ZDURAYYOUNG011Microphone

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SCS-F1 8: Project and Product Certification Representative Authorization Letter Page 1 of 2 Rev 2.0 2206 Ringwood Avenue San Jose, CA 95131 Tel: 408-526-1188 F ax: 408-526-1088 Email: [email protected] Project and Product Certification Representative Authorization Letter Revisio n History Reason for Amendment (current / obsolete) From To Approved Date Initial Release (current) 1.0 1.0 Nov-14-2006 Revised wording (current) 1.0 2.0 Sept–25-2007 MIC ROPHONE SCS-F1 8: Project and Product Certification Representative Authorization Letter Page 2 of 2 Rev 2.0 RAYYOUNG ELECTRO NIC LTD. Ma rch 28, 2011 To: SIEMIC, INC. 2206 Ringwood Avenue, San Jose, CA 95131 USA Dear Sir/Madam, Re: Project and Product Certification Representative Authorization Letter We, RAYYOUNG ELECTRONIC LTD. .hereby authorize SIEMIC, INC. to act as a Certification Body for certifying for the following project(s): （）， We affirm that between SIEMIC and RAYYOUNG ELECTRONIC LTD. any difference in understanding, including test plan, measurement methods, applicable standards and relevant procedures and processes have been resolved prior to commencement of testing activities. Sincerely, Client’s signature: Client’s name / title: Xiaohua.Chen /Manager Contact information / address: NO.1 ST , SHANGNAN INDUSTRIAL ZONE, TAIHE TOWN, BAIYUN DISTRICT, GZ, CHINA.

SCS-F19: Confidentiality Request Letter Page 1 of 2 Rev 2.0 2206 Ringwood Avenue San Jose, CA 95131 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 (current) 1.0 1.0 Nov-14-2006 Adding CFR 2.459 1.0 2.0 August – 11 - 2008 SCS-F19: Confidentiality Request Letter Page 2 of 2 Rev 2.0 RAYYOUNG ELECTRONIC LTD. March 28, 2011 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Confidentiality Request regarding application for certification of FCC ID: ZDURAYYOUNG011 We hereby request confidential treatment of information accompanying this application as outlined below: - Block diagram - Schematic - Operational Description 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: Client’s name / title: Xiaohua.Chen / Manager Contact information / address: NO.1 ST , SHANGNAN INDUSTRIAL ZONE, TAIHE TOWN, BAIYUN DISTRICT, GZ, CHINA.

RAYYOUNG ELECTRONIC LTD. FCC ID：ZDURAYYOUNG011 Model: PWMA1003T This device complies with part 74 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 Mark Location: FCC ID Label Location

VERA0 2011-5-31 PAGE1月1日 NOITEMTYPEUNIT QTY 1 PCBPWMA3003TXPCS 1 2 ICCS31101PCS 1 3 crystal 17.46MHZ PCS 1 4 resistance 51Ω 0.125W±5﹪ PCS 5 5 resistance 1KΩ 0.125W±5﹪ PCS 3 6 resistance 2.2KΩ 0.125W±5﹪ PCS 1 7 resistance 3.3KΩ 0.125W±5﹪ PCS 1 8 resistance 5.6KΩ 0.125W±5﹪ PCS 1 9 resistance 10KΩ 0.125W±5﹪ PCS 4 10 resistance 33KΩ 0.125W±5﹪ PCS 1 11 resistance 47KΩ 0.125W±5﹪ PCS 2 12 resistance 56KΩ 0.125W±5﹪ PCS 1 13 resistance 100KΩ 0.125W±5﹪ PCS 1 14 capacitance 1P 50V±10﹪ PCS 1 15 capacitance 3P 50V±10﹪ PCS 2 16 capacitance 9P 50V±10﹪ PCS 1 17 capacitance 12P 50V±10﹪ PCS 2 18 capacitance 15P 50V±10 ﹪ PCS 1 19 capacitance 18P 50V±10﹪ PCS 1 20 capacitance 20P 50V±10﹪ PCS 1 21 capacitance 25P 50V±10﹪ PCS 1 22 capacitance 47P 50V±10﹪ PCS 5 23 capacitance 471P 50V±10﹪ PCS 1 24 capacitance 472P 50V±10﹪ PCS 1 25 capacitance 103P 50V±20﹪ PCS 5 26 capacitance 4.7uF 16V±10﹪ PCS 7 27 capacitance 1uF 16V±10﹪ PCS 2 28 capacitance 10uF 16V±10﹪ PCS 3 29 var resistance 10kΩ PCS 1 30 In weeks T0622PCS 1 31 In weeks T05PCS 1 32 In weeks T30PCS 1 33 Diode 1N4148PCS 1 34 var Diode BB910PCS 1 35 Transistor 9014PCS 2 36 Transistor 9018PCS 2 37 Transistor C3355PCS 1 PWMA3003T TX BOM FILE NO. DATE REMARK C17 R1 R19 R12 C31 C22 C32 C21 C13 C23 C19 C25 C27 C5 C20 C7 C1 C15 C9 C10 C11 ±20PPM R6 U1 C16 C29 C26 C12 C14 C30 C28 C18 R13 R20 C33 C34 R15 R16 R9 R18 R8 R2 R4 R5 R11 R17 C24 R14 R10 R7 R3 C4 C6 T1 VR1 T2 T3 D2 C2 C3 C8 D1 Q4 Q5 Q1 Q2 Q3 38 LEDRED 3mmPCS 1 39 Color ring induct 1uHPCS 2 40 Inductors 0.6*3*3.5TPCS 1 41 Inductors 0.6*3*4.5TPCS 1 42 Inductors 0.6*3*6.5TPCS 2 43 Jumper 5mmPCS 3 44 Toggle switch PCS 1 作成：审核： L4 LED1 L3 L6 L1 L2 J1 J2 J4 SK1 L5

RAYYOUNG ELECTRONIC LTD. June, 04 2011 FCC ID: ZDURAYYOUNG011 Product Description: Microphone I would like to confirm this device does not have tune up information because the tune up is fixed by the manufacture. Sincerely, Client’s signature: Client’s name / title: Xiaohua.Chen /Manager Contact information / address: NO.1 ST , SHANGNAN INDUSTRIAL ZONE, TAIHE TOWN, BAIYUN DISTRICT, GZ, CHINA.

