provided by this document is believed to be accurate and reliable as of the publication date of this document. however, vi a technologies inc. assumes no responsibility for any errors in this document. furthermore, vi a technologies inc. assumes no responsibility for the use or misuse of the information in this document and for any patent infringements that may arise from the use of this document. the informat ion and product specifications within this document are subject to change at any time, wi thout notice and without obligation to notify any person of such change. offices: usa office: taipei office: 940 mission court 8 th floor, no. 533 fremont, ca 94539 chung-cheng road, hsin-tien usa taipei, taiwan roc tel: (510) 683-3300 tel: (886-2) 2218-5452 fax: (510) 683-3301 or (510) 687-4654 fax: (886-2) 2219-8461 web: www.viatech.com web: www.via.com.tw free datasheet http://www.ndatasheet.com
via technologies, inc. revision 1.4 ? march 28, 2007 - iii - revision history release date revision initials 1.0 2006-02-27 initial release rtw 1.1 2006-03-31 add the application no te for pin definition and layout suggestion rtw 1.2 2006-04-04 to modify the switch connection type of radio on/off rtw 1.3 2006-10-17 to add the mechanical drawing rtw 1.4 2007-03-28 to modify the mechanical hole dimension rtw free datasheet http://www.ndatasheet.com
via technologies, inc. revision 1.4 ? march 28, 2007 - iv - table of contents 1.0 scope...................................................................................................................... .......... 1 1.1 document ................................................................................................................... .... 1 1.2 product features........... ............... ............... ............... .............. ............. ............ ............ .1 2.0 requirements............................................................................................................... .... 2 2.1 functional block diagram .............................................................................................. 2 2.2 general requirements .............. ............... ............... ............... ............... ............... .......... 3 2.2.1 ieee 802.11b section .............................................................................................. 3 2.2.2 ieee 802.11g section .............................................................................................. 3 2.2.4 general section ....................................................................................................... 5 2.3 software requirements............. ............... ............... ............... ............... ............... .......... 6 2.3.1 information .............................................................................................................. .6 2.3.2 configuration............................................................................................................ 6 2.3.3 security ................ ............... ............... ............... ............... ............ ............. ............ ... 7 2.4 mechanical requirements............ ............... ............... .............. ............... ............. .......... 8 2.4.1 information .............................................................................................................. .8 2.4.2 mechanical drawing................................................................................................. 8 2.5 requirements of reliability, maintainability and q uality........... ............... ............. .......... 9 2.6 environmental requirements ....... ............... ............... ............... .............. ............. .......... 9 2.7 module pin definition and schemat ic suggestion........... ............ ............ ............. ........ 10 2.7.1 vnt6656g6a40........... ............... ............... ............... ............ ............ ............. ........ 10 2.7.2 VNT6656G6A10........... ............... ............... ............... ............ ............ ............. ........ 11 3.0 appendix ................................................................................................................... ..... 12 3.1 compliance list of antenna kits .................................................................................. 12 3.2 fcc/ce doc document .............. ............... ............... ............... .............. ............. ........ 