W6UPSEVHFUHFRDAS

Date: May 12, 2025 Rev: 0.1 HACS-F040 Covered List Attestation Letter HCT AMERICA, INC. ([email protected]) 840 Yosemite Way, Milpitas, CA 95035 TEL: +1.510.933.8848, Fax: +1.510.933.8849 Page 1 of 3 This document is electronically controlled. Hard copy documents are uncontrolled. Please check all hard copies against the controlled electronic copy to ensure validity. This document is the confidential property of HCT AMERICA, INC. It may not be forwarded or reproduced in whole or in part without written permissions from HCT AMERICA, INC. Covered List Attestation Letter Date: May 12, 2025 Rev: 0.1 HACS-F040 Covered List Attestation Letter HCT AMERICA, INC. ([email protected]) 840 Yosemite Way, Milpitas, CA 95035 TEL: +1.510.933.8848, Fax: +1.510.933.8849 Page 2 of 3 This document is electronically controlled. Hard copy documents are uncontrolled. Please check all hard copies against the controlled electronic copy to ensure validity. This document is the confidential property of HCT AMERICA, INC. It may not be forwarded or reproduced in whole or in part without written permissions from HCT AMERICA, INC. REVISION TABLE Rev Description of Change Date Approved 0.0 Original Release 07/15/2024 QM 0.1 Update Address 05/12/2025 QM Date: May 12, 2025 Rev: 0.1 HACS-F040 C overed List Attestation Letter HCT AMERICA, INC. ([email protected]) 840 Yosemite Way, Milpitas, CA 95035 TEL: +1.510.933.8848, Fax: +1.510.933.8849 Page 3 of 3 This document is electronically controlled. Hard copy documents are uncontrolled. Please check all hard copies against the controlled electronic copy to ensure validity. This document is the confidential property of HCT AMERICA, INC. It may not be forwarded or reproduced in whole or in part without written permissions from HCT AMERICA, INC. FC C Part 2.909(d)(5)(i) and 2.909(d)(5)(ii) Attestations Date: May 8, 2026 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Attn: Reviewing Engineer FCC ID: W6UPSEVHFUHFR SOLiD, Inc. cer tifies that as of the date of the application 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 SOLiD, Inc. (“the applicant”) certifies that, as of the date of t he filing of this application, the applicant is not identified on the Covered List ( as a specifically named entity or any of its subsidiaries or affiliates – see KDB 986446 Question 5) as an entity producing “covered” equipment. SOLiD, Inc. (“the applicant”) certifies that , the device does not hav e cybersecurity and / or anti- virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, identified on the Covered List i nstalled on the device, nor wil l i t be installed by the ap plicant any time after cer tification. Sincerely, Nam e: Yong Chul Kim Title: Team Manager Company Name: SOLiD, Inc. Company Address: 10, 9th Floor, SOLiD Space, Pangyoyeok-ro 220, Bundang-gu, Seongnam- sim Gyeonggi-do, Korea Email: [email protected]

Date: May 12, 2025 Rev: 0.1 HACS-F039 U.S. Agent for Service of Process Attestation HCT AMERICA, INC. ([email protected]) 840 Yosemite Way, Milpitas, CA 95035 TEL: +1.510.933.8848, Fax: +1.510.933.8849 Page 1 of 3 This document is electronically controlled. Hard copy documents are uncontrolled. Please check all hard copies against the controlled electronic copy to ensure validity. This document is the confidential property of HCT AMERICA, INC. It may not be forwarded or reproduced in whole or in part without written permissions from HCT AMERICA, INC. U.S. Agent for Service of Process Attestation Date: May 12, 2025 Rev: 0.1 HACS-F039 U.S. Agent for Service of Process Attestation HCT AMERICA, INC. ([email protected]) 840 Yosemite Way, Milpitas, CA 95035 TEL: +1.510.933.8848, Fax: +1.510.933.8849 Page 2 of 3 This document is electronically controlled. Hard copy documents are uncontrolled. Please check all hard copies against the controlled electronic copy to ensure validity. This document is the confidential property of HCT AMERICA, INC. It may not