Y9M-KA160EPMR digital transceiver/repeater

Radio Activity S.r.l. Via privata Cascia, 11 - 20128 Milano- Italy – email: [email protected] - www.radioactivity-tlc.com Tel. +39.02.36514205 - FAX/Voicebox +39.1782.242408 - CCIAA Milano N° 1728248 - VAT Id. 04135130963 KAIROS enhanced User Manual Draft Version 1.1 Radio Activity S.r.l. 2 / 37 Summary 1 FOREWORD ..................................................................................................................................... 7 1.1 LOCAL LAWS RESTRICTIONS ........................................................................................................................ 7 1.2 DOCUMENT COPYRIGHTS .......................................................................................................................... 7 1.3 DISCLAIMER ............................................................................................................................................ 7 1.4 MODIFICATIONS ...................................................................................................................................... 7 2 PRODUCT SAFETY ............................................................................................................................ 8 2.1 RF EXPOSURE COMPLIANCE ...................................................................................................................... 8 2.2 IMPROPER USE ........................................................................................................................................ 9 2.3 POWER SUPPLY ....................................................................................................................................... 9 2.4 ANTENNA SYSTEM / LIGHTNING .................................................................................................................. 9 3 RADIO DESCRIPTION ...................................................................................................................... 10 3.1 FRONTAL PANEL .................................................................................................................................... 10 3.2 REAR PANEL .......................................................................................................................................... 12 3.2.1 RX inputs specifications ............................................................................................................. 12 3.2.2 TX output specifications ............................................................................................................. 14 3.2.3 GPS antenna .............................................................................................................................. 15 3.2.4 Power supply .............................................................................................................................. 18 3.2.5 I/O ports ..................................................................................................................................... 19 4 INSTALLATION AND MAINTENANCE ............................................................................................... 22 4.1 IMPROPER USE ...................................................................................................................................... 22 4.2 THERMAL DISSIPATION............................................................................................................................ 22 4.3 POWER SUPPLY SYSTEM .......................................................................................................................... 23 4.4 ANTENNA ............................................................................................................................................. 23 4.4.1 Maximum permitted antenna gain for mobile usage ................................................................ 23 4.4.2 Maximum permitted antenna gain for fixed usage ................................................................... 24 Radio Activity S.r.l. 3 / 37 4.5 AF INTERFACE ....................................................................................................................................... 24 4.6 MANUAL SETTINGS ................................................................................................................................ 24 4.7 SELF-TEST PROCESS ................................................................................................................................ 24 4.8 PPS SIGNAL .......................................................................................................................................... 24 4.9 ON SITE CHECK LIST ................................................................................................................................ 24 4.10 IP DISCOVER ...................................................................................................................................... 26 4.11 PREVENTIVE MAINTENANCE ................................................................................................................ 26 5 PARAMETERS CONFIGURATION AND REMOTE CONTROL ................................................................ 27 5.1 GATEWAY FOR DIGITAL CONSOLE .............................................................................................................. 27 6 ENGINEERING SPECIFICATIONS ...................................................................................................... 28 6.1 KAE MAIN SPECIFICATIONS ...................................................................................................................... 28 6.2 RADIO FREQUENCY ................................................................................................................................. 29 6.2.1 Transmitter ................................................................................................................................ 29 6.2.2 Receiver ...............................…

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Radio Activity srl Via Privata Cascia, 11 • 20128 Milan, Italy • e-mail: [email protected] / PEC: [email protected] Tel. +39.02.36514205 • Società a socio unico • CCIAA Milano N° 1728248 VAT IT 04135130963 Covered Equipment Certification Attestation Letter Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: Y9M-KA160E Radio Activity srl (“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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Radio Activity srl (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Signed: Date: 17/06/2024 Printed name: Mauro Campidoglio Title: Mr. Company Name: Radio Activity srl

