Q87-M20Wireless-N gigabit Router

USER GUIDE Wireless-N Gigabit Router Model: WRT310N M20 About This Guide i Wireless-N Gigabit Router About This Guide Icon Descriptions While reading through the User Guide you may see various icons that call attention to specific items. Below is a description of these icons: NOTE: This check mark indicates that there is a note of interest and is something that you should pay special attention to while using the product. WARNING: This exclamation point indicates that there is a caution or warning and it is something that could damage your property or product. WEB: This globe icon indicates a noteworthy website address or e-mail address. Online Resources Website addresses in this document are listed without http:// in front of the address because most current web browsers do not require it. If you use an older web browser, you may have to add http:// in front of the web address. ResourceWebsite Linksyswww.linksys.com Linksys International www.linksys.com/international Glossarywww.linksys.com/glossary Network Securitywww.linksys.com/security Copyright and Trademarks Linksys is a registered trademark or trademark of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2008 Cisco Systems, Inc. All rights reserved. Other brands and product names are trademarks or registered trademarks of their respective holders. Table of Contents ii Wireless-N Gigabit Router Chapter 1: Product Overview 4 Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Back Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Placement Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Chapter 2: Wireless Security Checklist 6 General Network Security Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Additional Security Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Chapter 3: Advanced Configuration 7 Setup > Basic Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Setup > DDNS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Setup > MAC Address Clone. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Setup > Advanced Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Wireless > Basic Wireless Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 Wireless > Wireless Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Wireless > Wireless MAC Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 Wireless > Advanced Wireless Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 Security > Firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 Security > VPN Passthrough . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Access Restrictions > Internet Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Applications and Gaming > Single Port Forwarding. . . . . . . . . . . . . . . . . . . . . . . .21 Applications and Gaming > Port Range Forwarding . . . . . . . . . . . . . . . . . . . . . . .21 Applications & Gaming > Port Range Triggering . . . . . . . . . . . . . . . . . . . . . . . . . .22 Applications and Gaming > DMZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Applications and Gaming > QoS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Administration > Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 Administration > Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Administration > Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Administration > Factory Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 Administration > Firmware Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 Status > Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 Status > Local Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 Status > Wireless Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 Appendix A: Troubleshooting 30 Appendix B: Specifications 31 Appendix C: Warranty Information 32 Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 Exclusions and Limitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 Obtaining Warranty Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 Table of Contents iii Wireless-N Gigabit Router Appendix D: Regulatory Information 34 FCC Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 FCC Radiation Exposure Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 Safety Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 Industry Canada Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 Avis d’Industrie Canada. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 Wireless Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 Avis de non-responsabilité concernant les appareils sans fil . . . . . . . . . . . . . . . . . .35 User Information…

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Page 1 CONSTRUCTION PHOTOS OF EUT

(Fig. 1) FCC ID: Q87-M20 FCC LABEL LOCATION The label will be permanently affixed at a conspicuous location on the device. Label

Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Adapter: EA0061WAA Page 8 Page 9 Adapter: MU12-G120100-A1 Page 10