be forwarded or reproduced in whole or in part without written permissions from HCT AMERICA, INC. REVISION TABLE Rev Description of Change Date Approved 0.0 Original Release 07/15/2024 QM 0.1 Update Address 05/12/2025 QM Date: May 12, 2025 Rev: 0.1 HACS-F039 U.S. Agent for Service of Process Attestation HCT AMERICA, INC. ([email protected]) 840 Yosemite Way, Milpitas, CA 95035 TEL: +1.510.933.8848, Fax: +1.510.933.8849 Page 3 of 3 This document is electronically controlled. Hard copy documents are uncontrolled. Please check all hard copies against the controlled electronic copy to ensure validity. This document is the confidential property of HCT AMERICA, INC. It may not be forwarded or reproduced in whole or in part without written permissions from HCT AMERICA, INC. FCC Part 2.911(d)(7) Attestation U.S. Agent for Service of Process Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Attn: Reviewing Engineer Applicant Information: Company Name: SOLiD, Inc. Contact Name: Yong Chul Kim Company Address: 10, 9th Floor, SOLiD Space, Pangyoyeok-ro 220, Bundang-gu, Seongnam- sim Gyeonggi-do, Korea Email: [email protected] FRN: 0018550988 Applicant Signature: __________________ Signed by (Printed Name/Title: Yong Chul Kim / Team Manager) Date: May 8, 2026 SOLiD, Inc. (“the applicant”) as required by section 2.911(d)(7), designates the following agent, located in the United States, for purposes of acting as the applicant’s agent for service of process. The applicant acknowledges that they will 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. The applicant further acknowledges their responsibility to inf orm the FCC whenever the agent information changes. U. S. Agent Information: Company Name: SOLiD Gear Contact Name: Slavko Djukic Company Address: 800 Klein Road, Suite 200, Plano, TX 75074 Email: [email protected] FR N: 0030102206 U.S. Agent Signature: _____________________ Signed by (Printed Name/Title: Slavko Djukic / Vice President Technology and PLM) Date: May 8, 2026

Date : May. 12, 2025 Rev : 2.5 HACS-F004 FCC Agent Authorization Letter HCT America, Inc. ([email protected]) 840 Yosemite Way Milpitas, CA 95035 TEL: +1.510.933.8848, Fax: +1.510.933.8849 Page 1 of 2 This document is electronically controlled. Hard copy documents are uncontrolled. Please check all hard copies against the controlled electronic copy to ensure validity. This document is the confidential property of HCT America INC. It may not be forwarded or reproduced in whole or in part without written permissions from HCT America INC FCC Agent Authorization Letter Date : May. 12, 2025 Rev : 2.5 HACS-F004 FCC Agent Authorization Letter HCT America, Inc. ([email protected]) 840 Yosemite Way Milpitas, CA 95035 TEL: +1.510.933.8848, Fax: +1.510.933.8849 Page 2 of 2 This document is electronically controlled. Hard copy documents are uncontrolled. Please check all hard copies against the controlled electronic copy to ensure validity. This document is the confidential property of HCT America INC. It may not be forwarded or reproduced in whole or in part without written permissions from HCT America INC REVISION TABLE Rev Description of Change Date Approved 1.0 Original Release(Obsolete) 06/14/2012 QM 2.0 Updated template(Obsolete) 10/01/2012 QM 2.1 Updated address(Obsolete) 01/10/2014 QM 2.2 Updated address 11/18/2016 QM 2.3 Fixed Typo “Agent” 11/09/2017 QM 2.4 Update company name and editorial modification 7/15/2024 QM 2.5 Updated address 05/12/2025 QM SOLiD, Inc. HACS-F004 FCC Agent Authorization Letter Rev : 2.5 DATE : May 8, 2026 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD To whom it may concern: Subject : FCC Agent Authorization Letter for FCC ID : W6UPSEVHFUHFR We, the undersigned, hereby authorize HCT CO., LTD. to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by HCT CO., LTD. on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). We declare that the information provided to the FCC is true and correct