2AY36-FF5GAAS001BCFreeStar5G Advanced Antenna System

28 GHz 5G Advanced Antenna System (AAS) Users Guide © 2021 ED2 Corporation. All rights reserved. Page 1 28 GHz 5G Advanced Antenna System Users Guide ED2 Corporation FreeStar5G AAS User’s Guide Version 0.2 28 GHz 5G Advanced Antenna System (AAS) Users Guide © 2021 ED2 Corporation. All rights reserved. Page 2 Contents 1 Safety and Certification Notices............................................................................................................ 5 1.1 Federal Communication Commission Interference Statement .................................................... 5 1.2 RF Exposure Statement ................................................................................................................. 6 2 System Overview................................................................................................................................... 7 2.1 System Architecture ...................................................................................................................... 7 2.2 Switch Matrix Assembly ................................................................................................................ 8 2.3 Stack Assemblies ......................................................................................................................... 10 2.4 System Level Considerations ...................................................................................................... 11 3 System Components ........................................................................................................................... 12 3.1 Unboxing Information ................................................................................................................. 12 3.2 Pictures of Everything in the Box ................................................................................................ 13 4 Control Graphical User Interface (GUI) Panel ..................................................................................... 13 4.1.1 Network Interface Setup ..................................................................................................... 14 4.1.2 Initial Configuration ............................................................................................................ 15 4.1.3 Energizing Transmit Paths ................................................................................................... 16 5 Controlling the Advanced Antenna System ........................................................................................ 16 5.1 Turning On & Off Unit ................................................................................................................. 17 5.2 Setup Guide ................................................................................................................................. 17 6 Antenna System Interfaces ................................................................................................................. 18 6.1 Accessing the System Interfaces ................................................................................................. 18 6.2 Connecting the Stack to the base ............................................................................................... 19 6.3 Accessing the Antenna Ports for Direct Connection Testing ...................................................... 21 6.4 Antenna System Signal Level and Frequency Limitations ........................................................... 21 6.4.1 Advanced Antenna System Frequency limitations ............................................................. 21 6.4.2 Advanced Antenna System Input Signal Level Limitations ................................................. 22 7 Product Specifications ......................................................................................................................... 22 7.1 AAS Dimensions – Radome Installed .......................................................................................... 23 7.2 AAS Dimensions Without Radome .............................................................................................. 24 7.3 AAS Weight ................................................................................................................................. 24 8 System Specifications .......................................................................................................................... 25 9 Appendix ............................................................................................................................................. 25 Rohde & Shwarz SWM200A Test Equipment 5G Waveform Setup ........................................................ 25 28 GHz 5G Advanced Antenna System (AAS) Users Guide © 2021 ED2 Corporation. All rights reserved. Page 3 28 GHz 5G Advanced Antenna System (AAS) Users Guide © 2021 ED2 Corporation. All rights reserved. Page 4 LIST OF FIGURES Figure 2-1 FreeStar5G AAS Functional Block Diagram .................................................................................. 8 Figure 2-2 Switch Matrix Radio RF Distribution ............................................................................................ 9 Figure 2-3 Switch Matrix and Stack Control Block Diagram ....................................................................... 10 Figure 2-4 Simplified Stack Assembly RF Block Diagram ............................................................................ 11 Figure 2-5 80-Bit Word Definition ............................................................................................................... 12 28 GHz 5G Advanced Antenna System (AAS) Users Guide © 2021 ED2 Corporation. All rights reserved. Page 5 1Safety and Certification Notices 1.1Federal Communication Commission Interference Statement This device complies with Part 30 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this…

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Federal Communications Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21048 Date: 6/25/2021 Subject: Request for Short Term Confidentiality FCC-ID: 2AY36-FF5GAAS001BC To Whom It May Concern: In accordance with §0.457(d) and §0.459 of CFR 47, FreeFall 5G, Inc. herebyrequests short term confidentiality for documents filed under the following exhibit types: 1.External Photographs 2.Internal Photographs 3.User / Instruction Manual 4.Test Set-up Photographs until the product will be publicly announced. Short term confidentiality release date / period: 180 days These items contain detailed system and equipment description and related information about the product which FreeFall 5G, Inc. considers to be proprietary, confidential and a custom design which otherwise would not be released to the general public. Since this design is a basis from which future technological products will evolve, FreeFall 5G, Inc. also feels that this information would be of benefit to its competitors, and that the disclosure of the information in these exhibits would give our competitors an unfair advantage in the market. We are informed and aware of our obligation that we have to inform the involved TCB in written and in due time if we intend to market the product prior to the above specified confidentiality release date so that the short term confidentiality classification can be reset prior to product launch. We are aware that exhibit types cover letters, attestations, label document, test reports, RF exposure information (SAR and MPE reports), cannot be requested to be classified confidential and are thus subject to publication, as will be documents of all other exhibits types for which we have not requested a confidentiality classification. Best Regards, Signature Name: Alex Rodriguez Title: President & Chief Executive Officer Company Name: FreeFall 5G, Inc. Address: 3252 East Fort Lowell Road, Tucson, AZ 85719

