2AWA4CMA2-030Mobile Skin/Hair Analyzer

모델명: CMA2-030-A KRN 1 Device Specifications Moisture Sensor Metal Attachment Guide Serial Number USBPort Lens Power Switch Light Indicator 5V, 2.0A max 30x 250mAh, 3.7V 46 x 106 x 31 (mm) 75g 0~40°C moisture, hair sebum, hair density, dead skin cells, hair impurities 2 Power On 3 Install the app Product Manual 1. Search for 'DermoPicoHair' in the AppStoreor PlayStoreand install it. Connecting a Device 5 Starting Diagnostics DermoPicoHair and Scalp Device Onthemainscreenofthediagnosticprogram,'Let's begin!'button,thenselect'Customer'and'Quick diagnosis'. •Customer:Register customer information to manage diagnosis history •Quick diagnosis: Diagnose right away without customer registration 3.Selectthecustomeryouwantto performskinanalysisonfromthelist, pressit,andpressthe'Analyze' buttonatthebottomtostart measuringthehair. Customer Registration 1.Click the 'Customer-Add customer' button and enter the customer information you want to register. 2.Itemswithred* intheinformation fieldarerequired. Aftercompleting theentry,checkandagreetothe 'PRIVACYPOLICY'and'DATA TRANSFER'atthebottom,andthen clickthe'Save'button. Calibration 4 3.Removetheadhesivefilm fromtheincludedmetalguide andattachit to thelensof your smartphone. 1.Charge the device using the USB cable. Charging takes up to 2 hours. 2.Pressthepowerbuttononthe sideofthedevicefor3 seconds untiltheLEDof thelensareawill flashto poweron. ※ The LED is strong, so don't look directly at the lens 4.Securethediagnosticdevice byaligningit withthemagnet of theattachmentguide. 3. Launch the app, tap 'Sign Up' at the bottom of the start page and create an account. 4. Enter the email address and password you want to use, agree to the required terms and conditions (*), and proceed with the registration. The registered email will send user authentication to use the diagnostic and important distributions, so register an account to use it. 5.Onceyouremailinformationis verified,you'llreceivea verification email. Checktheemailandclick the'Authorization'button. 6. Log in with the registered email and password after completing the approval. 2.Wheninstallingtheapp,it allowsbothpermission requestssuchas 'accessto locationinformation'and'use of storagespace'. If thepermissionis notallowed,theapp willnotfunctionproperly. 3.If youlaunchtheapplication andallowtheapptoaccess Bluetoothautomatically,it will automaticallystartconnecting withthediagnostic. 1.Whenthediagnosticis turnedon,thestatuslighton thebottomofthediagnostic blinksbluetoindicatethatthe connectionis ready. 2. Enable the Bluetooth connection of the smartphone. 4.Whenthedeviceis connectedandthecalibration notificationpageappears, press'Proceed'. 1. Focus the camera on the red dot on the included calibration paper and shoot. 2.Press'Okay!‘if theshootgoesright,andif not,check theconnectionbetweenthediagnosticdeviceand smartphoneagainandpress'Retry'toretakethe picture. Power Supply Magnification Battery Size (WxHxD) Weight Operating Temperature Measurement BLE2400MHz~2483.5MHz [email protected] Skype IDHello ChowisSkype How to measure hair density, hair sebum, and dead skin cells 1.Pressthecamerabuttonwiththelensonthe areayouwanttoanalyze,orquicklytouchthe shootingscreentwiceto shoot. 7 Analysis Method ※Hair and scalp diagnosis is automatic step by step. 2.PresstheRETAKEbuttonif youwanttoreshoot,orthe NEXTbuttonif youwantto moveonto thenextitem. How to measure oiliness 1. Press the enclosed oil powder against the scalp for 3 seconds. 1.Onceallitemshavebeen measured,thequestionnaire willbecheckedtoderive moreaccurateresults. 2. Scroll up and down the app screen to see diagnostics, recommendations, and more. 6 Hair and scalp diagnostic methods How to measure moisture 1.Lightlytouchthedevice's moisturesensorto yourscalp. 8 Product Recommendation 2.Photographtheoilypaperin contactwiththescalpagainst thelens. ※Makesuretheentirescreenis filledwithoil. Skip diagnostic items Ifyoupress'Skip'atthe bottomoftheshootingpage foreachitem,theitemson thatpagewilladvancetothe nextitemwithoutshooting. 2. Tap the moisture icon at the bottom of the image to finish shooting. 1. On the main screen, go to 'Settings-Product recommendation'. 2. Take a photo of the recommended product according to the diagnosis item, or register the photo saved in advance in the photo album. 3. Copy and insert the URL of the online store into the item at the bottom of the image, and click 'Save' at the bottom of the page. 4. Press the green '+' button at the bottom of the product registration box to register additional products. You can add up to three featured products per item. FCC Information to User This equipment has been tested and found to comply with the limits for a Class B digital 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, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on , the user is encouraged to try to correct the interference by one of the following measures: · Reorient or relocate the receiving antenna. · Increase the separation between the equipment and receiver. · Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. · Consult the dealer or an experienced radio /TV technician for help. Caution THE GRANTEE IS NOT RESPONSIBLE FOR ANY CHANGES OR MODIFICATIONS NOT EXPRESSLY APPROVED BY THE PARTY RESPONSIBLE FOR COMPLIANCE. SUCH MODIFICATIONS COULD VOID THE USER ’S AUTHORITY TO OPERATE THE EQUIPMENT. IMPORTANT NOTE : FCC RF Radiation Exposure Statement This equipment complies with FCC RF r…

