U7RX-001WIRELESS MICROPHONE TRANSMITTER

Guangzhou Huesent Testing Service Co.,Ltd. Lab: Guangzhou Huesent Testing Service Co., Ltd. Tel: 86-20-87221905 Fax: 86-20-87223892 Add: Self-ordained 68# courtyard, No. 91, Dongguanzhuang Road, Guangzhou, Guangdong, China. Http://www.hst.org.cn E-mail:[email protected] Page 1 of 1 < July 18, 2007 > Dear TCB Reviewer, Thank you for cooperation. I would like to submit FCC application of Betterway Electronic Co., Ltd. (FCCID: U7RX-001, MODEL: X-001、X-002、X-003、X-005、X-006、X-031) to you today. Best Regards, Guangzhou Huesent Testing Service Co.,Ltd. Henly/Manager

Page 1 of 1 External Photographs FCCID: U7RX-001

Page 1 of 1 FCCID Label FCCID: U7RX-001 Betterway Electronic Co., Ltd. FCCID:U7RX-001 The device complies with Part 74 of FCC rules

Page 1 of 1 FCCID Label Location FCCID: U7RX-001 Betterway Electronic Co., Ltd. FCCID:U7RX-001 The device complies with Part 74 of FCC rules

Page 1 of 1 Internal Photographs FCCID: U7RX-001

Part Used PartType 151k 211p 3 1 2k2 4 5 2u2 5 3 3.3uH 6 3 3T5 1 4T5 7 1 3k3 8 2 4k7 9 1 5V1 10 2 5k6 11 1 9V 12 1 10 13 7 10k 14 2 10p 15 5 10u 16 1 1 1 18 3 20P 19 4 22k 20 1 22p 1 42p 21 2 30p 22 2 33k 23 1 45 24 1 46 25 1 47 26 1 47k 27 1 47u 28 5 50p 29 1 56k 30 1 68p 31 1 78L05 32 4 102 33 15 103 34 3 104 35 2 470 36 2 680 37 1 2638 38 1 4558 39 1 5819 40 1 0618 41 1 B203 42 4 H10 43 1 K2X4 44 1 LED 45 1 MIC 107 frequency C13 C17 L5 L6 174.1MHz-213.5MHz 55p 45p 4T5 4T5 Designators R6 R14 R23 R27 R32 C24 R20 E1 E2 E4 E5 E6 L1 L2 L3 L5 L6 L7 L4 R11 R1 R5 D2 R18 R29 BATT R31 R7 R10 R12 R15 R19 R22 R26 C21 C26 E3 E8 E9 E10 E11 C17 X1 VC1 VC2 VC3 R3 R4 R8 R16 C13 C12 C11 C25 R21 R25 T02 T03 R13 R17 E7 C3 C6 C7 C10 C18 R9 C14 IC2 C1 C4 C8 C9 C2 C5 C15 C16 C19 C20 C22 C23 C29 C30 C31 C32 C33 C34 C35 C27 C28 VR2 R2 R30 R24 R28 IC1 D1 Q1 Q2 Q3 Q4 VR1 T01 D4 MIC D3 SW1

Page 1 of 1 FCCID: U7RX-001 Apr 28, 2007. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 I would like to confirm this device (FCCID: U7RX-001) does not have tune up information because the tune up is fixed by the manufacturer. Therefore, the user cannot tune up the device. Sincerely, Betterway Electronic Co.,Ltd. ------------------ Guangyang Zheng(Mr.) General Manager

1 2 34 ABCD 4 3 2 1 D CBA Title Number Revision Size A4 Date: 2-Feb-2007 Sheet of File: D:\BIL\..\F2003C.SCH Drawn By: MIC X1 L53T5 D12638 Q1 H10 32 1 IC1A4558 R185k6 T0245 C1130p R1910k C1322p R2133k C1468p R271k C1850p R295k6 C15103 R30470 C20103 R3110 C2110p C241p C2610p C22103 C750p C5103 C4102 R2470 C350p R141k C1242p R202k2 R2210k C1050p R24680 C16103 R231k C1715p R2610k C19103 R2533k C31103 R28680 C23103 R1747k C2530p R321k R1622k R1210k R1510k R822k R1010k R113k3 R710k R322kR422k R61k R14k7 C650p Q2H10 Q3H10 Q4H10 VC220P VR2104 L73T5 T0346 T010618 E42u2 E62u2 E12u2 E310u BE C 3EMH10 C27104 R1347 D25V1 D3LED L33.3uH L63T5 L13.3uH L44T5 L23.3uH VC320P VC120P E1110u C1102 E52u2 E910u 56 7 IC1B4558 C8102 E747u E810u C28104 C2103 Circuit diagram of the transmitter D45819 SW1K2X4 BATT9V C9102 F2003C.SCH(2004.04.05) VR1B203 R54k7 E22u2 2 1 3 IC2 78L05 C29103 E1010u C30103 AUDIO AUDIO C33103 C34103 C35103 C32103 R956k 2007.02.01

