FC3HDX064DMicrowave Downlink Transmitter

HDX-1100 Aircraft/Terrestrial High Power SD/HD Video Transmitter User and Technical Manual Manual Part No. 400609-1 Rev. XX - March 2011 PRELIMINARY COPY Copyright © 2010 Part number 400609-1 Printed in U.S.A. Authorized EU representative: Vislink PLC Quality Certification Vislink is certified to ISO 9001:2008. The Vislink trademark and other trademarks are registered trademarks in the United States and/or other countries. Microsoft®, Windows®, and Internet Explorer® are registered trademarks of Microsoft Corporation in the United States and/or other countries. Proprietary Material The information and design contained within this manual was originated by and is the property of Vislink. Vislink reserves all patent proprietary design, manufacturing, reproduction use, and sales rights thereto, and to any articles disclosed therein, except to the extent rights are expressly granted to others. The foregoing does not apply to vendor proprietary parts. Vislink has made every effort to ensure the accuracy of the material contained in this manual at the time of printing. As specifications, equipment, and this manual are subject to change without notice, Vislink assumes no responsibility or liability whatsoever for any errors or inaccuracies that may appear in this manual or for any decisions based on its use. This manual is supplied for information purposes only and should not be construed as a commitment by Vislink. The information in this manual remains the property of Vislink and may not be used, disclosed, or reproduced in any form whatsoever, without the prior written consent of Vislink. Vislink reserves the right to make changes to equipment and specifications of the product described in this manual at any time without notice and without obligation to notify any person of such changes. General Safety Information The following safety requirements, as well as local site requirements and regulations, must be observed by personnel operating and maintaining the equipment covered by this manual to ensure awareness of potential hazards. This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy. If not installed and used in accordance with the instruction manual, it may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. About this Manual This manual is intended for use by qualified operators, installers, and service personnel. Users of this manual should already be familiar with basic concepts of radio, video, and audio. For information about terms in this manual, see Glossary of Terms and Abbreviations (Part No. 400576-1). Pay special attention to Notes, Cautions, and Warnings. Read Notes for important information to assist you in using and maintaining the equipment. Follow CAUTIONS to prevent damage to the equipment. Follow WARNINGS to prevent personal injury or death. Symbols The following symbols may be on the equipment or in this manual: WARNING: General Warning. Risk of Danger. Frame or Chassis Ground: Identifies the frame or chassis terminal. WARNING: Risk of Electric Shock. Earth Ground: Identifies the earth ground terminal. CAUTION: Electrostatic Discharge. Possible Damage to Equipment. Fuse (either icon): Identifies fuses or their location. Protective Earth Ground: Identifies any terminal intended for connection to an external conductor for protection against elec- tric shock in case of a fault, or the terminal on a protective earth electrode. Waste Electrical and Electronic Equipment (WEEE): The product must not be disposed of with other waste. You must dispose of the waste equipment by handing it over to a desig- nated collection point for recycling. 