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  April 12, 2023

CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com EUT External Photographs CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com

* CMA2 Label data Label size : 18.0 x 44.0 mm * Example Bar code Area 16.6 x 8.4 mm QR code Area 7.0 x 7.0 mm 2023 / 02 / 10 FCC ID : CMA2-030 FCC ID : 2AWA4CMA2-030 FCC ID :

CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com EUT Internal Photographs [Antenna] CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com

CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Page 1 of 3 RF EXPOSURE EVALUATION Applicant CHOWIS Co., Ltd. Applicant Address A-1301-2, 184, Jungbu-daero, Giheung-gu, Yongin-si, Gyeonggi- do, Republic of Korea FCC ID 2AWA4CMA2-030 Product Description Mobile Skin/Hair Analyzer Basic model CMA2-030 Variant Model name CMA-030, demopico, CMA2-010, CMA-010 Operating Frequency 2 402 MHz - 2 480 MHz Antenna type Chip Antenna Antenna gain 3.5 dBi Power Source DC 3.7 V (Battery) Number of channels 40 CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Page 2 of 3 ** RF Exposure Evaluation** Exemption Limits for Routine Evaluation SAR Test Exclusion Thresholds for 100 MHz - 6 GHz and ≤ 50 mm Approximate SAR Test Exclusion Power Thresholds at Selected Frequencies and Test Separation Distances are illustrated in the following Table, The equation and threshold in Note 1 must be applied to determine SAR test exclusion. Note 1 : The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by : CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Page 3 of 3 [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)]* [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where - f(GHz) is the RF channel transmit frequency in GHz - Power and distance are rounded to the nearest mW and mm before calculation - The result is rounded to one decimal place for comparison - 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 4.1f) is applied to determine SAR test exclusion. Output Power : Mode Frequency (MHz) Measured conducted power (dBm) Power tolerance [dB] Maximum conducted power (dBm) Maximum conducted power (mW) SAR Test Exclusion Threshold (mW) Bluetooth LE 1 Mbps 2 480 -5.97 + 1.0 -4.97 0.318 10 Per FCC KDB 447498 D01v06, the SAR exclusion threshold for distances ≤50mm is defined by the following equation : [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)]* [√f(GHz)] ≤ 3.0 Base on the maximum conducted power of the antenna to use separation distance, SAR was not required; Bluetooth LE 1 Mbps : [(0.318 / 5) * √2.480] = 0.100 (≤ 3.0) Result : As a result of the calculation above, the SAR test is exempt

