2BA6ERU373PSABF21ATri-Band Medium Power Remote Unit

Rev 1/26/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 03-20-2024 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BA6ERU373PSABF21A Avari Wireless, Inc. (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Andrew Leung CEO Avari Wireless, Inc. 1400 112 th Ave SE, Ste 100 Bellevue, WA, 98004 Rev 1/26/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 03-20-2024 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BA6ERU373PSABF21A Avari Wireless, Inc. (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, Andrew Leung CEO Avari Wireless, Inc. 1400 112 th Ave SE, Ste 100 Bellevue, WA, 98004

Avari Wireless, Inc. 1400 112th Ave SE, Ste 100 Bellevue, WA, USA 98004 http://www.avariwireless.com Mar 21, 2024 Timco Engineering, Inc. 13146 NW 86th Drive Suite 400 Alachua, FL 32615USA Reference: Marketing and Professional Installation Required FCC ID: 2BA6ERU373PSABF21A Marketing: The intended use is generally for industrial/commercial use and will not be sold to the general public. It will also not be sold through retail establishments or through mail order. It will be sold to OEM customers, qualified dealers and directly to commercial customers. Professional Installation: Since the equipment used in the above reference FCC ID has standard RF connectors, the system must be professionally installed. The installer shall be responsible for ensuring that the proper antenna is employed so that the limits specified in Part 1.1310 are not exceeded. It is intended for industry/commercial use. All the necessary instructions keeping our qualified dealers, commercial customers and professional installers clear of the necessity of professional installation are given in the product user manual. Professional installers will ensure that the equipment is installed following local regulations and safety codes. Professional System Design: Further, Avari Wireless, Inc., its partners and integrators will produce appropriate designs for proper equipment placement and settings. Professional RF design and modelling tools are always used to ensure the system operates within the desired coverage area at the appropriate signal levels. Permission is obtained from spectrum owners and deployment is typically coordinated with those spectrum owners. The equipment is setup, and typically centrally monitored, to ensure that it operates on intended frequencies and power levels and that it covers licensed areas and does not interfere with adjacent spectrum owners. Regards, Andrew Leung CEO Avari Wireless, Inc.

Rev 1/26/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 03-20-2024 Ref: Attestation Statements Part 2.911(d)(7) Filing Grantee Code: 2BA6E Avari Wireless, Inc. (“the applicant”) certifies that, as of the date of the filing of the application, we designate ourselves as the U.S. agent for service of process. Designated U.S. Agent Information: FRN: 0033324567 Name: Avari Wireless, Inc. Address: 1400 112 th Ave SE, Ste 100, Bellevue, WA 98004 Contact Person: Andrew Leung Tel.: 425-894-9668 Email: [email protected] Sincerely, Andrew Leung CEO Avari Wireless, Inc. 1400 112 th Ave SE, Ste 100 Bellevue, WA 98004

Avari Wireless, Inc. 1400 112th Ave SE, Ste 100 Bellevue, WA, USA 98004 http://www.avariwireless.com Mar 21, 2024 Timco Engineering, Inc. 13146 NW 86th Drive Suite 400 Alachua, FL 32615 Reference: Attestation Regarding Warning Labels FCC ID: 2BA6ERU373PSABF21A This letter is an attestation that the warning label and class A messages required per 47 C.F.R. § 90 will be affixed to the unit, on the outside packaging, in print and on-line versions of the owner's manual and installation instructions, and in on-line point-of-sale marketing materials. A sample of this label is included in the exhibit named " 2BA6ERU373PSABF21A-LabelSmpl- vX.pdf". Regards, Andrew Leung CEO Avari Wireless, Inc.

Avari Wireless, Inc. 1400 112th Ave SE, Ste 100 Bellevue, WA, USA 98004 http://www.avariwireless.com Mar 21, 2024 Timco Engineering, Inc. 13146 NW 86th Drive Suite 400 Alachua, FL 32615USA Reference: Authorization letter FCC ID: 2BA6ERU373PSABF21A This letter authorizes Mr Bujun Qin of Labtest Certification Inc. to sign application form 731 to Timco Engineering Inc. and in respect to all information details mentioned in this form to present confidential data on products manufactured by Avari Wireless, Inc. Regards, Andrew Leung CEO Avari Wireless, Inc.

