2AD2THD-026Wireless Microphone

91110 REAR PANEL 124378 SINGLE CHANNEL SYSTEM 12345678 DUAL CHANNEL SYSTEM 13254 23 5 FCC Caution. § 15.19 Labelling requirements. This device complies with part 15 of the FCC Rules. Operation is subj ect to the following two conditions: (1) This device may not cause ha rmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. § 15.21 Information to user. Any Changes or modifications not expressly approved by the party resp onsible for compliance could void the user's authority to operate the equipment. § 15.105 Information to the user. Note: This equipment has been tested and found to comply with the lim its for a Class B digital device, pursuant to part 15 of the FCC Rule s. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment g enerates uses and can radiate radio frequency energy and, if not inst alled 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 th is equipment does cause harmful interference to radio or television r eception, 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 tha t to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help.

SCS-F18: Project and Product Certification Representative Authorization Letter Page 1 of 2 Rev 5.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Project and Product Certification Representative Authorization Letter Revision History Reason for Amendment (current / obsolete) From To Approved Date Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Revised wording (obsolete) 1.0 2.0 Sept–25-2007 Updated company template (obsolete) 2.0 3.0 Jan-31-2012 Updated letter information (obsolete) 3.0 4.0 May-23-2014 Added FCC ID field (current) 4.0 5.0 Sept 16 2014 SCS-F18: Project and Product Certification Representative Authorization Letter Page 2 of 2 Rev 5.0 Enping Heng da Electronic Industry Co., Ltd No.8, B District,Dongan Industry Zone, Enping,Jiangmen,Guangdong,China 2015-1-17 To: SIEMIC, INC. 775 Montague Expressway, Milpitas, CA 95035 USA Dear Sir/Madam, Re: Product Certification Representative Authorization Letter We, hereby authorize SIEMIC, Inc. to act as a Certification Body for certifying for the following project(s): Product description： Wireless Microphone model name ： U-616, U-418, U-412, U-783, U-723, U-782, HD-091, HD-065, HD-016, MU-21D, HD-026 FCC ID: 2AD2THD-026 Sincerely, Client’s signature : Client’s name / title : Manager Contact information / address: No.8, B District,Dongan Industry Zone, Enping,Jiangmen,Guangdong,China

SCS-F19: Confidentiality Request Letter Page 1 of 2 Rev 3.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Confidentiality Request Letter Revision History Reason for Amendment (current / obsolete) From To Approved Date Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Adding CFR 2.459 (obsolete) 1.0 2.0 August – 11 - 2008 Updated company template & Added text box (current) 2.0 3.0 Jan-31-2012 SCS-F19: Confidentiality Request Letter Page 2 of 2 Rev 3.0 Enping Heng da Electronic Industry Co., Ltd No.8, B District,Dongan Industry Zone, Enping,Jiangmen,Guangdong,China (Current Date) 2015-1-17 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subject: Permanent Confidentiality Request for FCC ID: 2AD2THD-026 We hereby request confidential treatment of information accompanying this application as outlined below: - Block Diagram - Schematics - Operational Description - BOM 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. Sincerely, Client’s signature : Manager Client’s name / title : Contact information / address: No.8, B District,Dongan Industry Zone, Enping,Jiangmen,Guangdong,China - T une up

Enping Heng da Electronic Industry Co., Ltd No.8, B District, Dongan Industry Zone, Enping,Jiangmen,Guangdong,China FCC ID : 2AD2THD-026 Model Specification We, the undersigned, hereby declare that the following radio equipment Wireless Microphone Model: U-616, U-418, U-412, U-783, U-723, U-782, HD-091, HD-065, HD-016, MU-21D, HD-026 are identified (included circuit diagram, PCB layout & components used without any modification) except the model name and appearance. − Point of contact: TEL: 86-0750-7812162 (Name, telephone and fax number) No.8, B District, Dongan Industry Zone, Enping,Jiangmen,Guangdong,China (Place, date of issue) (Signature / stamp) Enping Heng da Electronic Industry Co., Ltd (Name and title in block letters)

HD-026

LABEL LOCATION：HD-026

FCC ID Label Sample FCC ID : 2AD2THD-026 15.19 Labelling requirements. 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.