FCC CFR47 PART 15 SUBPART C INDUSTRY CANADA RSS-210 ISSUE 7 CERTIFICATIONTEST REPORT FOR WIRELESS-N GIGABIT ROUTER MODEL NUMBER: M20 FCC ID: Q87-M20 IC: 3839A-M20 REPORT NUMBER: 10U13030-1 ISSUE DATE: JANUARY 15, 2010 Prepared for CISCO-LINKSYS LLC 121 THEORY DRIVE IRVINE, CA 92617, U.S.A. Prepared by COMPLIANCE CERTIFICATION SERVICES 47173 BENICIA STREET FREMONT, CA 94538, U.S.A. TEL: (510) 771-1000 FAX: (510) 661-0888 REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 2 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. Revision History Rev. Issue Date RevisionsRevised By -- 01/15/10 Initial Issue T. Chan REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 3 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. TABLE OF CONTENTS 1.ATTESTATION OF TEST RESULTS....................................................................................5 2.TEST METHODOLOGY........................................................................................................6 3.FACILITIES AND ACCREDITATION....................................................................................6 4.CALIBRATION AND UNCERTAINTY..................................................................................6 4.1.MEASURING INSTRUMENT CALIBRATION...............................................................6 4.2.MEASUREMENT UNCERTAINTY................................................................................6 5.EQUIPMENT UNDER TEST.................................................................................................7 5.1.DESCRIPTION OF EUT................................................................................................7 5.2.MAXIMUM OUTPUT POWER.......................................................................................7 5.3.DESCRIPTION OF AVAILABLE ANTENNAS...............................................................7 5.4.SOFTWARE AND FIRMWARE.....................................................................................7 5.5.WORST-CASE CONFIGURATION AND MODE..........................................................8 5.6.DESCRIPTION OF TEST SETUP.................................................................................9 6.TEST AND MEASUREMENT EQUIPMENT.......................................................................11 7.ANTENNA PORT TEST RESULTS....................................................................................12 7.1.802.11b MODE............................................................................................................12 7.1.1.6 dB BANDWIDTH..............................................................................................12 7.1.2.99% BANDWIDTH..............................................................................................14 7.1.3.OUTPUT POWER...............................................................................................16 7.1.4.POWER SPECTRAL DENSITY..........................................................................17 7.1.5.CONDUCTED SPURIOUS EMISSIONS.............................................................20 7.2.802.11g MODE............................................................................................................24 7.2.1.6 dB BANDWIDTH..............................................................................................24 7.2.2.99%BANDWIDTH...............................................................................................26 7.2.3.OUTPUT POWER...............................................................................................28 7.2.4.POWER SPECTRAL DENSITY..........................................................................29 7.2.5.CONDUCTED SPURIOUS EMISSIONS.............................................................32 7.3.802.11n HT20 MODE IN THE 2.4 GHz BAND............................................................36 7.3.1.6 dB BANDWIDTH..............................................................................................36 7.3.2.99% BANDWIDTH..............................................................................................40 7.3.3.OUTPUT POWER...............................................................................................44 7.3.4.POWER SPECTRAL DENSITY..........................................................................45 7.3.5.CONDUCTED SPURIOUS EMISSIONS.............................................................48 7.4.802.11n HT40 MODE IN THE 2.4 GHz BAND – MCS 0.............................................52 7.4.1.6 dB BANDWIDTH..............................................................................................52 7.4.2.99% BANDWIDTH..............................................................................................56 7.4.3.OUTPUT POWER...............................................................................................60 7.4.4.POWER SPECTRAL DENSITY..........................................................................61 7.4.5.CONDUCTED SPURIOUS EMISSIONS.............................................................65 REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 4 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. 7.5.802.11n HT40 MODE IN THE 2.4 GHz BAND – MCS 12...........................................69 7.5.1.6 dB BANDWIDTH..................................................................…

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REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 101 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. RESTRICTED BANDEDGE (HIGH CHANNEL, VERTICAL) HIGH CHANNEL RESTRICTED, AVG, VERT HIGH CHANNEL RESTRICTED, PEAK, VERT REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 102 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. HARMONICS AND SPURIOUS EMISSIONS REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 103 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. 8.2.3. 802.11n HT20 MIMO MODE CHANNEL 1, 2412MHz RESTRICTED BANDEDGE (LOW CHANNEL, HORIZONTAL) LOW CHANNEL RESTRICTED, PEAK, HORIZ LOW CHANNEL RESTRICTED, AVG, HORIZ REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 104 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. RESTRICTED BANDEDGE (LOW CHANNEL, VERTICAL) LOW CHANNEL RESTRICTED, PEAK, VERT LOW CHANNEL RESTRICTED, AVG, VERT REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 105 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. CHANNEL 2, 2417MHz RESTRICTED BANDEDGE (LOW CHANNEL, HORIZONTAL) LOW CHANNEL RESTRICTED, PEAK, HORIZ LOW CHANNEL RESTRICTED, AVG, HORIZ REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 106 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. RESTRICTED BANDEDGE (LOW CHANNEL, VERTICAL) LOW CHANNEL RESTRICTED, PEAK, VERT LOW CHANNEL RESTRICTED, AVG, VERT REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 107 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. CHANNEL 10, 2457 MHz RESTRICTED BANDEDGE (HIGH CHANNEL, HORIZONTAL) HIGH CHANNEL RESTRICTED, PEAK, HORIZ HIGH CHANNEL RESTRICTED, AVG, HORIZ REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 108 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. RESTRICTED BANDEDGE (HIGH CHANNEL, VERTICAL) HIGH CHANNEL RESTRICTED, PEAK, VERT HIGH CHANNEL RESTRICTED, AVG, VERT REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 109 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. CHANNEL 11, 2462 MHz RESTRICTED BANDEDGE (HIGH CHANNEL, HORIZONTAL) HIGH CHANNEL RESTRICTED, PEAK, HORIZ HIGH CHANNEL RESTRICTED, AVG, HORIZ REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 110 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. RESTRICTED BANDEDGE (HIGH CHANNEL, VERTICAL) HIGH CHANNEL RESTRICTED, AVG, VERT HIGH CHANNEL RESTRICTED, PEAK, VERT REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 111 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. HARMONICS AND SPURIOUS EMISSIONS REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 112 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. 8.2.4. 802.11n HT40 MIMO MODE MCS0 CHANNEL 2422 MHz RESTRICTED BANDEDGE (LOW CHANNEL, HORIZONTAL) LOW CHANNEL RESTRICTED, PEAK, HORIZ LOW CHANNEL RESTRICTED, AVG, HORIZ REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 113 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. RESTRICTED BANDEDGE (LOW CHANNEL, VERTICAL) LOW CHANNEL RESTRICTED, PEAK, VERT LOW CHANNEL RESTRICTED, AVG, VERT REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 114 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. CHANNEL 2427 MHz RESTRICTED …