ISO/IEC17025 Accredited Lab. Report No: FCC1009304 File reference No: 2010-11-02 Applicant: RAYYOUNG ELECTRONIC LTD. Product: MICROPHONE Model No: PWMA1003T，PWMA2003T， PWMA3003T，P1501ATU，P3201ATU， P1001AT，P2001AT，P3001AT，P1002AI，P3002AI，P2002ABTI， RAY-1000UW，RAY-2000UW，RAY-3000UW， RAY-4000DU， PWMA230， PWMA330， PWMA1050， PWMA1080I，PWMA850， PWMA860I，PWMA930I， PWMA940BTI Trademark: N/A Test Standards: FCC Part 74H and Part 2 Test result: The test item passed the test specification(s) Approved By Jack Chung Manager Dated: November. 02 .2010 Results appearing herein relate only to the sample tested The technical reports is issued errors and omissions exempt and is subject to withdrawal at SHENZHEN TIMEWAY TECHNOLOGY CONSULTING CO LTD 5/F,Block 4, Anhua Industrial Zone.,No.8 TaiRan Rd.CheGongMiao,FuTian District, Shenzhen,CHINA. Tel (755) 83448688 Fax (755) 83442996 Report No: 1009304 Page 2 of 28 Date: 2010-11-02 TEST REPORT The report refers only to the sample tested and does not apply to the bulk. This report is issued in confidence to the client and it will be strictly treated as such by the Shenzhen Timeway Technology Consulting Co .,Ltd. It may not be reproduced rather in its entirety or in part and it may not be used for adverting. The client to whom the report is issued may, however, show or send it . or a certified copy there of prepared by the Shenzhen Timeway Technology Consulting co .,Ltd to his customer. Supplier or others persons directly concerned. Shenzhen Timeway Technology Consulting co .,Ltd will not, without the consent of the client enter into any discussion of correspondence with any third party concerning the contents of the report. In the event of the improper use of the report. The Shenzhen Timeway Technology Consulting co .,Ltd reserves the rights to withdraw it and to adopt any other remedies which may be appropriate. Special Statement： The testing quality ability of our laboratory meet with "Quality Law of People's Republic of China" Clause 19. The testing quality system of our laboratory meets with ISO/IEC-17025 requirements, which is approved by CNAS. This approval result is accepted by MRA of APLAC. Our test facility is recognized, certified, or accredited by the following organizations: CNAS-LAB Code: L2292 The EMC Laboratory has been assessed and in compliance with CNAS-CL01 accreditation criteria for testing Laboratories (identical to ISO/IEC 17025:1999 General Requirements) for the Competence of testing Laboratories. FCC-Registration No.: 899988 The EMC Laboratory has been registered and fully described in a report filed with the (FCC) Federal Communications commission. The acceptance letter from the FCC is maintained in our files. Registration No.:899988. IC- Registration No.: IC5205A-01 The EMC Laboratory has been registered and fully described in a report filed with the (IC) Industry Canada. The acceptance letter from the IC is maintained in our files. Registration No.: IC 5205A-01. Report No: 1009304 Page 3 of 28 Date: 2010-11-02 TEST REPORT The report refers only to the sample tested and does not apply to the bulk. This report is issued in confidence to the client and it will be strictly treated as such by the Shenzhen Timeway Technology Consulting Co .,Ltd. It may not be reproduced rather in its entirety or in part and it may not be used for adverting. The client to whom the report is issued may, however, show or send it . or a certified copy there of prepared by the Shenzhen Timeway Technology Consulting co .,Ltd to his customer. Supplier or others persons directly concerned. Shenzhen Timeway Technology Consulting co .,Ltd will not, without the consent of the client enter into any discussion of correspondence with any third party concerning the contents of the report. In the event of the improper use of the report. The Shenzhen Timeway Technology Consulting co .,Ltd reserves the rights to withdraw it and to adopt any other remedies which may be appropriate. Test Report Conclusion Content 1.0 General Details ............................................................................................... 4 1.1 Test Lab Details................................................................................................ 4 1.2 Applicant Details.............................................................................................. 4 1.3 Description of EUT ........................................................................................... 4 1.4 Submitted Sample.............................................................................................. 4 1.5 Test Duration................................................................................................... 5 1.6 Test Uncertainty................................................................................................5 1.7 Test By.......................................................................................................... 5 2.0 List of Measurement Equipment......................................................................... 5 3.0 Technical Details............................................................................................. 7 3.1 Summary of Test Results..................................................................................... 7 3.2 Test Standards................................................................................................. 7 4.0 EUT Modification.............................................................................................7 5.0 Test Results.................................................................................................... 8 5.1 E.U.T. Operation Condition................................................................................. 8 5.2 Test Procedure & Measurement Data...................................................................... 8 5.2.1 Carrier Radiated Power & Radiated Spurious Emissions................................................ 8 5.2.2 Occupied Bandwidth.......…

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