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  3. LPV-SRF990

LPV-SRF990VHF Cordless Headphone System

Alford Industries Ltd
VHF Cordless Headphone System - FCC ID LPV-SRF990 - Alford Industries Ltd
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Application Details

Equipment Class
CYY - Communications Receiver used w/Pt 15 Transmitter
Date of Grant
Feb 07, 2000
Application Purpose
Original Equipment
Date of Application
Jan 19, 2000
Equipment Note
VHF Cordless Headphone System
Frequency Range
49.86000000 - 49.87000000
Company
Alford Industries Ltd
Country
Hong Kong

Documents & Files

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Users Manual

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Block Diagram

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Cover Letter(s)

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External Photos

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ID Label/Location Info

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Internal Photos

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Operational Description

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Schematics

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Test Report

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Test Setup Photos

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Cover Letter(s)

Dear Sir/ Madam, Regarding the application with EA96547, we have sent out two sets of Letter of Agency(letter.pdf), Test report(report.doc) and Technical Description(descri.pdf). Those document with applicant Alford Industries Limited should be the correct ones. Please see below for your differentiation and ignore the wrong ones. The Correct oneThe wrong one ApplicantAlford Industries Ltd.Uni-art Precise Products Ltd. FCC IDLPV-SRF990MVARS950-001T EA#EA96547EA96485 On the other hand, the FCC ID of the application should be LPV-SRF990, instead of LPVSRF990. Appreciate your help and sorry for confusion. Best Regards, Prudence S. M. Poon Compliance Engineer

Cover Letter(s)

Dear Sir/ Madam, Regarding the application with EA96547, we have sent out two sets of Letter of Agency(letter.pdf), Test report(report.doc) and Technical Description(descri.pdf). Those document with applicant Alford Industries Limited should be the correct ones. Please see below for your differentiation and ignore the wrong ones. The Correct oneThe wrong one ApplicantAlford Industries Ltd.Uni-art Precise Products Ltd. FCC IDLPV-SRF990MVARS950-001T EA#EA96547EA96485 On the other hand, the FCC ID of the application should be LPV-SRF990, instead of LPVSRF990. Appreciate your help and sorry for confusion. Best Regards, Prudence S. M. Poon Compliance Engineer