Avari Wireless, Inc. 1400 112th Ave SE, Ste 100 Bellevue, WA, USA 98004 http://www.avariwireless.com Mar 21, 2024 Timco Engineering, Inc. 13146 NW 86th Drive Suite 400 Alachua, FL 32615USA Reference: Restricted Access of Equipment and Request for Confidentiality FCC ID: 2BA6ERU373PSABF21A Pursuant to Sections 0.457 and 0.459 of the Rules, 47 C.F.R. § 0.457 and 0.459, Avari Wireless requests confidential treatment of certain information submitted with this document. This Restricted Access of Equipment and Documentation Notice is to inform Timco Engineering, Inc. that access to equipment and related documentation supplied by Avari Wireless Inc. is to be restricted to only authorized users in order to ensure the security of the equipment and confidentiality of related documentation at all times. Only designated professionals shall be allowed to maintain or service the equipment. Avari Wireless, Inc. is requesting the internal photos be permanently confidential. This non- consumer device is inaccessible to the general public, and shall be kept in a secured and locked environment. Further, Avari Wireless, Inc is requesting the Operational Description and User Manual (the Documents referenced below) be permanently confidential. The reason for this request is that the Documents are of a technical nature and are not provided to the consumer because the consumer cannot service the device. Our devices will be sold to a limited audience and the Avari wishes the Documents to be inaccessible to the general public at all times. Appropriate documentation will be made be available only to Avari Wireless, Inc. partners and integrators only. Designated professionals under the employ of these partners and integrators will be responsible for service and maintenance of our devices. Each partner and integrator will be under a non-disclosure agreement with Avari Wireless, Inc. A sample of this agreement is included below. In conclusion, Avari Wireless, Inc. requests the permanent confidentiality for the following items: Avari Wireless, Inc. 1400 112th Ave SE, Ste 100 Bellevue, WA, USA 98004 http://www.avariwireless.com Permanently Confidential - Operational Description “2BA6ERU373PSABF21A-OpDes-vX.pdf” Permanently Confidential - User Manual “2BA6ERU373PSABF21A-UserMan-vX.pdf” Permanently Confidential - Schematics “2BA6ERU373PSABF21A-Schem-vX.pdf” Permanently Confidential - Parts List “2BA6ERU373PSABF21A-PartsLst-vX.pdf” Permanently Confidential –Internal Photographs “2BA6ERU373PSABF21A-IntPho-vX.pdf” Permanently Confidential –Block Diagram “2BA6ERU373PSABF21A-BlkDia-vX.pdf” Permanently Confidential –Tuning Procedure “2BA6ERU373PSABF21A-TunPro-vX.pdf” Where in each of the above vX may be v1 to v9 or not present and refers to the document version. Andrew Leung CEO Avari Wireless, Inc.

Avari Wireless, Inc. 1400 112th Ave SE, Ste 100 Bellevue, WA, USA 98004 http://www.avariwireless.com Mar 21, 2024 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA SUBJECT: FCC ID: 2BA6ERU373PSABF21A To Whom It May Concern: We, the undersigned, hereby authorize Jeremy Lee at Labtest Certification Inc. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Labtest Certification Inc. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti- Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, Andrew Leung CEO Avari Wireless, Inc.

Avari Wireless, Inc. 1400 112th Ave SE, Ste 100 Bellevue, WA, USA 98004 http://www.avariwireless.com Mar 21, 2024 Timco Engineering, Inc. 13146 NW 86th Drive Suite 400 Alachua, FL 32615 Reference: Supplementary Information FCC ID: 2BA6ERU373PSABF21A Model No: RU37-3-PS-ABF-21-3N-D0-1 This letter is to provide additional information related to the referenced FCC filing. 1. Intended Emissions 2. Intended Use The equipment is to be connected to a master unit the signal source via fiber. The equipment under this filing is NOT for consumer use. All deployment of such equipment first needs to be designed and approved by certified system designer and then implemented by professional installers. Regards, Andrew Leung CEO Avari Wireless, Inc. Waveform Ref in Datasheet Tested SignalSignal Description Individual Emission Designators Emission Designators for Multiple Channels (FCC Form 731) Explanations Public Safety P25 Phase I C4FM, CQPSK, P25 Phase II HDQPSK Narrowband digital signal 5K76G1E, 7K60FXD, 7K60FXE, 8K30F1W, 9K80D7W D9W, F9W 1 or more channels carrying a combination of voice and data for 150MHz, 700MHz, 800MHz Bands Public SafetyFMFM 1kHz signal 4kHz deviation11K3F3EF8E851-854MHz only