Radio Activity srl Via Privata Cascia, 11 • 20128 Milan, Italy • e-mail: [email protected] / PEC: [email protected] Tel. +39.02.36514205 • Società a socio unico • CCIAA Milano N° 1728248 VAT IT 04135130963 U.S. Agent Designation for Service of Process - Certification Attestation Letter Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: Y9M-KA160E Per section 2.911(d)(7) of the FCC rules, Radio Activity srl (“the Applicant”), FRN: 0020595484, certifies that the equipment for which authorization is sought is designated to the following U.S. Designated agent* for service of process: Company Name: EF JOHNSON COMPANY Physical U.S. Company Address: 1440 Corporate Drive, Irving, TX 75038 Agent name: Viet Vu Agent Email Address: [email protected] FRN: 0004201521 The above contact person accepts the obligation for service of process. The applicant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Date: 17/06/2024 Date: 17/06/2024 Applicant Signed: Designated Agent Signed:(Required, if different to Applicant): Signed: Signed: Printed name: Mauro Campidoglio Printed name: Viet Vu Title: Mr. Title: Mr. Company Name: Radio Activity srl Company Name: EF Johnson Technologies, Inc.

Radio Activity srl Via Privata Cascia, 11 • 20128 Milan, Italy • e-mail: [email protected] / PEC: [email protected] Tel. +39.02.36514205 • Società a socio unico • CCIAA Milano N° 1728248 VAT IT 04135130963 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 AUTHORITY TO ACT AS AGENT - FCC On our behalf, I appoint Nemko North America, Inc., 303 River Road, Ottawa, Ontario, Canada K1V 1H2, to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in FCC regulations will have affixed to it a label identical to that submitted for approval with this application. In signing this letter, Applicant certifies that neither the applicant nor any party to the application is not subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti- Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by Nemko North America Inc., still resides still resides with us. Sincerely, Printed name: Mauro Campidoglio Date: 17/06/2024

Radio Activity srl Via Privata Cascia, 11 • 20128 Milan, Italy • e-mail: [email protected] / PEC: [email protected] Tel. +39.02.36514205 • Società a socio unico • CCIAA Milano N° 1728248 VAT IT 04135130963 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 DECLARATION AS PER CFR 47, Part 90, § 90.203 FCC ID: Y9M-KA160E Radio Activity srl certifies that the equipment model KA-160e (FCC ID Y9M-KA160E), which contains a transmitter designed to operate on frequencies in the 150.8-162.0125 MHz and 173.2-173.4 MHz bands and is able to transmit both voice and data with a RF power output up to 50W, meets a spectrum efficiency standard of one voice channel per 6.25 kHz of channel bandwidth (2 voice channels per 12.5kHz of channel bandwidth). Additionally, the equipment is able to transmit data in a channel bandwidth of 12.5kHz, with a data rate of 9600 bits per second (that is, with an equivalent data rate of 4800 bits per second per 6.25 kHz of channel bandwidth). Sincerely, Signed: Date: 09/07/2024 Printed name: Mauro Campidoglio Title: Mr. Company Name: Radio Activity srl

Radio Activity srl Via Privata Cascia, 11 • 20128 Milan, Italy • e-mail: [email protected] / PEC: [email protected] Tel. +39.02.36514205 • Società a socio unico • CCIAA Milano N° 1728248 VAT IT 04135130963 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY - FCC FCC ID: Y9M-KA160E Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules and FCC Guidance document 726920, we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. Exhibit Type of Confidentiality Requested Block Diagrams ☒ Permanent ☐ Short Term External Photos ------------------ ☐ Short Term Internal Photos ☐ Permanent* ☐ Short Term Operation Description ☒ Permanent ☐ Short Term Parts List & Placement/BOM ☒ Permanent ☐ Short Term Tune-Up Procedure ☐ Permanent ☐ Short Term Schematic Diagrams ☒ Permanent ☐ Short Term Test Setup Photos ------------------ ☐ Short Term User’s Manual ☐ Permanent* ☐ Short Term The asterisked items (*) require further information to be provided in this justification letter before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. Note: any documents held under the Short-Term confidentiality will automatically become public after the requested time if an appropriate extension request has not been received. Any exhibits (i.e., schematic diagrams) that may have already been requested to have “Permanent” confidentiality as shown above need not be repeated under Short-Term confidentiality request. Sincerely, Signed: Date: 17/06/2024 Printed name: Mauro Campidoglio Title: Mr. Company Name: Radio Activity srl

Front view (off) Front view (on) Front / Up view Rear view Bottom view Top view Left view Right view

