VBQMIPUOK306Wireless Microphone System

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76~88MHz

Front View of Microphone-1 Back View of Microphone-1 Top View of Microphone-1 Bottom View of Microphone-1 Front View of Microphone-2 Back View of Microphone-2 Top View of Microphone-2 Bottom View of Microphone-2

Model Name: KOK-193878-01 Made in China FCC ID: VBQMIPUOK306

Model Name: KOK-193878-01 Made in China FCC ID: VBQMIPUOK306

Internal View of Microphone-1 Internal View of Microphone-2

Theory Of Operation for Model KOK-193878-01 Wireless Microphone Audio signal was received from the Mic then changed into electrical audio signal by the Mic, the electrical audio signal shall be magnify by the unit of C9014. The magnified signal shall be sent to the Concoct unit of C9013 to modulate the carrier frequency, carrier frequency was generated by the Oscillation Unit of C9018. the modulated signal shall be amplified by the unit of C9018 and H10 them emit through the integral Antenna

306 5ICReceiver Name Value Quantity Specification Name Value Quantity Specification Resistance 1K 2 Porcelain capacitance 12P 1 Resistance 560R 3 Porcelain capacitance 8P 2 Resistance 2K2 6 Porcelain capacitance 330P 2 Resistance 3K3 4 Porcelain capacitance 472 2 Resistance 4K7 2 Porcelain capacitance 223 2 Resistance 4K3 2 Porcelain capacitance 15P 1 Resistance 10K 7 Porcelain capacitance 24P 4 Resistance 15K 4 Electro Capacitance 220u/16V 1 Resistance 47K 4 Electro Capacitance 1000u/16V 1 10X17 Resistance 24K 4 Electro Capacitance 100u/16V 4 5X11 Resistance 100K 6 Electro Capacitance 47u/16V 2 5X11 Resistance 51R 2 Electro Capacitance 10u/25V 8 5X11 Resistance 150R 2 Electro Capacitance 4u7/50V 7 5X11 Resistance 120R 2 Electro Capacitance 1u/50V 2 5X11 Resistance 330R 4 1191 IC 2 Resistance 220R 2 Diode 4007 5 Resistance 150K 2 Diode 4148 6 Resistance 820K 2 Shine Diode 绿灯 2 2X5 Inching Resistance 10K 1 Shine Diode 红灯 1 2X5 Porcelain capacitance 104 6 4066 IC 1 Porcelain capacitance 103 18 loop 3 4 3X0.6A Porcelain capacitance 102 10 loop 5 6 3X0.6A Porcelain capacitance 5P 8 324 IC 2 Porcelain capacitance 1P 2 Filter 10.7M 2 Porcelain capacitance 22P 2 Filter 10.7M 2 IC 10.7M 2 6.35 Audio output Socket 1 306Transmitter Name Value Quantity Specification Name Value Quantity Specification Resistance 5.6K 2 X2 Porcelain capacitance 104 3 X2 Resistance 5.6K 3 X2 Porcelain capacitance 103 8 X2 Resistance 100K 2 X2 Porcelain capacitance 102 1 X2 Resistance 4.7K 1 X2 Porcelain capacitance 8P 2 X2 Resistance 220K 2 X2 Po rcelain capacitance 68P 1 X2 Resistance 22K 1 X2 Porcelain capacitance 33P 1 X2 Resistance 33K 1 X2 Porcelain capacitance 75P 3 X2 Resistance 3.3K 1 X2 Porcelain capacitance 10P 1 X2 Resistance 1K 1 X2 Porcelain capacitance 12P 1 X2 Resistance 220 Ω 2 X2 Resistance 47 Ω 2 X2 Dynatron P014 1 X2 Resistance 10 Ω 1 X2 P018 3 X2 Electro Capacitance 4u7/50 1 X2 5X11 IC 78L05 1 X2 Electro Capacitance 47u/16v 1 X2 5X11 Electro Capacitance 10u/35V 1 X2 5X11 Loop 8 4 X2 Shine Diode Green Light 1 X2 2X5 Shine Diode Red Light 1 X2 2X5 Switch 3 1 X2

