CKLHWT-210PCS CDMA WLL Phone

i FCC RF EXPOSURE INFORMATION In August 1996 the Federal Communications Commission (FCC) of the United States with its action in Report and Order FCC 96-326 adopted an updated safety standard for human exposure to radio frequency (RF) electromagnetic energy emitted by FCC regulated transmitters. Those guidelines are consistent with the safety standard previously set by both U.S. and international standards bodies. The design of this phone complies with the FCC guidelines and these international standards. This device was tested for RF exposure compliance with the back of the phone kept 3cm (1.2 inches) from the body. To comply with FCC RF exposure requirements, a minimum separation distance of 3cm (1.2 inches) must be maintained between the user/bystander and the back of the phone, including the antenna. For more information about RF exposure, please visit the FCC website at www.fcc.gov WARNING! Read this information before using your WLL _-., __. ..^.l._- .I _ .I --- Contents -- 1. Before Using........................................................................... 2 1.1 .Checking the Package ..................................................... 2 1.2. Name and Function of Each Part ................................... 3 1.3. Cautions......................................................................... 3 2. Installation .............................................................................. 5 2.1. General Installation ........................................................ 5 2.2. Installation of Wall Bracket ........................................... 8 2.4. Setup for Data Service .................................................. 11 .. 2.4.1 Connection between PC and the WLL terminal.. . 11 3. How to Use ............................................................................ 11 3.1. To Make a Call ............................................................ 11 3.1.1. General ................................................................ 11, 3.1.2. Redial Function .................................................. 12 3.1.3. End of Digit Function .......................................... 12 3.2. To Answer a Call ......................................................... 12 3.2.1.. When the subscriber is in on-hook status .......... .12 3.2.2. When the subscriber is in off-hook status .12 .. ......... 3.3. To Adjust Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 12 3.4. To Adjust Signal Sending Stand-by Time after Dialing .13 3.5.To Adjust Hook Flash Time (Click Time) . . . . . . . . . . . . . . . . . . . .13 3.6. To Use Data Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.6.1 Data Service Receiving mode Setup Function . . . . 13 3.7 To use G3 Fax Service(Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . 13 <Appendix> 1. HWT-2 10 Features 2. Technical Specification 3) Put Al and A2 parts of the terminal on the screw head and press them down to hold. 4) It will be seen as followings after the installation. Screw required to fix the bracket to the wall. )Bt The backup battery is built-in within the WLL terminal so that it can operate without external power for some time. If the SMPS is removed, the backup battery starts to operate. It can be used about 15 hours in stand-by mode and two hours during the call. -9- _.” .._..- -...-” _. . .I.. .- .,.- I <Appendix> 1. Features General Local Tone Hook Flash Operation User Control 2. Tech&al Specifrca’tion Air Interface Battery Back-up - I Connectors for Various Service Support Physical Environinental Power Supply 4ccessories - Connection with normal telephone - Line interface capability : 2 wire - 3 LED (Power, Battery, Service) - Wall Mountable - Dial tone - Busy tone - Warning Tone - Last Number Rediai - End of Digit - Received Volume Control : Sstep - Dial Time Control : 4s - 8s - Hook Flash Time(Click Time) Control - Common air interface standard: J-STD-008 - Frequency: TX: 1850 - 1910MHx RX: 1930 - 199oMHx - TX Output Power: 316mW(25dBm) - RX Sensitivity: - 104dBm - Vocoder: 8K/13K QCELP 8K EVRC - Channel Bandwidth: CDMA 1.25Mhx - Spurious: TX Freq. Band: -61dBm below : RX Freq. Band: -81dBm below - MOD/DEMOD: OQPSK/QPSK - Frequency Accuracy: Fo+/-150Hz - Type: Ni-Cd - Capacity: [email protected] - Talk Time: 2 Hours - Standby.Time: 20 Hours i ,. ‘. * ’ . k - RJ-11: standard wire-line telephone : Analog G3 Fax (Optional) - Serial port : Maintenance Purpose : Data Service Purpose ( Internet, .PC Fax) - Dimension (DxWxH) : 226xl66x65mm - Weight (including Backup battery): 995g - Operating temperature: -1OOC -‘+50°C - Input Power :llOV-24OV(fzO)AC, 50/6OHx - Output Power: DC lZV@2A - Power Supply - 16 -