Unit External Photos RU37™ VHF-700-800 Tri-Band Medium Power Remote Unit FCCID: 2BA6ERU373PSABF21A Date: Mar 21, 2024 Model No: RU37-3-PS-FAB-21-3N-A0-2 Avari Wireless, Inc. 1400 112th Ave SE, Ste 100 Bellevue, WA, USA 98004 http://www.Avariwireless.com © Copyright 2024 Avari Wireless. All Rights Reserved Avari Wireless RU37 VHF-700-800 Unit External Photos Page 2 of 6 Remote Unit External Photos Figure 1: Front view Avari Wireless RU37 VHF-700-800 Unit External Photos Page 3 of 6 Figure 2: Back view Avari Wireless RU37 VHF-700-800 Unit External Photos Page 4 of 6 Figure 3: Side view Figure 4: Side view Figure 5: Connector panel view Avari Wireless RU37 VHF-700-800 Unit External Photos Page 5 of 6 Figure 6: Top view Avari Wireless RU37 VHF-700-800 Unit External Photos Page 6 of 6 Figure 7: Labels view

Example: UNIT # YEAR/MONTH LOCATION MANUFACTUREDREVISION PART NUMBER 15 LEVEL # 46.0 60.0 FONT: LATO, BOLD BLACK 3mm HEIGHT FONT: LATO, BOLD ITALIC BLACK 3mm HEIGHT FONT: ARIAL MAX 1.5mm HEIGHT FONT: ARIAL MAX 1.5mm HEIGHT REFER TO EXTERNAL DOC FOR FCC ID FONT: ARIAL 1mm HEIGHT FONT: ARIAL MAX 1.5mm HEIGHT SEE MATRIX NOTES NOTES: FOR MORE INFORMATION REGARDING TEXT PLACEMENT, A .dwg FILE IS 1. AVAILABLE UPON REQUEST. MATERIAL: FASSON MIL POLYESTER TC/S730 FILM(0.05MM THICK) WITH S730 2. ADHESIVE. TOTAL LABEL (TTMS 2" x 1.5") OR APPROVED MATERIAL BY AVARI. BLACK TEXT FONT3. SEE REFERENCED DOCUMENTS FOR PRINTER/INK USED DURING PROCESS4. DATA MATRIX NOTES: THE 10 LEVEL DATA MATRIX CONTAINS 3 CHARACTER STRINGS SEPARATED BY 5. SEMI-COLONS EX. RU33-1-PS-H-10-1N-D0-002;10911103RA1B7A001;0000::0000:0000:0000:0000 FIRST CHARACTER STRING DENOTES MODEL NUMBER FOR THE RU37 REFER TO 6. ADDITIONAL DOCUMENTS FOR MODEL NUMBER CONFIGURATION. MODEL NUMBER IS ALSO PRINTED AT NOTED LOCATION SEDCOND CHARACTER STRING (10 LEVEL)7. CHARACTER 1-8: DENOTES THE PRODUCT PART NUMBER IN THE 10 LEVEL• CHARACTER 9-11: DENOTES REVISION NUMBER (EXX=ENG XX, RXX=REV XX)• CHARACTER 12: DENOTES THE LOCATION OF PRODUCTION• CHARACTER 13: YEAR = COUNTER STARTING FROM 2010 IN HEX. eg. 2016 = 6• CHARACTER 14: MONTH = CURRENT MONTH IN HEX Ex. OCTOBER = A• CHARACTER 15-17: 3 DIGIT HEX COUNTER eg. 1st UNIT =001, 10TH UNIT = 00A• THIRD CHARACTER STRING IS THE IPv6 ADDRESS. THIS IS ALSO PRINTED ON THE 8. LABEL 10911103RA1B7A001 REVISIONS REV.DESCRIPTIONDATEAPPROVED D C B A 8 7 6 5 4 3 2 1 7 4 2 6 3 1 5 8 D C B A 8 7 6 5 4 3 2 1 7 4 2 6 3 1 5 8 DO NOT SCALE DRAWING DIMENSIONS & TOLERANCING ARE TO BE INTERPRETED PER ASME Y14.5M-2009 AND APPLY TO FINISHED PART SURFACE FINISH = = X.XX = X. = PROJECTION - - Padmini Kutturu FINISH: DATE DATE DATE DATE SUPPLY CHAIN CHECKED MFG DRAWN BY DWG No. B Eng 01 REV SIZE SHEET: 1 OF 1SCALE: 2:1 X.X = Label,Model,RU37,Type 2_10- 9111-37 - 0.50 0.25 0.10 0.5 MATL: 1.6 TITLE - D C B A DEBURR & BREAK SHARP UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS - TOLERANCES: THE INFORMATION CONTAINED HEREIN IS PROPRIETARY TO AVARI WIRELESS INC AND IS TO BE USED SOLELY FOR THE PURPOSE FOR WHICH IT IS SUPPLIED. IT SHALL NOT BE DISCLOSED IN WHOLE OR IN PART TO ANY OTHER PARTY WITHOUT AVARI PERMISSION. DATE CORNERS μm Q.A. 2023-12-12 440-00192 Avari Wireless, Inc. -

