DD4ULXD8H50Wireless Gooseneck Transmitter

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120623-17 rev 9 Certification Application Attestation Statements Date: August 9, 2024 American Certification Body, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 To Whom It May Concern: Statement for 47 CFR section 2.911(d)(5)(i) _____Shure Incorporated _____ certifies that as of the date of the application the equipment for which authorization is sought is not “covered” equipment 1 prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, including affiliates or subsidiaries of the named companies, the applicant must include an explanation on why the equipment is not “covered” equipment. Additional Explanation: <N/A> Statement for 47 CFR section 2.911(d)(5)(ii) _____Shure Incorporated _____ (“the applicant”) certifies that, as of the date of the filing of this application, the applicant ☐ - is / ☐ - 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. Thank you, By: __________________________ ______ Juan Castrejon______ (Signature 2 ) (Print name) Title: ___ Engineer Associate Staff, GC ______ Company: ___ Shure Incorporated ______ Telephone: _____ 847-600-8651 ______ 1 - The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist . 2 - Letters must be placed on appropriate letterhead.

09 2723-17 Rev 9 U.S. Agent Designation for Service of Process (Applicant is Both Grantee and U.S. Agent) TO: American Certification Body, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 ATTENTION: FCC Certification – Section 2.911(d)(7) Information This letter is to confirm that the Applicant will also serve as the U.S. Agent for Service of Process as required by 47 CFR 2.911(d)(7). The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The Applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information changes. Applicant Company name: Shure Incorporated FRN #: 0030683478 Grantee Code: DD4 Contact Name: Juan Castrejon Street Address: 5800 W. Touhy Ave City/Province/Zip: Niles/ Illinois/ 60714-4608 Telephone No: 847-600-8651 Email: [email protected] Applicant Signature 1 : Date: August 9, 2024 Signed by (Printed Name/Title): Juan Castrejon / Engineer Associate Staff, GC 1 - Letters must be placed on appropriate letterhead. The signee for the applicant must be one of the following: Applicant ( grantee) contact of record in the FCC’s authorization system, or authorized officers or employee of the applicant (grantee).

C2PC Request Letter Federal Communications Commission Authorization and Evaluation Division Subject: Class II permissive change for FCC ID: DD4ULXD8H50 (Original Grant Date:11/30/2016) Applicant: Shure Incorporated Dear Sirs, This is to request a class II permissive change for FCC ID: DD4ULXD8H50, Original Grant Date: 11/30/2016 The major change filed under this application is as outlined below: · Change amplifier from Avago MGA-68563 to Mini-Circuits PSA-5455+ · The new chip has the same basic function as the old chip. · The new chip component is pin-for-pin compatible. · No change in radio parameters has occurred. · Placed in the same position.. If you have any questions regarding this application, please feel free to contact me. Sincerely, Signature: Print Name: Juan Castrejon Title: Engineer Associate Staff Company: Shure Incorporated Date: August 13, 2024

Confidentiality Request Letter Federal Communications Commission Authorization and Evaluation Division FCC ID: DD4ULXD8H50 Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: 1. Block Diagram 2. Schematics The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Signature: Print Name: Juan Castrejon Title: Engineer Associate Staff Company: Shure Incorporated Date: August 13, 2024

Declaration of Authorization We Name: Shure Incorporated Address: 5800 West Touhy Avenue, Niles, IL 60714-4608, USA Declare that: Name Representative of agent: Marlin Chen Agent Company name: MRT Technology (Suzhou) Co., Ltd Address: D8 Building, Youxin Industrial Park, No.2 Tian'edang Rd., Wuzhong Economic Development Zone City: Suzhou Country: China is authorized to apply for Certification of the following product(s): Product: Wireless Gooseneck Transmitter FCC ID: DD4ULXD8H50 Model No.: ULXD8 H50 ULXD8W H50 Sincerely, Signature: Print Name: Juan Castrejon Title: Engineer Associate Staff Company: Shure Incorporated Date: August 13, 2024