101 Billerica Avenue, Building 6 North Billerica, MA 01862 USA +1-978-671-5700 1 1 About the HDX-1100 The Kamelyon TM HDX-1100 high power digital microwave transmitter is a ruggedized unit designed to support high quality video and data transmission in airborne and mobile applications, where vibration, shock, humidity, and temperature swings are everyday occurrences. The HDX-1100 is compliant with aircraft industry mounting standards, making it perfectly suited for airborne or ground based mobile platforms. Typical applications include real time video for law enforcement, public safety, fire, utility, and other agency based surveillance tasks. The HDX-1100 includes an H.264/MPEG-4 encoder that provides standard or high definition (SD or HD) video on DVB-T/ COFDM, or Vislink RangeMaster TM single carrier modulation. An MPEG-2 encoder option is available to support legacy receivers. Video inputs may be configured for composite NTSC or PAL in standard analog formats, or digital video in SDI, HD-SDI, or ASI formats. Other inputs include two full range audio channels, and an RS-232 data channel. The transmitter RF output is 8W in high power mode, and about 4 W in low power mode. The HDX-1100 may be operated via the touch screen user interface (see Section 4), however it is typically controlled by an optional aircraft remote panel (RCU) (see Section 5). Initial HDX-1100 programming and presets should be configured via PC using the integrated web browser utility (see Section 6). 2 Operating in Safety Guidelines for safe operation are derived from OET bulletin 65, August 1997, as recommended by the Federal Communications Commission (FCC). WARNING High levels of RF power are present in the unit. Exposure to RF or microwave power can cause burns and may be harmful to health. Remove power from the unit before disconnecting any RF cables and before inspecting damaged cables and/or anten…

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A Division of Vislink, Inc. Microwave Radio Communications 101 Billerica Avenue, Bldg 6 N. Billerica, MA 01862-1256 USA Tel: +1-978-671-5700 Fax: +1-978-671-5800 Web: www.mrcbroadcast.com August 10, 2011 Applicant: Microwave Radio Communication. 101 Billerica Avenue, Building 6 North Billerica, MA 01862 Tel. 978-671-5700 Attn: Sal Blatti, Compliance Manager FCC ID: FC3HDX064D FC3 HDX064D FRONT PANEL VIEW A Division of Vislink, Inc. FC3 HDX064D REAR VIEW

A Division of Vislink, Inc. Microwave Radio Communications 101 Billerica Avenue, Bldg 6 N. Billerica, MA 01862-1256 USA Tel: +1-978-671-5700 Fax: +1-978-671-5800 Web: www.mrcbroadcast.com August 10, 2011 Applicant: Microwave Radio Communication. 101 Billerica Avenue, Building 6 North Billerica, MA 01862 Tel. 978-671-5700 Attn: Sal Blatti, Compliance Manager FCC ID: FC3HDX064D HDX1100 FCC LABEL PHOTOS

A Division of Vislink, Inc. Microwave Radio Communications 101 Billerica Avenue, Bldg 6 N. Billerica, MA 01862-1256 USA Tel: +1-978-671-5700 Fax: +1-978-671-5800 Web: www.mrcbroadcast.com Modulator August 10, 2011 Applicant: Microwave Radio Communication. 101 Billerica Avenue, Building 6 North Billerica, MA 01862 Tel. 978-671-5700 Attn: Sal Blatti, Compliance Manager FCC ID: FC3HDX064D FC3 HDX064D INTERNAL VIEW A Division of Vislink, Inc. FC3 HDX064D INTERNAL VIEW