January 22, 2000 Federal Communications Commission Equipment Approval Services 7435 Oakland Mills Road Columbia, MD 21046 SUBJECT: HYUNDAI Electronics Industries Co., Ltd. FCC ID: CKLHWT-210 Part 24 Certification Gentlemen: Attached herewith, on behalf of HYUNDAI Electronics Industries Co., Ltd. is an application for Part 24 Certification of the following: FCC ID: CKLHWT-210 TRADE / MODEL(s): HYUNDAI HWT-210 Equipment Class: Licensed Base Station for Part 24 (PCB) Equipment Type: PCS CDMA WLL Terminal Tx Freq. Range: 1851.25 – 1908.75 MHz Rx Freq. Range: 1931.25 – 1988.75 MHz Max. RF Output Power: 0.316 W EIRP (25.0 dBm) Attached is the Letter of Authorization, Confidentiality Request, measurement report data and plots, RF Exposure measurement report & photographs, FCC ID label and location, test setup photographs, internal and external photographs, block diagrams (confidential), schematic diagrams (confidential), operational description (confidential), parts list & tune-up procedure (confidential), and the user's manual. Should you have any questions or comments concerning the above, please contact the undersigned. cc: Mr. Ja Beom Koo Quality Management Dept. System Quality Assurance Office

April 3, 2000 Federal Communications Commission Equipment Approval Services 7435 Oakland Mills Road Columbia, MD 21046 Attn: Joe Dichoso / Kwok Chan SUBJECT:Hyundai Electronics Industries Co., Ltd. FCC ID: CKLHWT-210 731 Confirmation Number: EA96702 Correspondence Reference No.: 12920 Request for Additional Info.: 03/21/2000 Dear Joe / Kwok: Submitted herewith, on behalf of Hyundai Electronics Industries Co. Ltd., is an amendment in response to your e-mail dated March 21, 2000 requesting additional information for the subject application. 1. Attached is the resubmitted user’s manual. 2. Attached is the revised RF exposure warning statement. 3. Attached are the revised SAR test plots showing the peak SAR locations with respect to the EUT and its antenna. 4. The applicant accepts the grant comment stated in your e-mail. We trust this information is sufficient to issue the grant asap. If you have any further questions regarding this matter, please do not hesitate to contact us. cc:Hyundai Electronics Industries Co., Ltd.

Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75)

© 2000 PCTEST Lab FCC ID SAMPLE LABEL & LOCATION LABELLING REQUIREMENTS PER §§ 2.925 The Label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time of purchase. (SEE NEXT PAGE)

Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: 24.200104032.CKLFCC Part 24 Test Date(s): January 17-21, 2000Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75)

