X280059Spread Spectrum Transmitter - One 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:23 rd March 2011 Subject: Confidentiality Request for FCC ID:__X280059____ 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 applicable. Sincerely, By:________________________________JASON MILLER___________

PURE ONE Flow – external photos V1 09-Dec-10 Front View Back View Back View with battery door removed Side View Top View Bottom View

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One FlowRF Exposure:- The One Flow 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 MPE limits 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 the One Flow: WiFi RF worst case average power, P = 36.3mW. WiFi antenna gain, G = 1.29. n.b. although the specified gain for the chip antenna is 0dBi, this is the best gainfrom the antenna data sheetin linear terms. Distance, R = 20cm (for mobile use). S = 0.009< 1mW/cm 2

FCC 47CFR part 15C Test Report For One Flow Reference Standard: FCC 47CFR part 15C For type of equipment and serial number, refer to section 3 - Telephone+44 (0) 1277 352219 +44 (0) 1277 352968Facsimile www.RNelectronics.com U.K. CM13 1UT Essex Mountnessing Arnolds Farm Lane 1 Arnolds Court R.N. Electronics Ltd.-d by: Report Produce 435/4461/5/11Report Number: 01 Manufacturer: Imagination Technologies JUN 10-E ISSUE 02: 3: FCC PART 15C: RN–QMF21J 128 OF 1AGE P5-PURE.4461File name 1. Contents 1.CONTENTS...................................................................................................................................2 2.SUMMARY OF TEST RESULTS........................................................................................................3 3.EUT(EUT)...................................................................................................4 3.1Equipment Specification......................................................................................4 3.2EUT Configurations for testing4 3.3EUT Modes.........................................................................................................4 3.4Emissions Configuration6 4.S7PECIFICATIONS 4.1 Deviations7 4.2Tests at Extremes of Temperature & Voltage......................................................7 4.3Measurement Uncertainties7................................................................................ TESTS,METHODS AND RESULTS...................................................................................................8 5.1Conducted Emissions.........................................................................................8 5.2Radiated Emissions............................................................................................9 5.3Peak Conducted Power....................................................................................11 5.4Frequency Tolerance........................................................................................13 5.5 Duty Cycle.......................................................................................................13 5.6Maximum Spectral Power Density.....................................................................14 5.76 dB Bandwidth.................................................................................................16 5.8Band Edge Compliance.....................................................................................18 5.9Frequency Separation.......................................................................................21 5.10Number of hopping Channels.............................................................................21 PLOTS AND RESULTS..................................................................................................................22 6.2 Radiated Emissions..........................................................................................26 54 6.6Band Edge Compliance.....................................................................................74 6.7Power Spectral Density plots............................................................................98 7Explanatory Notes...........................................................................................116 7.1Explanation of FAIL LIMIT 1 Statement...........................................................116 7.2Explanation of limit line calculations for radiated measurements......................116 8.PHOTOGRAPHS.........................................................................................................................117 IDENTIFYING PHOTOGRAPH OF THE EUT....................................................................................121 9.SIGNAL LEADS.........................................................................................................................122 TEST EQUIPMENT CALIBRATION LIST..........................................................................................123 AUXILIARY EQUIPMENT..............................................................................................................124 11.1 Auxiliary equipment supplied by Imagination Technologies..............................124 11.2 Auxiliary equipment supplied by RN Electronics Limited...................................124 M........................................................................................................................125 12.1Modifications before test.................................................................................125 125 Compliance information...................................................................................126 15ABBREVIATIONS AND UNITS128....................................................................................................... 127....................................................................................................ITESSEST TESCRIPTION OF D14 13. .................................................................................Modifications during test12.2 ODIFICATIONS12. 11. 10. 56..................................................................................................6dB Bandwidth6.5 55........................................................................................................Duty Cycle6.4 ....................................................................................Fundamental Emissions6.3 22.......................................................................................Conducted Emissions6.1 6. 5. .......................................................................................................... .......................................................................................................................... ..................................................................................... ............................................................................ EST NDER QUIPMENT JUN 10-E ISSUE 02: 3: FCC PART 15C: RN–QMF21J 128 OF 2AGE P5-PUR…

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Test Setup Photos Radiated emissions 1 Radiated emissions 2 AC Conducted emissions