TRKHC108THAPPY CALL (TRANSMITTER)

1. User's manual 1. Outline This digital wireless calling system consists of receiver and transmitter. Once press the button of transmitter, signal is created by using radio wave frequency of 433.92 . At the same time the receiver perceives registered㎒ received signal and announce it by calling sound(voice or melody). 2. Working method 1) RECEIVER Connect the DC 12V power and turn on the ON/OF switch. Input the number for calling using function button at the receiver 2) TRANSMITTER Once user press the button of transmitter registered in the receiver then it makes the signal with 433.92 and it is perceived by the receiver. At the㎒ same time number is displayed at the displaying part and beeper sound is ringing at the speaker. 2. USER INFORMATION Acknowledging Special Precautionsand the FCC Industry Canada Notice Cautions Modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. FCC compliance Information When used the This device complies with part 15 of 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 operation. Information to User This equipment has been tested and found to comply with the limits for a ClassBdigital device, Pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio Frequency energy and,ifnot installed and used in accordance withthe instructions, may cause harmfulinterference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment doescause harmful interference to radioor television reception, which can be determined byturningtheequipmentoffandon,theuser is encouraged to try to correct the interference by one or more of the followingmeasures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver - Connect the equipment into an outleton a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. .

November 3, 2005 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 In re : DAE MYUNG ELECTRONICS CO.,LTD FCC ID : TRKHC108T Request for Confidentiality Gentlemen: Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Schematics, Parts list, Block diagram and Operational description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, IN-SEOB HWANG CEO 29-1, SongPa-Dong, Song Pa-Ku, Seoul, 138-170, Korea TEL No : +82-2-419-7576 FAX No : +82-2-418-5190

FCC ID: TRKHC108T Copyright Ⓒ 2005, LTA Co., Ltd. View 1

FCC ID: TRKHC108T Copyright Ⓒ 2005, LTA Co., Ltd. FCC ID SAMPLE LABEL & LOCATION DAE MYUNG ELECTRONICS MODEL : HC-108T FCC ID : TRKHC108T

FCC ID: TRKHC108T Copyright Ⓒ 2005, LTA Co., Ltd. View 1 FCC ID: TRKHC108T Copyright Ⓒ 2005, LTA Co., Ltd. View 2

