SSC-DBU600WSRWireless Door Chime

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UNION INSTRUMENTS CO.,LTD. UNION BEST ENTERPRISE LTD. UNIT D, 7/F, GOOD YEAR INDUSTRY BLDG TEL: (852) 2389 3004 119 – 121 HOW MING STREET, KWUN TONG (852) 2389 2164 KOWLOON, HONG KONG FAX: (852) 2342 2784 http:// www.unioninst.com.hk e-mail: [email protected] __________________________________________________________________________________________________________ 地址：香港九龍官塘巧明街119-121號年運工業大廈7樓D座 Te l： (852) 2389 3004 (852) 2389 2164 Fax：(852) 2342 2784 http ： //www.unioninst.com.hk e-mail: [email protected] 20 Dec 2004 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rule, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below: - Schematics - Block Diagram - Technical Descriptions The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Tsui Chi San Title: General Manager

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www.tuv.com Appendix 5 Prüfbericht - Nr.: Test Report No. 14008249 001 Seite 3 von 5 Page 3 of 5 Rating Label on Receiver U-632AW, U-632BW, U-635W, U-639W, U-639F Size: 20x30mm FCC ID: SSC-DBU600WSR THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATIONS.

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www.tuv.com Test Summary Spurious Radiated Emissions Result: Pass Test Report No.: 14008249 001 Date: 15.12.2004 Page 2 of 11 www.tuv.com Contents General Remarks...................................................................................................4 Complementary Materials..................................................................................................4 List of Test and Measurement Instruments.........................................................5 General Product Information................................................................................6 Product Function and Intended Use.................................................................................6 Circuit Description.............................................................................................................6 Ratings and System Details..............................................................................................6 Independent Operation Modes..........................................................................................7 Submitted Documents.......................................................................................................7 Related Submittal(s) Grants..............................................................................................7 Test Set-up and Operation Mode..........................................................................8 Principle of Configuration Selection................................................................................8 Test Operation and Test Software....................................................................................8 Special Accessories and Auxiliary Equipment...............................................................8 Countermeasures to achieve EMC Compliance..............................................................8 Test Methodology..................................................................................................9 Radiated Emission.............................................................................................................9 Field Strength Calculation.................................................................................................9 Test Results.........................................................................................................10 Spurious Radiated Emissions Section 15.109...........................................................10 Test Report No.: 14008249 001 Date: 15.12.2004 Page 3 of 11 www.tuv.com General Remarks Complementary Materials All attachments are integral parts of this test report. This applies especially to the following appendix: Appendix 1: Test Results Appendix 2: Test Setup Appendix 3: EUT External Photo Appendix 4: EUT Internal Photo Appendix 5: FCCID Label, Block Diagram, Schematics and User manual. Test Report No.: 14008249 001 Date: 15.12.2004 Page 4 of 11 www.tuv.com List of Test and Measurement Instruments Kind of Equipment Manufacturer Type S/N Test Receiver Rohde & Schwarz ESVS30 842807/009 Biconical Antenna Rohde & Schwarz HK116 841489/015 Log.-Periodic Antenna Rohde & Schwarz HL223 841516/017 Double Ridge Horn Antenna EMCO 3115 9002-3351 Double Ridge Horn Antenna EMCO 3115 9002-3347 Signal Generator Rohde & Schwarz SMY 01 844146/024 Test Report No.: 14008249 001 Date: 15.12.2004 Page 5 of 11 www.tuv.com General Product Information Product Function and Intended Use The equipment under test ( EUT) is a RC door chime operating at 433.920 MHz. After our construction checking and declaration by the manufacturer, it is deemed that U-601, U-632AW, U-632BW, U-635W and are identical in PCB layout and function, they only differ in cosmetic design. Model U-639W and U-639F provide in addition flash light function. Hence the representative model: U-639F was chosen to conduct all testing. FCCID: SSC-DBU600WSR Model Product description U-601 Alarm and vibration function U-632AW Alarm only U-632BW Alarm only U-635W Alarm only U-639W Alarm with flash light U-639F Alarm with flash light Circuit Description The Q1 and the associated circuit act as superregenerative receiver. Q2, Q3, Q4 and the associated circuit act as amplifier. U2 and the associated circuit act as a Decode. Q5, Q6, Q7 and the associated circuit act as a Speaker Control and amplifier. Q11 is a LED Flash Control. SW1 is a lower volume, sound louder or vibrate (Electronic Flash) selector switch. Q8 Q9, Q10 and the associated circuit act as control and amplifier for vibrate motor (Electronic Flash). M1 is a Vibrate motor. UY1 and the associated circuit act as pulse oscillator (13KHz) for electronic flash set up and electronic flash time control generator. T1 is a step up transformer. QY2, QY3 is pulse amplifier for set up. QY1 and the associated circuit act as flash lamp control switch. ET3 is storage energy capacitance for flash lamp. Test Report No.: 14008249 001 Date: 15.12.2004 Page 6 of 11 www.tuv.com Ratings and System Details Receiver Frequency range : 433.920MHz Number of channels : 1 Type of antenna : Integral antenna Power supply : Battery operated 3.0V Ports : none Protection Class : III Independent Operation Modes The basic operation modes are: - Door Chime : Light and alarm function selection (Light function is for some models only ) For further information refer to User Manual Submitted Documents The submitted documents are listed as follow: - Circuit diagram - Block diagram - User manual - Label artwork Related Submittal(s) Grants This is a single application for certification of the Receiver. Test Report No.: 14008249 001 Date: 15.12.2004 Page 7 of 11 www.tuv.com Test Set-up and Operation Mode Principle of Configuration Selection Emission: The equipment under test (EUT) was configured to measure its highest possible radiation level. The test modes were adapted accordingly in reference to the instructions for use. Test Operation and Test Software Test operation should refer to test methodology. - …

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www.tuv.com Appendix 2 Prüfbericht - Nr.: Test Report No. 14008249 001 Seite 1 von 1 Page 1 of 1 Set-up for Radiation Emission ( Receiver)