QSRKLT6UWIRELESS MICROPHONE TRANSMITTER

12 A B 21 B A Title NumberRevisionSize A4 Date:4-Jan-2007 Sheet of File:E:\PCB\志\KST-6U\KST-6U.ddbDrawn By: BT1 3.0V +7V +5V(VCO) VR1 +5V(RF) 1 2 3 4 5 6 7 8 9 10 JP1 AUDIO +5V(VCO) +5V(RF) SUPPLY SWITCHER SUPPLY SWITCHER SUPPLY SWITCHER SUPPLY Oscillator 32.768KHz Oscillator O/PCOMPRESSOR (IC1B;IC2B) MCU (Q2,Q3) (IC1A) (IC4) (Q5,IC3) (Q7) (Q8) (Q6,Q9) SUPPLY DISPLAY (IC2A) 1 2 3 MK1 CON3 AUDIO SQ CONTROL (Q1) FREQUENCY CONTROL (K1) 3V SUPPLY (Q10,Q11) SWITCH CONTROL (SW1)

Page 1 of 2 External Photograph for FCCID：QSRKLT6U Frequency range: 720-806MHz Page 2 of 2

Page 1 of 1 FCCID：QSRKLT6U Label Location Frequency range: 720-806MHz Enping Karsect Electronics Corp Ltd. This device complies with Part 74 of FCC Rules FCC ID: QSRKLT6U

Page 1 of 1 FCCID：QSRKLT6U Label Location Frequency range: 720-806MHz Enping Karsect Electronics Corp Ltd. This device complies with Part 74 of FCC Rules FCC ID: QSRKLT6U

Page 1 of 2 Internal Photograph for FCCID: QSRKLT6U Frequency range: 720-806MHz Page 2 of 2

KLT-6U-AF Part Used PartType Designators ------------------------------------------------------------------------ 1 4 JP3 LED1 SW2 SW3 2 1 1.5K R18 3 1 1M R7 4 3 1u C2 C4 C9 5 1 3V BT1 6 1 6.8K R29 7 2 8.2u L1 L3 8 6 10K R9 R21 R25 R27 R33 R34 9 5 10u C14 C15 C16 C54 C56 10 1 15K R3 11 2 33K R35 R36 12 1 56K R28 13 1 91K R1 14 6 100K R2 R17 R19 R26 R31 R32 15 2 100u C52 C55 16 1 100uH L2 17 7 104 C1 C28 C29 C32 C34 C35 C41 18 1 220K R30 19 1 393 IC4 20 1 4148 D2 21 2 9014 Q5 Q7 22 3 9015 Q11 Q12 Q13 23 2 BAV99 BT3 BT4 24 1 CON6 JP1 25 1 LPC915 IC1 26 3 SS14 D1 D7 D8 27 1 SW 2*3 SW1 28 1 XC6367 IC2 29 1 XP151 Q6 KLT-6U-RF Part Used PartType Designators ------------------------------------------------------------------------ 1 26 C30 C51 C58 C86 IC4 L17 R8 R9 R10 R11 R15 R22 R32 R36 R37 R38 R39 TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 2 1 0.3P C55 3 6 0R C17 C25 L4 R20 R24 R54 4 1 1.5P C14 5 3 1.8P C31 C39 C49 6 6 1K L15 R14 R31 R58 R59 R60 7 1 1K5 R1 8 2 1M R41 R42 9 2 1SV329 VD1 VD2 10 1 1u C78 11 2 1uH L1 L6 12 1 2.0P C59 13 2 2.2K R61 R62 14 1 2.7K R13 15 1 2.7P C57 16 1 2P C33 17 1 3.3K R64 18 1 3K9 R2 19 3 3P C21 C32 VC2 20 1 4.0P C52 21 1 4.7K R40 22 1 4.7nH L19 23 1 4P C61 24 1 5.0P C56 25 3 6P C34 C60 C62 26 1 9P C23 27 5 10K R6 R51 R52 R65 VR1 28 1 10M X1 29 3 10nH L12 L14 L16 30 1 10nH(0805) L13 31 12 10u C16 C20 C22 C24 C26 C37 C38 C47 C48 C50 C67 C69 32 1 10uF C45 33 2 10uF/16V C1 C2 34 1 15P C36 35 1 18R R25 36 3 18nH L2 L3 L18 37 4 22K C68 R43 R44 R45 38 1 22u C46 39 2 22uF/16V C54 C63 40 1 30P C28 41 1 32.764K X2 42 5 33K R34 R50 R53 R56 R57 43 1 33P C43 44 1 39K R17 45 1 39P C73 46 1 47P C15 47 2 47R R18 R19 48 1 75K R12 49 1 82K R47 50 6 100K R16 R21 R33 R48 VR2 VR3 51 5 100R R3 R4 R5 R7 R27 52 7 101 C10 C11 C12 C65 C71 C77 R55 53 4 102 C41 C74 C79 C80 54 1 103 C75 55 20 104 C3 C4 C5 C6 C7 C8 C9 C13 C18 C27 C40 C42 C53 C64 C66 C70 C72 C82 C83 C85 56 1 150R R26 57 1 201 C76 58 2 220K R46 R63 59 1 220R R28 60 1 261 C81 61 1 330R R49 62 2 410 Q3 Q4 63 1 425 Q2 64 2 470R R29 R35 65 1 681 C87 66 1 4558 IC2 67 1 9013 Q1 68 3 9014 Q5 Q7 Q8 69 1 ? R23 70 1 ?P C19 71 1 BAV70 D2 72 1 CON2 TP10 73 1 CON6 JP3 74 1 CON10 J1 75 1 MB15E03SL IC1 76 1 R24 Q6 77 1 UTC571 IC3 78 1 V20P VC1

