U3R-ABSRBase Station Radio

6RT138 02 14 Jun 2007Page 1 of 6 6RT138 02 14 Jun 2007Page 2 of 6 6RT138 02 14 Jun 2007Page 3 of 6 6RT138 02 14 Jun 2007Page 4 of 6 6RT138 02 14 Jun 2007Page 5 of 6 6RT138 02 14 Jun 2007Page 6 of 6

COMMERCIAL IN CONFIDENCE 6RT139 01 12 Jun 2007Page 1 of 1 Subject: AMPY Base Station Radio FCC ID Label Date: 12 Jun 2007 Document ref: 6RT139 01 1 Label The planned label is shown below. The dimensions are 80 x 42 mm. The rectangular box is a transparent aperture required for the product serial number. 2 Label Location The intended location for the label is on the base of the base station radio marked with a cross in the image shown below.

COMMERCIAL IN CONFIDENCE 6RT118 01 11 Jun 2007Page 1 of 7 Subject: Base Station Antenna List Date: 11 Jun 2007 Document ref: 6RT118 01 1 Summary The antennas listed below have been identified as being suitable for use as the radiating antenna structure for the AMPY base station radio system. As part of FCC authorisation, the antenna (or antennas) and the base station need to be authorised together (FCC Part 15.204). The antenna data sheets are appended to this document. Antenna TypeManufacturerModelAntenna Gain (dBi) Vertical CollinearAndrew CorporationDB586-Y8.1 Vertical CollinearKathrein-ScalaOGB6-9158.1 Vertical CollinearJaybeam7586 9008.1 Vertical CollinearJaybeam7556 9157.5 2 FCC EIRP Limit The antennas are vertical collinear antennas having an omni-directional radiation pattern and a nominal gain less than +9 dBi. The base station radio transmitter output power is less than +27 dBm. When used together, the FCC EIRP limit of +36 dBm under Part 15.247 is not exceeded. COMMERCIAL IN CONFIDENCE 6RT118 01 11 Jun 2007Page 2 of 7 Appendix A Andrew Corporation DB586-Y COMMERCIAL IN CONFIDENCE 6RT118 01 11 Jun 2007Page 3 of 7 COMMERCIAL IN CONFIDENCE 6RT118 01 11 Jun 2007Page 4 of 7 Appendix B Kathrein-Scala OGB6-915 COMMERCIAL IN CONFIDENCE 6RT118 01 11 Jun 2007Page 5 of 7 COMMERCIAL IN CONFIDENCE 6RT118 01 11 Jun 2007Page 6 of 7 Appendix C Jaybeam 7586 900 COMMERCIAL IN CONFIDENCE 6RT118 01 11 Jun 2007Page 7 of 7 Appendix D Jaybeam 7556 915

COMMERCIAL IN CONFIDENCE 6RT128 01 11 Jun 2007Page 1 of 2 Subject: Base Station Radio and Outstation RF Radiation Exposure Levels Date: 11 Jun 2007 Document ref: 6RT128 01 1 Summary This document outlines RF radiation exposure level calculations for the AMPY base station radio and outstation. Levels are specified as a power density. Limits are those defined in FCC § 1.1310 Radiofrequency radiation exposure limits. In summary, for both the base station radio and the outstation, the RF radiation exposure levels at a distance of 20 cm are below the specified FCC limits. 2 FCC § 1.1310 Limits 2.1 Limits for Occupational/Controlled Exposures This is appropriate for the base station radio since it is deployed by trained personnel in areas that the general public do not have access to. Limit: 300 lim f PD= mW/cm 2 , where f is the frequency in MHz. At 902 MHz, the limit is 3.007 mW/cm 2 . 2.2 Limits for General Population/Uncontrolled Exposure This is appropriate for the outstation since it is typically deployed on the side of residential property. Limit: 1500 lim f PD= mW/cm 2 , where f is the frequency in MHz. At 902 MHz, the limit is 0.601 mW/cm 2 . COMMERCIAL IN CONFIDENCE 6RT128 01 11 Jun 2007Page 2 of 2 3 RF Radiated Exposure Calculations 3.1 Power Density Expression The power density, PD, at a range R from the transmitter with an effective isotropic radiated power EIRP, is given by: 2 4R EIRP PD π =. To calculate the closest range at which the power density reaches the FCC limits, the following expression is used. lim 4PD EIRP R π = . 3.2 Base Station Radio 3.2.1 Power Density at 20 cm A worst case EIRP of 4 W is assumed for the base station radio. At 20 cm, the power density is 0.796 mW/cm 2 , which is below the FCC limit of 3.007 mW/cm 2 . 3.2.2 Closest Range Assuming a worst case EIRP of 4 W, the power density meets the FCC limit at a range of 10.3 cm. 3.3 Outstation 3.3.1 Power Density at 20 cm A worst case EIRP of 100 mW is assumed for the outstation. At 20 cm, the power density is 0.020 mW/cm 2 , which is below the FCC limit of 0.601 mW/cm 2 . 3.3.2 Closest Range Assuming a worst case EIRP of 100 mW, the power density meets the FCC limit at a range of 3.6 cm.