Data sheet of Multilayer Chip Antenna Part No. : ALA621C4 January 23, 2008 AMOTECH Co., LTD. 5B 1L, Namdong Industrial complex, 617 Namchondong, Namdonggu, Incheon, Korea Notes The contents of this data sheet are subject to change without notice. Please confirm the specifications and delivery conditions when placing your order. AMOTECH - 2 - MULTILAYER CHIP ANTENNA Januay 2008 (Rev5.0) 1. SPECIFICATIONS 1.1 Electrical Specifications No ITEM SPEC. Remark 1 Frequency Range 2.4 ~2.485 GHz for ISM 2 VSWR 2.5 : 1 max. 3 Gain Avg. -3 dBi min. 4 Polarization Linear 5 Azimuth Beam Pattern Omni-directional 6 Impedance Nominal 50 Ω ※ These values are measured on the matched reference test board. 1.2 Mechanical Specifications No ITEM Spec. Remark 1 Internal Electrode Ag Pb-free 2 External Electrode Ag/Ni/Sn Pb-free 3 Dimensions (L x W x H) 6 x 2 x 1.2 mm 4 Unit Weight 46 ± 4 mg 5 Operating Temperature -35 ~ +85 °C 1.3 Appearance and Dimensions No Name Function Material 1 External Electrode Soldering, Input Port Ag/Ni/Sn 2 Direction index Indication of Input Port Ceramic 3 Model & Serial No. index - Ceramic 4 Ceramic Body - Ceramic 5 External Electrode Soldering Ag/Ni/Sn AMOTECH - 3 - MULTILAYER CHIP ANTENNA Januay 2008 (Rev5.0) 2. MEASUREMENT 2.1 Reference Test Board for Measurement 2.2 Diagram for VSWR measurement Network Analyzer Styrofoam AUT AMOTECH - 4 - MULTILAYER CHIP ANTENNA Januay 2008 (Rev5.0) 2.3 Diagram for radiation gain and pattern measurements iMac A. Anechoic chamber spec. Parameters Condition Unit Chamber size 8x4x4 m Temperature 21.5 °C Humidity 55 % RH Measurement S21 (8753ES) System software Midas (Orbit/FR) B. Measurement coordinates Measurement Plane Symbol Rotating direction Azimuth Azimuth x→y Elevation1 E1 z→x Elevation2 E2 z →-y x y z -y Azimuth E1 E2 AMOTECH - 5 - MULTILAYER CHIP ANTENNA Januay 2008 (Rev5.0) 3. MEASUREMENT RESULT 3.1 VSWR & Smithchart A. Matching Value (recommend for reference testboard only) ③① ② ① N/C ② 2.7 nH ③ 2.2 nH B. Measured data AMOTECH - 6 - MULTILAYER CHIP ANTENNA Januay 2008 (Rev5.0) 3.2 Radiation Gain and Pattern [Measured data table] Peak Gain (dBi) Average Gain (dBi) Remark Azimuth 2.6 0.7 @2.45 GHz Elevation1 3.5 -0.6 @2.45 GHz Elevation2 2.0 -1.7 @2.45 GHz [ ALA621C4 radiation pattern : [email protected] ] AMOTECH - 7 - MULTILAYER CHIP ANTENNA Januay 2008 (Rev5.0) [ ALA621C4 radiation pattern : [email protected] ] [ ALA621C4 Radiation Pattern : [email protected] ] AMOTECH - 8 - MULTILAYER CHIP ANTENNA Januay 2008 (Rev5.0) 4. SUGGESTED LAYOUT & MATCHING CIRCUIT 4.1 Layout (recommend only) 4.2 Matching Circuit (recommend only) L – type T - type π- type For usable matching, the ground stability must be guaranteed with sufficient via holes and the case effects should be considered. Finally, using one or more lumped chip elements and a tuning stub are recommended for better results. AMOTECH - 9 - MULTILAYER CHIP ANTENNA Januay 2008 (Rev5.0) 5. RELIABILITY TEST No ITEM TEST CONDITION TEST REQUIREMENTS 1 Adhesive Strength of Termination 1. Applied force on SMD chip till detached point from PCB. F SMD PAD PCB 1. No mechanical damage by forces applied on the right. 