to the best of our knowledge (47 CFR 2.911(d)) and we have been informed of the grantee responsibilities (47 CFR 2.909) with regard to certified equipment. We recognize that we are still responsible for the terms and conditions outlined in the HCT America Client Services Agreement. Thi s authorization is valid until further written notice from the applicant. Sin cerely, S igned by: Company Name : SOLiD, Inc. Company Address : 10, 9th Floor, SOLiD Space, Pangyoyeok-ro 220, Bundang-gu, Seongnam-sim Gyeonggi-do, Korea Contact Person Name/Title (in print) : Yong Chul Kim /Team Manager SOLiD, Inc. HACS-F004 FCC Agent Authorization Letter Rev : 2.5

Date : May. 12, 2025 Rev : 3.2 HACS-F003 FCC Confidentiality Request Letter HCT America, Inc. ([email protected]) 840 Yosemite Way Milpitas, CA 95035 TEL: +1.510.933.8848, Fax: +1.510.933.8849 Page 1 of 2 This document is electronically controlled. Hard copy documents are uncontrolled. Please check all hard copies against the controlled electronic copy to ensure validity. This document is the confidential property of HCT America INC. It may not be forwarded or reproduced in whole or in part without written permissions from HCT America INC FCC Confidentiality Request Letter Date : May. 12, 2025 Rev : 3.2 HACS-F003 FCC Confidentiality Request Letter HCT America, Inc. ([email protected]) 840 Yosemite Way Milpitas, CA 95035 TEL: +1.510.933.8848, Fax: +1.510.933.8849 Page 2 of 2 This document is electronically controlled. Hard copy documents are uncontrolled. Please check all hard copies against the controlled electronic copy to ensure validity. This document is the confidential property of HCT America INC. It may not be forwarded or reproduced in whole or in part without written permissions from HCT America INC REVISION TABLE Rev Description of Change Date Approved 1.0 Original Release(Obsolete) 06/14/2012 QM 2.0 Updated template(Obsolete) 10/01/2012 QM 2.1 Updated address(Obsolete) 01/10/2014 QM 2.2 Updated address 11/18/2016 QM 3.0 Updated LTC and STC Confidentiality table 11/09/2017 QM 3.1 Update company name and editorial modification 7/15/2024 QM 3.2 Updated address 05/12/2025 QM SOLiD, Inc. HACS-F003 FCC Confidentiality Request Letter Rev : 3.2 DATE : 05/08/2026 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD SUBJECT : Request for Confidentiality for FCC ID : W6UPSEVHFUHFR We hereby request confidential treatment of the information accompanying this application as outlined below: LONG-TERM AND SHORT-TERM CONFIDENTIAL LIST LONG-TERM CONFIDENTIAL Exhibit Description 1 Block Diagram 2 Operational Description and Tune-up Procedure 3 Parts List 4 Schematics SHORT-TERM CONFIDENTIAL (180 DAYS) 5 External Photos 6 Internal Photos 7 Test-Setup Photos 8 User’s Manual The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 & 0.459 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sinc erely, Si gned by: Company Name: SOLiD, Inc. Company Address: 10, 9th Floor, SOLiD Space, Pangyoyeok-ro 220, Bundang-gu, Seongnam-sim Gyeonggi-do, Korea Contact Name / Title: Yong chul Kim / Team manager

SOLiD, Inc Model : PS2RDU_E_VHF_UHF_R FCC ID : W6UPSEVHFUHFR IC : 9354A-PSEVHFUHFR 3 6.75 10.5 18.5 20 3 50 2.5 4.2 1.5 LOGO HEIGHT FONT TYPECOLOR 비고 표기된치수 - PANTONE BLACK C TEXT HEIGHT FONT TYPECOLOR 비고 ARIAL PANTONE BLACK C ALL 표기된 치수를 적용할것. 제공된 도안을 적용할 것. 1.5 은색데드론지 양면테이프 [ WARNING Label (IC) : 4304-001296 ] WARNING : This is NOT a CONSUMER device. It is designed for 12 2.5 2.25 7.5 1.5 installation by an installer approved by an ISED licensee. You MUST have an ISED LICENCE or the express consent of an ISED licensee to operate this device. 45 [ PS2RDU_E_VHF_UHF_R ] 12 2 2 8 1.5 45 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. [ FCC Label : 4304-001064 ] Made in KOREA 14.25 4 - R 1 . 5 4 - R 1 . 5 4 - R 1 . 