Test Report Part 2

FCC ID: RRK-AP431W

Test Report

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4.6 BAND EDGES MEASUREMENT 4.6.1 LIMITS OF BAND EDGES MEASUREMENT Below –20dB of the highest emission level of operating band (in 1MHz Resolution Bandwidth). 4.6.2 TEST INSTRUMENTS Description & Manufacturer Model No. Serial No. Calibrated Until R&S SPECTRUM ANALYZER FSP40 100037 Aug. 15, 2007 NOTE: 1.The measurement uncertainty is less than +/- 2.6dB, which is calculated as per the NAMAS document NIS81. 2.The calibration interval of the above test instruments is 12 months and the calibrations are traceable to NML/ROC and NIST/USA. 4.6.3 TEST PROCEDURE The transmitter output was connected to the spectrum analyzer via a low lose cable. Set RBW spectrum analyzer to 1 MHz and set VBW spectrum analyzer to 10 Hz with suitable frequency span including 1 MHz bandwidth from band edge. The band edges was measured and recorded. The spectrum plots (Peak RBW=VBW=100kHz ; Average RBW=1MHz, VBW=10Hz) are attached on the following pages. 4.6.4 EUT OPERATING CONDITION Same as Item 4.3.5 Report No.: RF930503L04J 61 Issued: Feb. 27, 2007 Reference No.: 960206H06

4.6.5 TEST RESULTS – DSSS The spectrum plots are attached on the following page. D1 line indicates the highest level, D2 line indicates the 20dB offset below D1. It shows compliance with the requirement in part 15.247(C). Note - The delta method is only used up to 2 MHz away from the restricted bandage, The radiated emissions which located in other restricted frequency band, the result, please refer to 4.2. NOTE (Peak): The band edge emission plot of DSSS technique on the following first page show 53.93dB delta between carrier maximum power and local maximum emission in restrict band (2.3900GHz). The emission of carrier strength list in the test result of channel 1 at the item 4.2 is 114.8dBuV/m, so the maximum field strength in restrict band is 114.8-53.93=60.87dBuV/m which is under 74 dBuV/m limit. The band edge emission plot of DSSS technique on the following second page shows 53.85dB delta between carrier maximum power and local maximum emission in restrict band (2.4835GHz). The emission of carrier strength list in the test result of channel 11 at the item 4.2 is 116.1dBuV/m, so the maximum field strength in restrict band is 116.1-53.85=62.25dBuV/m which is under 74 dBuV/m limit. NOTE (Average): The band edge emission plot on the following third page shows 58.74dB delta between carrier maximum power and local maximum emission in restrict band (2.3900GHz). The emission of carrier strength list in the test result of channel 1 at the item 4.2 is 107.5dBuV/m, so the maximum field strength in restrict band is 107.5-58.74=48.76BuV/m which is under 54 dBuV/m limit. The band edge emission plot on the following fourth page shows 59.18dB delta between carrier maximum power and local maximum emission in restrict band (2.4835GHz). The emission of carrier strength list in the test result of channel 11 at the item 4.2. is 108.80dBuV/m, so the maximum field strength in restrict band is 108.80-59.18=49.62dBuV/m which is under 54 dBuV/m limit. Report No.: RF930503L04J 62 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH1 Report No.: RF930503L04J 63 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH11 Report No.: RF930503L04J 64 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH1 Report No.: RF930503L04J 65 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH11 Report No.: RF930503L04J 66 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH1 Report No.: RF930503L04J 67 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH11 Report No.: RF930503L04J 68 Issued: Feb. 27, 2007 Reference No.: 960206H06

4.6.6 TEST RESULTS – OFDM The spectrum plots are attached on the following page. D1 line indicates the highest level, D2 line indicates the 20dB offset below D1. It shows compliance with the requirement in part 15.247(C). Note - The delta method is only used up to 2 MHz away from the restricted bandage, The radiated emissions which located in other restricted frequency band, the result, please refer to 4.2. NOTE (Peak): The band edge emission plot of OFDM technique on the following first page show 46.58dB delta between carrier maximum power and local maximum emission in restrict band (2.3900GHz). The emission of carrier strength list in the test result of channel 1 at the item 4.2 is 110.7dBuV/m, so the maximum field strength in restrict band is 110.7-46.58=64.12dBuV/m which is under 74 dBuV/m limit. The band edge emission plot of OFDM technique on the following second page shows 46.94dB delta between carrier maximum power and local maximum emission in restrict band (2.4835GHz). The emission of carrier strength list in the test result of channel 11 at the item 4.2 is 110.8dBuV/m, so the maximum field strength in restrict band is 110.8-46.94=63.86dBuV/m which is under 74 dBuV/m limit. NOTE (Average): The band edge emission plot on the following third page shows 49.85dB delta between carrier maximum power and local maximum emission in restrict band (2.3900GHz). The emission of carrier strength list in the test result of channel 1 at the item 4.2. is 102.6dBuV/m, so the maximum field strength in restrict band is 102.6-49.85=52.75dBuV/m which is under 54 dBuV/m limit. The band edge emission plot on the following fourth page shows 50.67dB delta between carrier maximum power and local maximum emission in restrict band (2.4835GHz). The emission of carrier strength list in the test result of channel 11 at the item 4.2. is 102.8dBuV/m, so the maximum field strength in restrict band is 102.8-50.67=52.13dBuV/m which is under 54 dBuV/m limit. Report No.: RF930503L04J 69 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH1 Report No.: RF930503L04J 70 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH11 Report No.: RF930503L04J 71 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH1 Report No.: RF930503L04J 72 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH11 Report No.: RF930503L04J 73 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH1 Report No.: RF930503L04J 74 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH11 Report No.: RF930503L04J 75 Issued: Feb. 27, 2007 Reference No.: 960206H06