2. Strength (F) > 5 kgf 2 Tensile Strength 1. Wire : 0.6~0.8 tined Cu wire F Clamp Wire 1. No mechanical damage by forces applied on the right. 2. Strength (F) > 3 kgf 3 Thermal Shock (Temperature Cycle) 1. 1 cycle / step 1 : -40 ± 3°C, 30 min step 2 : +125 ± 3°C, 30 min 2. Number of cycle : 30 3. Measure after left for 48 hrs min. at room temperature 1. No visual damage 2. Within electric spec (VSWR) 4 High Temperature Resistance 1. Temperature : +125 ± 5°C 2. Time : 1000 ± 24 hrs 3. Measure f C after left for 24 hrs min. at room temperature 1. No visual damage 2. Within electric spec (VSWR) 5 Low Temperature Resistance 1. Temperature : -40 ± 5°C 2. Time : 1000 ± 24 hrs 3. Measure f C after left for 48 hrs min. at room temperature 1. No visual damage 2. Within electric spec (VSWR) 6 Humidity (Steady Condition) 1. Humidity : 85 % RH 1. Temperature : +85 ± 3°C 2. Time : 1000 ± 24 hrs 3. Measure f C after left for 48 hrs min. at room temperature 1. No visual damage 2. Within electric spec (VSWR) AMOTECH - 10 - MULTILAYER CHIP ANTENNA Januay 2008 (Rev5.0) 6. SOLDERING RECOMMENDATIOS 6.1 Reflow Soldering Profile [ Soldering Reflow Profile for Pb-free ] 6.2 Soldering Land Pattern 7.0 1.1 2.2 4.8 (unit : mm) AMOTECH - 11 - MULTILAYER CHIP ANTENNA Januay 2008 (Rev5.0) 7. PACKING 7.1 Tape Dimension (unit : mm) A0 2.30±0.10 P0 4.00±0.10 E 1.75±0.10 B0 6.40±0.10 P1 4.00±0.10 F 7.50±0.10 K0 1.35±0.10 P2 2.00±0.10 W 16.00±0.30 D0 1.55±0.05 t 0.30±0.05 7.2 Taping Style 7.3 Packing Unit Quantity Size (mm 3 ) Reel 2,000 ea Φ7” * 16mm Small Box 6,000 ea (3 reel*2,000ea/reel) 185 * 185 * 68 (mm 3 ) Middle Box 30,000 ea (5 small box*6,000ea/small box) 365 * 200 * 200 (mm 3 ) Large Box 84,000 ea (14 small box*6,000ea/small box) 390 * 390 * 280 (mm 3 ) AMOTECH - 12 - MULTILAYER CHIP ANTENNA Januay 2008 (Rev5.0) 7.4 Description of Packing Label AMOTECH CO., LTD. Name of Company 617 5B 1LT, Namchon-Dong, Namdong-Gu, Inchon, Korea Address of Manufacture Multilayer Chip Antenna Name of Component Type : ALA621C4 Lot No : MA06A405011 Quantity : 2,000 pcs Quantity : 2,000 pcs Date : 2005/03/10 Date : 2006 /01 /24 8. STORAGE CONDITION A. Storage environment must be at an ambient temperature of 15~35°C and an ambient humidity of 45~75 % RH. (MSL Level 2) B. Chip antenna can experience degradation of termination solderability when subjected to high temperature of humidity, or if exposed to sulfur or chlorine gases. C. Avoid mechanical shock (ex. falling) to the chip antenna to prevent mechanical cracking inside of the ceramic dielectric due to its own weight. ALA : Amotech LTCC Antenna 621 : Chip Size C4 : Version & Frequency index MA : Mass-product Antenna 06 : Chip Size A4 : Version & Frequency index 0605 : Year / Month 11 : Order of production