KA-10327 Type/Model «CE» marking Recycling information Powersupplydata Trademark Serial number TradeMark address Limitations

KA-160e Main board (top view) KA-160e Main board (bottom view) KA-160e Heatsink in KA-160e Heatsink out KA-160e Cover in KA-160e Cover out

Manufacturer: Radio Activity srl Name: Oscar Frau Product: KA-160e Title: Project Handler FCC ID: Y9M-KA160E Signature: MPE limits (§1.1310) Mode Frequency Duty Cycle Output Power 4 Antenna Gain 5 ERP 1 EIRP EIRP Distance PD 2 PD Limit 3 Margin MHz % dBm dB dBm dBm mW cm mW/cm 2 mW/cm 2 dB VHF 150,1 100 47,3 3,7 51,00 53,15 206464 322 0,158 0,2 1,01 1 ERP = ( Power dBm + Antenna Gain dBi ) + 10 x Log ( Duty Cycle % / 100 ) - note : 51 dBm ERP is the allowed limit 2 PD = EIRP / (4xπxD 2 ) 3 CFR 47 Part 1, §1.1310(e), table 1 (Limits for Gene ral Population/Uncontrolled Exposure) 4 See test report n. REP040275TRFWL issued by Nemko S pA 5 Max allowed antenna gain to respect ERP limit (3.7 dB correspondig to 5,85 dBi)

This test report shall not be partially reproduced without the prior written consent of Nemko S.p.A. The phase of sampling of equipment under testis carried out by the customer. Results indicated in this report refer exclusively to the tested samples and apply to the sample as received. This Test Report, when bearing the Nemko name and logo is only valid when issued by a Nemko laboratory or by a laboratory having agreement with Nemko. RADIO TEST REPORT REP040275 Date of issue: May 17, 2024 Applicant: Radio Activity Srl Via Privata Cascia, 11 – 20128 Milano (MI) – Italy Product: Multi-protocol analog and digital transceiver Model: KA-160e FCC ID: Y9M-KA160E Specifications:  FCC 47 CFR Part 90, Subpart I Report reference ID: REP040275 Page 2 of 99 Test location Company name Nemko S.p.A. Address Via Del Carroccio, 4 City Biassono Province MB Postal code 20853 Country Italy Telephone +39 039 220 12 01 Facsimile +39 039 220 12 21 Website www.nemko.com Site number FCC: 682159; IC: 9109A Tested by O. Frau Test engineer signature Reviewed by R. Giampaglia Reviewer signature Limits of responsibility Note that the results contained in this report relate only to the items tested and were obtained in the period between the date of initial receipt of samples and the date of issue of the report. This test report has been completed in accordance with the requirements of ISO/IEC 17025. All results contain in this report are within Nemko S.p.A. ISO/IEC 17025 accreditation. Copyright notification Nemko S.p.A. authorizes the applicant to reproduce this report provided it is reproduced in its entirety and for use by the company’s employees only. Any use which a third party makes of this report, or any reliance on or decisions to be made based on it, are the responsibility of such third parties. Nemko S.p.A. accepts no responsibility for damages, if any, suffered by any third party as a result of decisions made or actions based on this report. Report reference ID: REP040275 Page 3 of 99 Table of Contents Table of Contents ......................................................................................................................................................................................................... 3 Section 1 Report summary ................................................................................................................................................................................. 4 1.1 Test specifications .................................................................................................................................................................................................... 4 1.2 Test methods ............................................................................................................................................................................................................ 4 1.3 Exclusions ................................................................................................................................................................................................................. 4 1.4 Statement of compliance .......................................................................................................................................................................................... 4 1.5 Test report revision history ....................................................................................................................................................................................... 4 Section 2 Engineering considerations ................................................................................................................................................................. 5 2.1 Modifications incorporated in the EUT for compliance ............................................................................................................................................ 5 2.2 Technical judgment .................................................................................................................................................................................................. 5 2.3 Deviations from laboratory tests procedures ........................................................................................................................................................... 5 Section 3 Test conditions ................................................................................................................................................................................... 6 3.1 Atmospheric conditions ............................................................................................................................................................................................ 6 3.2 Power supply range .................................................................................................................................................................................................. 6 Section 4 Measurement uncertainty .................................................................................................................................................................. 7 4.1 Uncertainty of measurement ................................................................................................................................................................................... 7 Section 5 Information provided by the applicant ................................................................................................................................................ 8 5.1 Disclaimer ................................................................................................................................................................................................................. 8 5.2 Applicant/Manufacture ..............................................................................................................…