A Division of Vislink, Inc. Microwave Radio Communications 101 Billerica Avenue, Bldg 6 N. Billerica, MA 01862-1256 USA Tel: +1-978-671-5700 Fax: +1-978-671-5800 Web: www.mrcbroadcast.com August 10, 2011 Applicant: Microwave Radio Communication. 101 Billerica Avenue, Building 6 North Billerica, MA 01862 Tel. 978-671-5700 Attn: Sal Blatti, Compliance Manager FCC ID: FC3HDX064D Technical Description: The HDX1100 FC3HDX064D is a compact, mobile transmitter, designed to be adaptable to a wide range of field applications; particularly those requiring ruggedized, vehicular mounted equipment. The transmitter accepts a wide range of SMPTE based video input signals, including HD-SDI, SDI, ASI, and NTSC. Raw video, audio, and data are delivered to an integral MPEG-2 Encoder which feeds a COFDM-DVB-T modulator, operating in the 2K carrier mode, to produce a 1705 carrier spectrum. The I and Q outputs of the COFDM modulator are supplied directly to an RF generator and up- converted to the operating band from 6425 to 6525 MHz at an RF power level of +14dBm. A 25 dB gain RF amplifier follows the exciter to boost the final RF output power to + 39dBm (8.0 Watt). The exciter RF drive level is factory set to limit the RF output from the PA to 8.0 Watt or less. RF ExciterRF AMP Control & DC Distribution Front Panel MPEG2 Encoder & COFDM Modulator Video Switch RF Out 11 –32 VDC In Remote Panel/ RS‐232 Mgmt HDX1100 Functional Block Diagram Composite in SDI/HD‐SDI inI‐Q Web browser interface ASI Input A Division of Vislink, Inc. Figure 1 The specific operating frequency is determined by a high stability wide band VCO. The VCO set-up voltage is controlled by a microprocessor that is factory programmed to provide channel plans in accordance with the rules as specified in §74.602(h)(4)(i)(2)&(3), §78.18(b)(5), and §101.147(j)(2), (3), and (7). : FC3HDX064D/ HDX‐1100‐C3 6425 – 6525 MHz Channel Plan 6437.56462.56487.56512.5 6425 6450 6475 6500 6525 643864466430 Channel Plan: 8 MHz Channels Channel Plan: 25 MHz channels 646364716455648864966480651365216505 Table 1 - HDX-1100C3 Factory channel plan center frequencies Digital modulation of the COFDM carriers changes between QPSK, 16QAM, and 64QAM as determined by user bit rate requirements. The symbol rate is set to maintain the occupied bandwidth mask to be in compliance with the ETSI EN 300 744 V1.51 standards for either a 6 or 8 MHz COFDM pedestal as shown in the chart above, and to be in compliance with the emission bandwidth limits as required in § 74.637(a)(2)(i), 78.103(e), and 101.111(a)(2)(i). An LCD touch screen display located on the front panel of the transmitter is used to control basic transmission parameters and provide operational status of internal systems. The transmitter can also be operated from an external remote panel via hard wired RS-232 link. Additional information may be found in the HDX-1100 User and Technical Manual, included with this application.

Part 9000358, Rev. 6, TOP ASSY HDX-1100 C3 BAND 6.4 - 6.5GHz, PARTS LIST Line# ComponentRev DescriptionQty Units RoHS Production State 190000266HDX HOUSING1Each YesPrototype 290000274COVER HOUSING HDX1Each YesPrototype 390000191COVER SIDE HDX BOX1Each YesPrototype 490000284HEAT SINK FOLDED FIN HIGH POWER HDX1Each YesPrototype 590000293COVER HEATSINK1Each YesPrototype 690003622COVER PLATE RH PLENUM1Each YesPrototype 790003633COVER PLATE LH PLENUM1Each YesPrototype 890003642COVER PLATE TOP PLENUM1Each YesPrototype 990001723PWA HDX PWR BD, 400W,200W 12V1Each YesPrototype 1190006241THERMAL PAD 1.3 X 1.3 X .06"2Each YesPrototype 1390000522PWA CONTROLLER HDX11001Each YesPrototype 149001864ATOP ASSY HDT1000C31Each ?Production Ready 1590003781THERMAL GAP PAD .22THK HDT10001Each YesPrototype 1690003742KIT HDX STEALTH AMP 6.5 GHz WITH POWER CABLE1Each YesPrototype 1752710-33AATTEN,DC-8GHZ,SMA(M-F), 30DB,2W,+/-2DB1Each YesProduction Ready 1853701-130B1 DISPLAY,4.3 INCH1Each YesProduction Ready 19909485-1AGSKT,FRONT PANEL1Each NoProduction Ready 2052190-1AADPTR,STR,"N",SMA,4HOLE1Each YesProduction Ready 2258200-42ACB,THERMAL1Each YesProduction Ready 2352500-463AJ-HOOK2Each YesProduction Ready 2452901-30AFAN,FLTR,SCRN,60MM SQ,AL BLK,.6 TH2Each YesProduction Ready 2558444-27AGSKT,'U',NEOPRENE,3.54LG1Each YesProduction Ready 3190003662CABLE ASSY CONTROLLER POWER1Each YesPrototype 3290003671CABLE ASSY HDT POWER1Each YesPrototype 3390003681CABLE ASSY FAN POWER2Each YesPrototype 3490003691CABLE ASSY FRONT DISPLAY1Each YesPrototype 3590003702CABLE ASSY HDT 21 PIN1Each YesPrototype 3690003714CABLE ASSY MAIN INPUT 26 PIN1Each YesPrototype 38906716-14DCA,ASSY,14",FLEX,SMA,M-M1Each NoProduction Ready 39906716-6DCA,ASSY,6",FLEX,SMA,M-M1Each NoProduction Ready 4088353-6ATBG,SHRINK,1/4" DIA ROHS COMPLIANT0.2 Feet YesProduction Ready 5152800-93ASCR,PAN HD,10-14 X 1/2 LG, SST,SELF-TAPPING,ZINC,BLK8Each YesProduction Ready 529000621ASCR FLT HD 6-32 X 1/4 SST UNDERCUT BLACK38 Each YesProduction Ready 5388424-3ASCR,PAN HD 4-40X3/8 SST4Each YesProduction Ready 5488426-3LFASCR,PAN HD 6-32X3/8 PHL SST LOCK/FLAT3Each YesProduction Ready 5588424-90LF ASCR,PAN HD 4-40X5/16 SST LCK/FLT,.230DX.025THK27 Each YesProduction Ready 5688424-8LFASCR,PAN HD 4-40X7/8 PHL SST LCK/FLT,.230DX.025THK8Each YesProduction Ready 5988424-7LFASCR,PAN HD 4-40X3/4 SST LCK/FLT,.230DX.025THK8Each NoProduction Ready 6188481-2AWSHR,LOCK #2 SST REF:8014124Each YesProduction Ready 6388480-17AWSHR,FLAT #2 SST .175ODX.093IDX.020THK4Each YesProduction Ready 6652500-386ANUT,HEX,KEP,4-40,SST10 Each YesProduction Ready 6788460-2ANUT,HEX 2-56 SST4Each YesProduction Ready 6952090-95ASTDF,(F),1/8"HEX,1/4'LONG,2-56 TOP4Each YesProduction Ready 70FW00216A1 FW,FRNT PNL BD,FOR HDX10001Each NoProduction Ready 90908323-1DLBL,FCC,PART 15 & 742Each YesProduction Ready 91900697-1TLBL,RADIO DATA2Each NoProduction Ready End of Parts List. 46 components found. Generated by PDM on Tue Aug 09, 2011, 08:51:48 (EST) Page 1 of 1Part 9000358 8/9/2011http://pdm.vislink.com/parts/printedpart.aspx?part=9000358&pen ...

PAGE 1 OF 31 VISLINK – APPLICALTION FOR CERTIFICATION – FC3HDX044D TEST REPORT MOBILE MICROWAVE VIDEO TRANMITTER FCC ID: FC3HDX064D MODEL: HDX-1100C3 APPLICANT: VISLINK, Inc. June 30, 2011 PAGE 2 OF 31 VISLINK – APPLICALTION FOR CERTIFICATION – FC3HDX044D TABLE OF CONTENTS Section 1 INTRODUCTION 3-6 APPLICATION 4 TECHNICAL DATA SUMMARY 5 TECHNICAL DISCRIPTION EMISSIONS DESIGNATORS 6 Section 2 MEASUREMENTS 6 RF Power Output – 2.1046 Modulation Characteristics – 2.1047 Occupied Bandwidth – 2.1049 Spurious Emissions at Antenna Terminals – 2.1051 Field Strength of Spurious Radiation – 2.1053 Frequency Stability – 2.1055 Section 3 QUALITY DECLARATION 15 NQA CERTIFICATE Fig.2 Section 4 TRANSMITTER DESCRIPTION 16 PHOTOS Section 5 TEST STATION SETUP 21 PHOTOS Section 6 MPE CALCULATIONS 24 Section 7 RADIATION HAZARD WARNING 26 Section 8 TEST FACILITIES AND COMPLIANCE DIRECTIVE 27 APPENDIX A – RADIO CHARACTERISTICS APPENDIX B – FCC LABEL LOCATION APPENDIX C - PARKER CHROMERICS EMC REPORT OF MEASUREMENTS PAGE 3 OF 31 VISLINK – APPLICALTION