TEST REPORT CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin- gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2023-00740 Page (1) / (34) Pages [QF-QP15-07] Ver.01 R101 1. Applicant ◦ Name : CHOWIS Co., Ltd. ◦ Address : A-1301-2, 184, Jungbu-daero, Giheung-gu, Yongin-si, Gyeonggi-do, Republic of Korea ◦ Date of Receipt : 2023-01-18 2. Manufacturer ◦ Name : CHOWIS Co., Ltd. ◦ Address : A-1301-2, 184, Jungbu-daero, Giheung-gu, Yongin-si, Gyeonggi-do, Republic of Korea 3. Use of Report : For FCC Certification 4. Test Sample / Model: Mobile Skin/Hair Analyzer / CMA2-030 5. Date of Test : 2023-03-28 to 2023-04-07 6. Test Standard(method) used : FCC 47 CFR part 15 subpart C 15.247 ANSI C63.10-2013 7. Testing Environment: refer to 7 page 8. Test Results : Compliance 9. Location of Test : Permanent Testing Lab On Site Testing (Address : (Unhak-dong) 5, Dongbu-ro 221beon-gil, Cheoin-gu, Yongin-si, Gyeonggi-do, 17142 Korea ) The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This report cannot be reproduced or copied without the written consent of CTK Approval Tested by Min-wook Jung: (Signature) Technical Manager Young-taek Lee: (Signature) Remark. This report is not related to KOLAS accreditation and relevant regulation. 2023-04-10 CTK Co., Ltd. CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2023-00740 Page (2) / (34) Pages [QF-QP15-07] Ver.01 R101 REPORT REVISION HISTORY Date Revision Page No 2023-04-10 Issued (CTK-2023-00740) all This report shall not be reproduced except in full, without the written approval of CTK Co., Ltd. This document may be altered or revised by CTK Co., Ltd. personnel only, and shall be noted in the revision section of the document. Any alteration of this document not carried out by CTK Co., Ltd. will constitute fraud and shall nullify the document. CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2023-00740 Page (3) / (34) Pages [QF-QP15-07] Ver.01 R101 CONTENTS 1. General Product Description ....................................................................................... 4 1.1 Client Information ............................................................................................. 4 1.2 Product Information ........................................................................................... 4 1.3 Peripheral Devices ............................................................................................. 4 1.4 Model Differences .............................................................................................. 5 2. Accreditations .......................................................................................................... 6 2.1 Laboratory Accreditations and Listings .................................................................. 6 2.2 Calibration Details of Equipment Used for Measurement .......................................... 6 3. Test Specifications .................................................................................................... 7 3.1 Standards ........................................................................................................ 7 3.2 Testing Environment .......................................................................................... 7 3.3 Mode of operation during the test ........................................................................ 8 3.4 Maximum Measurement Uncertainty .................................................................... 8 4. Technical Characteristic Test ....................................................................................... 9 4.1 6 dB Bandwidth and 99 % Bandwidth ................................................................... 9 4.2 Maximum peak Conducted Output Power ............................................................ 12 4.3 Power Spectral Density .................................................................................... 14 4.4 Band Edge & Conducted Spurious emission ......................................................... 16 4.5 Radiated Emission ........................................................................................... 20 4.6 AC Power Line Conducted Emissions................................................................... 31 5. APPENDIX A – Test Equipment Used For Tests ............................................................. 34 CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2023-00740 Page (4) / (34) Pages [QF-QP15-07] Ver.01 R101 1. General Product Description 1.1 Client Information Company CHOWIS Co., Ltd. Contact Point A-1301-2, 184, Jungbu-daero, Giheung-gu, Yongin-si, Gyeonggi-do, Republic of Korea Contact Person Name : CHOI WON SUK E-mail : [email protected] Tel : +82-10-2560-6572 Fax : +82-31-272-7950 1.2 Product Information FCC ID 2AWA4CMA2-030 Product Description Mobile Skin/Hair Analyzer Basic model CMA2-030 Variant Model name CMA-030, demopico, CMA2-010, CMA-010 Operating Frequency 2 402 MHz - 2 480 MHz RF Output Power -5.97 dBm (0.253 mW) Antenna type Chip Antenna Antenna gain 3.5 dBi Number of channels 40 Channel Spacing 2 MHz Type of Modulation GFSK (Bluetooth LE 1 Mbps) Power Source DC 3.7 V (Battery) Test Software nRF DTM Ver 0.9.0 RF Power setting in Test SW TX Power setting “-4 dBm” 1.3 Peripheral Devices Device Manufacturer Model No. Serial No. Note Computer HP HP ProBook 455 G7 5CD0234DX4 AC/DC Adapter HP TPN-CA16 L25298-002 CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 Report No.: CTK-2023-00740 Page (5) / (34) Pages [QF-QP15-07] Ver.01 R101 1.4 Model Differences Model Difference Basic CMA2-030 - Variant CMA-030 Same a…

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CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Test Setup Photos and Configuration Radiated Electric Field Emissions 9 kHz to 30 MHz 30 MHz to 1 GHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com 1GHz to 18 GHz 18 GHz to 26.5 GHz CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com AC Power Line Conducted Emissions