Operational Description

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Test Report

• The test results reported in this report shall refer only to the sample actually tested and shall not refer or be deemed to refer to bulk from which such a sample may be said to have been obtained. • This report shall not be reproduced except in full without prior authorization from Intertek Testing Services Hong Kong Limited FCC ID: MVARS950-001T Uni-Art Precise Products Ltd. Application For Certification (FCC ID: MVARS950-001T) Transmitter WO# 9908541 DY/kl September 20, 1999 INTERTEK TESTING SERVICES FCC ID: MVARS950-001T i LIST OF EXHIBITS INTRODUCTION EXHIBIT 1:General Description EXHIBIT 2:System Test Configuration EXHIBIT 3:Emission Results EXHIBIT 4:Equipment Photographs EXHIBIT 5:Product Labelling EXHIBIT 6:Technical Specifications EXHIBIT 7:Instruction Manual EXHIBIT 8:Miscellaneous Information INTERTEK TESTING SERVICES FCC ID: MVARS950-001T ii MEASUREMENT/TECHNICAL REPORT Uni-Art Precise Products Ltd. - MODEL: ARKON RS951 FCC ID: MVARS950-001T September 20, 1999 This report concerns (check one:)Original Grant X Class II Change Equipment Type: Low Power Transmitter (example: computer, printer, modem, etc.) Deferred grant requested per 47 CFR 0.457(d)(1)(ii)?Yes No X If yes, defer until: date Company Name agrees to notify the Commission by: date of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37?Yes No X If no, assumed Part 15, Subpart C for intentional radiator - the new 47 CFR [10-1-98 Edition] provision. Report prepared by:Daniel Yau Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576, Castle Peak Road, Kowloon, Hong Kong Phone: 852-2173-8542 Fax:852-2371-0914 INTERTEK TESTING SERVICES FCC ID: MVARS950-001T iii Table of Contents 1.0 General Description........................................................................................................... 2 1.1 Product Description .......................................................................................................... 2 1.2 Related Submittal(s) Grants .............................................................................................. 3 1.3 Test Methodology ............................................................................................................. 3 1.4 Test Facility ...................................................................................................................... 3 2.0 System Test Configuration................................................................................................ 5 2.1 Justification....................................................................................................................... 5 2.2 EUT Exercising Software ................................................................................................. 5 2.3 Special Accessories........................................................................................................... 5 2.4 Equipment Modification ................................................................................................... 6 2.5 Support Equipment List and Description .......................................................................... 6 3.0 Emission Results................................................................................................................. 8 3.1 Field Strength Calculation.................................................................................................8 3.1 Field Strength Calculation (cont) ...................................................................................... 9 3.2 Radiated Emission Configuration Photograph ................................................................ 10 3.3 Radiated Emission Data .................................................................................................. 11 3.4 Line Conducted Configuration Photograph ..................................................................... 14 3.5 Line Conducted Emission Data .......................................................................................... 16 4.0 Equipment Photographs.................................................................................................. 18 5.0 Product Labelling............................................................................................................. 20 6.0 Technical Specifications................................................................................................... 22 7.0 Instruction Manual.......................................................................................................... 24 8.0 Miscellaneous Information.............................................................................................. 26 8.1 Measured Bandwidth ...................................................................................................... 27 8.2 Discussion of Pulse Desensitization................................................................................ 28 8.3 Calculation of Average Factor ........................................................................................ 29 8.4 Emissions Test Procedures.............................................................................................. 30 8.4 Emissions Test Procedures (cont'd)................................................................................. 31 INTERTEK TESTING SERVICES FCC ID: MVARS950-001T iv List of attached file Exhibit typeFile Descriptionfilename Cover LetterLetter of Agencyletter.pdf Test ReportTest Reportreport.doc Operation DescriptionTechnical Descriptiondescri.pdf Test Setup PhotoRadiated Emissionradiated1.jpg, radiated2.jpg Test Setup PhotoConducted Emissionconduct1.jpg, conduct2.jpg, conduct3.jpg Test ReportBandwidth Plotbw.pdf Test ReportConducted Emission Test Resultconduct.pdf External PhotoExternal Photoophoto1.jpg, ophoto2.jpg Internal PhotoInternal Photoiphoto1.jpg, iphoto2.jpg, iphoto3.jpg, iphoto4.jpg, iphoto5.jpg Block DiagramBlock Diagramb…