5 1 2 1.5 WARNING. This is NOT a CONSUMER device. It is designed for installation by FCC LICENSEES and QUALIFIED INSTALLERS. You MUST have an FCC LICENSE or express consent of an FCC Licensee to operate this device. You MUST register Part 90 Class B signal boosters (as defined in 47 CFR 90.219) online at forfeiture penalties, including penalties in excess of $100,000 for each continuing violation. Part 90 Signal Boosters www.fcc.gov/signal-boosters/registration. Unauthorized use may result in significant 7.5 3.5 15 2 55 THIS IS A 90.219. CLASS B DEVICE [ WARNING Label (FCC) PART90 ] 4 - R 1 . 5 0.9 (260401) PS2RDU_E_VHF_UHF 부품단종 대체품 개발 건 NOTE 1. MATERIAL 1) 은무데드론지: 무광/유광 상관 없음. 2. PRINT 1) 글자 사양 및 LOGO 는 아래 표를 적용할것. 2) 인쇄 번짐, 끊김, 누락이 되지 않도록 유의할 것. 3) LOGO 의 위치는 글자와 적절히 배치되도록 적용할 것. Name LabelWarning Label (FCC) PART90 Warning Label (IC) Warning Label (FCC)

TEST REPORT FCC MPE Test for PS2RDU_E_VHF_UHF_R Certification APPLICANT SOLiD, Inc. REPORT NO. HCT-RF-2605-FC012 DATE OF ISSUE May 13, 2026 Tested by Kyung Soo Kang Technical Manager Jong Seok Lee F-TP22-03(Rev.06) 1 / 7 The report shall not be (partly) reproduced except in full without approval of the laboratory. HCT CO., LTD.2-6, 73, 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, Republic of Korea Tel. +82 31 645 6300 Fax. +82 31 645 6401 The report shall not be (partly) reproduced except in full without approval of the laboratory. F-TP22-03 (Rev. 06) Page 2 of 7 HCT CO.,LTD. 2-6, 73, 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, Republic of Korea Tel. +82 31 645 6300 Fax. +82 31 645 6401 TEST REPORT REPORT NO. HCT-RF-2605-FC012 DATE OF ISSUE May 13, 2026 A pplicantSOLiD,Inc. 10, 9th Floor, SOLiD Space, 220, Pangyoyeok-ro, Bundang-gu, Seongnam- si, Gyeonggi-do, Republic of Korea, 13493 Product Name Model Name DAS PS2RDU_E_VHF_UHF_R FCC IDW6UPSEVHFUHFR Date of TestApril 6, 2026 ~ May 13, 2026 Location of TestӍ Permanent Testing Lab ӎ On Site Testing (Address: 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi- do, Republic of Korea) Test Standard UsedCFR 47 Part 2.1091 Test ResultsPASS The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC012 F-TP22-03 (Rev. 06) Page 3 of 7 REVISION HISTORY The revision history for this test report is shown in table. Revision No. Date of Issue Description 0 May 13, 2026 Initial Release Notice Content Engineering Statement: The measurements shown in this report were made in accordance with the procedures indicated, and the emissions from this equipment were found to be within the limits applicable. I assume full responsibility for the accuracy and completeness of these measurements, and for the qualifications of all persons taking them. It is further stated that upon the basis of the measurements made, the equipment tested is capable of operation in accordance with the requirements of the FCC Rules under normal use and maintenance. The results shown in this test report only apply to the sample(s), as received, provided by the applicant, unless otherwise stated. The test results have only been applied with the test methods required by the standard(s). The laboratory is not accredited for the test results marked *. Information provided by the applicant is marked **. Test results provided by external providers are marked ***. When confirmation of authenticity of this test report is required, please contact www.hct.co.kr The test results in this test report are not associated with the ((KS Q) ISO/IEC 17025) accreditation by KOLAS (Korea Laboratory Accreditation Scheme) / A2LA (American Association for Laboratory Accreditation) that are under the ILAC (International Laboratory Accreditation Cooperation) Mutual Recognition Agreement (MRA). The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC012 F-TP22-03 (Rev. 06) Page 4 of 7 RF Exposure Statement 1. LIMITS According to §1.1310 and §2.1091 RF exposure is calculated. (B) Limits for General Population/Uncontrolled Exposures Frequency range (MHz) Electric field Strength (V/m) Magnetic field Strength (A/m) Power density (mW/cm²) Averaging time (minutes) 0.3 - 1.34 1.34 - 30 