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Report reference ID: REP040275 Page 81 of 99 Test data, continued Radiated spurious emissions with modulation DMR 4FSK at 150.1 MHz – Antenna in horizontal polarization (1 to 2 GHz) (worst frequency case from conducted emissions) Report reference ID: REP040275 Page 82 of 99 Test data, continued Radiated spurious emissions with modulation DMR 4FSK at 150.1 MHz – Antenna in vertical polarization (1 to 2 GHz) (worst frequency case from conducted emissions) Report reference ID: REP040275 Page 83 of 99 Test data, continued Radiated spurious emissions with modulation P25 C4FM at 150.1 MHz – Antenna in horizontal polarization (30 MHz to 1 GHz) (worst frequency case from conducted emissions) Limit exceeded by the carrier Report reference ID: REP040275 Page 84 of 99 Test data, continued Radiated spurious emissions with modulation P25 C4FM at 150.1 MHz – Antenna in vertical polarization (30 MHz to 1 GHz) (worst frequency case from conducted emissions) Limit exceeded by the carrier Report reference ID: REP040275 Page 85 of 99 Test data, continued Radiated spurious emissions with modulation P25 C4FM at 150.1 MHz – Antenna in horizontal polarization (1 to 2 GHz) (worst frequency case from conducted emissions) Report reference ID: REP040275 Page 86 of 99 Test data, continued Radiated spurious emissions with modulation P25 C4FM at 150.1 MHz – Antenna in vertical polarization (1 to 2 GHz) (worst frequency case from conducted emissions) Report reference ID: REP040275 Page 87 of 99 7.6 Transient frequency behavior 7.6.1 References, definitions and limits FCC §90.214: Transmitters designed to operate in the 150-174 MHz frequency band must maintain transient frequencies within the maximum frequency difference limits during the time intervals indicated: Table 7.6-1: Transient frequency behavior Time intervals 1,2 Maximum frequency difference 3 Transient duration limit Transient Frequency Behavior for Equipment Designed to Operate on 25 kHz Channels t 1 4 ±25.0 kHz 10.0 ms t 2 ±12.5 kHz 25.0 ms t 3 4 ±25.0 kHz 10.0 ms Transient Frequency Behavior for Equipment Designed to Operate on 12.5 kHz Channels t 1 4 ±12.5 kHz 10.0 ms t 2 ±6.25 kHz 25.0 ms t 3 4 ±12.5 kHz 10.0 ms Transient Frequency Behavior for Equipment Designed to Operate on 6.25 kHz Channels t 1 4 ±6.25 kHz 10.0 ms t 2 ±3.125 kHz 25.0 ms t 3 4 ±6.25 kHz 10.0 ms Notes: 1 t on is the instant when a 1 kHz test signal is completely suppressed, including any capture time due to phasing. t 1 is the time period immediately following t on . t 2 is the time period immediately following t 1 . t 3 is the time period from the instant when the transmitter is turned off until t off . t off is the instant when the 1 kHz test signal starts to rise. 2 During the time from the end of t 2 to the beginning of t 3 , the frequency difference must not exceed the limits specified in §90.213. 3 Difference between the actual transmitter frequency and the assigned transmitter frequency. 4 If the transmitter carrier output power rating is 6 watts or less, the frequency difference during this time period may exceed the maximum frequency difference for this time period. 7.6.2 Test summary Verdict Pass Tested by O. Frau Test date May 06, 2024 7.6.3 Observations, settings and special notes None Report reference ID: REP040275 Page 88 of 99 7.6.4 Test equipment list Equipment Manufacturer Model no. Asset no. Cal cycle Next cal. EMI receiver Rohde & Schwarz ESW44 101620 2023-08 2024-08 Shielded room Siemens 10m control room 1947 NCR NCR Radio communication tester Rohde & Schwarz CMT 883 152/001 2024-01 2027-01 Oscilloscope Yokogawa DL1540 25WY1600L 2024-03 2025-03 Cable set Rosenberger ST.ALO-02 1.650 2023-10 2024-10 Note: NCR - no calibration required, VOU - verify on use Report reference ID: REP040275 Page 89 of 99 7.6.5 Test data Transient Frequency behavior with modulation FM 12.5 kHz, switch ON Report reference ID: REP040275 Page 90 of 99 Test data, continued Transient Frequency behavior with modulation FM 12.5 kHz, switch OFF Report reference ID: REP040275 Page 91 of 99 Test data, continued Transient Frequency behavior with modulation FM 25 kHz, switch ON Report reference ID: REP040275 Page 92 of 99 Test data, continued Transient Frequency behavior with modulation FM 25 kHz, switch OFF Report reference ID: REP040275 Page 93 of 99 7.7 Transmitter frequency stability 7.7.1 References, definitions and limits FCC §90.213: (a) Unless noted elsewhere, transmitters used in the services governed by this part must have a minimum frequency stability as specified in the following table. Table 7.7-1: Minimum frequency stability Frequency range (MHz) Fixed and base stations Mobile stations over 2 watts output power Mobile stations 2 watts or less output power 150-174 ±5 ppm 1 ±5 ppm 2 ±50 ppm 2 Notes: 1 In the 150-174 MHz band, fixed and base stations with a 12.5 kHz channel bandwidth must have a frequency stability of 2.5 ppm. Fixed and base stations with a 6.25 kHz channel bandwidth must have a frequency stability of 1.0 ppm. 2 In the 150-174 MHz band, mobile stations designed to operate with a 12.5 kHz channel bandwidth or designed to operate on a frequency specifically designated for itinerant use or designed for low-power operation of two watts or less, must have a frequency stability of 5.0 ppm. Mobile stations designed to operate with a 6.25 kHz channel bandwidth must have a frequency stability of 2.0 ppm. 7.7.2 Test summary Verdict Pass Tested by O. Frau Test date May 07, 2024 7.7.3 Observations, settings and special notes Test was performed on supply voltage variations as per client rated, no frequency deviation was observed. 7.7.4 Test equipment list Equipment Manufacturer Model no. Asset no. Cal cycle Next cal. EMI Receiver Rohde & Schwarz ESU8 100202 2023-09 2024-09 Climatic chamber espec ARS-1100 4100000067 2023-12 2024-12 Note: NCR - no calibration required, VOU - verify on use Report reference ID: REP040275 Page 94 of 99 7.7.5 Test data Table 7.7-2: Transmitter frequency stab…