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Report No.: RF980325H07A 1 Report Format Version 3.0.0 FCC TEST REPORT REPORT NO.: RF980325H07A MODEL NO.: M20 RECEIVED: Mar. 25, 2009 TESTED: Mar. 29, 2009 ISSUED: Dec. 14, 2009 APPLICANT: Cisco-Linksys LLC ADDRESS: 121 Theory Drive Irvine, CA 92617(USA) ISSUED BY: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch LAB LOCATION: No. 81-1, Lu Liao Keng, 9th Ling, Wu Lung Tsuen, Chiung Lin Hsiang, Hsin Chu Hsien 307, Taiwan This test report consists of 17 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product endorsement by TAF or any government agencies. The test results in the report only apply to the tested sample. Report No.: RF980325H07A 2 Report Format Version 3.0.0 TABLE OF CONTENTS 1. CERTIFICATION...........................................................................................3 2. SUMMARY OF TEST RESULTS..................................................................4 2.1 MEASUREMENT UNCERTAINTY...................................................................4 3. GENERAL INFORMATION...........................................................................5 3.1 GENERAL DESCRIPTION OF EUT........................................................5 5. DESCRIPTION OF TEST MODES..........................................................7 3.2 DESCRIPTION OF TEST MODES..........................................................8 3.2.1 TEST MODE APPLICABILITY AND TESTED CHANNEL DETAIL...........8 3.3 GENERAL DESCRIPTION OF APPLIED STANDARDS..........................8 3.4 DESCRIPTION OF SUPPORT UNITS.....................................................9 3.5 CONFIGURATION OF SYSTEM UNDER TEST....................................10 4. TEST TYPES AND RESULTS....................................................................11 4.1 RADIATED EMISSION MEASUREMENT..............................................11 4.1.1 LIMITS OF RADIATED EMISSION MEASUREMENT...........................11 4.1.2 TEST INSTRUMENTS...........................................................................12 4.1.3 TEST PROCEDURES...........................................................................13 4.1.4 DEVIATION FROM TEST STANDARD..................................................13 4.1.5 TEST SETUP.........................................................................................14 4.1.6 EUT OPERATING CONDITIONS...........................................................14 4.1.7 TEST RESULTS....................................................................................15 5. INFORMATION ON THE TESTING LABORATORIES...............................16 6. APPENDIX - A MODIFICATIONS RECORDERS FOR ENGINEERING CHANGES TO THE EUT BY THE LAB......................................................17 Report No.: RF980325H07A 3 Report Format Version 3.0.0 1. CERTIFICATION PRODUCT : Wireless-N Gigabit Router MODEL NO.: M20 BRAND : CISCO APPLICANT : Cisco-Linksys LLC TESTED : Mar. 29, 2009 TEST SAMPLE : ENGINEERING SAMPLE STANDARDS : FCC Part 15, Subpart C (Section 15.247), ANSI C63.4-2003 (only tested radiated emission below 1GHz) The above equipment (Model: M20) has been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch, and found compliance with the requirement of the above standards. The test record, data evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts of the measurements of the sample’s EMC characteristics under the conditions specified in this report. PREPARED BY : , DATE: Dec. 14, 2009 ( Claire Kuan, Specialist ) TECHNICAL ACCEPTANCE : , DATE: Dec. 14, 2009 ( Hank Chung, Deputy Manager ) APPROVED BY : , DATE: Dec. 14, 2009 ( May Chen, Deputy Manager ) Report No.: RF980325H07A 4 Report Format Version 3.0.0 2. SUMMARY OF TEST RESULTS The EUT has been tested according to the following specifications: APPLIED STANDARD: FCC Part 15, Subpart C STANDARD SECTION TEST TYPE AND LIMIT RESULT REMARK 15.207 AC Power Conducted Emission NT Not Tested 15.247(a)(2) Spectrum Bandwidth of a Direct Sequence Spread Spectrum System Limit : min. 500kHz NT Not Tested 15.247(b) Maximum Peak Output Power Limit: max. 30dBm NT Not Tested 15.247(d) Transmitter Radiated Emissions Limit: Table 15.209 PASS Meet the requirement of limit. Minimum passing margin is -1.55dB at 250.01MHz. 15.247(e) Power Spectral Density Limit: max. 8dBm NT Not Tested 15.247(d) Band Edge Measurement Limit: 20dB less than the peak value of fundamental frequency NT Not Tested 2.1 MEASUREMENT UNCERTAINTY Where relevant, the following measurement uncertainty levels have been estimated for tests performed on the EUT as specified in CISPR 16-4-2: This uncertainty represents an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k=2. Measurement Value Radiated emissions (30MHz-1GHz) 3.94 dB Report No.: RF980325H07A 5 Report Format Version 3.0.0 3. GENERAL INFORMATION 3.1 GENERAL DESCRIPTION OF EUT PRODUCT Wireless-N Gigabit Router MODEL NO. M20 FCC ID Q87-M20 POWER SUPPLY DC 12V from power adapter MODULATION TYPE CCK, DQPSK, DBPSK for DSSS 64QAM, 16QAM, QPSK, BPSK for OFDM MODULATION TECHNOLOGY DSSS, OFDM TRANSFER RATE 802.11b: 11 / 5.5 / 2 / 1Mbps 802.11g: 54 / 48 / 36 / 24 / 18 / 12 / 9 / 6Mbps Draft 802.11n (20MHz): 130 / 117 / 104 / 78 / 52 / 39 / 26/ 13 / 65 / 58.5 / 52 / 39 / 26 / 19.5 /13 / 6.5Mbps Draft 802.11n (40MHz): 270 / 243 / 216 / 162 / 108 /81 / 54 / 27 /135 / 121.5 / 108 / 81 /54 / 40.5 / 27 / 13.5Mbps FREQUENCY RANGE 2412 ~ 2462MHz NUMBER OF CHANNEL 11 for 802.11b, 802.11g, draft 802.11n (20MHz) 7 for draft 802.11n (40MHz) ANTENNA TYPE Please see note 1 DATA CABLE NA I/O PORT WAN Port x 1, LAN Port x 4 ASSOCIATED DEVICES Adapter x 1 NOTE: 1. There are three antennas provided to this EUT, please refer to the following ta…

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REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 139 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. 11. SETUP PHOTOS ANTENNA PORT CONDUCTED RF MEASUREMENT SETUP ANTENNA PORT CONDUCTED PHOTO REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 140 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. RADIATED RF MEASUREMENT SETUP RADIATED FRONT PHOTO RADIATED BACK PHOTO REPORT NO: 10U13030-1 DATE: JANUARY 15, 2010 FCC ID: Q87-M20 IC: 3839A-M20 Page 141 of 141 COMPLIANCE CERTIFICATION SERVICES FORM NO: CCSUP4031B 47173 BENICIA STREET, FREMONT, CA 94538, USA TEL: (510) 771-1000 FAX: (510) 661-0888 This report shall not be reproduced except in full, without the written approval of CCS. POWERLINE CONDUCTED EMISSIONS MEASUREMENT SETUP END OF REPORT LINE CONDUCTED FRONT PHOTO LINE CONDUCTED BACK PHOTO

1 PHOTOGRAPHS OF THE TEST CONFIGURATION RADIATED EMISSION TEST