LTA#LR500110511A Copyright ○ c 2005, LTA Co., Ltd. Page 1 of 19 243 Jubug-Ri,Yangji-Myeon, Yongin-Si, Gyeonggi-Do, Korea 449-822 Tel: +82-31-323-6008 Fax: +82-31-323-6010 http://www.ltalab.com Dates of Tests: November 1 ~ 2, 2005 Test Report S/N: LR500110511A Test Site : LTA CO., LTD. FCC ID APPLICANT TEST REPORT FCC Part 15C Certification Manufacturing Description : Happy Call (Transmitter) Manufacturer : DAE MYUNG ELECTRONICS CO.,LTD Model name : HC-108T Test Device Serial No.: : Identification FCC Rule Part(s) : ANSI C-63.4-2003 FCC Part 15 Subpart C Frequency Range : 433.92 MHz Data of issue : November 3, 2005 This test report is issued under the authority of: The test was supervised by: Dong –Min JUNG, Technical Manager Kyung-Taek LEE, Test Engineer This test result only responds to the tested sample. It is not allowed to copy this report even partly without the allowance of the test laboratory. This report must not be used by the applicant to claim product endorsement by NVLAP or any agency of the U.S. Government. TRKHC108T DAE MYUNG ELECTRONICS CO.,LTD LTA#LR500110511A Copyright ○ c 2005, LTA Co., Ltd. Page 2 of 19 TABLE OF CONTENTS 1. GENERAL INFORMATION’S -------------------------------------------------------------------------- 2. INFORMATION’S ABOUT TEST ITEM ------------------------------------------------------------- 3. TEST REPORT 3.1 SUMMARY OF TESTS ------------------------------------------------------------------------------ 3.2 TRANSMITTER REQUIREMENTS 3.2.1 CONDUCTED EMISSION --------------------------------------------------------------------- 3.2.2 RADIATED EMISSION ------------------------------------------------------------------------ 3.3 RECEIVER REQUIREMENTS 3.3.1 CONDUCTED EMISSION --------------------------------------------------------------------- 3.3.2 RADIATED EMISSION ------------------------------------------------------------------------ APPENDIX APPENDIX 1 BANDWIDTH OF EMISSION ------------------------------------------------------ APPENDIX 2 DUTY CYCLE DETERMINATION ------------------------------------------------ APPENDIX 3 TEST EQUIPMENT USED FOR TESTS ------------------------------------------ APPENDIX 4 LABEL AND USER'S MANUAL INFORMATION ----------------------------- 3 4 5 6 7 9 10 11 13 15 17 LTA#LR500110511A Copyright ○ c 2005, LTA Co., Ltd. Page 3 of 19 1. General information’s 1-1 Test Performed Company name : LTA Co., Ltd. Address : 243, Jubug-ri,Yangji-Myeon,Youngin-Si, Kyunggi-Do, Korea. 449-822 Web site : http://www.ltalab.com E-mail : [email protected] Telephone : +82-31-323-6008 Facsimile +82-31-323-6010 Quality control in the testing laboratory is implemented as per ISO/IEC 17025 which is the “General requirements for the competents of calibration and testing laboratory”. 1-2 Accredited agencies LTA Co., Ltd. is approved to perform EMC testing by the following agencies: Agency Country Accreditation No. Validity Reference NVLAP U.S.A 200723-0 After AssessmentECT accredited Lab. RRL KOREA KR0049 2007-07-13 EMC accredited Lab. FCC U.S.A 610755 2008-03-28 FCC filing VCCI JAPAN R2133, C2307 2008-06-22 VCCI registration IC CANADA IC5799 2008-04-23 IC filing LTA#LR500110511A Copyright ○ c 2005, LTA Co., Ltd. Page 4 of 19 2. Information’s about test item 2-1 Client Company name : DAE MYUNG ELECTRONICS CO.,LTD. Address : 29-1, SongPa-Dong, Song Pa-Ku, Seoul 138-170 Country : Korea Telephone : +82-2-419-7576 Facsimile : +82-2-418-5190 2-2 Equipment Under Test (EUT) Class : B (residential environment) Trade name : Happy Call (Transmitter) Model name : HC-108T Serial number : Identification Date of receipt : October 31, 2005 EUT condition : Pre-production, not damaged Antenna type : Pattern antenna Frequency Range : 433.92 MHz Number of channels : 1 Channel spacing : Not concerned Type of Modulation : Amplitude(pulsed modulated device) Power Source : DC 12V(alkaline battery) Power level, frequency range and channels characteristics are not user adjustable. 2-3 Tested frequency Frequency TX RX Low - - Mid 433.92 MHz - High - - Note: Measurements were performed top and bottom location in the frequency range of operation according to the section 15.31(m) 2-4 Ancillary Equipment Equipment Model No. Serial No. Manufacturer The EUT itself forms a system. No support equipment is requited for its normal operation. LTA#LR500110511A Copyright ○ c 2005, LTA Co., Ltd. Page 5 of 19 3. Test Report 3.1 Summary of tests Parameter Test procedure Status Transmitter Requirements Antenna Requirement FCC Part 15.203 C 2) Conducted Emission FCC Part 15.107 NA 3) Restricted Bands of Operation FCC Part 15.205 / 209 C Operation mode FCC Part 15.231 a) C 4) Radiated emissions FCC Part 15.231 b) C Bandwidth of the emission FCC Part 15.231 c) C Receiver Requirements Radiated Emission FCC Part 15.109 C Conducted Emission FCC Part 15.107 NA 2) Note 1: C=Complies NC=Not Complies NT=Not Tested NA=Not Applicable Note 2 : PCB Pattern antenna without connector Note 3 : Operated by battery. Note 4 : The fundamental frequency of transmitter emitted is due to a press on button of the EUT. The emitting time of fundamental frequency is less than 5seconds. Note 5 : The data in this test report are traceable to the national or international standards. A sample calculation: COR. F (correction factor)= Antenna factor + Cable loss- Amp.gain- Distance correction Emission Level= meter reading + COR.F LTA#LR500110511A Copyright ○ c 2005, LTA Co., Ltd. Page 6 of 19 3.2 Transmitter requirements 3.2.1 Conducted Emission Definition: The test assesses the ability of the EUT to limit its internal noise from being present on the AC mains Power In/Output ports. Equipment under test : HC-108T Test method : FCC Part 15.207 Measurement Frequency range : 150 kHz ~ 30MHz Measurement RBW : 10 kHz Test mode : - Result : Not applicable Measurement Data: - The EUT operates solely by the battery. - According to the rule of section 15.207(c), The EUT exempt to the power line conducted test. LIMIT: Frequency Rang…

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FCC ID: TRKHC108T Copyright Ⓒ 2005, LTA Co., Ltd.