PVDHT-16DWIRELESS MICROPHONE TRANSMITTER

Shenzhen JWL Electronics Co., Ltd. FCC ID: PVDHT-16D POWER OF ATTORNEY May 15, 2010 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: We, Shenzhen JWL Electronics Co., Ltd., hereby authorize Most Technology Service Co., Ltd. (Terry YANG/ Manager) on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Most Technology Service Co., Ltd. (Terry YANG/ Manager) on our behalf shall have the same effect as acts of our own. This authorization expires on May 28, 2010. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, Shenzhen JWL Electronics Co., Ltd. are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Name: James Wang Title: (General Manager) Date: May 15, 2010

FCC ID: PVDHT-16D Report No.:MOST100419F1 FRONT VIEW OF SAMPLE BACK VIEW OF SAMPLE FCC ID: PVDHT-16D Report No.:MOST100419F1 TOP VIEW OF SAMPLE BOTTOM VIEW OF SAMPLE

FCC ID: PVDHT-16D Report No.:MOST100419F1 INTERNAL PHOTO OF SAMPLE – 1 INTERNAL PHOTO OF SAMPLE - 2 FCC ID: PVDHT-16D Report No.:MOST100419F1 INTERNAL PHOTO OF SAMPLE - 3

HT-16D Wireless Transmitter Operating Instruction Audio signal is input through MIC .After preamplified and noise Compressed,the signal will mix with carrier signal controlled by PLL circuit (16 selectable frequencies ) to form modulation signal.The modulation signal will be transmitted to sky after RF amplification circuit and antenna radiation. The sample power is supplied by DC 3V(2*AA battery) and the modulation type is FM, antenna type is internal.

IC1

Tune Up Description Product Wireless Microphone Transmitter Brand Name GEMINI Model Number H T-16D Power Supply DC 3 V by Battery Frequency Range 682.35 MHz-697.10 MHz Modulation Technique FM Antenna Gain 0 dBi Antenna Type Internal Temperature Range -10°C-60°C