30 - 300 300 - 1500 1500 - 100.000 614 824/f 27.5   1.63 2.19/f 0.073   #) (100) #) (180/f²) 0.2 f/1500 1.0 30 30 30 30 30 F = frequency in MHz # = Plane-wave equivalent power density 2. MAXIMUM PERMISSIBLE EXPOSURE Prediction Prediction of MPE limit at a given distance S = PG/4πR² S = Power density P = power input to antenna 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 The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC012 F-TP22-03 (Rev. 06) Page 5 of 7 3. RESULTS - VHF (150.05 ~ 173.4) Maximum output Power at antenna input terminal 25.00 dBm Maximum output Power at antenna input terminal 316.23 mW Prediction distance 95.00 cm Prediction frequency 150.05 MHz Total Gain(typical) # 14.13 dBi Total Gain(numeric) 25.88 - Power density at prediction frequency(S) 0.0722 mW/cm 2 MPE limit for uncontrolled exposure at prediction frequency 0.1000 mW/cm 2 # Total Gain = Peak Antenna Gain + Cable Loss The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC012 F-TP22-03 (Rev. 06) Page 6 of 7 - UHF (406.1 ~ 420) Maximum output Power at antenna input terminal 25.00 dBm Maximum output Power at antenna input terminal 316.23 mW Prediction distance 95.00 cm Prediction frequency 406.10 MHz Total Gain(typical) # 14.13 dBi Total Gain(numeric) 25.88 - Power density at prediction frequency(S) 0.0722 mW/cm 2 MPE limit for uncontrolled exposure at prediction frequency 0.2707 mW/cm 2 # Total Gain = Peak Antenna Gain + Cable Loss - UHF (421 ~ 430) Maximum output Power at antenna input terminal 25.00 dBm Maximum output Power at antenna input terminal 316.23 mW Prediction distance 90.00 cm Prediction frequency 421.00 MHz Total Gain(typical) # 14.13 dBi Total Gain(numeric) 25.88 - Power density at prediction frequency(S) 0.0804 mW/cm 2 MPE limit for uncontrolled exposure at prediction frequency 0.2807 mW/cm 2 # Total Gain = Peak Antenna Gain + Cable Loss - UHF (450 ~ 512) Maximum output Power at antenna input terminal 25.00 dBm Maximum output Power at antenna input terminal 316.23 mW Prediction distance 90.00 cm Prediction frequency 450.00 MHz Total Gain(typical) # 14.13 dBi Total Gain(numeric) 25.88 - Power density at prediction frequency(S) 0.0804 mW/cm 2 MPE limit for uncontrolled exposure at prediction frequency 0.3000 mW/cm 2 # Total Gain = Peak Antenna Gain + Cable Loss The report shall not b…

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TEST REPORT FCC Test for PS2RDU_E_VHF_UHF_R Certification APPLICANT SOLiD, Inc. REPORT NO. HCT-RF-2605-FC011 DATE OF ISSUE May 13, 2026 Tested by Kyung Soo Kang Technical Manager Jong Seok Lee F-TP22-03(Rev.06) 1 / 73 The report shall not be (partly) reproduced except in full without approval of the laboratory. HCT CO., LTD.2-6, 73, 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, Republic of Korea Tel. +82 31 645 6300 Fax. +82 31 645 6401 The report shall not be (partly) reproduced except in full without approval of the laboratory. F-TP22-03 (Rev. 06) Page 2 of 73 HCT CO.,LTD. 2-6, 73, 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, Republic of Korea Tel. +82 31 645 6300 Fax. +82 31 645 6401 TEST REPORT REPORT NO. HCT-RF-2605-FC011 DATE OF ISSUE May 13, 2026 A pplicantSOLiD,Inc. 10, 9th Floor, SOLiD Space, 220, Pangyoyeok-ro, Bundang-gu, Seongnam- si, Gyeonggi-do, Republic of Korea, 13493 Product Name Model Name DAS PS2RDU_E_VHF_UHF_R FCC IDW6UPSEVHFUHFR Date of TestApril 6, 2026 ~ May 13, 2026 Location of TestӍ Permanent Testing Lab ӎ On Site Testing (Address: 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi- do, Republic of Korea) Test Standard UsedCFR 47 Part 2, Part 90 Test ResultsPASS The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC011 F-TP22-03 (Rev. 06) Page 3 of 73 REVISION HISTORY The revision history for this test report is shown in table. Revision No. Date of Issue Description 0 May 13, 2026 Initial Release Notice Content Engineering Statement: The measurements shown in this report were made in accordance with