CCRCHXD2TRANSMITTER

OWNER'S MANUAL DIGITAL WIRELESS TWO - CHANNEL Copyright 2023, Samson Technologies Corp V1.3 Samson Technologies Corp. 278-B Duffy Ave Hicksville, NY 11801 www.samsontech.com Concert XD2 Wireless System3 Important Safety Information 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 9. Do not defeat the safety purpose of the polarized or grounding type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. 10. Protect the power cord from being walked on or pinched particularly at the plugs, convenience receptacles, and at the point where they exit from the apparatus. 11. Only use attachments/accessories specified by the manufacturer. 12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over. 13. Unplug the apparatus during lightening storms, or when unused for long periods of time. 14. Refer all servicing to qualified personnel. Service is required when the apparatus has been damaged in any way, such as power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. 15. This appliance shall not be exposed to dripping or splashing water and that no object filled with liquid such as vases shall be placed on the apparatus. 16. Caution-to prevent electrical shock, match wide blade plug wide slot fully insert. 17. Please keep a good ventilation environment around the entire unit. 18. The direct plug-in adapter is used as disconnect device, the disconnect device shall remain readily operable. 19. Batteries (battery pack or batteries installed) shall not be exposed to excessive heat such as sunshine, fire or the like. If you want to dispose this product, do not mix it with general household waste. There is a separate collection system for used electronic products in accordance with legislation that requires proper treatment, recovery and recycling. Private household in the 27 member states of the EU, in Switzerland and Norway may return their used electronic products free of charge to designated collection facilities or to a retailer (if you purchase a similar new one). For Countries not mentioned above, please contact your local authorities for a correct method of disposal. By doing so you will ensure that your disposed product undergoes the necessary treatment, re- covery and recycling and thus prevent potential negative effects on the environment and human health. 4 FCC Rules and Regulations Samson wireless receivers are certified under FCC Rules part 15 and transmitters are certified under FCC Rules part 15D. Licensing of Samson equipment is the user’s responsibility and licensability depends on the user’s classification, application and frequency selected. This device complies with Part 15 of the FCC rules Class B and RSS-213 of Industry & Science Canada. Operation is subject to the following two conditions: (1) This device must not cause harmful interference, and (2) This device must accept any interference received including interference that may cause undesired operation. Suitable for home or office use. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced Radio/TV technician for help. WARNING: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment is intended for use in wireless microphone applications. Equipment is intended for sale in: AT, BE, CH, CY, CZ*, DK, EE, FI*, FR*, DE*, GR*, HU, IE, IS, IT, LV, LT*, LU, MT*, NL, NO*, PL* PT, RO, SK, SI, ES, SE, UK *Subject to license. Please contact your national frequency authority for information on available legal use in your area. Any changes or modifications not expressly approved by Samson Technologies Corp. could void your authority to operate the equipment. Hereby, Samson Technologies Corp., declares that this CRXD2 and CHXD2/CBXD2 is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/ EU. Important Safety Information Concert XD2 Wireless System5 Introduction The Concert XD2 system provides a bullet-proof, reliable wireless performance at any venue around the globe. In these pages, you’ll find a detaile…