File name PLEXTEK.172 PAGE 1 OF 136 QMF21 – 8: FCC PART 15 ISSUE 02: - APR 06 FCC Test Report For Plextek Base station controller with Base station Radio ABSR1 Report Number 04-172/3327/1/07 Report Produced by: - R.N. Electronics Ltd. 1 Arnolds Court Arnolds Farm Lane Mountnessing ESSEX CM13 1UT www.RNelectronics.com Telephone 01277 352219 Facsimile 01277 352968 EMC & RADIO TEST SERVICES S RN Electronics ©2004 RN ELECTRONICS LIMITED REPORT NUMBER 04-172/3327/1/07 ALL RIGHTS RESERVED File name PLEXTEK.172 PAGE 2 OF 136 QMF21 – 8: FCC PART 15 ISSUE 02: - APR 06 1. Contents 1. CONTENTS............................................................................................................................................ 2 2. SUMMARY OF TEST RESULTS............................................................................................................... 3 3. INFORMATION ABOUT EQUIPMENT UNDER TEST................................................................................ 4 4. SPECIFICATIONS.................................................................................................................................... 5 5. TESTS, METHODS AND RESULTS.......................................................................................................... 6 5.1 Conducted Emissions ............................................................................................................6 5.2 Radiated Emissions ............................................................................................................... 7 5.3 Peak conducted Power...........................................................................................................9 5.4 Frequency Tolerance ........................................................................................................... 10 5.5 Duty Cycle.......................................................................................................................... 11 5.6 Maximum Spectral Power Density ...................................................................................... 12 5.7 20dB Bandwidth..................................................................................................................13 5.8 Number of Hopping channels.............................................................................................. 14 5.9 Frequency Separation .......................................................................................................... 15 6. PLOTS AND RESULTS.......................................................................................................................... 16 6.1 Conducted Emissions .......................................................................................................... 16 6.2 Radiated Emissions .............................................................................................................24 6.3 Fundamental Emissions ..................................................................................................... 115 6.4 Duty Cycle......................................................................................................................... 116 6.5 Modulation Bandwidth ...................................................................................................... 117 6.6 Number of hopping channels............................................................................................. 120 6.7 Frequency Separation ........................................................................................................ 121 7 Explanatory Notes ............................................................................................................. 122 7.1 Explanation of FAIL LIMIT 1 Statement.......................................................................... 122 7.2 Explanation of limit line calculations for radiated measurements ..................................... 122 8. PHOTOGRAPHS.................................................................................................................................. 123 9. SIGNAL LEADS.................................................................................................................................. 132 10. TEST EQUIPMENT CALIBRATION LIST.............................................................................................. 133 11. AUXILIARY EQUIPMENT................................................................................................................... 134 11.1 Auxiliary equipment supplied by Plextek LTD................................................................. 134 11.2 Auxiliary equipment supplied by RN Electronics Limited................................................ 134 12. MODIFICATIONS...............................................................................................................................135 13. Compliance information................................................................................................. 136 ©2004 RN ELECTRONICS LIMITED REPORT NUMBER 04-172/3327/1/07 ALL RIGHTS RESERVED File name PLEXTEK.172 PAGE 3 OF 136 QMF21 – 8: FCC PART 15 ISSUE 02: - APR 06 2. Summary of Test Results The Base station controller/ Base station Radio was tested to the following standards: - FCC Part 15C (effective date February 7, 2007); Class DSS Intentional Radiator Title Reference Results 1. Conducted Emissions FCC Part 15C §15.207 PASSED 2. Spurious Emissions (conducted and/or radiated) FCC Part 15C §15.205, §15.209 & §15.247(d) PASSED 3. Peak conducted power FCC Part 15C §15.247(b)(2) PASSED 4. Frequency Tolerance FCC Part 15C NOT APPLICABLE¹ 5. Dwell Time / Duty Cycle FCC Part 15C §15.247(a)(1)(i) PASSED 6. Power Spectral Density FCC Part 15C §15.247(e), §15.247(f) NOT APPLICABLE² 7. Modulation Bandwidth (20dB bandwidth) FCC Part 15C §15.215(c)(1)(i) PASSED 8. No. of hopping channels FCC Part 15C §15.247(a)(1)(i) PASSED 9. Carrier frequency separation FCC Part 15C §15.247(a)(1) PAS…