Confidentiality Request Letter Federal Communications Commission Authorization and Evaluation Division FCC ID: DD4ULXD8H50 Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: 1. Block Diagram 2. Schematics 3. Operation Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Signature: Print Name: Juan Castrejon Title: Engineer Associate Staff Company: Shure Incorporated Date: September 3, 2024

Report No.: 2407RSU018-UE 1 of 10 EUT External Photograph (1) EUT Photo (2) EUT Photo Report No.: 2407RSU018-UE 2 of 10 (3) EUT Photo (4) EUT Photo Report No.: 2407RSU018-UE 3 of 10 (5) EUT Photo (6) EUT Photo Report No.: 2407RSU018-UE 4 of 10 (7) EUT Photo (8) EUT Photo

  

Report No.: 2407RSU018-UE 5 of 10 EUT Internal Photograph (9) EUT Photo (10) EUT Photo Report No.: 2407RSU018-UE 6 of 10 (11) EUT Photo (12) EUT Photo Report No.: 2407RSU018-UE 7 of 10 (13) EUT Photo (14) EUT Photo Report No.: 2407RSU018-UE 8 of 10 (15) EUT Photo (16) EUT Photo Report No.: 2407RSU018-UE 9 of 10 (17) EUT Photo (18) EUT Photo Report No.: 2407RSU018-UE 10 of 10 (19) EUT Photo (20) EUT Photo