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Sam Ash Music Corporation 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – Equipment Type Company name: Sam Ash Music Corporation Address: 262 Duffy Avenue Hicksville New York United States 11801 Product Name: TRANSMITTER FCC ID: CCRCHXD2 Model(s): CHXD2 2.911(d)(5)(i) Equipment Type We, [Sam Ash Music Corporation] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules.  Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Don Albanese Date: 2023.12.19 Title and Company name: Manager Sam Ash Music Corporation NOTE 1 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Sam Ash Music Corporation 2.911 (d)(5)(ii) Applicant Attestation v1.3 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: Sam Ash Music Corporation Address: 262 Duffy Avenue Hicksville New York United States 11801 Product Name: TRANSMITTER FCC ID: CCRCHXD2 Model(s): CHXD2 2.911(d)(5)(ii) Applicant filing We, [Sam Ash Music Corporation] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to § 1.50002 of this chapter, as an entity producing covered communications equipment. Yours sincerely, Name: Don Albanese Date: 2023.10.23 Title and Company name:Manager Sam Ash Music Corporation NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Sam Ash Music Corporation 2.911 (d)(7)USA Agent v1.5 Section 2.911(d)(7) USA Agent for Service of Process Company name: Sam Ash Music Corporation Address: 262 Duffy Avenue Hicksville New York United States 11801 Product Name: TRANSMITTER FCC ID: CCRCHXD2 Model(s): CHXD2 2.911(d)(7) USA Designated Agent for Service of Process We, [Sam Ash Music Corporation] (“the applicant”) designate [Sam Ash Music Corporation] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent: We acknowledge our consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledge our acceptance of our obligation to maintain an agent for service of process in the United States for no less than one year after either we the grantee have permanently terminated all marketing and importation of the applicable equipment within the U.S., or at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Agent obligation: We acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email address for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. USA Agent Company name: Sam Ash Music Corporation USA Address: 262 Duffy Avenue Hicksville New York United States 11801 FRN Number 0009055401 Contact Name: Don Albanese Telephone No: 516 364-2244 Email: [email protected] Applicant Company name: Sam Ash Music Corporation Address: 262 Duffy Avenue Hicksville New York United States 11801 Grantee FRN Number 0009055401 FCC Grantee Code: CCR Contact Name: Don Albanese Telephone No: 516 364-2244 Email: [email protected] Sam Ash Music Corporation 2.911 (d)(7)USA Agent v1.5 Signature: Title: Manager Signature: Title: Manager Date:2023.10.23 Date: 2023.10.23 NOTE 1: An applicant located in the United States may designate itself as the agent for service of process. Reference; Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

Sam Ash Music Corporation Agent Authorization Company: Sam Ash Music Corporation Address: 262 Duffy Avenue Hicksville New York United States 11801 Product Name: TRANSMITTER Model Number(s): CHXD2 Product Description: TRANSMITTER We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2023.10.23 Name: Don Albanese Title: Manager Company: Sam Ash Music Corporation

Sam Ash Music Corporation Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023.10.23 Subject; Request for Confidentiality FCC ID: CCRCHXD2 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Date: 2023.10.23 Name: Don Albanese Title: Manager Company: Sam Ash Music Corporation

Page 1 of 3 Report No.: STS2308154 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model:CHXD2 Photo 1 Photo 2 Page 2 of 3 Report No.: STS2308154 Photo 3 Photo 4 Page 3 of 3 Report No.: STS2308154 Photo 5 Photo 6

FCC Label Size: 20*10mm The label is attached to the shell TRANSMITTER CHXD2 FCC ID: CCRCHXD2

Page 1 of 4 Report No.: STS2308154 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model:CHXD2 Photo 1 Photo 2 DECT Antenna 1 DECT Antenna 2 Page 2 of 4 Report No.: STS2308154 Photo 3 Photo 4 Page 3 of 4 Report No.: STS2308154 Photo 5 Photo 6 Page 4 of 4 Report No.: STS2308154 Photo 7

