QSRKST6UWIRELESS MICROPHONE TRANSMITTER

Page 1 of 1 External Photograph for FCCID: QSRKST6U Frequency range：720-806MHz

FCCID label for FCCID: QSRKST6U Frequency range: 720MHz – 806MHz FCC ID: QSRKST6U

FCCID label for FCCID: QSRKST6U Frequency range: 720MHz – 806MHz FCC ID: QSRKST6U

Page 1 of 2 Internal Photograph of FCCID：QSRKST6U Page 2 of 2

KST-6U-RF Part Used PartType Designators ------------------------------------------------------------------------ 1 3 R32 R37 TP1 2 1 0.3P C55 3 1 1.2P C48 4 1 1.5P C49 5 3 1K R11 R14 R31 6 1 1K5 R1 7 2 1SV329 VD1 VD2 8 2 2.0P C52 C59 9 1 2.2K R38 10 1 2.7P C57 11 1 2K7 R13 12 1 3K9 R2 13 1 4.0P C61 14 2 5.0P C56 C62 15 2 5.5P C32 L19 16 3 5.6nH L6 L14 VC2 17 1 5P C34 18 4 6.0P C31 C50 C51 C60 19 1 6P C33 20 1 8.2K R17 21 1 8.2nH L16 22 2 10K R6 R34 23 1 10M X1 24 1 10nH L7 25 3 10uF/16V C1 C2 C42 26 1 15P C36 27 4 18nH L2 L3 L17 L18 28 2 22uF/16V C54 C63 29 3 27P C17 C20 C21 30 1 30P C28 31 1 33P C43 32 3 47R R18 R19 R20 33 3 51R R9 R24 R26 34 1 56K R12 35 3 100K R16 R21 R33 36 6 100P C10 C11 C12 C29 C47 C66 37 5 100R R3 R4 R5 R27 R39 38 1 102P C41 39 18 104P C3 C4 C5 C6 C7 C8 C9 C13 C14 C15 C16 C18 C35 C40 C45 C53 C64 C65 40 1 220R R10 41 1 220nH L4 42 1 330R R35 43 1 410 Q4 44 2 425 Q2 Q3 45 2 470R R28 R29 46 1 472P C30 47 1 9013 Q1 48 1 ?P C19 49 1 ANTENNA 50 2 CON2 JP3 JP5 51 1 CON10 J1 52 1 MB15E03SL IC1 53 1 R24 Q6 54 1 V20P VC3 55 1 VC6P VC1 56 3 ？ C25 C58 R36 KST-6U-AF Part Used PartType Designators ------------------------------------------------------------------------ 1 4 J2 K1 K2 LED1 2 3 0R R5 R13 R25 3 4 1K R7 R12 R15 R39 4 1 1K5 R14 5 2 1U C40 C6 6 1 2K2 R11 7 1 4K7 R9 8 2 8.2UH L1 L3 9 9 10K R1 R6 R16 R17 R23 R31 R32 R36 VR1 10 15 10U C32 C33 C34 C36 C38 C1 C2 C3 C4 C7 C8 C9 C10 C12 C13 11 1 20P C16 12 3 22K R29 R37 R38 13 1 27K R22 14 5 33K R4 R33 R34 R40 R41 15 1 62K R2 16 2 68nH L4 L5 17 1 82K R28 18 6 100K R3 R18 R20 R21 R35 VR2 19 2 100U C35 C37 20 1 100UH L2 21 2 101 C25 C26 22 3 102 C15 C19 C31 23 1 103 C30 24 8 104 C5 C14 C17 C21 C22 C23 C24 C28 25 1 120K R27 26 1 201 C39 27 3 220K R8 R10 R26 28 1 221 C18 29 1 330 R19 30 1 681 C20 31 1 4148 D3 32 1 4558 IC1 33 5 9014 Q1 Q2 Q3 Q4 Q6 34 3 9015 Q7 Q8 Q9 35 1 32768 X2 36 1 BATTERY BT 37 2 BAV99 Q10 Q11 38 1 CON6 J1 39 1 LPC915 IC4 40 1 MIC MK1 41 1 NE571 IC2 42 3 SS14 D1 D2 D4 43 1 SW 2*2 SW1 44 1 XC6367 IC3 45 1 XP151 Q5

Page 1 of 1 FCCID: QSRKST6U Dec. 19, 2006. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 I would like to confirm this device (FCCID: QSRKST6U) does not have tune up information because the tune up is fixed by the manufacturer. Therefore, the user cannot tune up the device. Sincerely, Enping Karsect Electronics Corp Ltd ------------------ Fangxiang He(Mr.) Director