13 free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 1 - 1.0 scope 1.0 scope 1.1 document this document is to specify the product requirements for 802.11 b/g usb embedded module(model no.: VNT6656G6A10(for 3.3v versi on); vnt6656g6a40(for 5v version)). the usb embedded module is based on via mac/bbp(vt6656) and airoha(al2230) chip solution. the VNT6656G6A10/40 product complie d with ieee 802.11b/g standard from 2.4~2.5ghz, and it can be used to provide up to 11mbps for ieee 802.11b and 54mbps for 2.4ghz ieee 802.11g to connect your wireless lan. VNT6656G6A10/40 offers absolute interoperability with different vendors? 802. 11b/g access points through the wireless lan with seamless roaming, fully in teroperability, and advanced security with wep/wpa1.0/wpa2.0 standard. 1.2 product features y compatible with ieee 802.11g standard to provide wireless 54mbps data rate y compatible with ieee 802.11b standard to provide wireless 11mbps data rate y operation at 2.4 ~ 2.5ghz frequenc y band to meet worldwide regulations y dynamic date rate scaling at 6, 9, 12 , 18, 24, 36, 48, 54mbps for ieee 802.11g y dynamic date rate scaling at 1, 2, 5.5, 11mbps for ieee 802.11b y maximum reliability, throughput and connectivit y with automatic data rate switching y supports wireless data encryption with 64/128 bit wep for security y supports infrastructure networks via access point and ad-hoc network via peer-to-peer communication y supports wpa enhanced security y friendly user configuration and utilities y drivers support windows 98se, me, 2k, and xp free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 2 - 2.0 requirements 2.0 requirements the following sections identify the deta iled requirements of the VNT6656G6A10/40 2.1 functional block diagram fig. 2.1.1 pc usb 1.1/2.0 802.11b/g radio transceiver al2230 802.11b/g mac/bbp vt6656 led status radio on/off free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 3 - 2.0 requirements 2.2 general requirements 2.2.1 ieee 802.11b section item feature detailed description 2.2.1.1 standard y ieee 802.11b 2.2.1.2 radio and modulation schemes y dqpsk, dbpsk, dsss, and cck 2.2.1.3 operating frequency y 2400 ~ 2483.5mhz ism band 2.2.1.4 channel numbers y 11 channels for united states 13 channels for europe/japan countries 2.2.1.5 data rate y 11, 5.5, 2, and 1mbps 2.2.1.6 media access protocol y csma/ca with ack 2.2.1.7 transmitter output power y typical 16dbm at 11, 5.5, 2, and 1mbps at room temperature 25 degree c 2.2.1.8 receiver sensitivity y typical ?80dbm for 11mbps @ 8% per 2.2.1.9 throughput y at least 5.1mbps@ 11mbps link rate, ideal environment 2.2.2 ieee 802.11g section item feature detailed description 2.2.2.1 standard y ieee 802.11g 2.2.2.2 radio and modulation type y bpsk, qpsk, 16qam, 64qam, ofdm 2.2.2.3 operating frequency y 2400 ~ 2483.5mhz ism band 2.2.2.4 channel numbers y 11 channels for united states 13 channels for europe/japan countries 2.2.2.5 data rate y 6, 9, 12, 18, 24, 36, 48, 54mbps 2.2.2.6 media access protocol y csma/ca with ack 2.2.2.7 transmitter output power y typical rf output power at each data rate and at room temp. 25degree c y 15dbm at 54mbps free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 4 - 2.0 requirements item feature detailed description 2.2.2.8 receiver sensitivity y typical sensitivity at which frame (1000-byte pdus) error rate = 10% y ?68dbm at 54mbps 2.2.2.9 throughput y at least 16mbps@ 54mbps link rate, ideal environment free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 5 - 2.0 requirements 2.2.4 general section item feature detailed description 2.2.4.1 antenna connector type y two(2) coaxial cable antenna connectors 2.2.4.2 operating voltage y 3.3 vdc +/- 10%(VNT6656G6A10) y 5 vdc +/- 10%(vnt6656g6a40) 2.2.4.3 power consumption y 382 ma @ tx mode/high speed y 305 ma @ rx mode/high speed 2.2.4.4 form factor and interface y usb 1.1/2.0 interface free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 6 - 2.0 requirements 2.3 software requirements the configuration software supports microsoft windows 98se, me, 2000, and xp. this configuration software includes the following functions: y information information allows you to monitor network status. y configuration configuration allows you to configure parameters for wireless networking. y security supports enhanced security wep, wpa1.0/2.0. 2.3.1 information item feature detailed description 2.3.1.1 general information y general information shows the name of wireless adapter, adapter mac address, regulatory domain, firmware version, and utility version. 