DETAIL A SCALE 2 : 5 Label location for AMU33,AMU37,RU33,RU37 REVISIONS REV.DESCRIPTIONDATEAPPROVED D C B A 8 7 6 5 4 3 2 1 7 4 2 6 3 1 5 8 D C B A 8 7 6 5 4 3 2 1 7 4 2 6 3 1 5 8 DO NOT SCALE DRAWING DIMENSIONS & TOLERANCING ARE TO BE INTERPRETED PER ASME Y14.5M-2009 AND APPLY TO FINISHED PART SURFACE FINISH = = X.XX = X. = PROJECTION - - Padmini Kutturu FINISH: DATE DATE DATE DATE SUPPLY CHAIN CHECKED MFG DRAWN BY DWG No. B Eng 02 REV SIZE SHEET: 1 OF 1SCALE: 1:5 X.X = Assy,Labels location,AH,Type 2 Enclosure,PS - 0.50 0.25 0.10 0.5 MATL: 1.6 TITLE - D C B A DEBURR & BREAK SHARP UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS - TOLERANCES: THE INFORMATION CONTAINED HEREIN IS PROPRIETARY TO AVARI WIRELESS INC AND IS TO BE USED SOLELY FOR THE PURPOSE FOR WHICH IT IS SUPPLIED. IT SHALL NOT BE DISCLOSED IN WHOLE OR IN PART TO ANY OTHER PARTY WITHOUT AVARI PERMISSION. DATE CORNERS μm Q.A. 2023-07-14 20-9111-38 Avari Wireless, Inc. -

Exposure Evaluation RU37™ VHF-700-800 PS Tri-Band Medium Power Remote Unit FCCID: 2BA6ERU373PSABF21A Date: Mar 15, 2024 Avari Wireless, Inc. 1400 112th Ave SE, Ste 100 Bellevue, WA, USA 98004 http://www.avariwireless.com © Copyright 2024 Avari Wireless. All Rights Reserved Avari Wireless RU37 VHF-UHF-800 Exposure Evaluation Page 2 of 2 RF Exposure Evaluation According to FCC Part 1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. More information on evaluating compliance with these limits can be found in the FCC's OST/OET Bulletin Number 65, “Evaluating Compliance with FCC-Specified Guidelines for Human Exposure to Radiofrequency Radiation”. The maximum power density limit allowed for uncontrolled exposures for an average time of 30 minutes is frequency and output power dependent. Although the equipment under test is capable of producing a composite output power of up to 38dBm, the overall ERP can’t exceed 37dBm. Cable distribution loss and antenna gain needs to be taken into account as part of the design and installation in order not to exceed the maximum 37dBm ERP limit. The table below illustrates the different operating scenarios with maximum allowed output power of 37dBm at the antenna representing worst case scenarios from a RF Exposure point of view. Freq Band (MHz) Conducted Output Power (dBm) Min. Cable Loss (dB) Max Antenna Gain (dBi) Max EIRP (mW) Power Density Limit Allowed (mW/cm²) Safe Distance (cm) 150 38 8 7 5012 0.200 45 700 38 8 7 5012 0.515 28 800 38 8 7 5012 0.574 27 RF Exposure Evaluation Distance Calculation 푑푑=√ (퐸퐸퐸퐸퐸퐸퐸퐸/4휋휋휋휋) Where: d = Distance to the center of radiation of the antenna (cm) for the allowable Power Density S = Allowable Power Density Limit (mW/cm 2 ) EIRP = Equivalent isotopically radiated power (mW) = 10 [TX Power (dBm) + Ant Gain (dBi)/10] If the antenna will be positioned closer to end users than the required safe distance, then the installer must calculate the power back off required for a given installation using the formulas provided.