Page 1 of 1 FCCID: QSRKLT6U 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: QSRKLT6U) 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

12345678 A B C D 8 7654321 D C B A Title NumberRevisionSize A3 Date:27-Dec-2006Sheet of File:E:\PCB\志\KLT-6U\MyDesign.ddbDrawn By: C32 3P R29 470R R21 100K R25 18R R14 1K R13 2.7K C34 6P C33 2P C52 4.0P R35 470R R28 220R C54 22uF/16V C53 104 R33100K C40 104 C30 R311K R15 C42 104 VC2 3P AF IN C45 10uF R16 100K C31 1.8P VD1 1SV329 C43 33P R18 47R C49 1.8P C19 ?P R26 150R R27 100R C14 1.5P C56 5.0P C57 2.7P C18 104 C13 104 C59 2.0P C82 104 Q2 425 Q4 410 Q3 410 R12 75K C7 104 R36R37 R24 0R C60 6P C61 4P R38 R17 39K C9 104 C58 C6 104 C8 104 R19 47R C62 6P C51 C17 0R C21 3P C23 9P C39 1.8P C55 0.3P VD2 1SV329 R32 R34 33K L19 4.7nH L15 1K L13 10nH(0805) L2 18nH L3 18nH L16 10nH L18 18nH L12 10nH L14 10nH L4 0R X1 10M R6 10K C28 30P C36 15P VC1 V20P C41 102 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 101 C11 101 C12 101 R2 3K9 R1 1K5 R5 100R R4 100R R3 100R C1 10uF/16V C2 10uF/16V C5 104 C4 104 1 2 3 4 5 6 7 8 9 10 J1 CON10 Q1 9013 C63 22uF/16V C3 104 C64 104 C83 104 C65 101 C66 104 R7 100R C46 22u C69 10u C81 261 C70 104 C73 39P R63 220K R49 330R R64 3.3K R52 10K R60 1K R46 220K R62 2.2K Q7 9014 X2 32.764K 5V-RF Q5 9014 MUTE-CON 7V-CON R43 22K Q8 9014 R59 1K R54 0R R61 2.2K C80 102 C79 102 R47 82K R42 1M C68 22K C38 10u 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 IC3 UTC571 C50 10u C47 10u C37 10u C67 10u C78 1u R58 1K R57 33K R45 22K R44 22K C76 201 C72 104 C74 102 C71 101 C77 101 C75 103 C16 10u R56 33K R48 100K R39 R11 R22R50 33K R51 10K C22 10u C26 10u 1 1 2 2 W 3 VR2 100K C24 10u R55 101 3 2 1 8 4 IC2A 4558 5 6 7 IC2B 4558 7V-CON R53 33K L6 1uH L1 1uH C15 47P R10 R9 R8 R41 1M R40 4.7K C20 10u 1 1 2 2 W 3 VR1 10K 7V-CON AF IN MUTE-CON 5V-CON 7V-CON 5V-RF 5V-RF 5V-CON 5V-CON 5V-CON 5V-CON 5V-CON Q6 R24 L17 C87 681 D2 BAV70 R65 10K MUTE-SW MUTE-SW C86 C85 104 C25 0R C27 104 TP8 TP7 TP6TP2TP5TP4TP3 TP1 7V-CON5V-CONMUTE-CON5V-RF 1 2 TP10 CON2 1 2 3 4 5 6 JP3 CON6 C48 10u 1 1 2 2 W 3 VR3 100K R20 0R 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 IC4 7V-CON R23 ? R8R9R10R11R22R39 头戴 领夹 吉它 贴贴 贴贴贴 贴 贴贴 ANTENNA 1234 A B C D 4321 D C B A Title NumberRevisionSize A4 Date:21-Dec-2006Sheet of File:E:\PCB\志\KLT-6U\MyDesign.ddbDrawn By: C55 100u C54 10u C52 100u C56 10u C29 104 C35 104 C32 104 C34 104 R28 47K R30 220K R27 10K R29 6.8K R36 33K 1 2 34 5 IC2 XC6367 Q6 XP151 L2 100uH D8 SS14 BT1 3V 5V BATT Q5 9014 7V-CON7V POWER-CON R34 10K R35 33K Q7 9014 5V-RF POWER-RF R26 100K R32 100K C28 104 C41 104 C14 10u D1 SS14 D7 SS14 7V L3 8.2u L1 8.2u Q11 9015 Q13 9015 R33 10K 5V-CON5V R31 100K Q12 9015 R9 10K R17 10K R7 1M D2 4148 C15 10u P-RST R21 10K R25 10K 3V P-VCC C1 104 MUTE-CON 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 IC1 LPC915 1 2 3 4 5 JP3 P-VCC GND D2 1 D3 4 D0 3 D1 6 COM1 2 COM2 5 SW2 PLL-CLK PLL-IO PLL-CS POWER-RFP-RST P-RST2 POWER-CON POWER-RF SW3 5V POWER-CON D0 D1 D2 D3 3V P-RST2 R19 10K C9 1u BATT R18 1.5K LED1 3 2 1 8 4 IC4A 4558 PLL-CS R1 10K R2 10K R3 10K 7V-CON BT3 BAV99 BT4 BAV99 C16 10u 3V 5V-CON MUTE-CON 1 2 3 4 5 6 7 8 9 10 JP1 CON6 PLL-CS PLL-CLK PLL-IO 7V-CON 5V-RF 1 2 3 45 6 7 8 SW1 SW 2*3 SW-CON SW-CON 5V