Federal Communications Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21048 Date: 6/25/2021 Subject: Request for Permanent Confidentiality FCC ID: 2AY36-FF5GAAS001BC To Whom It May Concern: In accordance with §0.457(d) and §0.459 of CFR 47, and KDB 726920, FreeFall 5G, Inc. hereby requests permanent confidentiality for documents filed under the following exhibit types: 1.Block Diagram 2.Schematic Diagram 3.Part List 4.Operational Description These items contain detailed system and equipment description and related information about the product which FreeFall 5G, Inc. considers to be proprietary, confidential and a custom design which otherwise would not be released to the general public. Since this design is a basis from which future technological products will evolve, FreeFall 5G, Inc. also feels that this information would be of benefit to its competitors, and that the disclosure of the information in these exhibits would give our competitors an unfair advantage in the market. We are aware that exhibit types cover letters, attestations, label document, test reports, RF exposure information (SAR and MPE reports), cannot be requested to be classified confidential and are thus subject to publication, as will be documents of all other exhibits types for which we have not requested a confidentiality classification. Best Regards, Name: Alex Rodriguez Title: President & Chief Executive Officer Company Name: FreeFall 5G, Inc. Address: 3252 East Fort Lowell Road, Tucson, AZ 85716

Designs and Develops 5G Wireless Solutions Electronic Design and Development Corporation (ED2) FreeStar II Antenna System Pictures May 25, 2021 ED2 PROPRIETARY Orientation TOP BOTTOM ED2 PROPRIETARY Isometric Overall Product View ED2 PROPRIETARY Bottom Product View ED2 PROPRIETARY Inside Bottom Product View ED2 PROPRIETARY Inside Bottom Product View ED2 PROPRIETARY Bottom Inside Under Metal Switch Matrix Cover ED2 PROPRIETARY CCA without Faraday Shield ED2 PROPRIETARY CCA Faraday Shield (Exterior and Interior) ED2 PROPRIETARY Antenna Rod with PCB attach PCB Antenna Rod Connector interface Bullet adapter not shown

FCC ID: 2AY36-FF5GAAS001BC WARNING: This is NOTa CONSUMER device.It is designed for installation by FCC LICENSEES and QUALIFIED INSTALLERS. You MUSThave an FCC LICENSEor express consent of an FCC Licensee to operate this device. Unauthorized use may result in significant forfeiture penalties, including penalties in excess of $100,000 for each continuing violation FreeFall 5G Inc. Confidential RevDescriptionDateApprove ANew ReleaseJuly 7, 2021Alex Rodriguez Notes: 1. Material: PET t=0.075 2. Color: PMS Cool Grey 5C FreeFall 5G Inc. 3525 E Fort Lowell Rd Tucson, AZ 85716 Title: Label, FCC Warning RevDescriptionDateSize: LtrRev: A ANew ReleaseJuly 7, 2021Scale: 1:1Sheet 1 of 1 29.6 2 2 . 7 FreeStar5G Confidential RevDescriptionDateApprove ANew ReleaseJuly 7, 2021Alex Rodriguez FreeFall 5G Inc. 3525 E Fort Lowell Rd Tucson, AZ 85716 Title: Label, Product RevDescriptionDateSize: LtrRev: A ANew ReleaseJuly 7, 2021Scale: 1:1Sheet 1 of 1 88.9 3 8 . 1 Model Number: FF5GAAS001BC S/N: 123456789ABC Date Code: 03012021-01 H/W Ver: V01 BARREL CACTUS