ONE STOP GLOBAL CERTIFICATION SOLUTIONS ISO 17025 ACCREDITED ISO 17020 ACCREDITED ISO 17065 ACCREDITED 205 – 8291 92 Street, Delta, BC V4G 0A4, Canada Phone: 604-247-0444 Fax: 604-247-0442 www.labtestcert.com REPORT For Avari Wireless Inc. 1400 112th Ave SE, Ste 100 Bellevue, WA 98004, USA Date: 2024-03-21 Report No.: 20.01.22107-1 Revision No.: 0 Project No.: 22107 Equipment: Tri-Band Medium Power Remote Unit Model No.: RU37-3-PS-FAB-21-3N-A0-2/1 FCC ID: 2BA6ERU373PSABF21A Prepared by: LabTest Certification Inc. Client: Avari Wireless Inc. Date Issued: 2024-03-21 Report No.: 20.01.22107-1 Project No.: 22107 Revision No.: 0 Page 2 of 88 This document shall not be reproduced or utilized in any form or by any means, except in full, without the written approval of LabTest Certification Inc. DCN: 1034, Rev 8 – 2021/12/06 - RA TABLE OF CONTENTS TEST REPORT ........................................................................................................................................... 3 Revision History .......................................................................................................................................... 4 Test Conditions ........................................................................................................................................... 4 Device Under Test Description .................................................................................................................... 4 Program details ........................................................................................................................................... 5 Description of Equipment Under Test (EUT) and Variant Models ............................................................... 6 Client Equipment Used During Test ............................................................................................................ 8 Software and Firmware ............................................................................................................................... 8 Input/Output Ports ....................................................................................................................................... 8 Power Interface ........................................................................................................................................... 9 EUT Operation Modes ................................................................................................................................. 9 EUT Configuration Modes ........................................................................................................................... 9 Test Equipment Verified for function ........................................................................................................... 9 Test Station Photo ..................................................................................................................................... 10 Test Station Cables and Loads ................................................................................................................. 10 Test Station Insertion Loss ........................................................................................................................ 10 Result Summary ........................................................................................................................................ 11 Test Result ................................................................................................................................................ 12 1 AGC Threshold ....................................................................................................................................... 12 2 Occupied Bandwidth............................................................................................................................... 14 3 Out of Band Rejection ............................................................................................................................ 26 4 Input-Versus-Output Signal Comparison ................................................................................................ 30 5 Input/Output Power and Amplifier/Booster Gain ..................................................................................... 51 6 Out-Of-Band / Out-Of-Block Intermodulation and Spurious Emissions................................................... 53 7 Noise Figure ........................................................................................................................................... 72 8 Frequency Stability ................................................................................................................................. 74 9 Radiated Emissions – Enclosure ............................................................................................................ 75 10 Conducted Emissions at AC Power Port .............................................................................................. 83 Annex ........................................................................................................................................................ 87 Annex 1 – Measurement Uncertainties......................................................................................87 Annex 2 - ISO 17025 ACCREDITATION CERTIFICATE............................................................. 87 Prepared by: LabTest Certification Inc. Client: Avari Wireless Inc. Date Issued: 2024-03-21 Report No.: 20.01.22107-1 Project No.: 22107 Revision No.: 0 Page 3 of 88 This document shall not be reproduced or utilized in any form or by any means, except in full, without the written approval of LabTest Certification Inc. DCN: 1034, Rev 8 – 2021/12/06 - RA TEST REPORT FCC Part 15 Subpart B FCC Part 90 - Private Land Mobile Services Report Reference No. .................... : 20.01.22107-1 Report Revision History. ............... : Rev. 0 Compiled by (+ signature…

