X280055Siesta Flow

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Part of the Imagination Technologies Group Registered in England No. 1306335 Registered office: Imagination House Home Park Estate, Kings Langley Hertfordshire. WD4 8LZ. UK FM 25748 Imagination Technologies Ltd. Pinnacle House Home Park Estate Kings Langley Herfordshire WD4 8LZ United Kingdom t: +44 (0)845 1489001 f: +44 (0)845 1489003 www.pure.com RequestforConfidentiality Date:17 th June2010__ Subject: Confidentiality Request for FCC ID:__X280055____ Pursuant to FCC 47 CRF 0.457(d) and 0.459 and IC RSP-100, Section 10,the applicantrequests that a part of the subject FCC application be held confidential. Type of Confidentiality RequestedExhibit Short TermPermanentBlock Diagrams Short TermExternal Photos Short TermPermanent* 1 Internal Photos Short TermPermanentOperation Description/Theory of Operation Short TermPermanentParts List & Placement/BOM Short TermPermanentTune-Up Procedure Short TermPermanentSchematics Short TermTest Setup Photos Short TermPermanent*User’s Manual *Note:______(Insert Explanation as Necessary)______ Imagination Technologies Ltd / Pure Digitalhas spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public reviewdue to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality: Not requested. Sincerely, By:________________________________JASON MILLER___________

ExternalPhotos

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SiestaFlowRF Exposure:- TheSiestaFlow is intended as a mobile device. A warning statement is included in the user manual advising users to maintain a minimum distance of 20cm. Evaluation is therefore for exposure potential against the MPElimits given in Appendix A of OET Bulletin 65, Supplement C: 1500-100,000MHz; 1mW/cm 2 Compliance requirements are based upon General population / Uncontrolled exposure. Equation (3) of OET Bulletin 65: where:S = power density (in appropriate units, e.g. mW/cm 2 ) P = power input to the antenna (in appropriate units, e.g. mW) G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the centre of radiation of the antenna (appropriate units, e.g. cm) Substituting known values for theSiestaFlow: WiFi RF worst case average power(measured on serial #138091RD000121), P = 28.8mW. WiFi antennabestgain (measured), G = 0.55 Distance, R = 20cm (for mobile use). S = 0.0032< 1mW/cm 2

File namePURE.414PAGE1OF92 QMF21J–3: FCC PART 15C: RNEISSUE 02:-JUN 10 FCC47CFR part 15C Test Report For Siesta Flow Reference Standard:FCC47CFRpart 15C Manufacturer:Pure DigitalLtd. For type of equipment and serial number, refer to section 3 Report Number:05-414/4271/2/10 Report Produced by:-R.N. Electronics Ltd. 1 Arnolds Court Arnolds Farm Lane Mountnessing Essex CM13 1UT U.K. www.RNelectronics.comTelephone+44 (0) 1277 352219 Facsimile+44 (0) 1277 352968 2004RN ELECTRONICS LIMITEDREPORT NUMBER05-414/4271/2/10 ALL RIGHTS RESERVED File namePURE.414PAGE2OF92 QMF21J–3: FCC PART 15C: RNEISSUE 02:-JUN 10 1.Contents 1.CONTENTS.............................................................................................................................................2 2.SUMMARY OFTESTRESULTS..................................................................................................................3 3.EQUIPMENTUNDERTEST(EUT).............................................................................................................4 3.1Equipment Specification......................................................................................4 3.2EUT Configurations for testing.............................................................................4 3.3EUT Modes.........................................................................................................5 3.4Emissions Configuration......................................................................................6 4.SPECIFICATIONS....................................................................................................................................7 4.1Deviations...........................................................................................................7 4.2Tests at Extremes of Temperature & Voltage......................................................7 4.3Measurement Uncertainties.................................................................................7 5.TESTS,METHODS ANDRESULTS.............................................................................................................8 5.1Conducted Emissions..........................................................................................8 5.2Radiated Emissions............................................................................................9 5.3Peak Conducted Power.....................................................................................10 5.4Frequency Tolerance........................................................................................12 5.5Duty Cycle.......................................................................................................12 5.6Maximum Spectral Power Density.....................................................................13 5.76 dB Bandwidth.................................................................................................14 5.8Band Edge Compliance.....................................................................................15 5.9Frequency Separation.......................................................................................16 15.10Number of hopping Channels..........................................................................16 6.PLOTS ANDRESULTS...........................................................................................................................17 6.1Conducted Emissions........................................................................................17 6.2Radiated Emissions..........................................................................................21 6.3Radiated emissions above 1GHz.......................................................................25 6.4Fundamental Emissions.....................................................................................40 6.5Duty Cycle........................................................................................................43 6.66dB Bandwidth..................................................................................................43 6.7Band Edge Compliance.....................................................................................63 6.8Frequency separation.......................................................................................78 6.9Number of hopping channels..............................................................................78 7EXPLANATORYNOTES..........................................................................................................................79 7.1Explanation of FAIL LIMIT 1Statement.............................................................79 7.2Explanation of limit line calculations for radiated measurements........................79 8.PHOTOGRAPHS....................................................................................................................................80 9.SIGNALLEADS.....................................................................................................................................86 10.TESTEQUIPMENTCALIBRATION LIST..................................................................................................87 11.AUXILIARY EQUIPMENT......................................................................................................................88 11.1Auxiliary equipment supplied by PURE Digital.................................................88 11.2Auxiliary equipment supplied by RN Electronics Limited.................................88 12.MODIFICATIONS...............................................................................................................................89 12.1Modifications before test...............................................................................89 12.2Modifications during test................................................................................89 13.COMPLIANCE INFORMATION.....................................................................................…

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Test Setup Photos Conducted AC Powerline. Radiated Emissions.