MRT Technology (Suzhou) Co., Ltd Report No.: 2407RSU018-U11 Phone: +86-512-66308358 Report Version: V01 Web: www.mrt-cert.com Issue Date: 2024-08-22 Template Version:0.1 1 of 10 RF Exposure Evaluation Declaration FCC ID: DD4ULXD8H50 Applicant: Shure Incorporated Product: Wireless Gooseneck Transmitter Model No.: ULXD8 H50, ULXD8W H50 Brand Name: , FCC Rule Part(s): FCC Part 2.1091 Result: Complies Evaluation Date: 2024-08-22 Reviewed By: Jame Yuan Approved By: Robin Wu The test results relate only to the samples tested. The test results shown in the test report are traceable to the national/international standards through the calibration of the equipment and evaluated measurement uncertainty herein. The test report shall not be reproduced except in full without the written approval of MRT Technology (Suzhou) Co., Ltd. Report No.: 2407RSU018-U11 2 of 10 Revision History Report No. Version Description Issue Date Note 2407RSU018-U11 V01 Initial Report 2024-08-22 Valid Report No.: 2407RSU018-U11 3 of 10 CONTENTS Description Page 1. General Information ............................................................................................................................... 4 1.1. Applicant ........................................................................................................................................4 1.2. Manufacturer .................................................................................................................................4 1.3. Testing Facility ...............................................................................................................................4 1.4. Product Information .......................................................................................................................5 1.5. Antenna Details .............................................................................................................................5 1.6. Device Classification .....................................................................................................................5 1.7. Applied Standards .........................................................................................................................5 2. RF Exposure Evaluation ........................................................................................................................ 6 2.1. Limits .............................................................................................................................................6 2.2. MPE Exemptions ...........................................................................................................................7 2.3. Calculated Result ....................................................................................................................... 10 Report No.: 2407RSU018-U11 4 of 10 1. General Information 1.1. Applicant Shure Incorporated 5800 West Touhy Avenue, Niles, IL 60714-4608, USA 1.2. Manufacturer Shure Incorporated 5800 West Touhy Avenue, Niles, IL 60714-4608, USA 1.3. Testing Facility Test Site – MRT Suzhou Laboratory Laboratory Location (Suzhou - Wuzhong) D8 Building, No.2 Tian’edang Rd., Wuzhong Economic Development Zone, Suzhou, China Laboratory Location (Suzhou - SIP) 4b Building, Liando U Valley, No.200 Xingpu Rd., Shengpu Town, Suzhou Industrial Park, China Laboratory Accreditations A2LA: 3628.01 CNAS: L10551 FCC: CN1166 ISED: CN0001 VCCI: R-20025 G-20034 C-20020 T-20020 R-20141 G-20134 C-20103 T-20104 Test Site – MRT Shenzhen Laboratory Laboratory Location (Shenzhen) 1G, Building A, Junxiangda Building, Zhongshanyuan Road West, Nanshan District, Shenzhen, China Laboratory Accreditations A2LA: 3628.02 CNAS: L10551 FCC: CN1284 ISED: CN0105 Test Site – MRT Taiwan Laboratory Laboratory Location (Taiwan) No. 38, Fuxing 2nd Rd., Guishan Dist., Taoyuan City 333, Taiwan (R.O.C.) Laboratory Accreditations TAF: 3261 FCC: 291082, TW3261 ISED: TW3261 Report No.: 2407RSU018-U11 5 of 10 1.4. Product Information Product Name Wireless Gooseneck Transmitter Model No. ULXD8 H50, ULXD8W H50 Serial No. 328E33525 Frequency Range 534 ~ 598 MHz Power Type By Battery Operating Temperature -10 ~ 45°C Note 1: The information of EUT was provided by the manufacturer, and the accuracy of the information shall be the responsibility of the manufacturer. Note 2: The difference between ULXD8 and ULXD8W is that ULXD8 enclose color is black and ULXD8W enclose color is white. Note 3: The EUT has two working modes (STD Mode & HD Mode) and two modes can be switched from the digital wireless receiver. 1.5. Antenna Details Technology Frequency Range (MHz) Antenna Type Max Peak Gain (dBi) H50 Band 534 ~ 598 PIFA -6.7 Note: The antenna gain is from antenna data sheet provided by the manufacturer. 1.6. Device Classification According to the user manual, this device is classified as a Mobile Device. So, the RF exposure evaluation requirements of § 2.1091 for mobile device exposure conditions subject to MPE limits. 1.7. Applied Standards According to the specifications of the manufacturer, the EUT must comply with the requirements of the following standards: ⚫ FCC Part 2.1091 & KDB 447498 D04 Interim General RF Exposure Guidance v01 Report No.: 2407RSU018-U11 6 of 10 2. RF Exposure Evaluation 2.1. Limits According to FCC §1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in §1.1307(b) Limits For Maximum Permissible Exposure (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Average Time (Minutes) (A) Limits for Occupational/ Control Exposures 0.3-3.0 614 1.63 *(100) ≤6 3.0-30 1842/f 4.89/f *(900/f 2 ) <6 30-300 61.4 0.163 1.0 <6 300-1,500 -- -- f/300 <6 1,500-100,000 -- -- 5 <6 (B) Limits for General Population/ Uncontrolled Exposures 0.3-1.34 614 1.63 *(100) <30 1.34-30 824/f 2.19/f *(180/f 2 ) <30 30-300 27.5 0…

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Shure ULXD8 Measurements of Shure ULXD8 For Regulatory Approval Shure Incorporated Shure ULXD8 Table of Contents 1.1 ULXD6 G50 ................................................................................................................................... 1 1.2 ULXD6 H50 ................................................................................................................................... 3 1.3 ULXD6 J50 .................................................................................................................................... 5 Table of Figures Figure 1–ULXD6 G50 2D radiation patterns and scale ................................................................................ 2 Figure 2–ULXD6 H50 2D radiation patterns and scale ................................................................................. 4 Figure 3–ULXD6 J50 2D radiation patterns and scale ................................................................................. 6 Shure ULXD8 1. ULXD8 –Wireless Gooseneck Transmitter 1.1 ULXD8 G50 Antenna 2D patterns for:  Test frequency = 470 - 534MHz  Maximum gain = -8.4 dBi Shure ULXD8 Figure 1–ULXD6 G50 2D radiation patterns and scale Shure ULXD8 1.2 ULXD8 H50 Antenna 2D patterns for:  Test frequency = 534 - 598 MHz  Maximum gain = -6.7 dBi Shure ULXD8 Figure 2–ULXD6 H50 2D radiation patterns and scale Shure ULXD8 1.3 ULXD8 J50 Antenna 2D patterns for:  Test frequency = 572 - 634 MHz  Maximum gain = -5.7 dBi Shure ULXD8 Figure 3–ULXD6 J50 2D radiation patterns and scale

