INGMH-8900WIRELESS MICROPHONE

LICENSING REQUIREMENTS This equipment complies with Part 74 of the FCC Rules. A license is required for operation subjective device will be issued only to the following: (1) A licensed of an AM, FM, TV or international broadcast station or low power TV station. Low power auxiliary stations will be licensed for used with a specific broadcast or low power TV station or combination of stations licensed to the same licensee within the same community. (2) A broadcast network entity. (3) A cable television system operator who operates a cable system that produces program material for origination or access cablecasting as defined in §76.5(r). (4) Motion picture producers as defined in §74.801. (5) Television program producers as defined in §74.801. (6) Licensees an conditional licensees of stations in the Multipoint Distribution service and Multichannel Multipoint Distribution Service as defined in §21.2 of this chapter, or entities that hold an executed lease agreement with an MDS or MMDS licensee or conditional licensee or with an Instructional Television Fixed service licensee or permitted. CAUTION Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

JTS PROFESSIONAL CO., LTD. No. 148, 9 th Industry Road, Ta-Li Industrial Park, Ta-Li City, Taiwan, R.O.C. Tel : 886-4-24938803 Fax : 886-4-24914890 Request for Confidentiality Federal Communications Commission Authorization and Evaluation Division Subject: Confidentiality Request regarding application for certification of FCC ID: INGMH-8900 Dear Madam or Sir: 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: z Schematics z Part List z Block diagram z 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 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. JTS PROFESSIONAL CO., LTD. No. 148, 9 th Industry Road, Ta-Li Industrial Park, Ta-Li City, Taiwan, R.O.C. Tel : 886-4-24938803 Fax : 886-4-24914890 Pursuant to DA 04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below: z External Photos z Internal Photos z Test Setup Photos z User’s Manual Sincerely,

External Photos of Wireless Microphone ------------------------------------------ 1/ 6 Applicant: JTS PROFESSIONAL CO., LTD. ; FCC ID: INGMH-8900 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440

LABEL Sample and Location information ------------------------------------------------ 1/1 Applicant: JTS PROFESSIONAL CO., LTD. ; FCC ID: INGMH-8900 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 LABEL Format: LABEL Size: 35 x 10 mm LABEL Position: FCC ID: INGMH-8900 This device complies with Part 74 of the FCC Rules.

Internal Photos of Wireless Microphone ------------------------------------------ 2/ 6 Applicant: JTS PROFESSIONAL CO., LTD. ; FCC ID: INGMH-8900 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Internal Photos of Wireless Microphone ------------------------------------------ 3/ 6 Applicant: JTS PROFESSIONAL CO., LTD. ; FCC ID: INGMH-8900 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Internal Photos of Wireless Microphone ------------------------------------------ 4/ 6 Applicant: JTS PROFESSIONAL CO., LTD. ; FCC ID: INGMH-8900 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Internal Photos of Wireless Microphone ------------------------------------------ 5/ 6 Applicant: JTS PROFESSIONAL CO., LTD. ; FCC ID: INGMH-8900 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Internal Photos of Wireless Microphone ------------------------------------------ 6/ 6 Applicant: JTS PROFESSIONAL CO., LTD. ; FCC ID: INGMH-8900 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440