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Plextek Limited, London Road, Great Chesterford, Essex, CB10 1NY, UK Telephone: +44 (0)1799 533200 Fax: +44 (0)1799 533201 Website: http://www.plextek.com Email: [email protected] Electronics Design & Consultancy Registered Address London Road Great Chesterford Essex, CB10 1NY, UK Company Registration No. 2305889 VAT Registration No. GB 532 2188 67 Our ref: 6RC008 01 Date : 14 June, 2007 To whom it may concern, Declaration of Implementation of Change to ABSR Date of testing at RN Electronics: 18 th to 20 th April 2007 EUT: Base Station Radio ABSR1 serial number 6R508 FCC ID: U3R-ABSR During testing of this equipment, there was a failure of radiated emissions above 1GHz. The output power of the transmitter was reduced by 0.7dB by adjusting the DPL variable in the transmitter signal processing software to a value of 400. This reduced the level of the spur such that the EUT passed the test. This letter is to declare that this change will be implemented in all equipment which bears this FCC ID number. Yours faithfully, Mark Hunter Senior Project Consultant, Plextek Limited. TCB RFI Global Services Limited

File name PLEXTEK.172 PAGE 1 OF 136 QMF21 – 8: FCC PART 15 ISSUE 02: - APR 06 FCC Test Report For Plextek Base station controller with Base station Radio ABSR1 Report Number 04-172/3327/1/07 Report Produced by: - R.N. Electronics Ltd. 1 Arnolds Court Arnolds Farm Lane Mountnessing ESSEX CM13 1UT www.RNelectronics.com Telephone 01277 352219 Facsimile 01277 352968 EMC & RADIO TEST SERVICES S RN Electronics ©2004 RN ELECTRONICS LIMITED REPORT NUMBER 04-172/3327/1/07 ALL RIGHTS RESERVED File name PLEXTEK.172 PAGE 2 OF 136 QMF21 – 8: FCC PART 15 ISSUE 02: - APR 06 1. Contents 1. CONTENTS............................................................................................................................................ 2 2. SUMMARY OF TEST RESULTS............................................................................................................... 3 3. INFORMATION ABOUT EQUIPMENT UNDER TEST................................................................................ 4 4. SPECIFICATIONS.................................................................................................................................... 5 5. TESTS, METHODS AND RESULTS.......................................................................................................... 6 5.1 Conducted Emissions ............................................................................................................6 5.2 Radiated Emissions ............................................................................................................... 7 5.3 Peak conducted Power...........................................................................................................9 5.4 Frequency Tolerance ........................................................................................................... 10 5.5 Duty Cycle.......................................................................................................................... 11 5.6 Maximum Spectral Power Density ...................................................................................... 12 5.7 20dB Bandwidth..................................................................................................................13 5.8 Number of Hopping channels.............................................................................................. 14 5.9 Frequency Separation .......................................................................................................... 15 6. PLOTS AND RESULTS.......................................................................................................................... 16 6.1 Conducted Emissions .......................................................................................................... 16 6.2 Radiated Emissions .............................................................................................................24 6.3 Fundamental Emissions ..................................................................................................... 115 6.4 Duty Cycle......................................................................................................................... 116 6.5 Modulation Bandwidth ...................................................................................................... 117 6.6 Number of hopping channels............................................................................................. 120 6.7 Frequency Separation ........................................................................................................ 121 7 Explanatory Notes ............................................................................................................. 122 7.1 Explanation of FAIL LIMIT 1 Statement.......................................................................... 122 7.2 Explanation of limit line calculations for radiated measurements ..................................... 122 8. PHOTOGRAPHS.................................................................................................................................. 123 9. SIGNAL LEADS.................................................................................................................................. 132 10. TEST EQUIPMENT CALIBRATION LIST.............................................................................................. 133 11. AUXILIARY EQUIPMENT................................................................................................................... 134 11.1 Auxiliary equipment supplied by Plextek LTD................................................................. 134 11.2 Auxiliary equipment supplied by RN Electronics Limited................................................ 134 12. MODIFICATIONS...............................................................................................................................135 13. Compliance information................................................................................................. 136 ©2004 RN ELECTRONICS LIMITED REPORT NUMBER 04-172/3327/1/07 ALL RIGHTS RESERVED File name PLEXTEK.172 PAGE 3 OF 136 QMF21 – 8: FCC PART 15 ISSUE 02: - APR 06 2. Summary of Test Results The Base station controller/ Base station Radio was tested to the following standards: - FCC Part 15C (effective date February 7, 2007); Class DSS Intentional Radiator Title Reference Results 1. Conducted Emissions FCC Part 15C §15.207 PASSED 2. Spurious Emissions (conducted and/or radiated) FCC Part 15C §15.205, §15.209 & §15.247(d) PASSED 3. Peak conducted power FCC Part 15C §15.247(b)(2) PASSED 4. Frequency Tolerance FCC Part 15C NOT APPLICABLE¹ 5. Dwell Time / Duty Cycle FCC Part 15C §15.247(a)(1)(i) PASSED 6. Power Spectral Density FCC Part 15C §15.247(e), §15.247(f) NOT APPLICABLE² 7. Modulation Bandwidth (20dB bandwidth) FCC Part 15C §15.215(c)(1)(i) PASSED 8. No. of hopping channels FCC Part 15C §15.247(a)(1)(i) PASSED 9. Carrier frequency separation FCC Part 15C §15.247(a)(1) PAS…

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