VT2ERF5XXX-XRF WEATHER STATION & RC CLOCK

Compliance Certification Services (Shenzhen) Inc. Report No: SZ071115B04-RP FCC ID: VT2ERF5XXX-X Date of Issue: November 28, 2007 Note: This report shall not be reproduced except in full, without the written approval of Compliance Certification Services Inc. This document may be altered or revised by Compliance Certification Services Inc. personnel only, and shall be noted in the revision section of the document. Page 1 Total Page: 24 Rev. 00 FCC 47 CFR PART 15 SUBPART C TEST REPORT For RF WEATHER STATION & RC CLOCK Model: ERF552W-2,ERF5XXXX-X (Where “X” can be taken place of “0-9”, “A”, “B”, “D”, “J”, “M”, “W”, “S”, or blank) Trade Name: N/A Prepared for GUANGZHOU ESENS ELECTRONIC CO., LTD. MENGYONG VILLAGE, DASHI TOWN, PANYU,GUANGZHOU, CHINA Prepared by COMPLIANCE CERTIFICATION SERVICES (SHENZHEN) INC. NO. 5, JINAO INDUSTRIAL PARK, NO. 35 JUKENG ROAD, DASHUIKENG VILLAGE, GUANLAN TOWN, BAOAN DISTRICT, SHENZHEN, CHINA TEL: 86-755-28055000 FAX: 86-755-28055221 Compliance Certification Services (Shenzhen) Inc. Report No: SZ071115B04-RP FCC ID: VT2ERF5XXX-X Date of Issue: November 28, 2007 Page 2 Rev. 00 TABLE OF CONTENTS 1. TEST RESULT CERTIFICATION............................................................................................. 3 2. EUT DESCRIPTION .................................................................................................................... 4 3. TEST METHODOLOGY ............................................................................................................. 5 3.1 EUT CONFIGURATION.............................................................................................................. 5 3.2 EUT EXERCISE......................................................................................................................... 5 3.3 GENERAL TEST PROCEDURES.................................................................................................. 5 3.4 FCC PART 15.205 RESTRICTED BANDS OF OPERATIONS ............................................. 6 3.5 DESCRIPTION OF TEST MODES................................................................................................. 6 4. INSTRUMENT CALIBRATION................................................................................................. 7 5. FACILITIES AND ACCREDITATIONS ................................................................................... 8 5.1 FACILITIES.............................................................................................................................. 8 5.2 EQUIPMENT............................................................................................................................. 8 5.3 LABORATORY ACCREDITATIONS AND LISTING....................................................................... 8 6. SETUP OF EQUIPMENT UNDER TEST .................................................................................. 9 6.1 SETUP CONFIGURATION OF EUT.............................................................................................. 9 6.2 SUPPORT EQUIPMENT.............................................................................................................. 9 7. FCC PART 15.231 REQUIREMENTS...................................................................................... 10 7.1 20 DB BANDWIDTH.......................................................................................................... 10 7.2 LIMIT OF TRANSMISSION TIME.............................................................................................. 12 7.3 DUTY CYCLE..................................................................................................................... 14 7.4 RADIATED EMISSIONS........................................................................................................... 18 7.5 POWERLINE CONDUCTED EMISSIONS.................................................................................... 23 Compliance Certification Services (Shenzhen) Inc. Report No: SZ071115B04-RP FCC ID: VT2ERF5XXX-X Date of Issue: November 28, 2007 Page 3 Rev. 00 1. TEST RESULT CERTIFICATION Applicant: GUANGZHOU ESENS ELECTRONIC CO., LTD. MENGYONG VILLAGE, DASHI TOWN, PANYU,GUANGZHOU, CHINA Manufacturer: GUANGZHOU ESENS ELECTRONIC CO., LTD. MENGYONG VILLAGE, DASHI TOWN, PANYU,GUANGZHOU, CHINA Equipment Under Test: RF WEATHER STATION & RC CLOCK Trade Name: N/A Model: ERF552W-2,ERF5XXXX-X (Where “X” can be taken place of “0-9”, “A”, “B”, “D”, “J”, “M”, “W”, “S”, or blank) Model Tested: ERF552W-2 Date of Test: November 11-28 , 2007 APPLICABLE STANDARDS STANDARD TEST RESULT FCC 47 CFR Part 15 Subpart C No non-compliance noted We hereby certify that: The above equipment was tested by Compliance Certification Services Inc. The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.4 and the energy emitted by the sample EUT tested as described in this report is in compliance with conducted and radiated emission limits of FCC Rules Part 15.207, 15.209 and Part 15.231. The test results of this report relate only to the tested sample identified in this report. Approved by: Tested By: To m G a n Reviewed By: Clinton Kao/ Manager Vincent Yao/ Assistant manager COMPLIANCE CERTIFICATION COMPLIANCE CERTIFICATION SERVICES (SHENZHEN) INC. SERVICES (SHENZHEN) INC. Compliance Certification Services (Shenzhen) Inc. Report No: SZ071115B04-RP FCC ID: VT2ERF5XXX-X Date of Issue: November 28, 2007 Page 4 Rev. 00 2. EUT DESCRIPTION Product RF WEATHER STATION & RC CLOCK Trade Name N/A Model Number ERF552W-2,ERF5XXXX-X (Where “X” can be taken place of “0-9”, “A”, “B”, “D”, “J”, “M”, “W”, “S”, or blank) Model Difference The models are different because of the appearance color for marketing purpose only. Power Supply DC 3V powered by the battery Frequency Range 433.83 MHz Antenna Designation Air Coil / +1dBi Remark: This submittal(s) (test report) is intended …

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Compliance Certification Services (Shenzhen) Inc. Report No: SZ071115B04-RP FCC ID: VT2ERF5XXX-X Date of Issue: November 28, 2007 Page 24 Rev. 00 APPENDIX 1 PHOTOGRAPHS OF TEST SETUP Radiated Emission Set up Photos