Designs and Develops 5G Wireless Solutions Electronic Design and Development Corporation (ED2) FreeStar II Antenna System Pictures May 25, 2021 ED2 PROPRIETARY Orientation TOP BOTTOM ED2 PROPRIETARY Isometric Overall Product View ED2 PROPRIETARY Bottom Product View ED2 PROPRIETARY Inside Bottom Product View ED2 PROPRIETARY Bottom Inside Under Metal Switch Matrix Cover ED2 PROPRIETARY CCA without Faraday Shield * No components on backside ED2 PROPRIETARY CCA Faraday Shield (Exterior and Interior) ED2 PROPRIETARY Antenna Rod with PCB attach PCB Antenna Rod Connector interface Bullet adapter not shown

Radio Frequency Exposure Evaluation Report For: FreeFall 5G, Inc. Model Name: FF5GAAS001BC Product Description: FreeStar5G Advanced Antenna System FCC ID: 2AY36-FF5GAAS001BC Per: CFR Part Part1 (1.1307 &1.1310), Part 2 (2.1091), FCC KDB 447498 D01 General RF Exposure Guidance v06 Report number: EMC_FREEF-002-21001_FCC_MPE_Rev2 DATE: 2021-09-09 CETECOM Inc. 411 Dixon Landing Road  Milpitas, CA 95035  U.S.A. Phone: + 1 (408) 586 6200  Fax: + 1 (408) 586 6299  E-mail: [email protected]  http://www.cetecom.com CETECOM Inc. is a Delaware Corporation with Corporation number: 2905571 © Copyright by CETECOM Test Report #: EMC_FREEF-002-21001_FCC_MPE_Rev2 FCC ID: 2AY36-FF5GAAS001BC Date of Report 2021-09-09 Page 2 of 7 Page 2 of 7 1 Assessment This RF Exposure evaluation report provides evidence for compliance of the below identified device with the RF Exposure limits for mobile devices as defined in FCC CFR Part 1 (1.1307 &1.1310), Part 2 (2.1091) under worst case conditions (measured or rated RF output power, antenna gain, distance towards human body, multiple transmitter information as presented by the applicant). In addition, maximum antenna gain or minimum distance towards the human body is calculated respectively, where relevant. The device meets the limits as stipulated by the above given FCC rule parts based on available specifications for worst case conditions at 38cm distance to the body. Company Description Model # FreeFall 5G, Inc. FreeStar5G Advanced Antenna System FF5GAAS001BC Report reviewed by: TCB Evaluator 2021-09-09 Compliance Kevin Wang (Lab Manager) Date Section Name Signature Responsible for the Report: 2021-09-09 Compliance Yuchan Lu (EMC Engineer) Date Section Name Signature Test Report #: EMC_FREEF-002-21001_FCC_MPE_Rev2 FCC ID: 2AY36-FF5GAAS001BC Date of Report 2021-09-09 Page 3 of 7 Page 3 of 7 2 Administrative Data 2.1 Identification of the Testing Laboratory Issuing the Test Report Company Name: CETECOM Inc. Department: Compliance Street Address: 411 Dixon Landing Road City/Zip Code Milpitas, CA 95035 Country USA Telephone: +1 (408) 586 6200 Fax: +1 (408) 586 6299 Lab Manager: Kevin Wang Responsible Project Leader: Akanksha Baskaran 2.2 Identification of the Client / Manufacturer Client’s Name: FreeFall 5G, Inc. Street Address: 3525 E. Fort Lowell Road City/Zip Code Tucson, Arizona / 85716 Country United States Identification of the Manufacturer Manufacturer’s Name: ED2 Corporation Manufacturers Address: 7636 N. Oracle Road City/Zip Code Tucson, Arizona / 85704 Country United States Test Report #: EMC_FREEF-002-21001_FCC_MPE_Rev2 FCC ID: 2AY36-FF5GAAS001BC Date of Report 2021-09-09 Page 4 of 7 Page 4 of 7 3 Equipment under Assessment Model No: FF5GAAS001BC HW Version : Version 1.0 SW Version : Version 1.0 Regulatory Band: 5G n261 band: 27.5 - 28.35 GHz Antenna Type: Maximum Gain: 18 dBi Maximum EIRP Density: Average measurement: 41.14 dBm/100MHz Power Supply/ Rated Operating Voltage Range: Vnom: 120 VAC Operating Temperature Range: -40ºC to 55 ºC Sample Revision: Prototype Unit; Production Unit; Pre-Production Test Report #: EMC_FREEF-002-21001_FCC_MPE_Rev2 FCC ID: 2AY36-FF5GAAS001BC Date of Report 2021-09-09 Page 5 of 7 Page 5 of 7 4 RF Exposure Limits and FCC and IC Basic Rules For the specific described radio apparatus the following basic limits and rules apply for both, FCC and IC where not indicated differently. 4.1 Power Density Limits acc. to FCC 1.1310(e) / RSS-102 i5, cl. 4: FCC Frequency Range (MHz) Power density (mW/cm 2 ) Averaging time (minutes) 300 – 1500 f (MHz) /1500 30 1500 – 100000 1.0 30 IC 300 – 6000 0.02619 x f (MHz) 0.6834 6 4.2 Routine Environmental Evaluation Categorical Exclusion Limits acc. to FCC 2.1091(c) / RSS-102, cl. 2.5 (rounded to 1 decimal point): FCC operating frequency < 1.5GHz: excluded if ERP < 1.5W / 31.8dBm (EIRP: 33.9 dBm); operating frequency > 1.5GHz: excluded if ERP < 3.0W / 34.8dBm (EIRP: 36.9 dBm); IC 300MHz < = operating frequency < 6 GHz: excluded if EIRP < 0.0131 x f (MHz) 0.6834 W 4.3 RF Exposure Estimation (MPE Estimation) Having available the source based average output power and peak antenna gain or the ERP/EIRP of the specified device and for a known minimum distance of its radiating structures from the body of persons according to its use cases (at least 20cm) the power density at that distance can be estimated by the following formula for plane-wave equivalent conditions (far-field conditions), when ground reflection is neglected. 2 4R PG S   where: S = power density (mW/cm 2 or W/m 2 ) P = power input to the antenna (mW or W) G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna (cm or m) Test Report #: EMC_FREEF-002-21001_FCC_MPE_Rev2 FCC ID: 2AY36-FF5GAAS001BC Date of Report 2021-09-09 Page 6 of 7 Page 6 of 7 5 Evaluations 5.1 Analysis of RF Exposure for stand-alone transmission  Evaluations are based on worst case power density limits for FCC.  Calculations are made for 38cm.  Evaluations are based on EIRP measured.  Only one single antenna is evaluated. Radio Freq [MHz] EIRP [dBm] EIRP [W] FCC LImit [W/m2] Actual [W/m2] 2 5G n261 27500 41.14 13 10 7.16 5.2 Analysis of RF Exposure for simultaneous transmission  Evaluations are based on worst case power density limits for FCC.  Calculations are made for 38cm.  Evaluations are based on EIRP measured.  Adjacent Antenna (on the same blade or on the adjacent blade) contribution are added. Radio Freq [MHz] EIRP [dBm] EIRP [W] FCC LImit [W/m2] Actual [W/m2] 2 5G n261 27500 42.33 17.10 10 9.42 Note：Based on the Antenna Gain Plot, the contribution from an Adjacent Antenna will be 41.89-12 = 29.14dBm, which is 0.82W. And conservatively accounting for 5 Adjacent Antenna, then the EIRP will be 13+5*0.82 = 17.1W. 5.3 Conclusion: The equipment is passing RF exposure requirements for 38cm distance. Test Report #: EMC_FREEF-002-21001_FCC_MPE_Rev2 FCC ID: 2AY36-FF5GA…