HD-026

FCCID: 2AD2THD-026 Report Number: HST201409-3658-SAR Page 1 of 8 Test Report Applicant: Enping Heng da Electronic Industry Co., Ltd Address of Applicant: No.8, B District,Dongan Industry Zone, Enping,Jiangmen,Guangdong,China. Equipment Under Test (EUT): EUT Name: Wireless Microphone Model No.: Listed on the 3 rd page Trade Mark: N/A Serial No.: Not supplied by client Standards: FCC Part 1.1307, 2.1091, and 2.1093: 2014 Date of Receipt: Sep. 20, 2014 Date of Test: Sep. 20 to Oct. 8, 2014 Date of Issue: Oct. 18, 2014 Test Result : PASS* z In the configuration tested, the EUT complied with the standards specified above. Tested by: Sandy Yu / EMC Engineer Authorized Signature: Henly Xie / Manager, Representative of the Lab This report refers to the General Conditions for Inspection and Testing Services, printed overleaf This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. This report may only be reproduced and distributed in full. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. The report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the federal government. All test results in this report can be traceable to National or International Standards. The test report prepare by: Guangdong Huesent Testing & Inspection Technology Co., Ltd. No.91, Dongguanzhuang Road, Tianhe District, Guangzhou, China. Tel: 86-20-28263298 Fax: 86-20-28263237 http://www.hst.org.cn E-mail: [email protected] REPORT No: HST201409-3658-SAR Page 2 of 8 Contents 1 TEST SUMMARY ................................................................................................ 3 2 GENERAL INFORMATION .................................................................................. 4 2.1 Client Information........................................................................................................... 4 2.2 General Description of E.U.T.......................................................................................... 4 2.3 Details of E.U.T. ............................................................................................................. 4 2.4 Description of Support Units .......................................................................................... 4 2.5 Standards Applicable for Testing .................................................................................... 4 2.6 Test Location.................................................................................................................. 5 2.7 Deviation from Standards............................................................................................... 5 2.8 Abnormalities from Standard Conditions ........................................................................ 5 3 EQUIPMENTS USED DURING TEST ................................................................. 6 4 RF EXPOSURE EVALUATION ............................................................................ 7 REPORT No: HST201409-3658-SAR Page 3 of 8 1 Test Summary Test Test Requirement Standard Paragraph Result RF Exposure Evaluation FCC Part 1.1307, 2.1091, and 2.1093 447498 D01 General RF Exposure Guidance v05r02 PASS Remark: ♣The EUT has one channel, which is located in the range 614.200 MHz to 697.800MHz . Only test result of sample of Wireless Microphone in channels 614.2 MHz, 660.5 MHz and 697.8 MHz were recorded in this report. Model: U-616, U-418, U-412, U-783, U-723, U-782, HD-091, HD-065, HD-016, MU-21D, HD-026 Only tested HD-026, since the other models listed above are electric identical with only difference being the model name. REPORT No: HST201409-3658-SAR Page 4 of 8 2 General Information 2.1 Client Information Applicant: Enping Heng da Electronic Industry Co., Ltd Address of Applicant: No.8, B District,Dongan Industry Zone, Enping,Jiangmen,Guangdong,China. 2.2 General Description of E.U.T. EUT Name: Wireless Microphone Item No.: Listed on the 3 rd page Serial No.: Not supplied by client 2.3 Details of E.U.T. Power Supply: 3.0Vdc 2*AA Batteries Main Function: Wireless microphone system with an associated receiver for transmitting voice. Transmitting Power: Low 614.2MHz: 6.8dBm(i.e.4.79 mW) ±1.0 dBm Mid. 660.5MHz: 6.1dBm(i.e.4.07 mW) ±1.0 dBm High 697.8MHz: 6.6dBm(i.e 4.57 mW) ±1.0 dBm The final amplifier Collector Voltage and Collector Current are 0.3V & 3.5mA respectively. Necessary Bandwidth: 2M+2DK= 2 x 80 kHz + 2 x 20kHz x 1.0 = 200 kHz 16 channels for each microphone; Modulation: F3E; Antenna Type: Fixed; Gained: 0 dBi 2.4 Description of Support Units Connect the EUT to mains power, and then test the EUT with signal generator. 2.5 Standards Applicable for Testing The standard used was FCC Part 1.1307, 2.1091, and 2.1093: 2014 The EUT belongs to licensed low power auxiliary devices. REPORT No: HST201409-3658-SAR Page 5 of 8 2.6 Test Location ERP & Spurious Emission tests were subcontracted to the laboratory following- Guangdong Environment Radiation Monitoring Center. 860, South Guangzhou Avenue, Guangzhou, P.R. China Tel: 86-20-84281721 Fax: N/A Email: [email protected] FCC- Registration No: 667318 on on Sep. 29, 2009 CNAS- Accreditation No: L5539. 2.7 Deviation from Standards None. 2.8 Abnormalities from Standard Conditions None. REPORT No: HST201409-3658-SAR Page 6 of 8 3 Equipments Used during Test Item Test Equipment Manufacturer Model No. Inventory No. Cal. Date Cal. Due date 1 RF Generator Rohde & Schwarz SMT06 61-318 2014-6-8 2015-6-8 2 Spectrum Analyzer R&S CMU 200 / 2014-6-8 2015-6-8 3 EMI Test Receiver Rohde & SchwarzESU / 2014-6-8 2015-6-8 4 Power Meter Rohde & Schwarz URV35 EM…