1234 A B C D 4321 D C B A Title NumberRevisionSize A4 Date:27-Dec-2006Sheet of File:E:\PCB\志\KST-6U\KST-6U.ddbDrawn By: C32 5.5P R29 470R R21 100K R14 1K R13 2K7 C34 5P C33 6P R35 330R R28 470R C54 22uF/16V C29 100P C53 104P R33100K C40 104P C30 472P R311K VC2 5.6nH AF IN R16 100K C31 6.0P VD1 1SV329 C43 33P C49 1.5P C19 ?P R26 51R R27 100R C66 100P C56 5.0P C57 2.7P C59 2.0P C64 104P Q2 425 Q4 410 Q3 425 R12 56K C35 104P R36 ？ R37 R24 51R C60 6.0P C61 4.0P R38 2.2K R17 8.2K C8 104P C58 ？ C20 27P C6 104P R19 47R +5V-RF C62 5.0P C51 6.0P C48 1.2P VC1 VC6P C55 0.3P VD2 1SV329 R32 R34 10K +5V-CON L19 5.5P L2 18nH L3 18nH L16 8.2nH L18 18nH L6 5.6nH L7 10nH L14 5.6nH L17 18nH X1 10M R6 10K C28 30P C36 15P VC3 V20P C41 102P OSCin 1 OSCout 2 Vp 3 Vcc 4 DO 5 GND 6 xfin 7 fin 8 CLK 9 DA 10 LE 11 PS 12 ZC 13 LD/fout 14 P 15 R 16 IC1 MB15E03SL C10 100P C11 100P C12 100P R2 3K9 R1 1K5 R5 100R R4 100R R3 100R C1 10uF/16V C2 10uF/16V C5 104P C14 104P +5V-CON +5V-CON 1 2 3 4 5 6 7 8 9 10 J1 CON10 +5V-RF +5V-CON Q1 9013 C63 22uF/16V C4 104P C65 104P C3 104P Q6 R24 C47 100P R10 220R R39 100R +5V-CON L4 220nH C52 2.0P C50 6.0P C7 104P C15 104P C9 104P C25 ？ TP1 ANTENNA C13 104P R20 47R R18 47R C18 104P C45 104P C42 10uF/16V AF IN C16 104P R9 51R R11 1K 1 2 JP3 CON2 1 2 JP5 CON2 C21 27P C17 27P 1234 A B C D 4321 D C B A Title NumberRevisionSize B Date:21-Dec-2006Sheet of File:E:\PCB\志\KST- 6U\KST-6U.ddb Drawn By: C37 100U C32 10U C36 10U C33 10U C35 100U C38 10U C18 221 C24 104 C21 104 C15 102 C16 20P C22 104 R28 82K R26 220K R23 10K R8 220K R2 62K R3 100K R27 120K R33 33K R6 10K R12 1K R10 220K R11 2K2 Q3 9014 X2 32768 AUDIO OUT 5V-RF Q1 9014 MUTE 7V-CON 1 2 34 5 IC3 XC6367 Q5 XP151 L2 100UH D4 SS14 BT BATTERY 5V L4 68nH L5 68nH BATT+BATT- BATT Q4 9014 7V-CON7V POWER-CON R32 10K R34 33K Q6 9014 5V-RF POWER-RF Q2 9014 R7 1K R5 0R R9 4K7 C17 104 C19 102 C23 104 C9 10u 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 IC2 NE571 C7 10u C13 10u C8 10u C4 10u C6 1u C40 1U R39 1K R40 33K R37 22K R38 22K C39 201 C26 101 C31 102 C25 101 C28 104 C30 103 C2 10u C1 10u R41 33K R35 100K R1 10K R36 10K MK1 MIC C10 10u C3 10u 1 1 2 2 W 3 VR1 10K D1 SS14 D2 SS14 7V L3 8.2UH L1 8.2UH Q79015 Q99015 R31 10K 5V-CON5V Q8 9015 R13 0R R16 10K R19 330 R20 100K D3 4148 5 6 7 IC1B 4558 3 2 1 8 4 IC1A 4558 7V-CON 1 2 3 4 5 6 7 8 9 10 J1 CON6 PLL-CS PLL-CLK PLL-IO 5V-CON 5V-RF AUDIO OUT R17 10K 3V P-VCC MUTE P0.1 1 P0.0 2 P0.2 14 P0.3 13 P0.4/PDA 12 P0.5/PCL 11 RST/P1.5 3 VSS 4 INT1/P1.4 5 INT0/P1.3 6 T0/P1.2 7 RXD/P1.1 8 TXD/P1.0 9 VDD 10 IC4 LPC915 1 2 3 4 5 J2 P-VCC GND D2 1 D3 4 D0 3 D1 6 COM1 2 COM2 5 K1 PLL-CLK PLL-IO PLL-CS POWER-RF P-RST P-RST2 POWER-CON POWER-RF K2 5V POWER-CON D0 D1 D2 D3 Q10 BAV99 K 2 A 1 3 3 Q11 BAV99 3V C12 10u P-RST 1 2 34 5 6 SW1 SW 2*2 1 P-RST2 R4 33K R15 1K C34 10U BATT R14 1K5 LED1 R18 100K R25 0R R21 100K C14 104 C5 104 1 1 1 2 2 W 3 VR2 100K R22 27K C20 681 R29 22K