802.11g Turbo OFDM modulation The spectrum plots are attached on the following page. D1 line indicates the highest level, D2 line indicates the 20dB offset below D1. It shows compliance with the requirement in part 15.247(C). Note - The delta method is only used up to 2 MHz away from the restricted bandage, The radiated emissions which located in other restricted frequency band, the result, please refer to 4.2. NOTE (Peak): The band edge emission plot of OFDM technique on the following first page show 43.17dB delta between carrier maximum power and local maximum emission in restrict band (2.3900GHz). The emission of carrier strength list in the test result of channel 6 at the item 4.2 is 110.0dBuV/m, so the maximum field strength in restrict band is 110.0-43.17=66.83dBuV/m which is under 74 dBuV/m limit. The band edge emission plot of OFDM technique on the following first page shows 47.11dB delta between carrier maximum power and local maximum emission in restrict band (2.4835GHz). The emission of carrier strength list in the test result of channel 6 at the item 4.2 is 110.0dBuV/m, so the maximum field strength in restrict band is 110.0-47.11=62.89dBuV/m which is under 74 dBuV/m limit. NOTE (Average): The band edge emission plot of OFDM technique on the following second page shows 47.66dB delta between carrier maximum power and local maximum emission in restrict band (2.3900GHz). The emission of carrier strength list in the test result of channel 6 at the item 4.2 is 101.2dBuV/m, so the maximum field strength in restrict band is 101.2-47.66=53.54dBuV/m which is under 54 dBuV/m limit. The band edge emission plot of OFDM technique on the following second page shows 50.45dB delta between carrier maximum power and local maximum emission in restrict band (2.4835GHz). The emission of carrier strength list in the test result of channel 6 at the item 4.2 is 101.2dBuV/m, so the maximum field strength in restrict band is 101.2-50.45=50.75dBuV/m which is under 54 dBuV/m limit. Report No.: RF930503L04J 76 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH6 CH6 Report No.: RF930503L04J 77 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH6 CH6 Report No.: RF930503L04J 78 Issued: Feb. 27, 2007 Reference No.: 960206H06

CH6 Report No.: RF930503L04J 79 Issued: Feb. 27, 2007 Reference No.: 960206H06

4.7 ANTENNA REQUIREMENT 4.7.1 STANDARD APPLICABLE For intentional device, according to FCC 47 CFR Section 15.203, an intentional radiator shall be designed to ensure that no antenna other than that furnished by the responsible party shall be used with the device. And according to FCC 47 CFR Section 15.247 (b), if transmitting antennas of directional gain greater than 6dBi are used, the power shall be reduced by the amount in dB that the directional gain of the antenna exceeds 6dBi. 4.7.2 ANTENNA CONNECTED CONSTRUCTION The antennas used in this product are Dipole Antenna with R-SMA connector and printed antenna without connector. The maximum Gain of the antenna is 2.0dBi. Report No.: RF930503L04J 80 Issued: Feb. 27, 2007 Reference No.: 960206H06

5 INFORMATION ON THE TESTING LABORATORIES We, ADT Corp., were founded in 1988 to provide our best service in EMC, Radio, Telecom and Safety consultation. Our laboratories are accredited and approved by the following approval agencies according to ISO/IEC 17025: USA FCC, UL, A2LA Germany TUV Rheinland Japan VCCI Norway NEMKO Canada INDUSTRY CANADA, CSA R.O.C. CNLA, BSMI, NCC Netherlands Telefication Singapore PSB, GOST-ASIA (MOU) Russia CERTIS (MOU) Copies of accreditation certificates of our laboratories obtained from approval agencies can be downloaded from our web site: www.adt.com.tw/index.5/phtml. If you have any comments, please feel free to contact us at the following: Linko EMC/RF Lab: Hsin Chu EMC/RF Lab: Tel: 886-2-26052180 Tel: 886-3-5935343 Fax: 886-2-26052943 Fax: 886-3-5935342 Hwa Ya EMC/RF/Safety/Telecom Lab: Tel: 886-3-3183232 Fax: 886-3-3185050 Email: service@adt.com.tw Web Site: www.adt.com.tw The address and road map of all our labs can be found in our web site also. Report No.: RF930503L04J 81 Issued: Feb. 27, 2007 Reference No.: 960206H06

APPENDIX-A MODIFICATIONS RECORDERS FOR ENGINEERING CHANGES TO THE EUT BY THE LAB No any modifications are made to the EUT by the lab during the test. Report No.: RF930503L04J A-1 Issued: Feb. 27, 2007 Reference No.: 960206H06


Document Created: 2007-03-19 17:14:20
Document Modified: 2007-03-19 17:14:20
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