FOR CERTIFICATION – FC3HDX044D SECTION 1 INTRODUCTION GENERAL INFORMATION – 2.1033 Applicant: Vislink, Inc. 101 Billerica Avenue, Building 6 North Billerica, MA 01862 Tel. 978-671-5700 Attn: Sal Blatti, Compliance Manager FCC ID: FC3HDX064D Installation and Operating Manual: HDX-1100 User and Technical Manual attached Equipment Description: Mobile Video Transmitter – see below Block Diagram: See Technical Description, below Equipment model: HDX-1100C3 Frequency Range: 6425 – 6525 MHz FCC Part numbers: § 74; subpart F: 74.602(h)(4)(i)(1), (2), and (3). § 78; subpart D, 78.101, 78.102, 78.104, 78.111 §101; subpart H: 101.601 & 101.602 Rated RF Power: 8.0 Watts (+39 dBm) Frequency Tolerance: 0.0005 % Emission Designators: 8M00D7W, 10M0D7W The data provided in this document will show that the Vislink/Microwave Radio Communications HDX1100C3 transmitter is in compliance with 47 CFR Parts 74, 78, and 101 for use by eligible Broadcast Auxiliary, CARS, and Private Operational Fixed Point-to-Point Radio Service licensees in the 6425 – 6525 MHz mobile band as provided for in the relevant FCC part number referenced above. Radiated emission tests were conducted by Intertek Testing Services in their laboratory facility in Boxborough, MA, while the part 74, 78, 101 emission testing was conducted in the Vislink/Microwave Radio Communications facility in North Billerica, MA. The HDX1100C3 was designed to comply with applicable technical regulations of § 74 subpart F, § 78 subpart D, and §101 subpart H, for the transmission of video, audio, and data by a mobile transmitter. Typical applications may include surveillance, command center operations, emergency restoration, broadcast remote and news gathering, cable TV remote and news gathering, or other video, voice and data requirements as deemed necessary and appropriate for a specific task assignment. Technical Description: The HDX1100 FC3HDX064D is a compact, mobile transmitter, designed to be adaptable to a wide range of field applications; particularly those requiring ruggedized, vehicular mounted equipment. The transmitter accepts a wide range of SMPTE based video input signals, including HD-SDI, SDI, ASI, and NTSC. Raw video, audio, and data are delivered to an integral MPEG-2 Encoder which feeds a COFDM-DVB-T modulator, operating in the 2K carrier mode, to produce a 1705 carrier spectrum. The I and Q outputs of the COFDM modulator are supplied directly to an RF generator and up-converted to the operating band from 6425 to 6525 MHz at an RF power level of +14dBm. A 25 dB gain RF amplifier follows the exciter to boost the final RF output power to + 39dBm (8.0 Watt). The exciter RF drive level is factory set to limit the RF output from the PA to 8.0 Watt or less. PAGE 4 OF 31 VISLINK – APPLICALTION FOR CERTIFICATION – FC3HDX044D RF ExciterRF AMP Control & DC Distribution Front Panel MPEG2 Encoder & COFDM Modulator Video Switch RF Out 11 –32 VDC In Remote Panel/ RS‐232 Mgmt HDX1100 Functional Block Diagram Composite in SDI/HD‐SDI inI‐Q Web browser interface ASI Input Figure 1 The specific operating frequency is determined by a high stability wide band VCO. The VCO set-up voltage is controlled by a microprocessor that is factory programmed to provide channel plans in accordance with the rules as specified in §74.602(h)(4)(i)(2)&(3), §78.18(b)(5), and §101.147(j)(2), (3), and (7). : FC3HDX064D/ HDX‐1100‐C3 6425 – 6525 MHz Channel Plan 6437.56462.56487.56512.5 6425 6450 6475 6500 6525 643864466430 Channel