FCCID：QSRKST6U Report Number: HST0612MIC0202F Date of Issue: Dec 26, 2006 Page 1 of 35 ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT INTENTIONAL RADIATOR CERTIFICATION TO FCC PART 74 SUBPART H REQUIREMENT OF Wireless Microphone Transmitter MODEL NO.: KST-6U BRAND NAME: N/A FCC ID: QSRKST6U REPORT NO: HST0612MIC0202F ISSUE DATE: December 26, 2006 Prepared for Enping Karsect Electronics Corp Ltd No.32, Xinping Road, Enping, Guangdong, China. Prepared by Guangzhou Huesent Testing Service Co.,Ltd. d.b.a. Guangzhou Huesent Testing Service Co.,Ltd. Self-ordained 68# courtyard, No. 91, Dongguanzhuang Road, Guangzhou, Guangdong, China. TEL: 86-020-87221905 FAX: 86-020-87223892 FCCID：QSRKST6U Report Number: HST0612MIC0202F Date of Issue: Dec 26, 2006 Page 2 of 35 VERIFICATION OF COMPLIANCE Applicant.................: Enping Karsect Electronics Corp Ltd Address...................: No.32 Xinping Road Enping GuangDong China. Manufacturer............: Enping Karsect Electronics Corp Ltd Address...................: No.32 Xinping Road Enping GuangDong China. Product Description..: Wireless Microphone Transmitter Brand Name.............: N/A Model Number..........: KST-6U Serial Number...........: N/A File Number..............: HST0612MIC0202F Date of Test..............: December 16, 2006 ~ December 24, 2006 We hereby certify that: The report for the equipment was prepared by Guangzhou Huesent Testing Service 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 63.4:2001 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: Date of Issue：Dec 26, 2006 (Henly.xie/QA Manager) Guangzhou Huesent Testing Service Co.,Ltd. FCCID：QSRKST6U Report Number: HST0612MIC0202F Date of Issue: Dec 26, 2006 Page 3 of 35 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 ........................... ..........................................21 8. EMISSION BANDWIDTH ...........................................................................25 9. UNWANTED RADIATION .......................................................................... 28 APPENDIX 1 PHOTOGRAPHS OF SETUP .........................................................................34 FCCID：QSRKST6U Report Number: HST0612MIC0202F Date of Issue: Dec 26, 2006 Page 4 of 35 1. GENERAL INFORMATION 1.1 Product Description The Enping Karsect Electronics Corp Ltd, Model: KST-6U (referred to as the EUT in this report). The EUT is a 13 channels Wireless Microphone 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: 0.00061% (0.005%) B). Communication Type: Voice/Tone only C). Modulation: FM D). Emission type: F3E E). Emission designator: 53K3F3E (2M+2DK, M=12, D=36.63, K=1, Necessary Bandwidth = 53.2KHz) F). Emission Bandwidth: 58.8 KHz (Limit: 200 KHz) G).Peak Frequency Deviation: 36.63 KHz (Limit<±75 KHz) H).Audio Frequency Response: 14.21 KHz I). Maximum Transmitter Power: 3.12 mW (Limit: 250 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 27 dB (Limit 17.38 dB) on any frequency removed from the center of authorized bandwidth by more than 250%) L ). Antenna Designation: Integral M). Power Supply: 3V dc by battery N). DC Voltage= 2.54 and DC Current= 26.5 mA into the final stage for normal operation over the power range O). Battery Endpoint: DC 2.4V P). Operating Frequency Range and Channels Frequency Range: 720 MHz – 806 MHz CH01 – 720.00MHz CH02 – 763.00MHz CH03 – 806.00MHz Q). Effective distance: 120M FCCID：QSRKST6U Report Number: HST0612MIC0202F Date of Issue: Dec 26, 2006 Page 5 of 35 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 Compliance Engineering Service (China), No. 6, Jinao industrial park, No.35 Jukeng Road, Dashuikeng Village, Guanlan Town, Baoan District, Shenzhen, China. The Open Area Test Site is constructed and calibrated to meet the FCC requirements in documents ANSI C63.4: 2001 and CISPR 22/EN 55022 requirements. FCC Registered Test Site Number：101879. 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 None None FCCID：QSRKST6U Report Number: HST0612MIC0202F Date of Issue: Dec 26, 2006 Page 6 of 35 2. System Test Configuration 2.1 …

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Page 1 of 1 Test Setup for FCCID: QSRKST6U Frequency range: 720-806MHz