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ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT INTENTIONAL RADIATOR CERTIFICATION TO FCC PART 74 SUBPART H REQUIREMENT OF Wireless Microphone System MODEL NO.: KOK-193878-01 FCC ID: VBQMIPUOK306 BRAND NAME: N/A REPORT NO: SZ002070501E2 ISSUE DATE: May. 26, 2007 Prepared for Enping Shi Jinmiwang Electronic Co.,Ltd. No.123,Xingping North Road, Enping City, Guangdong, China Prepared by Shenzhen Attestation Of Global Compliance Technology Co., Ltd. d.b.a. Shenzhen Attestation Of Global Compliance Technology Co., Ltd. Room 19D,Block 2,Building 6,Shahe East Road, Nanshan District, Shenzhen, China TEL: 86-755-33309974 FAX: 86-755-26008484 VERIFICATION OF COMPLIANCE Applicant: Enping Shi Jinmiwang Electronic Co.,Ltd. No.123,Xingping North Road, Enping City,Guangdong, China Product Description: Wireless Microphone System Brand Name: N/A Model Number: KOK-193878-01 FCC ID: VBQMIPUOK306 Serial Number: N/A File Number: SZ002070501E2 Date of Test: May. 16,2007~ May.25, 2007 We hereby certify that: The report for the equipment was prepared by Shenzhen Attestation Of Global Compliance Technology Co., Ltd. The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in TIA/EIA 603; ANSI C 63.4:2003 and the sample tested as described in this report is in compliance with the FCC Rules Part 74 Subpart H. The test results of this report relate only to the tested sample identified in this report. Approved By King / Q.A. Manager Shenzhen Attestation Of Global Compliance Science&Technology Co., Ltd Table of Contents 1. GENERAL INFORMATION ..................................................................4 2. SYSTEM TEST CONFIGURATION ...................................................6 3. SUMMARY OF TEST RESULTS .......................................................9 4. DESCRIPTION OF TEST MODES .....................................................9 5. MAXIMUM TRANSMITTER POWRE ...............................................10 6. MODULATION CHARACTERISTICS ...............................................13 7. FREQUENCY TOLERANCE............................................................19 8. EMISSION BANDWIDTH...............................................................22 9. UNWANTED RADIATION .............................................................24 APPENDIX 1 PHOTOGRAPHS OF SETUP..............................................29 APPENDIX 2 PHOTOGRAPHS OF EUT..................................................31 1. GENERAL INFORMATION 1.1 Product Description Enping Shi Jinmiwang Electronic Co.,Ltd. Model: KOK-193878-01 (referred to as the EUT in this report). The EUT is a Wireless Microphone System designed as Low Power Auxiliary Stations for transmitting voice only. It is designed by way of utilizing the FM modulation achieves the system operating. A major technical descriptions of EUT is described as following: A). Frequency Tolerance: 0.00046% (0.005%) B). Communication Type: Voice/Tone only C). Modulation: FM D). Emission type: F3E E). Emission designator: 120K7F3E (2M+2DK, M=12, D=48.36, K=1, Necessary Bandwidth = 120.72 KHz) F). Emission Bandwidth: 146.88 KHz (Limit: 200 KHz) G).Peak Frequency Deviation: 48.36 KHz (Limit<±75 KHz) H).Audio Frequency Response: 12KHz I). Maximum Transmitter Power: 1.15 mW (Limit: 50 mW) J). Output power Modification: Fixed can’t be change K). Unwanted Radiation: 1). At least 60 dB (Limit 25 dB) on any frequency removed from the center of the authorized bandwidth by more than 50% up to and including 100% of the authorized bandwidth. 2). At least 65 dB (Limit 35 dB) on any frequency removed from the center of the authorized bandwidth by more than 100% up to and including 250% of the authorized bandwidth. 3). At least 35 dB (Limit 13.61 dB) on any frequency removed from the center of authorized bandwidth by more than 250%) L ). Antenna Designation: Integral M). Power Supply: 9V dc by battery N). DC Voltage= 7.2 V and DC Current=6.7 mA into the final stage for normal operation over the power range O). Battery Endpoint: DC 7.2 V P). Operating Frequency Range and Channels Frequency Range: 67.3 MHz – 71.3MHz Q). Effective distance: 10M 1.2 Related Submittal(s) / Grant (s) This submittal(s) (test report) is intended for FCC ID filing to comply with the FCC Part 74, Subpart H Rules. 1.3 Test Methodology The radiated emission testing was performed according to the procedures of ANSI TIA/EIA 603 and FCC CFR 47 2.1046, 2.1047, 2.1049, 2.1051, 2.1053, 2.1055 and 2.1057 1.4 Test Facility The open area test site used to collect the radiated data is located on the address of ACCURATE TECHNOLOGY CO.,LTD. The Open Area Test Site is 3m anechoic and calibrated to meet the FCC requirements in documents ANSI C63.4: 2003 and CISPR 22/EN 55022 requirements. 1.5 Special Accessories Not available for this EUT intended for grant. 1.6 Equipment Modifications Not available for this EUT intended for grant. 1.7 Differences between Models Model Name Differences KOK-193878-01 Red LED Indicates Power Level KOK-193878-01 Green LED Indicates Power Level 2. System Test Configuration 2.1 EUT Configuration The EUT configuration for testing is installed on RF field strength measurement to meet the Commission’s requirement and operating in a manner which intends to maximize its emission characteristics in a continuous normal application. 2.2 EUT Exercise The Transmitter was operated in the normal operating mode. the TX frequency was fixed which was for the purpose of the measurements. 2.3 GENERAL TECHNICAL REQUIREMENTS a). Section 74.861 (e) - 1: Maximum transmitter power less than 50mW b). Section 74.861 (e) - 3: Peak Frequency Deviation less than ±75 KHz c). Section 74.861 (e) - 4: Frequency Tolerance less than 0.005% d). Section 74.861 (e) - 5: Emission Bandwidth shall less than 200KHz e). Section 74.861 (e) - 6: Unwanted radiation According to Section 74.861 (e) – 6, the mean power of emission shall be attenuated below t…

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Radiated Emission Setup Photo