the procedures indicated, and the emissions from this equipment were found to be within the limits applicable. I assume full responsibility for the accuracy and completeness of these measurements, and for the qualifications of all persons taking them. It is further stated that upon the basis of the measurements made, the equipment tested is capable of operation in accordance with the requirements of the FCC Rules under normal use and maintenance. The results shown in this test report only apply to the sample(s), as received, provided by the applicant, unless otherwise stated. The test results have only been applied with the test methods required by the standard(s). The laboratory is not accredited for the test results marked *. Information provided by the applicant is marked **. Test results provided by external providers are marked ***. When confirmation of authenticity of this test report is required, please contact www.hct.co.kr The test results in this test report are not associated with the ((KS Q) ISO/IEC 17025) accreditation by KOLAS (Korea Laboratory Accreditation Scheme) / A2LA (American Association for Laboratory Accreditation) that are under the ILAC (International Laboratory Accreditation Cooperation) Mutual Recognition Agreement (MRA). The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC011 F-TP22-03 (Rev. 06) Page 4 of 73 CONTENTS 1. GENERAL INFORMATION 5 1.1. APPLICANT INFORMATION 5 1.2. PRODUCT INFORMATION 5 1.3. TEST INFORMATION 5 2. FACILITIES AND ACCREDITATIONS 6 2.1. FACILITIES 6 2.2. EQUIPMENT 6 3. TEST SPECIFICATIONS 7 3.1. STANDARDS 7 3.2. ADDITIONAL DESCRIPTIONS ABOUT TEST 8 3.3. MEASUREMENTUNCERTAINTY 10 3.4. STANDARDS ENVIRONMENTAL TEST CONDITIONS 10 3.5. TEST DIAGRAMS 11 4. TEST EQUIPMENTS 13 5. TEST RESULT 14 5.1. AGC THRESHOLD 14 5.2. OUT-OF-BAND REJECTION 18 5.3. OCCUPIED BANDWIDTH 20 5.4. INPUT-VERSUS-OUTPUT SIGNAL COMPARISON 31 5.5. INPUT/OUTPUT POWER AND AMPLIFIER/BOOSTER GAIN 42 5.6. NOISE FIGURE 53 5.7. OUT-OF-BAND/OUT-OF-BLOCK EMISSIONS AND SPURIOUS EMISSIONS 56 5.8. RADIATED SPURIOUS EMISSIONS 65 5.9. FREQUENCY STABILITY 67 6. Annex A_EUT AND TEST SETUP PHOTO 73 The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC011 F-TP22-03 (Rev. 06) Page 5 of 73 1. GENERAL INFORMATION 1.1. APPLICANT INFORMATION Company Name SOLiD,Inc. Company Address 10, 9th Floor, SOLiD Space, 220, Pangyoyeok-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea, 13493 1.2. PRODUCT INFORMATION EUT Type DAS EUT Serial Number 2026030001 Power Supply AC 110~220 Vac Frequency Range Band Name Downlink (MHz) VHF 150.05 ~ 173.4 UHF 406.1 ~ 420 421 ~ 430 450 ~ 512 Tx Output Power 24 dBm Antenna Gain ( # Total Gain) Peak Antenna Gain: Band Name Downlink VHF / UHF 17 dBi 14.85 dBd # Total Gain = Peak Antenna Gain + Cable Loss (Cable Loss: Downlink -2.87 dB) Band Name Downlink VHF / UHF 14.13 dBi 11.98 dBd 1.3. TEST INFORMATION FCC Rule Parts CFR 47 Part 2, Part 90 Measurement Standards KDB 935210 D05 v01r04, KDB 971168 D01 v03r01, KDB 935210 D02 v04r03, ANSI C63.26-2015 Test Location 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, Republic of Korea The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC011 F-TP22-03 (Rev. 06) Page 6 of 73 2. FACILITIES AND ACCREDITATIONS 2.1. FACILITIES The SAC(Semi-Anechoic Chamber) and conducted measurement facility used to collect the radiated data are located at the 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, Republic of Korea. The site is constructed in conformance with the requirements of ANSI C63.4. (Version :2014) and CISPR Publication 22. Detailed description of test facility was submitted to the Commission and accepted dated February 26, 2026(Registration Number: KR0032). 2.2. EQUIPMENT Radiated emissions are measured with one or more of the following types of linearly polarized antennas: tuned dipole, bi-conical, log periodic, bi-log, and/or ridged waveguide, horn. Spectrum analyzers with pre-selectors and quasi-peak detectors are used to perform radiated measurements. Calibrated wideband preamplifiers, coaxial cables, and coaxial attenuators are also used f…