Test Report --------------------------------------------------------------------------- 1/40 Report No.: T6474925 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Report No. T6474925 Specifications FCC Part 74 – Certification Test Method ANSI C63.4 – 2003 Applicant JTS PROFESSIONAL CO., LTD. Applicant No. 148, 9 th Industry Road, Ta-Li Industrial Park, address Ta-Li City, Taiwan, R.O.C. Items tested Wireless Microphone Model No. Mh-8900, Mh-8990, Mh-8800, Mh-8800G EUT Condition Engineering sample; Pre-production; Final production (Sample # T64925) Results Compliance (As detailed within this report) Date 08/11/2004 (month / day / year) (Sample received) 09/15/2004 (month / day / year) (Test) Prepared by Project Engineer Authorized by General Manager (Frank Tsai) Issue date September 30, 2004 (month / day / year) Modifications None Tested by Training Research Co., Ltd. Office at No. 255, Nanyang Street, Shijr, Taipei Hsien 221, Taiwan Anechoic Chamber at No. 255, Nanyang Street, Shijr, Taipei Hsien 221, Taiwan Conditions of issue : (1) This test report shall not be reproduced except in full, without written approval of TRC. And the test result contained within this report only relate to the sample submitted for testing. FCCID: INGMH-8900 Test Report --------------------------------------------------------------------------- 2/40 Report No.: T6474925 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Contents CHAPTER 0 APPLICATION FOR CERTIFICATION............................ 4 CHAPTER 1 GENERAL ............................................................................... 5 1.1 I NTRODUCTION .................................................................................... 5 1.2 D ESCRIPTION OF S UPPORT E QUIPMENT ............................................... 5 1.3 C ONFIGURATION OF T EST S ETUP ......................................................... 6 1.4 L OCATION OF THE M EASUREMENT S ITE .............................................. 6 1.5 G ENERAL T EST C ONDITION ................................................................. 6 CHAPTER 2 CONDUCTED EMISSION TEST......................................... 7 2.1 T EST CONDITION AND SETUP ................................................................ 7 2.2 L IST OF TEST I NSTRUMENT .................................................................. 7 2.3 T EST R ESULT OF C ONDUCTED E MISSION ............................................. 7 CHAPTER 3 POWER OUTPUT MEASUREMENT ................................. 8 3.1 R ULES AND S PECIFICATION L IMITS ..................................................... 8 3.2 T EST CONDITION AND SETUP ................................................................ 8 3.3 T EST CONDITION AND SETUP .............................................................. 10 3.4 M EASUREMENT R ESULT .................................................................... 11 CHAPTER 4 MODULATION CHARACTERISTICS MEASUREMENT .................................................................................................14 4.1 R ULES AND S PECIFICATION L IMITS ................................................... 14 4.2 T EST C ONFIGURATION & L IST OF T EST I NSTRUMENTS ...................... 14 4.3 L IST OF TEST INSTRUMENT ................................................................. 15 4.4 FREQUENCY RESPONSE OF AUDIO MODULATION CIRCUIT AND LOW PASS FILTER MEASUREMENT CONDITION & SETUP.................. 15 4.5 MODULATION LIMITING MEASUREMENT CONDITION & SETUP......... 17 Test Report --------------------------------------------------------------------------- 3/40 Report No.: T6474925 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 CHAPTER 5 OCCUPIED BANDWIDTH MEASUREMENT................20 5.1 R ULES AND S PECIFICATION L IMITS ................................................... 20 5.2 T EST C ONFIGURATION & L IST OF T EST I NSTRUMENTS ...................... 20 5.3 L IST OF TEST I NSTRUMENT ................................................................ 20 5.4 M EASUREMENT P ROCEDURE ............................................................. 21 5.5 M EASUREMENT R ESULT .................................................................... 21 CHAPTER 6 FIELD STRENGTH OF SPURIOUS RADIATION MEASUREMENT .................................................................28 6.1 R ULES AND S PECIFICATION L IMITS ................................................... 28 6.2 M EASUREMENT C ONDITION & S ETUP ................................................ 28 6.3 L IST OF M EASUREMENT I NSTRUMENTS ............................................. 31 6.4 M EASUREMENT R ESULT : ................................................................... 32 CHAPTER 7 FREQUENCY STABILITY TOLERANCE MEASUREMENT .................................................................35 7.1 R ULES AND S PECIFICATION L IMITS ................................................... 35 7.2 M EASUREMENT C ONDITION & S ETUP WITH T EMPERATURE V ARIATION ............................................ 35 7.3 L IST OF M EASUREMENT I NSTRUMENTS WITH T EMPERATURE V ARIATION L IST OF TEST I NSTRUMENT ..................... 35 7.4 M EASUREMENT C ONFIGURATION OF T EMPERATURE V ARIATION T EST :...................................................... 36 7.5 M EASUREMENT R ESULT WITH T EMPERATURE V ARIATION ................ 37 7.6 M EASUREMENT C ONDITION & S ETUP WITH V OLTAGE V ARIATION .................................................... 39 7.7 CONFIGURATION OF VOLTAGE VARIATION TEST............................... 39 7.8 MEASUREMENT RESULT WITH VOLTAGE VARIATION........................ 40 Test Report --------------------------------------------------------------------------- 4/40 Report No.: T6474925 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Chapter 0 Application for Certification 74.861( e )( 2 ) : Transmitters may be either crystal controlled or frequency synthesized. crystal controlled frequency…

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Test Setup Photos ------------------------------------------------------------------------- 1/1 Applicant: JTS PROFESSIONAL CO., LTD. ; FCC ID: INGMH-8900 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Radiated Test Setup Placement: The Test Configuration of X-axis The Test Configuration of Y-axis