FCC ID：U7RX-001 Report Number：HST0706FCC0011 Date of Issue：May 24, 2007 Page 1 of 33 ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT INTENTIONAL RADIATOR CERTIFICATION TO FCC PART 74 SUBPART H REQUIREMENT OF Wireless Microphone Transmitter Model No. X-001 Brand Name: N/A FCC ID: U7RX-001 Report No.: HST0703FCC0011 Issue Date: May 24, 2007 Prepared for BETTERWAY ELECTRONIC CO., LTD. AOTE MANSION NORTHERN SUBURB INDUSTRIAL ZONE, ENPING CITY,GUANGDONG PROVINCE, CHINA. Guangzhou Huesent Testing Service Co.,Ltd. d.b.a. Guangzhou Huesent Testing Service Co.,Ltd. Self-ordained 68# courtyard, No. 91, Donggaungzhuang Road, Guangzhou, Guangdong, China. TEL: 86-020-87221905 FAX: 86-020-87223892 FCC ID：U7RX-001 Report Number：HST0706FCC0011 Date of Issue：May 24, 2007 Page 2 of 33 VERIFICATION OF COMPLIANCE Applicant..................: BETTERWAY ELECTRONIC CO., LTD. Address...................: Aote Mansion Northern Suburb Industrial Zone, Enping City, Guangdong Province, China. Manufacturer............: BETTERWAY ELECTRONIC CO., LTD. Address...................: Aote Mansion Northern Suburb Industrial Zone, Enping City, Guangdong Province, China. Product Description....: Wireless Microphone Transmitter Brand Name..............: None Model Number...........: X-001、X-002、X-003、X-005、X-006、X-031 Serial Number............: N/A File Number...............: HST0703FCC0011 Date of Test...............: Mar 1, 2007~Mar 22, 2007 Remark....................: Tests were performed for one model X-001 only，and the other models are models:X-002、X-003、X-005、X-006、X-031 which has same circuit, same frequency and electrical identified as model X-001. 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 63.4-2003 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 Reviewed By Henly xie / Manager Guangzhou Huesent Testing Service Co.,Ltd. FCC ID：U7RX-001 Report Number：HST0706FCC0011 Date of Issue：May 24, 2007 Page 3 of 33 Table of Contents 1. GENERAL INFORMATION ......................................................... 4 2. SYSTEM TEST CONFIGURATION .......................................... ... 7 3. SUMMARY OF TEST RESULTS ................................................ ... 8 4. DESCRIPTION OF TEST MODES ............................................. ... 8 5. MAXIMUM TRANSMITTER POWER .......................................... 9 6. MODULATION CHARACTERISTICS .......................................... 12 7. FREQUENCY TOLERANCE ...................................................... 20 8. EMISSION BANDWIDTH ............................................................ 24 9. UNWANTED RADIATION ......................................................... 27 APPENDIX 1 PHOTOGRAPHS OF SETUP ......................................................... 32 FCC ID：U7RX-001 Report Number：HST0706FCC0011 Date of Issue：May 24, 2007 Page 4 of 33 1. GENERAL INFORMATION 1.1 Product Description The Betterway Electronic Co., Ltd. Model: X-001(referred to as the EUT in this report). The EUT is a 3 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: 0.00044% (0.005%) B). Communication Type: Voice/Tone only C). Modulation: FM D). Emission type: F3E E). Emission designator: 45K2F3E (2M+2DK, M=10, D=12.7, K=1, Necessary Bandwidth = 45.4KHz) F). Emission Bandwidth: 52.8 KHz (Limit: 200 KHz) G).Peak Frequency Deviation: 12.7 KHz (Limit<±75 KHz) H).Audio Frequency Response: 10 KHz I). Maximum Transmitter Power: 0.073 mW (Limit: 50 mW) J). Output power Modification: Fixed can’t be change K). Unwanted Radiation: 1). At least 45 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 55 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 50 dB (Limit 3.4 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= 6.7 V and DC Current= 9.3 mA into the final stage for normal operation over the power range O). Battery Endpoint: DC 6.7 V P). Operating Frequency Range and Channels Frequency Range: 174.1 MHz – 215.6 MHz CH01 – 174.1MHz CH02 – 194.85MHz CH03 - 215.6MHz Q). Effective distance: 100M FCC ID：U7RX-001 Report Number：HST0706FCC0011 Date of Issue：May 24, 2007 Page 5 of 33 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 CERTIFICATION SERVICES (SHENZHEN) INC. 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 C63.4-2003 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 X-001 Outer Decora…

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FCC ID：U7RX-001 Report Number：HST0706FCC0011 Date of Issue：May 24, 2007 Page 33 of 33 Radiated Emission Setup Photo