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A2LA Accredited IC recognized # 3462B-1 CETECOM Inc. 411 Dixon Landing Road  Milpitas, CA 95035  U.S.A. Phone: + 1 (408) 586 6200  Fax: + 1 (408) 586 6299  E-mail: [email protected]  http://www.cetecom.com CETECOM Inc. is a Delaware Corporation with Corporation number: 2905571 © Copyright by CETECOM FCC / ISED Test Report For: FreeFall 5G, Inc. Model Name: FF5GAAS001BC Product Description: FreeStar5G Advanced Antenna System FCC ID: 2AY36- FF5GAAS001BC Applied Rules and Standards: 47 CFR Part 30 REPORT #: EMC_FREEF-002-21001_FCC_30_Rev2 DATE: 2021-09-09 Test Report #: EMC_FREEF-002-21001_FCC_30_Rev2 FCC ID: 2AY36- FF5GAAS001BC Date of Report 2021-09-09 Page 2 of 102 TABLE OF CONTENTS 1 ASSESSMENT .............................................................................................................................................................. 3 2 ADMINISTRATIVE DATA ............................................................................................................................................... 4 2.1 IDENTIFICATION OF THE TESTING LABORATORY ISSUING THE EMC TEST REPORT ........................................................................... 4 2.2 IDENTIFICATION OF THE CLIENT ............................................................................................................................................. 4 2.3 IDENTIFICATION OF THE MANUFACTURER ................................................................................................................................. 4 3 EQUIPMENT UNDER TEST (EUT) ................................................................................................................................... 5 3.1 EUT SPECIFICATIONS ......................................................................................................................................................... 5 3.2 EUT SAMPLE DETAILS ......................................................................................................................................................... 5 3.3 ACCESSORY EQUIPMENT (AE) DETAILS ................................................................................................................................... 5 3.4 TEST SAMPLE CONFIGURATION ............................................................................................................................................. 6 3.5 JUSTIFICATION FOR WORST CASE MODE OF OPERATION ............................................................................................................ 6 4 SUBJECT OF INVESTIGATION ...................................................................................................................................... 9 5 MEASUREMENT RESULTS SUMMARY .......................................................................................................................... 9 5.1 TEST SPECIFICATION RESULTS SUMMARY TABLE...................................................................................................................... 9 5.2 EMISSIONS SUMMARY ......................................................................................................................................................... 9 5.3 MEASUREMENT UNCERTAINTY ............................................................................................................................................ 10 5.4 ENVIRONMENTAL CONDITIONS DURING TESTING: .................................................................................................................... 10 5.5 DATES OF TESTING: .......................................................................................................................................................... 10 6 MEASUREMENT PROCEDURES .................................................................................................................................. 11 6.1 RADIATED MEASUREMENT .................................................................................................................................................. 11 6.2 RF CONDUCTED MEASUREMENT PROCEDURE ....................................................................................................................... 13 7 TEST RESULT DATA .................................................................................................................................................. 14 7.1 FREQUENCY STABILITY ...................................................................................................................................................... 14 7.2 E.I.R.P DENSITY .............................................................................................................................................................. 16 7.3 99% OCCUPIED BANDWIDTH .............................................................................................................................................. 28 7.4 BAND EDGE COMPLIANCE .................................................................................................................................................. 36 7.5 RADIATED TRANSMITTER SPURIOUS EMISSIONS ..................................................................................................................... 42 8 TEST SETUP PHOTOS .............................................................................................................................................. 101 9 TEST EQUIPMENT AND ANCILLARIES USED FOR TESTING ....................................................................................... 101 10 HISTORY ................................................................................................................................................................. 102 Test Report #: EMC_FREEF-002-21001_FCC_30_Rev2 FCC ID: 2AY36- FF5GAAS001BC Date of Report 2021-09-09 Page 3 of 102 1 Assessment The following device was evaluated against the applicable criteria specified in FCC rules Parts 30 of Ti…