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O N E W O R L D O U R A P P R O V A L Setup photos REP040273 // REP040275, REP040276 Date of issue: May 15, 2024 // May 17, 2024 Applicant: Radio Activity Srl Via Privata Cascia, 11 – 20128 - Milano (MI), Italy Product name: PMR digital transceiver/repeater Model: KA-160e FCC ID: IC Registration number: Y9M-KA160E 10484A-KA160E Report reference ID: REP040273, REP040275, REP040276 Page 2 of 10 Section 1. Setup photos (FCC Part 90 / RSS-119) 1.1 Radiated emissions set-up for frequencies below 1 GHz Report reference ID: REP040273, REP040275, REP040276 Page 3 of 10 1.2 Radiated emissions set-up for frequencies above 1 GHz Report reference ID: REP040273, REP040275, REP040276 Page 4 of 10 Report reference ID: REP040273, REP040275, REP040276 Page 5 of 10 1.3 Set-up photo for antenna port tests Report reference ID: REP040273, REP040275, REP040276 Page 6 of 10 1.4 Frequency stability Report reference ID: REP040273, REP040275, REP040276 Page 7 of 10 Section 2. Setup photos (§15.107 / ICES-003 §6.1) 2.1 Conducted emissions Report reference ID: REP040273, REP040275, REP040276 Page 8 of 10 Section 3. Setup photos (§15.109 / ICES-003 §6.2) 3.1 Radiated emissions Report reference ID: REP040273, REP040275, REP040276 Page 9 of 10 Report reference ID: REP040273, REP040275, REP040276 Page 10 of 10 Section 4. Setup photos (EUT)