Revised test data

FCC ID: PPD-AR5BCB-00012

Test Report

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FCCID_174489

Turbo-Mode Band Edge Measurements (Revised) The attached data represents revised measurement data for the Atheros application under FCC ID PPD-AR5BCB-00012. The data originally submitted for the band edge measurement data is incorrect as it used the field strength data for the normal mode fundamental signals and not the fundamental field strength data for the turbo mode This data should be used to replace pages 21 – 23 of the pdf file Atheros Radio Report Test log.PDF.

EMC Test Data Client: Atheros Job Number: J44394 Model: AR5BCB-00012 T-Log Number: T45028 Proj Eng: Mark Briggs Contact: Eric Dukatz Emissions Spec: FCC Part 15 Subpart E Class: N/A Immunity Spec: N/A Environment: - EMC Test Data For The Atheros Model AR5BCB-00012 T-Log: T45028.xls, Rev 0.1 Cover Page 1 of 5

EMC Test Data Client: Atheros Job Number: J44394 Model: AR5BCB-00012 T-Log Number: T45028 Proj Eng: Mark Briggs Contact: Eric Dukatz Spec: FCC Part 15 Subpart E Class: N/A FCC Part 15 Subpart E Tests Test Specifics Objective: The objective of this test session is to perform final qualification testing of the EUT with respect to the specification listed above. Date of Test: 10/12/2001 Config. Used: Test Engineer: Jmartinez Config Change: Test Location: SVOATS# 4 Host Unit Voltage 120Vac, 60Hz General Test Configuration The EUT was located on the turntable for radiated spurious emissions testing. For radiated emissions testing the measurement antenna was located 3 meters from the EUT unless stated otherwise. When measuring the conducted emissions from the EUT's antenna port, the antenna port of the EUT was connected to the spectrum analyzer or power meter via a suitable attenuator to prevent overloading the measurement system. All measurements are corrected to allow for the external attenuators and cables used. Ambient Conditions: Temperature: 24°C Rel. Humidity: 80% Summary of Results Run # Test Performed Limit Result Comments RE, 1000 - 40000 MHz - 1 15.407(b)(6) Pass -3.62dB @ 5350 MHz Spurious Emissions Modifications Made During Testing: No modifications were made to the EUT during testing Deviations From The Standard No deviations were made from the requirements of the standard. T-Log: T45028.xls, Rev 1.0 FQ (UNII Turbo Mode Tests) Page 2 of 5

EMC Test Data Client: Atheros Job Number: J44394 Model: AR5BCB-00012 T-Log Number: T45028 Proj Eng: Mark Briggs Contact: Eric Dukatz Spec: FCC Part 15 Subpart E Class: N/A Run #1: Radiated Spurious Emissions, 5.15 - 5.35 GHz Band Edge Measurements Limit for emissions in restricted bands: 54dBuV/m (Average) 74dBuV/m (Peak) Limit for emissions outside of restricted bands: EIRP < -27dBm/MHz (68dBuV/m) Fundamental signal measurements (to calculate the band edge field strengths):Power= 13.3 dBm @ 5290 MHz, 13.8 dBm @ 5210 MHz. Frequency Level Pol 15.209 / 15.407 Detector Azimuth Height Comments MHz dBµV/m v/h Limit Margin Pk/QP/Avg degrees meters 5210.0 104.8 v - - Pk 234 1.5 RBW = VBW = 1 MHz 5210.0 94.9 v - - Avg 234 1.5 RBW = 1MHz, VBW = 10Hz 5210.0 95.0 h - - Pk 264 1.6 RBW = VBW = 1 MHz 5210.0 85.1 h - - Avg 264 1.6 RBW = 1MHz, VBW = 10Hz 5290.0 104.4 v - - Pk 215 1.5 RBW = VBW = 1 MHz 5290.0 93.0 v - - Avg 215 1.5 RBW = 1MHz, VBW = 10Hz 5290.0 99.5 h - - Pk 162 1.6 RBW = VBW = 1 MHz 5290.0 88.8 h - - Avg 162 1.6 RBW = 1MHz, VBW = 10Hz Band Edge Field Strength Calculations Frequency Level Pol 15.209 / 15.407 Detector Azimuth Height Comments MHz dBµV/m v/h Limit Margin Pk/QP/Avg degrees meters 5150.0 69.1 v 74.0 -4.9 Pk Note 1 5150.0 50.3 v 54.0 -3.7 Avg Note 1 5350.0 68.9 v 74.0 -5.1 Pk Note 2 5350.0 50.4 v 54.0 -3.6 Avg Note 2 EUT operating on the lowest channel available in the 5.15 - 5.25 MHz band. Signal level calculated using the Note 1: relative measurements in run #5 (-35.7dBc for peak and -44.6dBc for average) applied to the highest peak and average field strength measurements of the fundamental signal level. See graphs on following page. EUT operating on highest channel available in the 5.25 - 5.35 MHz band. Signal level calculated using the relative Note 2: measurements in run #5 (-35.5 dBc for peak and -42.6dBc for average) applied to the highest peak and average field strength measurements of the fundamental signal level. See graphs on following page. T-Log: T45028.xls, Rev 1.0 FQ (UNII Turbo Mode Tests) Page 3 of 5

EMC Test Data Client: Atheros Job Number: J44394 Model: AR5BCB-00012 T-Log Number: T45028 Proj Eng: Mark Briggs Contact: Eric Dukatz Spec: FCC Part 15 Subpart E Class: N/A T-Log: T45028.xls, Rev 1.0 FQ (UNII Turbo Mode Tests) Page 4 of 5

Antenna Conducted and Radiated Emissions, 12-Oct-01 08:59 PM Engineer: jmartinez Manufacturer Description Model # Assett # Cal interval Last Calibrated Cal Due Hewlett Packard Microwave EMI test system (SA40, 30Hz - 40GHz) 84125C 1149 12 2/5/2001 2/5/2002 Hewlett Packard Spectrum Analyzer, 9KHz - 22GHz 8593EM 1319 12 5/31/2001 5/31/2002 File: T45028.xls Test Equipment (Emissions) 5 of 5


Document Created: 2001-10-16 18:39:07
Document Modified: 2001-10-16 18:39:07
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