2.3.1.2 current link information y current link information shows the current setting essid, channel number, associated bssid, network type (inf rastructure or ad-hoc network), wep status (enable or disable), link status (connect or dis-connect), 802.11g transmit speed (6, 9, 12, 18, 24, 36, 48, 54mbps), 802.11b transmit speed (1, 2, 5.5, 11mbps), signal strength, and link quality. 2.3.1.3 site survey y to search the neighboring access points and display the information of all access points. 2.3.2 configuration item feature detailed description 2.3.2.1 ess id y input an ssid number if the roaming feature is enabled y supports for ascii printable characters. 2.3.2.2 network type y ad-hoc mode and 802.11 ad-hoc mode for network configurations that do not have any access points y infrastructure mode for network configurations with access points 2.3.2.3 power save y extend the battery life of clients by allowing the client to sleep for short periods of time while the access point buffers the messages 2.3.2.4 rts threshold y set the number of bytes used for fragmentation boundary for messages 2.3.2.5 fragment threshold y set the number of bytes used for rts/cts boundary free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 7 - 2.0 requirements item feature detailed description 2.3.2.6 roaming y support automatic or manual rescan to associate with access point. 2.3.3 security item feature detailed description 2.3.3.1 encryption y rc4 encryption algorithm y support 64/128 bit wep encryption y support open system and shared key authentication 2.3.3.2 wep management y four wep keys can be selected y sta with wep off will never associate any ap with wep enabled y wep key format: option for hex/ascii format 2.3.3.3 802.1x y support eap-tls,eap-ttls,eap-peap and leap 2.3.3.4 wpa y support wpa-psk and wpa-eap y support cipher mode tkip free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 8 - 2.0 requirements 2.4 mechanical requirements 2.4.1 information item feature detailed description 2.4.1 length y 60mm 2.4.2 width y 25mm 2.4.3 height y 5.52mm 2.4.2 mechanical drawing module dimension: free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 9 - 2.0 requirements 2.5 requirements of reliability , maintainability and quality item feature detailed description 2.5.1 mtbf y mean time between failure > 30,000 hours 2.5.2 maintainability y there is no scheduled preventive maintenance required 2.5.3 quality y the product quality is followed-up by via factory quality control system 2.6 environmental requirements item feature detailed description 2.6.1 operating temperature conditions y the product is capable of continuous reliable operation when operating in ambient temperature of 0 to +55 . 2.6.2 non-operating temperature conditions y neither subassemblies is damaged nor the operational performance is degraded when restored to the operating temperature after exposing to storage temperature in the range of ?20 to +75 . 2.6.3 operating humidity conditions y the product is capable of continuous reliable operation when subjected to relative humidity in the range of 10% and 90% non-condensing. 2.6.4 non-operating humidity conditions y the product is not damaged nor the performance is degraded after exposure to relative humidity ranging from 5% to 95% non- condensing free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 10 - 2.0 requirements 2.7 module pin definition and schematic suggestion 2.7.1 vnt6656g6a40 fig. 2.7.1 5v pin #2 pin #3 d- d+ 470 ohm pin #5 gnd pin #4 usb d- usb d+ radio on/off led_wlan# vdd gnd gnd gnd pin #6 cn1 platform pin #1 switch free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 11 - 2.0 requirements 2.7.2 VNT6656G6A10 pin #1 3.3v pin #2 pin #3 d- d+ pin #5 gnd pin #4 usb d- usb d+ radio on/off 1.8vd vdd gnd gnd pin #6 1.8v cn2 platform switch fig. 2.7.2 note: 1. pin#1 is defined the pin which is near the pcb border, and the shape of this soldering pad is rectangular. free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 12 - 3.0 appendix 3.0 appendix 3.1 compliance list of antenna kits no. brand name model no. gain (dbi) antenna type antenna connector 1 high-tek t700(pen) 0.05dbi pifa i-pex 2 aristotle pcb013 1dbi pcb i-pex 3 aristotle c2h series 2.5dbi monopole i-pex 4 own design mn003 1.29dbi pcb i-pex free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 13 - 3.0 appendix 3.2 fcc/ce doc document free datasheet http://www.ndatasheet.com
revision 1. ? march 28, 2007 - 14 - 3.0 appendix free datasheet http://www.ndatasheet.com

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