OVVBS-50014 Channel FRS Transceiver with Weather Radio

• The test results rep orted in this rep ort shall refer only to the samp le actually tested and shall not refer or be deemed a refer to bulk from which such a samp le may be said to have been obtained. • This rep ort shall not be rep roduced excep t in full without p rior authorization from Intertek Testing Services Hong Kong Limit ed • For Terms And Conditions of the services, it can be p rovided up on request. Inte rte k Te sting Se rvice s Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Tel: (852) 2173 8888 Fax: (852) 2785 5487 Bonso Electronics Ltd. Application For Certification (FCC ID: OVVBS-500) June 11, 2001 WO# 0102767 WL/Sandy June 11, 2001 INTERTEK TESTING SERVICES FCC ID: OVVBS-500 i SUMMARY OF CONTENTS LIST OF EXHIBITS EXHIBIT 1 :General Description EXHIBIT 2 :System Test Configuration EXHIBIT 3 :RF Power Output EXHIBIT 4 :Modulation Characteristics EXHIBIT 5 :Occupied Bandwidth EXHIBIT 6 :Emission Spurious EXHIBIT 7 :Frequency Stability EXHIBIT 8 :Technical Specifications EXHIBIT 9 :Product Labelling EXHIBIT 10 :Photographs EXHIBIT 11: Instruction Manual INTERTEK TESTING SERVICES FCC ID: OVVBS-500 ii MEASUREMENT/TECHNICAL REPORT Application: Bonso Electronics Ltd. Trade Name/Model No : Bonso BS-500 Date: June 11, 2001 This report concerns (check one:)Original Grant X Class II Change Equipment Type: Family Radio Service, FRS 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. Report prepared by:Wilson Loke Intertek Testing Services. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Phone: 852-2173-8575 Fax:852-2745-8306 INTERTEK TESTING SERVICES FCC ID: OVVBS-500 iii Table of Contents 1.0 General Description ................................................................................................................ 2 1.1 Product Description ............................................................................................................2 1.2 Ralated 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 .................................................................................................... 6 2.3 Special Accessories .............................................................................................................6 2.4 Equipment Modification ..................................................................................................... 6 3.0 RF Output Power (Section 95.639(d)) ................................................................................... 8 4.0 Modulation Characteristics (Section 95.637(a)) ................................................................. 12 4.1 Modulation Frequiency Response ..................................................................................... 14 4.2 Modulation Limiting Characteristic................................................................................... 16 5.0 Occupied Bandwidth (Section 95.633(c) .............................................................................. 17 6.0 Spurious Emission (Section 95.635(b)) ................................................................................ 20 6.1 Field Strength of Spurious Radiation ................................................................................ 21 7.0 Frequency Stanility (Section 95.627) ................................................................................... 27 7.1 Frequency Tolerance ......................................................................................................... 28 7.2 Temperature Extreme Condition ....................................................................................... 30 7.3 Voltage Extreme Condition ............................................................................................... 33 8.0 Technical Specifications ........................................................................................................ 36 9.0 Product Labelling .................................................................................................................. 40 10.0 Equipment Photographs ..................................................................................................... 43 11.0 Instruction Mannal .............................................................................................................. 45 INTERTEK TESTING SERVICES FCC ID: OVVBS-500 iv List of attached file Exhibit typeFile DescriptionFilename Operation DescriptionTechnical Descriptiondescri.pdf Test ReportBandwidth Plotbw.pdf Test ReportModulation Frequency Responsemfr.pdf Test ReportModulation Limit Characteristicmlc.pdf Test ReportSpurious Emissionspurious.pdf Block DiagramBlock Diagramblock.pdf SchematicsCircuit Diagramcircuit.pdf ID Label/LocationLabel Artwork and Locationlabel.pdf User ManualUser Manualmanual.pdf Test ReportTest Reportreport.doc Test Setup PhotoRadiated Emissionradiated1.jpg to radiated2.jpg Internal PhotoInternal Photoiphoto1.jpg to iphoto3.jpg External PhotoExternal Photoophoto1.jpg to ophoto2.jpg Test ReportTune Up Proceduretuneup.pdf Test ReportPart Listpartlist.pdf INTERTEK TESTING SERVICES FCC ID: OVVBS-500 1 EXHIBIT 1 GENERAL DESCRIPTION INTERTEK TES…

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Modulation Frequency Response 0.00 1.00 2.00 20070012001700220027003200370042004700 Modulation Frequency (Hz) Frequency Deviation (kHz) Modulation Frequency Response 0.00 1.00 2.00 20070012001700220027003200370042004700 Modulation Frequency (Hz) Modulation Index (%)

Modulation Limiting Characteristic 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 475767778797107117127137 Modulation Input (dBSPL) Frequency Deviation (kHz) 500Hz 1000Hz 2500Hz 3125Hz