55 44 33 22 11 D D C C B B A A FINA RES RES RES PLL-LE PLL-LE FINA CP1 CP1 VCC VCC +3.3V +5V TP1 +3.3V +3.3V +3.3V +3.3V VCC +3.3V +3.3V +3.3V +3.3V ANT R25.1KR25.1K b 1 e 2 c 3 Q1 MAR951 Q1 MAR951 L3 3.9nH L3 3.9nH 1 2 3 IC5 1117-3.3 IC5 1117-3.3 C211uC211u R50 10K R50 10K + C1 1uF/10V + C1 1uF/10V b 1 e 2 c 3 VT5 2SC1896 VT5 2SC1896 R140noR140no R36 680R R36 680R R18 1K R18 1K R47 10K R47 10K R46 220R R46 220R L1 101L1 101 R4510KR4510K b 1 e 2 c 3 Q4 2SC1623 Q4 2SC1623 R32 4.7K R32 4.7K L4 0R L4 0R b 1 e 2 c 3 VT4 2SC1623 VT4 2SC1623 R49 33K R49 33K C201uFC201uF X1 12MHz X1 12MHz C57 NO C57 NO C633pFC633pF L1210uHL1210uH R1010KR1010K + C22 4.7uF/10V + C22 4.7uF/10V L76.8nHL76.8nH b 1 c 2 e 3 VT3 BCX53-16 VT3 BCX53-16 VD3SS14VD3SS14 65 7 V+V- IC3-2UTC4558 V+V- IC3-2UTC4558 R53100RR53100R C18 15nF C18 15nF + C33 10uF/10V + C33 10uF/10V 21 VD26.2VVD26.2V C710.1uFC710.1uF VD5 LED1 VD5 LED1 C910nFC910nF 1 2 3 SW2-1 POWER SW2-1 POWER R30100KR30100K L2 100uH/1008 L2 100uH/1008 R1233KR1233K C8100pFC8100pF C262.2uFC262.2uF R183220RR183220R R13 10K R13 10K b 1 e 2 c 3 Q3 951 Q3 951 R11 1k R11 1k C27 10nF C27 10nF C7 0.1uF C7 0.1uF R5347KR5347K R34 10K R34 10K R275.1KR275.1K R51220RR51220R R5275KR5275K b 1 c 2 e 3 VT12AAVT12AA C6100pFC6100pF U13VU13V R35 4.7K R35 4.7K L6 6.8nH L6 6.8nH R5 NOR5 NO P50 1 P67 2 P66 3 VDD 4 P65/OSCI 5 P64/OSCO 6 P63/RST 7 P62/TCC 8 P61 9 P60/INT 10 VSS 11 P53 12 P52 13 P51 14 IC1 EM78P153SIC1 EM78P153S + C51 10uF/10V + C51 10uF/10V b 1 e 2 c 3 VT62SC1623VT62SC1623 C483pFC483pF R241KR241K C666.2pFC666.2pF + C31 47U/16V + C31 47U/16V C215 5.1pF C215 5.1pF + C4 4.7u/10V + C4 4.7u/10V b 1 e 2 c 3 VT2 2SC9011 VT2 2SC9011 L108.2nHL108.2nH C52 2.2pF C52 2.2pF + C13 4.7uF/10V + C13 4.7uF/10V R14 10K R14 10K C32 10nF C32 10nF + C28 47uF/10V + C28 47uF/10V 123 SW2-2MUTESW2-2MUTE + C158 4.7uF/10V + C158 4.7uF/10V + C11 4.7uF/10V + C11 4.7uF/10V + C72 10uF/10V + C72 10uF/10V b 1 e 2 c 3 VD1 BAV99 VD1 BAV99 C50 NC C50 NC C677.5pFC677.5pF + C36 10uF/10V + C36 10uF/10V C611pFC611pF R33100RR33100R C340.1uFC340.1uF + C14 4.7uF/10V + C14 4.7uF/10V R41330RR41330R R4310KR4310K C209 1.5pF C209 1.5pF C44 3.3nF C44 3.3nF C23100pFC23100pF b 1 e 2 c 3 IC6 KC61CN18 IC6 KC61CN18 C591nFC591nF C35 62P C35 62P C42 18pF C42 18pF VD4 MMBD4148 VD4 MMBD4148 23 1 84 V+V- IC3-1UTC4558 V+V- IC3-1UTC4558 R36.8KR36.8K C5 1u C5 1u R31 100R R31 100R C473pFC473pF 12 MIC1MICMIC1MIC C561.5pFC561.5pF + C17 4.7uF/10V + C17 4.7uF/10V C10 0.1uF C10 0.1uF C642pFC642pF C601.5PC601.5P + C110 4.7uF/10V + C110 4.7uF/10V R1510KR1510K + C43 10uF/10V + C43 10uF/10V R20100KR20100K R22 330R R22 330R C4133pFC4133pF C24 10nF C24 10nF L8 8.2nH L8 8.2nH R26 100K R26 100K C16 100pF C16 100pF R2322KR2322K R37 22K R37 22K C533.3pFC533.3pF C199 10nF C199 10nF R4018KR4018K C542pFC542pF VD6 BB143 VD6 BB143 C12 100pF C12 100pF RECT CAP1 1 REST IN1 2 AG CELL IN1 3 GND 4 INV.IN1 5 RES.R31 6 OUTPUT1 7 THD TRIM1 8 THD TRIM2 9 OUTPUT2 10 RES.R32 11 INV.IN2 12 VCC 13 AG CELL IN2 14 RECT IN2 15 RECT CAP2 16 U19 UTC571 U19 UTC571 R4810KR4810K R5NOR5NO R54100RR54100R L55.6nHL55.6nH + C29 47uF/10V + C29 47uF/10V R28 2.2K R28 2.2K C1911nFC1911nF R6 NO R6 NO C390.1uFC390.1uF C65 6.2pF C65 6.2pF b 1 e 2 c 3 Q2MAR951Q2MAR951 VD7BB143VD7BB143 C68 5.1pF C68 5.1pF R86.8KR86.8K C15 100pF C15 100pF + C3 4.7uF/10V + C3 4.7uF/10V C19NOC19NO + C69 4.7uF/10V + C69 4.7uF/10V FIN1 1 VCC 2 CP1 3 GND 4 LD 5 CLK 6 DATA 7 EN 8 BO 9 OSCO 10 OSCI 11 SW 12 GND 13 CP2 14 VCC 15 FIN2 16 IC4 GP214D IC4 GP214D R38 10K R38 10K R4410KR4410K R91KR91K L98.2nHL98.2nH C491nFC491nF + C25 10uF/10V + C25 10uF/10V R252.2KR252.2K R1910KR1910K 1 2 3 B10K VR1 B10K VR1 C127 NO C127 NO + C38 10uF/10V + C38 10uF/10V R42 82K R42 82K VC120PVC120P R29 51K R29 51K R211KR211K R17390RR17390R R16 22KR16 22K C30 10nF C30 10nF SW1SW1 C45 10nF C45 10nF C37 10nF C37 10nF C46 2.2pF C46 2.2pF C58 1.5pF C58 1.5pF