Plan: 8 MHz Channels Channel Plan: 25 MHz channels 646364716455648864966480651365216505 PAGE 5 OF 31 VISLINK – APPLICALTION FOR CERTIFICATION – FC3HDX044D Band6.5 GHz Limits6425-6525 CHANNELCH CTR CH width Ch 164308 Ch 264388 Ch 364468 Ch 464558 Ch 564638 Ch 664718 Ch 764808 Ch 864888 Ch 964968 Ch 1065058 Ch 1165138 Ch 1265218 Ch 136437.525 Ch 146462.525 Ch 156487.525 Ch 166512.525 Table 1 - HDX-1100C3 Factory channel plan center frequencies Digital modulation of the COFDM carriers changes between QPSK, 16QAM, and 64QAM as determined by user bit rate requirements. The symbol rate is set to maintain the occupied bandwidth mask to be in compliance with the ETSI EN 300 744 V1.51 standards for either a 6 or 8 MHz COFDM pedestal as shown in the chart above, and to be in compliance with the emission bandwidth limits as required in § 74.637(a)(2)(i), 78.103(e), and 101.111(a)(2)(i). An LCD touch screen display located on the front panel of the transmitter is used to control basic transmission parameters and provide operational status of internal systems. The transmitter can also be operated from an external remote panel via hard wired RS-232 link. Additional information may be found in the HDX-1100 User and Technical Manual, included with this application. PAGE 6 OF 31 VISLINK – APPLICALTION FOR CERTIFICATION – FC3HDX044D SECTION 2 - MEASUREMENTS TECHNICAL DATA SUMMARY Frequency band: Operating frequency range is 6425 – 6525 MHz Modulati…

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Page 1 of 7 This report is for the exclusive use of Intertek’s Client and is provided pursuant to the agreement between Intertek and its Client. Intertek’s responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only the sample tested. This report by itself does not imply that the material, product or service is or has ever been under an Intertek certification program. This report must not be used to claim product endorsement by A2LA, NIST nor any other agency of the U.S. Government. Intertek Testing Services NA, Inc. 70 Codman Hill Road, Boxborough, MA 01719 Telephone: 978-263-2662 Fax: 978-263-7086 Web: www.intertek-etlsemko.com SD 12.1.2 (8/17/07) Informative April 15, 2011 Letter Report No. 100371377BOX-001 Project No. G100371377 Scott Blatti Ph: (978) 671-5746 Microwave Radio Communications 101 Billerica Avenue, Bldg 6 email: [email protected] North Billerica, MA 01862 Subject: Radiated Emissions Testing Of The HDX1100C3 Dear Mr. Blatti, On 12 April 2011, we evaluated the HDX1100C3 transmitter for radiated emissions as required by FCC 47CFR Part 15 subpart B from 30 to 16000 MHz. The results of the emissions testing are attached. The HDX1100C3 Transmitter met the Class A requirements for unintentional radiators from 30 to 16GHz without modification. Please note that the fundamental at 6.428GHz is exempt from the Class A restrictions. This investigation was authorized by signed proposal # 500296020, dated 03/28/2011. This letter report completes our evaluation covered by Intertek Project No. G100371377. If there are any questions regarding the results contained in this report, or any of the other services offered by Intertek, please do not hesitate to contact the undersigned. Please note; this Letter Report does not represent authorization for the use of any Intertek certification marks. Completed by: Michael Houston Reviewed by: Jeff Goulet Title: Senior Project Engineer Title: Engineering Team Leader, EMC Signature: Signature Date April 15, 2011 Date: 