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Test Report

• The test results reported in this report shall refer only to the sample actually tested and shall not refer or be deemed to refer to bulk from which such a sample may be said to have been obtained. • This report shall not be reproduced except in full without prior authorization from Intertek Testing Services Hong Kong Limited FCC ID : LPV-SRF990 Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Telephone (852) 2173 8888 Fax (852) 2785 5487 Alford Industries Limited Application For Certification (FCC ID: LPV-SRF990) Superheterodyne Receiver WO# 9912388 DY/kl December 15, 1999 INTERTEK TESTING SERVICES FCC ID: LPV-SRF990 i LIST OF EXHIBITS INTRODUCTION EXHIBIT 1:General Description EXHIBIT 2:System Test Configuration EXHIBIT 3:Emission Results EXHIBIT 4:Equipment Photographs EXHIBIT 5:Product Labelling EXHIBIT 6:Technical Specifications EXHIBIT 7:Instruction Manual EXHIBIT 8:Miscellaneous information INTERTEK TESTING SERVICES FCC ID: LPV-SRF990 ii MEASUREMENT/TECHNICAL REPORT Alford Industries Limited - MODEL: Cyber Lab SRF990 FCC ID: LPV-SRF990 December 15, 1999 This report concerns (check one:)Original Grant X Class II Change Equipment Type: Superheterodyne Receiver (example: computer, printer, modem, etc.) Deferred grant requested per 47 CFR 0.457(d)(1)(ii)?Yes No X If yes, defer until: date Company Name agrees to notify the Commission by: date of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37?Yes No X If no, assumed Part 15, Subpart C for intentional radiator - the new 47 CFR [10-1-98 Edition] provision. Report prepared by:Daniel Yau Intertek Testing Services 2/F., Garment Center, 576, Castle Peak Road, Kowloon, Hong Kong. Phone:852-2173-8542 Fax:852-2371-0941 INTERTEK TESTING SERVICES FCC ID: LPV-SRF990 iii Table of Contents 1.0 General Description................................................................................................................. 2 1.1 Product Description.............................................................................................................. 2 1.2 Related Submittal(s) Grants .................................................................................................2 1.3 Test Methodology ................................................................................................................ 3 1.4 Test Facility.......................................................................................................................... 3 2.0 System Test Configuration...................................................................................................... 5 2.1 Justification .......................................................................................................................... 5 2.2 EUT Exercising Software.....................................................................................................5 2.3 Special Accessories.............................................................................................................. 5 2.4 Equipment Modification ......................................................................................................6 2.5 Support Equipment List and Description.............................................................................. 6 3.0 Emission Results....................................................................................................................... 8 3.1 Field Strength Calculation .................................................................................................... 9 3.1 Field Strength Calculation (cont)........................................................................................ 10 3.2 Radiated Emission Configuration Photograph.................................................................... 11 3.3 Radiated Emission Data .....................................................................................................12 4.0 Equipment Photographs........................................................................................................ 15 5.0 Product Labelling................................................................................................................... 17 6.0 Technical Specifications......................................................................................................... 19 7.0 Instruction Manual................................................................................................................ 21 8.0 Miscellaneous Information.................................................................................................... 23 8.1 Discussion of Pulse Desensitization ................................................................................... 24 8.2 Calculation of Average Factor............................................................................................ 25 8.3 Emissions Test Procedure .................................................................................................. 26 8.3 Emissions Test Procedure (cont) ........................................................................................ 27 INTERTEK TESTING SERVICES FCC ID: LPV-SRF990 iv List of attached file Exhibit typeFile Descriptionfilename Cover LetterLetter of Agencyletter.pdf Test ReportTest Reportreport.doc Operation DescriptionTechnical Descriptiondescri.pdf Test Setup PhotoRadiated Emissionradiated1.jpg, radiated2.jpg External PhotoExternal Photoophoto1.jpg, ophoto2 .jpg Internal PhotoInternal Photoiphoto1.jpg, iphoto2.jpg, iphoto3.jpg, iphoto4.jpg, iphoto5.jpg Block DiagramBlock Diagramblock.pdf SchematicsCircuit Diagramcircuit.pdf ID Label/LocationLabel Artwork and Locationlabel.pdf User ManualUser Manualmanual.pdf INTERTEK TESTING SERVICES FCC ID: LPV-SRF990 1 EXHIBIT 1 GENERAL DESCRIPTION INTERTEK TESTING SERVICES FCC ID: LPV-SRF990 2 1.0General Description 1.1Product Description Th…

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Contact Information

Applicant

Christine Tse(Business Manager)
[email protected]85223702028Fax: 85227413401

Technical Contact

Intertek Testing Servies Hong Kong Ltd.Daniel K.K. Yau
[email protected](852) 2173 8542

2/F., Garment Centre, · Kowloon, · Hong Kong

Non-Technical Contact

Intertek Testing Services Hong Kong Ltd.Daniel K.K. Yau
[email protected](852) 2173 8542

Test Firm

Intertek Testing Services Hong KongBilly Chow
[email protected]852-2173-8528Fax: 852-2371-0914

Technical Specifications

#Rule PartsFrequency RangePower Output
115B49.86 MHz - 49.87 MHz-

Other Applications from Alford Industries Ltd

Multi-Link Bluetooth Headphone - FCC ID LPV-JXHDBT1 - Alford Industries Ltd
LPV-JXHDBT1

Multi-Link Bluetooth Headphone

Mar 01, 2012

Equipment Class

DSS - Part 15 Spread Spectrum Transmitter
Stereo RF Cordless Headphone Transmitter - FCC ID LPV-STF2010 - Alford Industries Ltd
LPV-STF2010

Stereo RF Cordless Headphone Transmitter

Mar 24, 2004

Equipment Class

DXX - Part 15 Low Power Communication Device Transmitter
Stereo RF Cordless Headphone Receiver - FCC ID LPV-SRF2010 - Alford Industries Ltd
LPV-SRF2010

Stereo RF Cordless Headphone Receiver

Mar 24, 2004

Equipment Class

CRR - Superregenerative Receiver
LPVMCB-2E

Auditory Assistance Receiver

Nov 02, 1997

Equipment Class

CYY - Communications Receiver used w/Pt 15 Transmitter
LPVMCR-2E

Auditory Assistance Receiver

Nov 02, 1997

Equipment Class

CYY - Communications Receiver used w/Pt 15 Transmitter