FCCID：QSRKLT6U Report Number: HST0612MIC0204F Date of Issue: Dec 27, 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.: KLT-6U BRAND NAME: N/A FCC ID: QSRKLT6U REPORT NO: HST0612MIC0204F ISSUE DATE: December 27, 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：QSRKLT6U Report Number: HST0612MIC0204F Date of Issue: Dec 27, 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..........: KLT-6U Serial Number...........: N/A File Number..............: HST0612MIC0204F Date of Test..............: December 16, 2006 ~ December 26, 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：QSRKLT6U Report Number: HST0612MIC0204F Date of Issue: Dec 27, 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：QSRKLT6U Report Number: HST0612MIC0204F Date of Issue: Dec 27, 2006 Page 4 of 35 1. GENERAL INFORMATION 1.1 Product Description The Enping Karsect Electronics Corp Ltd, Model: KLT-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: 0.00067% (0.005%) B). Communication Type: Voice/Tone only C). Modulation: FM D). Emission type: F3E E). Emission designator: 100K3F3E (2M+2DK, M=12, D=38.04, K=1, Necessary Bandwidth = 100.1KHz) F). Emission Bandwidth: 102.7 KHz (Limit: 200 KHz) G).Peak Frequency Deviation: 38.04 KHz (Limit<±75 KHz) H).Audio Frequency Response: 12 KHz I). Maximum Transmitter Power: 3.24 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：QSRKLT6U Report Number: HST0612MIC0204F Date of Issue: Dec 27, 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：QSRKLT6U Report Number: HST0612MIC0204F Date of Issue: Dec 27, 2006 Page 6 of 35 2. System Test Configuration 2.1 …

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Page 1 of 1 Test setup for QSRKLT6U