04/25/11 Microwave Radio Communications Page 2 of 7 Letter Report 100371377BOX-001 April 15, 2011 SD 12.1.2 (8/17/07) Informative Test Information Test Details User Input Project: Microwave Radio Comm. HDX1100C3 Test Notes: Horizontal Tested by: M.Houston Test Started: Apr 12 2011 09 : 37 Apr 12 2011 09 : 37 Project: Microwave Radio Comm. HDX1100C3 Tested by: M.Houston Test Notes: Horizontal 30M 100M1G Frequency (Hz) -50 -34 -18 -2 14 30 46 62 78 94 110 Level (dBuV/m) FCC Part 15 Class A Radiated Emissions @10m Measured Peak Value Measured Quasi Peak Value Measured Average Value Maximum Value of Mast and Turntable Level (dBuV/m) = AF + CL + PA + Raw AF = Antenna Factor CL = Cable Losses PA = Pre-Amplifier Raw = Raw Instrument Reading (Not listed on Spot Tables) Measured: QP Frequency (Hz) Level* (dBuV/m) AF PA+CL Limit (dBuV/m) Margin (dBuV/m) Angle (Deg) Mast Height (m) RBW (Hz) 56.532576192 M 12.13 7.253 -26.162 39.00 -26.87 197 2.26 120 k 126.068848766 M 16.68 13.979 -25.595 43.50 -26.82 259 3.93 120 k 251.132309098 M 20.82 11.500 -24.820 46.50 -25.68 302 3.36 120 k 399.049053625 M 26.72 15.562 -24.401 46.50 -19.78 103 2.72 120 k 639.971476222 M 26.95 19.699 -24.410 46.50 -19.55 47 1.33 120 k Microwave Radio Communications Page 3 of 7 Letter Report 100371377BOX-001 April 15, 2011 SD 12.1.2 (8/17/07) Informative Test Information Test Details User Input Project: Microwave Radio Comm. HDX1100C3 Test Notes: Horizontal 1-6G Tested by: M.Houston Test Started: Apr 12 2011 10 : 51 Apr 12 2011 10 : 51 Project: Microwave Radio Comm. HDX1100C3 Tested by: M.Houston Test Notes: Horizontal 1-6G 1G2G3G4G5G6G Frequency (Hz) -50 -34 -18 -2 14 30 46 62 78 94 110 Level (dBuV/m) FCC Part 15 Class A Radiated Emissions @3m AVG FCC Part 15 Class A Radiated Emissions @3m PK FCC Part 15 Class A Radiated Emissions @3m QP Measured Peak Value Measured Quasi Peak Value Measured Average Value Maximum Value of Mast and Turntable Level (dBuV/m) = AF + CL + PA + Raw AF = Antenna Factor CL = Cable Losses PA = Pre-Amplifier Raw = Raw Instrument Reading (Not listed on Spot Tables) Measured: AVERAGE Frequency (Hz) Level* (dBuV/m) AF PA+CL Limit (dBuV/m) Margin (dBuV/m) Angle (Deg) Mast Height (m) RBW (Hz) 1.267128479 G 36.79 25.701 -29.759 60.00 -23.21 12 1.92 1 M 5.295966155 G 32.92 33.724 -26.196 60.00 -27.08 111 1.98 1 M Microwave Radio Communications Page 4 of 7 Letter Report 100371377BOX-001 April 15, 2011 SD 12.1.2 (8/17/07) Informative Test Information Test Details User Input Project: Microwave Radio Comm. HDX1100C3 Test Notes: Horizontal 6-16G Tested by: M.Houston Test Started: Apr 12 2011 11 : 06 Apr 12 2011 11 : 06 Project: Microwave Radio Comm. HDX1100C3 Tested by: M.Houston Test Notes: Horizontal 6-16G 6G7G8G9G10G16G Frequency (Hz) -50 -34 -18 -2 14 30 46 62 78 94 110 Level (dBuV/m) FCC Part 15 Class A Radiated Emissions @3m AVG FCC Part 15 Class A Radiated Emissions @3m PK FCC Part 15 Class A Radiated Emissions @3m QP Measured Peak Value Measured Quasi Peak Value Measured Average Value Maximum Value of Mast and Turntable Level (dBuV/m) = AF + CL + PA + Raw AF = Antenna Factor CL = Cable Losses PA = Pre-Amplifier Raw = Raw Instrument Reading (Not listed on Spot Tables) Measured: AVERAGE Frequency (Hz) Level* (dBuV/m) AF PA+CL Limit (dBuV/m) Margin (dBuV/m) Angle (Deg) Mast Height (m) RBW (Hz) 6.428253396 G 78.45 34.208 -25.604 60.00 18.45 336 1.20 1 M 7.216473391 G 40.90 35.952 -25.046 60.00 -19.10 211 2.04 1 M 11.…

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