Page 1 of 39 FCC 47 CFR PART 74 SUBPART H TEST REPORT For Applicant : Shenzhen JWL Electronics Co., Ltd. Address : C and D Block, XiRong Industrial Estate, Gushu, XiXiang Avenue, BaoAn District, Shenzhen, Guangdong, China Product Name : Wireless Microphone Transmitter Model Name : HT-16D Brand Name : GEMINI, JWL FCC ID : PVDHT-16D Report No. : MOST100419F1 Date of Issue : May 18, 2010 Issued by : Most Technology Service Co., Ltd. Address : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China Tel : 86-755-8617 0306 Fax : 86-755-8617 0310 The report consists 39 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should no t be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim produc t endorsement by MOST. The test results in the report only apply to the tested sample. The test report shall be invalid without all the signatures of testing engineers, reviewer and approver. FCC ID: PVDHT-16D Report No.:MOST100419F1 Page 2 of 39 CONTENTS 1. TEST RESULT CERTIFICATION ..................................................................................................3 2. Technical Information..................................................................................................................4 2.1 EUT Description ............................................................................................................................4 2.2 Objective........................................................................................................................................5 2.3 Test Standards and Results ...........................................................................................................5 3. Details of Test ..............................................................................................................................6 3.1 Identification of the Responsible Testing Laboratory .....................................................................6 3.2 Identification of the Responsible Testing Location .........................................................................6 3.3 List of Test Equipments..................................................................................................................7 3.4 Environmental Conditions..............................................................................................................8 4. Test Methodology ........................................................................................................................9 4.1 General Test Procedures ...............................................................................................................9 4.2 Description of Test Modes .............................................................................................................9 5. FCC Part 74 Requirements .......................................................................................................10 5.1 RF Output Power (Radiated) .......................................................................................................10 5.2 Modulation Deviation ...................................................................................................................13 5.3 Audio Frequency Response ........................................................................................................17 5.4 Occupied Bandwidth....................................................................................................................22 5.5 Radiated Spurious Emission........................................................................................................24 5.6 Frequency Stability vs. Temperature............................................................................................29 5.7 Frequency Stability vs. Voltage ....................................................................................................31 Annex A.................................................................................................................................................33 Photographs of the Test Setup ...........................................................................................................33 Annex B........................................................................................................................ .........................35 Photographs of the EUT ......................................................................................................................35 FCC ID: PVDHT-16D Report No.:MOST100419F1 Page 3 of 39 1. TEST RESULT CERTIFICATION Applicant Name: Shenzhen JWL Electronics Co., Ltd. Address: C and D Block, XiRong Industrial Estate, Gushu, XiXiang Avenue, BaoAn District, Shenzhen, Guangdong, China Manufacturer Name: Shenzhen JWL Electronics Co., Ltd. Address: C and D Block, XiRong Industrial Estate, Gushu, XiXiang Avenue, BaoAn District, Shenzhen, Guangdong, China Brand Name: GEMINI, JWL Equipment Under Test: Wireless Microphone Transmitter Model Number: HT-16D Series Model Difference description: N/A FCC ID： PVDHT-16D Test Standard FCC 47 CFR Part 74 Subpart H File Number: MOST100419F1 Date of Test: May 10, 2010 – May 18, 2010 We (MOST) hereby certify that: The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI TIA 603:2004 and the energy emitted by the sample EUT tested as described in this report is in compliance with radiated emission limits of FCC Rules Part 74 H. The test results of this report relate only to the tested sample identified in this report. Tested by (+ signature): Candy Zhang May 18, 2010 Review by (+ signature): Sam Zhong May 18, 2010 Approved by (+ signature): Yvette Zhou May 18, 2010 FCC ID: PVDHT-16D Report No.:MOST100419F1 Page 4 of 39 2. Technical Information Note: the following…

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FCC ID: PVDHT-16D Report No.:MOST100419F1 Radio Emission Setup Photo