Page 1 of 56 FCC ID: CCRCHXD2 Report No.:LCSA12123081E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity SAR TEST REPORT For Sam Ash Music Corporation TRANSMITTER Test Model:CHXD2 Prepared for : Sam Ash Music Corporation Address : 262 Duffy Avenue Hicksville New York United States 11801 Prepared by : Shenzhen LCS Compliance Testing Laboratory Ltd. Address : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Date of receipt of test sample : Sep 22, 2023 Number of tested samples Sample number : : 1 A040323386-1 Serial number : Prototype Date of Test : Sep 22, 2023 Date of Report : Sep 26, 2023 Page 2 of 56 FCC ID: CCRCHXD2 Report No.:LCSA12123081E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity SAR TEST REPORT Report Reference No. ............... : LCSA12123081E Date Of Issue .............................. : Sep 26, 2023 Testing Laboratory Name ........ : Shenzhen LCS Compliance Testing Laboratory Ltd. Address ....................................... : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Testing Location/ Procedure ....... : Full application of Harmonised standards ■ Partial application of Harmonised standards □ Other standard testing method □ Applicant’s Name...................... : Sam Ash Music Corporation Address ....................................... : 262 Duffy Avenue Hicksville New York United States 11801 Test Specification: Standard ...................................... : IEEE Std C95.1, 2019/IEEE Std 1528™-2013/FCC Part 2.1093 Test Report Form No. ................. : LCSEMC-1.0 TRF Originator ........................... : Shenzhen LCS Compliance Testing Laboratory Ltd. Master TRF ................................. : Dated 2011-03 Shenzhen LCS Compliance Testing Laboratory Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Shenzhen LCS Compliance Testing Laboratory Ltd. takes noresponsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test Item Description. .............. : TRANSMITTER Trade Mark ................................. : SAMSON Test Model .................................. : CHXD2 Operation Frequency .................. : DECT: 1921.536 MHz ~ 1928.448 MHz Result ........................................ : Positive Compiled by: Supervised by: Approved by: Approved by: Jay Zhan / File administrators Cary Luo / Technique principal Gavin Liang / Manager Page 3 of 56 FCC ID: CCRCHXD2 Report No.:LCSA12123081E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity SAR -- TEST REPORT Test Result Positive The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Test Report No. : LCSA12123081E Sep 26, 2023 Date of issue Type / Model......................... : CHXD2 EUT....................................... : TRANSMITTER Applicant.............................. : Sam Ash Music Corporation Address.................................. : 262 Duffy Avenue Hicksville New York United States 11801 Telephone.............................. : / Fax......................................... : / Manufacturer....................... : ShenZhen TianheiYan Science and technology Address.................................. : Room113. Zixinda. Building, NO.1053, Baoyuan Road, XiXiang Sub-district, Baoan Distric, Shenzhen City, China. Telephone.............................. : / Fax......................................... : / Factory.................................. : / Address.................................. : / Telephone.............................. : / Fax......................................... : / Page 4 of 56 FCC ID: CCRCHXD2 Report No.:LCSA12123081E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Revison History Revision Issue Date Revision Content Revised By 000 Sep 26, 2023 Initial Issue --- Page 5 of 56 FCC ID: CCRCHXD2 Report No.:LCSA12123081E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity TABLE OF CONTENTS 1. TEST STANDARDS AND TEST DESCRIPTION ..................................................................................................................... 6 1.1. TEST STANDARDS ................................................................................................................................................................... 6 1.2. TEST DESCRIPTION ..................................................................................................…

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Antenna Specification Antenna type Monopole ANT Antenna gain 0dBi Model name CHXD2 Brand name SAMSON

Antenna Specification Antenna type PCB ANT Antenna gain 0dBi Model name CHXD2 Brand name SAMSON