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FCCID: 2AD2THD-026 Report Number: HST201409-3658-FCC Page 1 of 23 Test Report Applicant: Enping Heng da Electronic Industry Co., Ltd Address of Applicant: No.8, B District,Dongan Industry Zone, Enping,Jiangmen,Guangdong,China. Equipment Under Test (EUT): EUT Name: Wireless Microphone Model No.: Listed on the 3 rd page Trade Mark: N/A Serial No.: Not supplied by client Standards: FCC PART 74.861 e: 2014 Date of Receipt: Sep. 20, 2014 Date of Test: Sep. 20 to Oct. 8, 2014 Date of Issue: Oct. 18, 2014 Test Result : PASS* z In the configuration tested, the EUT complied with the standards specified above. Tested by: Sandy Yu / EMC Engineer Authorized Signature: Henly Xie / Manager, Representative of the Lab This report refers to the General Conditions for Inspection and Testing Services, printed overleaf This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. This report may only be reproduced and distributed in full. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. The report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the federal government. All test results in this report can be traceable to National or International Standards. The test report prepare by: Guangdong Huesent Testing & Inspection Technology Co., Ltd. No.91, Dongguanzhuang Road, Tianhe District, Guangzhou, China. Tel: 86-20-28263298 Fax: 86-20-28263237 http://www.hst.org.cn E-mail: [email protected] REPORT No: HST201409-3658-FCC Page 2 of 23 Contents 1 TEST SUMMARY ................................................................................................ 3 2 GENERAL INFORMATION .................................................................................. 4 2.1 Client Information........................................................................................................... 4 2.2 General Description of E.U.T.......................................................................................... 4 2.3 Details of E.U.T. ............................................................................................................. 4 2.4 Description of Support Units .......................................................................................... 4 2.5 Standards Applicable for Testing .................................................................................... 4 2.6 Test Location.................................................................................................................. 5 2.7 Deviation from Standards............................................................................................... 5 2.8 Abnormalities from Standard Conditions ........................................................................ 5 3 EQUIPMENTS USED DURING TEST ................................................................. 6 4 TEST RESULTS .................................................................................................. 7 4.1 E.U.T. Operation Condition ............................................................................................ 7 4.2 Test Procedure & Measurement Data ............................................................................ 8 4.2.1 Carrier Radiated Power & Radiated Spurious Emissions.................................. 8 4.2.2 Occupied Bandwidth ....................................................................................... 11 4.2.3 Frequency Stability.......................................................................................... 14 4.2.4 Modulation Characteristics.............................................................................. 16 4.2.5 Photographs.................................................................................................... 19 Radiated Emission Test Setup.............................................................................................. 19 4.2.6 EUT Constructional Details ............................................................................. 20 4.2.7 Antenna Photo ................................................................................................ 23 REPORT No: HST201409-3658-FCC Page 3 of 23 1 Test Summary Test Test Requirement Standard Paragraph Result Carrier Radiated Power FCC Part 2.1046 74.861 e) 1) 54–72, 76–88 & 174–216 MHz bands, 50 mW 470–608 and 614–806 MHz bands, 250 mW PASS Modulation Deviation FCC Part 2.1047 74.861 e) 3) Within 75kHz PASS Frequency Stability FCC Part 2.1055 74.861 e) 4) <0.005% 50 ppm PASS Operating Bandwidth FCC Part 2.1049 c) 74.861 e) 5) Within 200kHz PASS Unwanted Radiation FCC Part 2.1049 c) 74.861 e) 6) within the mask PASS Radiated Spurious Emission FCC Part 2.1053 74.861 d) 3) < 43+10lgP(W) dB PASS Remark: ♣The EUT has one channel, which is located in the range 614.200 MHz to 697.800MHz . Only test result of sample of Wireless Microphone in channels 614.2 MHz, 660.5 MHz and 697.8 MHz were recorded in this report. Model: U-616, U-418, U-412, U-783, U-723, U-782, HD-091, HD-065, HD-016, MU-21D, HD-026 Only tested HD-026, since the other models listed above are electric identical with only difference being the model name. REPORT No: HST201409-3658-FCC Page 4 of 23 2 General Information 2.1 Client Information Applicant: Enping Heng da Electronic Industry Co., Ltd Address of Applicant: No.8, B District,Dongan Industry Zone, Enping,Jiangmen,Guangdong,China. 2.2 General Description of E.U.T. EUT Name: Wireless Microphone Item No.: Listed on the 3 rd page Serial No.: Not supplied by client 2.3 Details of E.U.T. Power Supply: 3.0Vdc 2*AA Batteries Main Function: Wireless micropho…

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1.1.1 Photographs Radiated Emission Test Setup 30MHz - 1GHz 1GHz – 25GHz