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CETECOM Inc. 411 Dixon Landing Road  Milpitas, CA 95035  U.S.A. Phone: + 1 (408) 586 6200  Fax: + 1 (408) 586 6299  E-mail: [email protected]  http://www.cetecom.com CETECOM Inc. is a Delaware Corporation with Corporation number: 2905571 FCC/ISED Test Setup Photos For: FreeFall 5G, Inc. Model Name: FF5GAAS001BC Product Description: FreeStar5G Advanced Antenna System FCC ID: 2AY36-FF5GAAS001BC Addition to Report #: EMC_FREEF-002-21001_FCC_30 DATE: 2021-08-25 Page 2 of 10 Radiated Measurements 9 KHz to 30 MHz Page 3 of 10 30 MHz to 1 GHz Page 4 of 10 1 GHz to 3 GHz Page 5 of 10 3 GHz to 18 GHz Page 6 of 10 18 GHz to 40 GHz 40 GHz to 110 GHz Page 7 of 10 Frequency Stability Measurements Page 8 of 10 EUT Photos Advanced Antenna System Base Top View Advanced Antenna System Base Bottom View Page 9 of 10 Stack Assembly with Antennas Left View Stack Assembly with Antennas Right View Page 10 of 10 Date Report Name Changes to report Report prepared by 2021-07-13 EMC_FREEF-002-21001_FCC_Setup_Photos Initial Version Yuchan Lu 2021-08-20 EMC_FREEF-002-21001_FCC_Setup_Photos_Rev1 Updated RSE Setup Photo Yuchan Lu <<< The End >>>