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Prepared by: LabTest Certification Inc. Client: Avari Wireless Inc. Date Issued: 2024-03-21 Report No.: 20.01.22107-1 Project No.: 22107 Revision No.: 0 Page 46 of 88 This document shall not be reproduced or utilized in any form or by any means, except in full, without the written approval of LabTest Certification Inc. DCN: 1034, Rev 8 – 2021/12/06 - RA 150PS C4FM Signal at 173.975 MHz 150PS C4FM Signal at 163MHz 150PS C4FM Signal at 152.025 MHz Prepared by: LabTest Certification Inc. Client: Avari Wireless Inc. Date Issued: 2024-03-21 Report No.: 20.01.22107-1 Project No.: 22107 Revision No.: 0 Page 47 of 88 This document shall not be reproduced or utilized in any form or by any means, except in full, without the written approval of LabTest Certification Inc. DCN: 1034, Rev 8 – 2021/12/06 - RA 150PS HDQPSK Signal at 173.975 MHz 150PS HDQPSK Signal at 163MHz 150PS HDQPSK Signal at 152.025 MHz Prepared by: LabTest Certification Inc. Client: Avari Wireless Inc. Date Issued: 2024-03-21 Report No.: 20.01.22107-1 Project No.: 22107 Revision No.: 0 Page 48 of 88 This document shall not be reproduced or utilized in any form or by any means, except in full, without the written approval of LabTest Certification Inc. DCN: 1034, Rev 8 – 2021/12/06 - RA 150PS CQPSK Signal at 173.975 MHz ALC 150PS CQPSK Signal at 163MHz ALC 150PS CQPSK Signal at 152.025 MHz ALC Prepared by: LabTest Certification Inc. Client: Avari Wireless Inc. Date Issued: 2024-03-21 Report No.: 20.01.22107-1 Project No.: 22107 Revision No.: 0 Page 49 of 88 This document shall not be reproduced or utilized in any form or by any means, except in full, without the written approval of LabTest Certification Inc. DCN: 1034, Rev 8 – 2021/12/06 - RA 150PS C4FM Signal at 173.975 MHz ALC 150PS C4FM Signal at 163MHz ALC 150PS C4FM Signal at 152.025 MHz ALC Prepared by: LabTest Certification Inc. Client: Avari Wireless Inc. Date Issued: 2024-03-21 Report No.: 20.01.22107-1 Project No.: 22107 Revision No.: 0 Page 50 of 88 This document shall not be reproduced or utilized in any form or by any means, except in full, without the written approval of LabTest Certification Inc. DCN: 1034, Rev 8 – 2021/12/06 - RA 150PS HDQPSK Signal at 173.975 MHz ALC 150PS HDQPSK Signal at 163MHz ALC 150PS HDQPSK Signal at 152.025 MHz ALC Prepared by: LabTest Certification Inc. Client: Avari Wireless Inc. Date Issued: 2024-03-21 Report No.: 20.01.22107-1 Project No.: 22107 Revision No.: 0 Page 51 of 88 This document shall not be reproduced or utilized in any form or by any means, except in full, without the written approval of LabTest Certification Inc. DCN: 1034, Rev 8 – 2021/12/06 - RA 5 Input/Output Power and Amplifier/Booster Gain Governing Doc FCC Part 90.219 Room Temperature (°C) 20.5 Test Procedure ANSI/TIA-603- E; FCC KDB 935210 D05, v01r04 Relative Humidity (%) 38.6 Test Location Richmond Barometric Pressure (kPa) 101.8 Test Engineer Jack Qin Date August 29,2023 EUT Voltage ☒ +48VDC ☐ 120VAC @ 60Hz Test Equipment Used Manufacturer Model Serial Number Calibration date Calibration due Signal Generator Keysight N5172B MY53050270 Oct 9, 2021 Oct 9, 2023 Spectrum Analyzer Keysight N9010A MY50520285 Oct 11, 2021 Oct 11, 2023 Span: ☒ Max Gain Frequency ± 1500kHz Detector: ☒ Peak RBW/VBW: ☒100k Hz/ 300 kHz Type of Facility: ☒ Tabletop Distance: ☒ Direct Maximum booster gain is 52.6 dB. Compliant ☒ Non-Compliant ☐ Not Applicable ☐ Test Setup Description of test set-up: The procedure used was ANSI/TIA-603-E-2016 and FCC KDB 935210 D05 Indus Booster Basic Meas v01r02:. A CW tone was input at the frequency where the system gain is the maximum in the pass band, with the nominal input power level. The spectrum analyzer was connected to the output RF port via a 50 Ohm 30 dB attenuator. The maximum hold trace and peak detector was used to capture the output power. The output power minus the input power equals to the booster gain in dB. The EUT was set to Operation Mode #1 with configuration Mode #1. Prepared by: LabTest Certification Inc. Client: Avari Wireless Inc. Date Issued: 2024-03-21 Report No.: 20.01.22107-1 Project No.: 22107 Revision No.: 0 Page 52 of 88 This document shall not be reproduced or utilized in any form or by any means, except in full, without the written approval of LabTest Certification Inc. DCN: 1034, Rev 8 – 2021/12/06 - RA Test Data Test Band Frequency (MHz) Input Power (dBm) Output Power (dBm) Gain (dB) 800PS 860 -15.6 37.00 52.6 700PS 766.5 -14.2 36.97 51.17 VHF PS 163 -13.4 36.92 50.32 Prepared by: LabTest Certification Inc. Client: Avari Wireless Inc. Date Issued: 2024-03-21 Report No.: 20.01.22107-1 Project No.: 22107 Revision No.: 0 Page 53 of 88 This document shall not be reproduced or utilized in any form or by any means, except in full, without the written approval of LabTest Certification Inc. DCN: 1034, Rev 8 – 2021/12/06 - RA 6 Out-Of-Band / Out-Of-Block Intermodulation and Spurious Emissions Governing Doc FCC Part 90.219 Room Temperature (°C) 20.5 Test Procedure ANSI/TIA-603- E; FCC KDB 935210 D05, v01r04 Relative Humidity (%) 38.6 Test Location Richmond Barometric Pressure (kPa) 101.8 Test Engineer Jack Qin Date August 29,2023 EUT Voltage ☒ +48VDC ☐ 120VAC @ 60Hz Test Equipment Used Manufacturer Model Serial Number Calibration date Calibration due Signal Generator Keysight N5172B MY53050270 Oct 9, 2021 Oct 9, 2023 Spectrum Analyzer Keysight N9010A MY50520285 Oct 11, 2021 Oct 11, 2023 Frequency Range: ☒ Max Gain Frequency ± 50kHz Detector: ☒ Average RBW/VBW: ☒100/910Hz Type of Facility: ☒ Tabletop Distance: ☒ Direct On 700 band, 800 band and UHF band: The intermodulation product of 2 tone is below the -13dBm emission limit with input power - 0.5 dB below AGC threshold - 2 dB below AGC threshold - 3 dB above AGC threshold Compliant ☒ Non-Compliant ☐ Not Applicable ☐ Test Setup Description of test set-up: The procedure used was ANSI/TIA-603-E-2016. Two tones (CW) method was used. The input power to the amplifier was set at maximum drive…

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Test Setup RU37™ VHF-700-800 PS Tri-Band Medium Power Remote Unit FCCID: 2BA6ERU373PSABF21A Date: Jan 4, 2024 Model No.: RU37-3-PS-FAB-21-3N-A0-2 Avari Wireless, Inc. 1400 112th Ave SE, Ste 100 Bellevue, WA, USA 98004 http://www.Avariwireless.com © Copyright 2024 Avari Wireless. All Rights Reserved Avari Wireless RU37 Test Setup Page 2 of 5 Remote Test Setup Photos – LabTest (3133-20800 Westminster Hwy Richmond, British Columbia V6V 2W3, Canada) Figure 1: RF Conductive Emissions Test Setup Avari Wireless RU37 Test Setup Page 3 of 5 Figure 2: Radiated Emissions (Below 1GHz) Test Setup Avari Wireless RU37 Test Setup Page 4 of 5 Figure 3: Radiated Emissions (Above 1GHz) Test Setup Avari Wireless RU37 Test Setup Page 5 of 5 Figure 4: Conducted Emissions Test Setup at AC Main