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The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC011 F-TP22-03 (Rev. 06) Page 37 of 73 Input @ +3 dB AGC threshold / UHF (406.1 ~ 420) / Downlink / IDEN / Mask C Output @ +3 dB AGC threshold / UHF (406.1 ~ 420) / Downlink / IDEN / Mask C The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC011 F-TP22-03 (Rev. 06) Page 38 of 73 Input / UHF (421 ~ 430) / Downlink / IDEN / Mask C Output / UHF (421 ~ 430) / Downlink / IDEN / Mask C The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC011 F-TP22-03 (Rev. 06) Page 39 of 73 Input @ +3 dB AGC threshold / UHF (421 ~ 430) / Downlink / IDEN / Mask C Output @ +3 dB AGC threshold / UHF (421 ~ 430) / Downlink / IDEN / Mask C The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC011 F-TP22-03 (Rev. 06) Page 40 of 73 Input / UHF (450 ~ 512) / Downlink / IDEN / Mask C Output / UHF (450 ~ 512) / Downlink / IDEN / Mask C The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC011 F-TP22-03 (Rev. 06) Page 41 of 73 Input @ +3 dB AGC threshold / UHF (450 ~ 512) / Downlink / IDEN / Mask C Output @ +3 dB AGC threshold / UHF (450 ~ 512) / Downlink / IDEN / Mask C The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC011 F-TP22-03 (Rev. 06) Page 42 of 73 5.5. INPUT/OUTPUT POWER AND AMPLIFIER/BOOSTER GAIN Test Requirement: §2.1046 Measurements required: RF power output. (a) For transmitters other than single sideband, independent sideband and controlled carrier radiotelephone, power output shall be measured at the RF output terminals when the transmitter is adjusted in accordance with the tune-up procedure to give the values of current and voltage on the circuit elements specified in §2.1033(c)(8). The electrical characteristics of the radio frequency load attached to the output terminals when this test is made shall be stated. (b) For single sideband, independent sideband, and single channel, controlled carrier radiotelephone transmitters the procedure specified in paragraph (a) of this section shall be employed and, in addition, the transmitter shall be modulated during the test as specified and applicable in § 2.1046 (b) (1-5). In all tests, the input level of the modulating signal shall be such as to develop rated peak envelope power or carrier power, as appropriate, for the transmitter. (c) For measurements conducted pursuant to paragraphs (a) and (b) of this section, all calculations and methods used by the applicant for determining carrier power or peak envelope power, as appropriate, on the basis of measured power in the radio frequency load attached to the transmitter output terminals shall be shown. Under the test conditions specified, no components of the emission spectrum shall exceed the limits specified in the applicable rule parts as necessary for meeting occupied bandwidth or emission limitations. §90.219 Use of signal boosters. (e) Device Specifications. In addition to the general rules for equipment certification in §90.203(a)(2) and part 2, subpart J of this chapter, a signal booster must also meet the rules in this paragraph. (1) The output power capability of a signal booster must be designed for deployments providing a radiated power not exceeding 5 Watts ERP for each retransmitted channel. The report shall not be (partly) reproduced except in full without approval of the laboratory. Report No. HCT-RF-2605-FC011 F-TP22-03 (Rev. 06) Page 43 of 73 Test Procedures: Measurements were in accordance with the test methods section 4.5 of KDB 935210 D05 v01r04. 4.5.2 Measuring input and output power levels for determining amplifier/booster gain Apply the same guidance as in 3.5.2 to measure the maximum input and output power levels necessary for computing the mean EUT gain…

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