MRT Technology (Suzhou) Co., Ltd Report No.: 2407RSU018-U2 Phone: +86-512-66308358 Report Version: V01 Web: www.mrt-cert.com Issue Date: 2024-08-17 1 of 29 RF MEASUREMENT REPORT FCC ID: DD4ULXD8H50 Applicant: Shure Incorporated Product: Wireless Gooseneck Transmitter Model No.: ULXD8 H50, ULXD8W H50 Brand Name: , FCC Classification: Part 15 Wireless Microphone (DWM) FCC Rule Part(s): Part 15 Subpart C (Section 15.236) Result: Complies Received Date: 2024-07-05 Test Date: 2024-07-23 ~ 2024-07-28 Reviewed By: Jame Yuan Approved By: Robin Wu The test results relate only to the samples tested. The test results shown in the test report are traceable to the national/international standards through the calibration of the equipment and evaluated measurement uncertainty herein. The test report shall not be reproduced except in full without the written approval of MRT Technology (Suzhou) Co., Ltd. Report No.: 2407RSU018-U2 2 of 29 Revision History Report No. Version Description Issue Date Note 2407RSU018-U2 V01 Initial Report 2024-08-17 Valid Report No.: 2407RSU018-U2 3 of 29 CONTENTS Description Page CONTENTS ....................................................................................................................................................... 3 1. General Information ................................................................................................................................ 5 1.1. Applicant ...................................................................................................................................... 5 1.2. Manufacturer ................................................................................................................................ 5 1.3. Testing Facility ............................................................................................................................. 5 1.4. Product Information ...................................................................................................................... 6 1.5. Radio Specification under Test .................................................................................................... 6 1.6. Working Frequencies ................................................................................................................... 6 2. Test Configuration .................................................................................................................................. 7 2.1. Test Mode .................................................................................................................................... 7 2.2. Test Software ............................................................................................................................... 7 2.3. Applied Standards ........................................................................................................................ 7 2.4. Test Environment Condition ......................................................................................................... 7 3. Measuring Instrument ............................................................................................................................ 8 4. Decision Rules and Measurement Uncertainty .................................................................................... 9 4.1. Decision Rules ............................................................................................................................. 9 4.2. Measurement Uncertainty ............................................................................................................ 9 5. Test Result ............................................................................................................................................. 10 5.1. Summary .................................................................................................................................... 10 5.2. 99% Occupied Bandwidth Measurement .................................................................................... 11 5.2.1. Test Limit ..................................................................................................................................... 11 5.2.2. Test Procedure ............................................................................................................................ 11 5.2.3. Test Setting ................................................................................................................................. 11 5.2.4. Test Setup ................................................................................................................................... 11 5.2.5. Test Result .................................................................................................................................. 11 5.3. Frequency Tolerance Measurement .......................................................................................... 12 5.3.1. Test Limit .................................................................................................................................... 12 5.3.2. Test Procedure ........................................................................................................................... 12 5.3.3. Test Setting ................................................................................................................................ 12 5.3.4. Test Setup .................................................................................................................................. 13 5.3.5. Test Result ................................................................................................................................. 13 5.4. Necessary Bandwidth Measurement ......................................................................................... 14 5.4.1. Test Limit .................................................................................................................................... 14 5.4.2. T…

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Report No.: 2407RSU018-UT 1 of 1 RF Test Setup Photograph Description: Radiated Spurious Emissions Test Setup for below 1GHz Description: Radiated Spurious Emissions Test Setup for above 1GHz