Any reproduction of this document must be done in full. No single part of this document may be repro- duced without permission from STS, all test data presented in this report is only applicable to presented test sample. Radio Test Report Report No.: STS2308154W01 Issued for Sam Ash Music Corporation 262 Duffy Avenue Hicksville New York United States 11801 Product Name: TRANSMITTER Brand Name: SAMSON Model Name: CHXD2 Series Model(s):N/A FCC ID:CCRCHXD2 Test Standards:Title 47 of the CFR, Part 15 Subpart D Page 2 of 84 Report No.: STS2308154W01 TEST RESULT Applicant’s Name ................. : Sam Ash Music Corporation Address .................................. : 262 Duffy Avenue Hicksville New York United States 11801 Manufacturer's Name ........... : Sam Ash Music Corporation Address .................................. : 262 Duffy Avenue Hicksville New York United States 11801 Product Description Product Name ........................ : TRANSMITTER Brand Name ......................... : SAMSON Model Name ........................... : CHXD2 Series Model .......................... : N/A Test Standards ..................... : Title 47 of the CFR, Part 15. Subpart D Test procedure ........................ : ANSI C63.17-2013 This device described above has been tested by STS and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of STS, this document only be altered or revised by STS, personal only, and shall be noted in the revision of the document. Date of Test ........................................... : Date of receipt of test item ..................... : 28 Aug. 2023 Date of performance of tests .................. : 28 Aug. 2023 ~ 26 Sept. 2023 Date of Issue .......................................... : 26 Sept. 2023 Test Result .............................................. : Pass Testing Engineer : (Lenon Hou) Technical Manager : (Sean she) Authorized Signatory : (Chris Chen) Page 3 of 84 Report No.: STS2308154W01 TABLE OF CONTENTS Page 1 INTRODUCTION 7 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2 PRODUCT INFORMATION 8 3 TEST CONFIGURATION OF EQUIPMENT UNDER TEST 9 3.1 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 9 3.2 SYSTEM TEST CONFIGURATION 10 4 MEASUREMENT INSTRUMENTS 11 5 TEST ITEMS 12 5.1 ANTENNA REQUIREMENT 12 5.2 MODULATION TECHNIQUES 12 5.3 EMISSION BANDWIDTH 13 5.4 PEAK TRANSMIT POWER 18 5.5 POWER SPECTRAL DENSITY 23 5.6 POWER ADJUSTMENT FOR ANTENNA GAIN 28 5.7 AUTOMATICALLY DISCONTINUE TRANSMISSION 29 5.8 SYSTEM ACKNOWLEDGE-MENT TEST 30 5.9 MONITORING THRESHOLD 31 5.10 DURATION OF TRANSMISSION 32 5.11 SELECTED CHANNEL CONFIRMATION, POWER ACCURACY, SEGMENT OCCUPANCY 34 5.12 RANDOM WAITING 36 5.13 MONITORING REQUIREMENTS 37 5.14 MONITORING ANTENNA 38 5.15 DUPLEX CONNECTIONS 38 5.16 ALTERNATIVE MONITORING INTERVAL FOR CO-LOCATED DEVICES 39 5.17 FAIR ACCESS 39 5.18 SPURIOUS EMISSIONS 40 5.19 FRAME PERIOD 56 5.20 FREQUENCY STABILITY 57 5.21 CONDUCTED EMISSION MEASUREMENT 61 5.22 RADIATED SPURIOUS EMISSION 63 Page 4 of 84 Report No.: STS2308154W01 Revision History Rev. Issue Date Report No. Effect Page Contents 00 26 Sept. 2023 STS2308154W01 ALL Initial Issue Page 5 of 84 Report No.: STS2308154W01 SUMMARY OF TEST RESULTS Test procedures according to the technical standards: The following tests were conducted on a sample of the equipment for the purpose of demonstrating com- pliance with Part 15 Subpart D. Requirement FCC Part Test Procedure Result Emission Bandwidth 15.323 (a) 6.1.3 Compliant Labeling Requirements 15.19(a)(3) -- Compliant Conducted Emissions 15.315 & 15.207 ANSI C63.4 Not Applicable Antenna Requirements 15.317 & 15.203 Declaration Compliant Use digital modulation 15.319 (b) 6.1.4 Compliant Peak transmit power 15.319 (c) 6.1.2 Compliant Power spectral density 15.319 (d) 6.1.5 Compliant Power adjustment for an- tenna gain 15.319 (e) 4.3.1 Compliant Automatically dis- continue transmis- sion 15.319 (f) -- Compliant Spurious emissions conducted 15.323 (d) (1) & 15.323 (d) (2) 6.1.6 Compliant RF Exposure 15.319 (i) & 1.1307(b), 2.1091 and 2.1093 ANSI/IEEE C95.1 Compliant (The test data please refer to RF exposure report) Monitoring time 15.323 (c)(1) 7.3.4 Compliant Monitoring thresh- old 15.323 (c)(2) 7.3 Compliant Duration of transmission 15.323 (c)(3) 8.2.2 Not Applicable System acknowledgment test 15.323(c)(4) 8.2.1 Compliant Channel confirmation, Power accuracy, Segment occupancy 15.323 (c)(5) 7.3.3 & 7.3.4 Compliant Random waiting 15.323 (c)(6) 8.1.3 Not Applicable Monitoring bandwidth 15.323 (c)(7) 7.4 Compliant Page 6 of 84 Report No.: STS2308154W01 Monitoring reaction time 15.323 (c)(1 ) 7.5 Compliant Monitoring antenna 15.323 (c)(8) 4 Compliant Monitoring thresh- old relaxation 15.323 (c)(9) 4 Compliant Duplex connections 15.323 (c)(10) 8.3 Not Applicable Alternate monitoring interval 15.323 (c)(11) 8.4 Not Applicable Fair access 15.323 (c)(12) Declaration Not Applicable Frame period 15.323 (e) 6.2.2 & 6.2.3 Compliant Frequency stability 15.323 (f) 6.2.1 Compliant Radiated Out of Band Emissions 15.319 (g), 15.309 (b) & FCC Part 15 Subpart B, 15.109 and 15.209 -- Compliant Page 7 of 84 Report No.: STS2308154W01 1 INTRODUCTION 1.1 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a stand- ard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±1.197dB 2 Unwanted Emission…

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CCRCHXD2_SAR Setup photos Body Front Side (separation distance is 0mm) Body Back Side (separation distance is 0mm) Body Left Side (separation distance is 0mm) Body Right Side (separation distance is 0mm) Body Bottom Side (separation distance is 0mm)

Page 1 of 1 Report No.: STS2308154 PUF Setup photo Model name: CHXD2 Radiated Spurious Emission（Below 1GHz） Radiated Spurious Emission （Above 1GHz ）