© 2000 PCTEST Engineering Lab., Inc. PCTEST Engineering Laboratory, Inc. 6660-B 6660-B DobbinDobbin Road Road •• Columbia, MD 21045 Columbia, MD 21045 •• U.S.A. U.S.A. TEL (410) 290-6652 TEL (410) 290-6652 •• FAX (410) 290-6654 FAX (410) 290-6654 http://www.pctestlab.comhttp://www.pctestlab.com CERTIFICATE OF COMPLIANCE (SAR EVALUATION) HYUNDAI Electronics Industries Co., Ltd.Dates of Tests: January 17-21, 2000 San 136-1, Ami-Ri, Bubal-EubTest Report S/N: SAR.200104033.CKL Ichon-Si, Kyungki-Do, Korea 467-701Test Site: PCTEST Lab, Columbia, MD USA Attn: Mr. Ja Beom Koo Quality Management Dept. System Quality Assurance Office FCC ID CKLHWT-210 APPLICANT HYUNDAI Electronics Industries Co., Ltd. EUT Type:PCS CDMA WLL Terminal Tx Frequency:1851.25 – 1908.75 MHz Rx Frequency:1931.25 – 1988.75 MHz Max. RF Output Power:0.316 W EIRP (25.0 dBm) Trade Name/Model(s):HYUNDAI HWT-210 FCC Classification:Licensed Base Station for Part 24 (PCB) Application Type:Certification Serial Number:n/a (pre production) FCC Rule Part(s):2.1093; ET Docket 96.326 This wireless portable device has been shown to be capable of compliance for localized specific absorption rate (SAR) for uncontrolled environment/general population exposure limits specified in ANSI/IEEE Std. C95.1-1992 and had been tested in accordance with the measurement procedures specified in ANSI/IEEE Std. C95.3-1992. (See Test Report). I attest to the accuracy of data. All measurements reported herein were performed by me or were made under my supervision and are correct to the best of my knowledge and belief. I assume full responsibility for the completeness of these measurements and vouch for the qualifications of all persons taking them. NVLAP accreditation does not constitute any product endorsement by NVLAP or any agency of the United States Government. PCTEST certifies that no party to this application has been denied the FCC benefits pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a) 200104033.CKL FCC Part 24 Certification PCTEST Engineering Laboratory, Inc.i Table of Contents SCOPE 1 INTRODUCTION / SAR DEFINITION 2 SAR MEASUREMENT SET-UP 3 E-FIELD PROBE SYSTEM 4 E-FIELD PROBE CALIBRATION PROCESS 5 DATA EXTRAPOLATION 6 PHANTOM & EQUIVALENT TISSUE 7 SYSTEM SPECIFICATIONS 8 MEASUREMENT PROCESS 9 TEST POSITION OF THE EUT 10 ANSI/IEEE C95.1 RF EXPOSURE LIMITS 11 MEASUREMENT UNCERTAINTIES 12 TEST DATA SUMMARY 13 SAR TEST EQUIPMENT LIST 14 CONCLUSION 15 REFERENCES 16 Test Report S/N: SAR.200104033.CKLSAR Measurement Report Test Date(s): January 17-21, 2000FCC Part 24 Certification FCC ID: CKLHWT-210 (Tx 1851.25 – 1908.75 MHz) © 2000 PCTEST LabHYUNDAI PCS CDMA WLL Terminal1 SAR MEASUREMENT REPORT 1.1 Scope Environmental evaluation measurements of specific absorption rate 1 (SAR) distributions in simulated human tissues exposed to radiofrequency (RF) radiation from wireless portable devices for compliance with the rules and regulations of the U.S. Federal Communications Commission (FCC). 2 Company Name:HYUNDAI Electronics Industries Co., Ltd. Address:San 136-1, Ami-Ri, Bubal-Eub Ichon-Si, Kyungki-Do, KOREA 467-701 Attention:Mr. Ja Beom Koo Quality Management Dept. System Quality Assurance Office • EUT Type:PCS CDMA WLL Terminal • Trade Name:HYUNDAI • Model(s):HWT-210 • FCC IDENTIFIER:CKLHWT-210 • S/N:Pre-production • Tx Frequency:1851-25 – 1908.75 MHz • Rx Frequency:1931.25 – 1988.75 MHz • Application Type: Certification • FCC Classification:Licensed Base Station for Part 24 (PCB) • FCC Rule Part(s):§ 2.1093, Docket 96-326 • Modulation(s):CDMA • Max RF. Output Power:0.316 W EIRP (25.0 dBm) • Antenna Type:Helical (λ/2) • Antenna Dimensions:19.8 cm. (Length) • Date(s) of Tests:January 17-21, 2000 • Place of Tests:PCTEST Engineering Lab. Columbia, MD, U.S.A. • Report Serial No.:SAR.200104033.CKL 1 Specific Absorption Rate (SAR) is a measure of the rate of energy absorption due to exposure to an RF transmitting source (wireless portable device). 2 IEEE/ANSI Std. C95.1-1992 limits are used to determine compliance with FCC ET Docket 93-62. Fig. 1 SAR Test Setup Test Report S/N: SAR.200104033.CKLSAR Measurement Report Test Date(s): January 17-21, 2000FCC Part 24 Certification FCC ID: CKLHWT-210 (Tx 1851.25 – 1908.75 MHz) © 2000 PCTEST LabHYUNDAI PCS CDMA WLL Terminal2 2.1 INTRODUCTION The FCC has adopted the guidelines for evaluating the environmental effects of radiofrequency radiation in ET Docket 93-62 on Aug. 6, 1996 to protect the public and workers from the potential hazards of RF emissions due to FCC-regulated portable devices.[1] The safety limits used for the environmental evaluation measurements are based on the criteria published by the American National Standards Institute (ANSI) for localized specific absorption rate (SAR) in IEEE/ANSI C95.1-1992 Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. (c) 1992 by the Institute of Electrical and Electronics Engineers, Inc., New York, New York 10017.[2] The measurement procedure described in IEEE/ANSI C95.3-1992 Recommended Practice for the Measurement of Potentially Hazardous Electromagnetic Fields - RF and Microwave[3] is used for guidance in measuring SAR due to the RF radiation exposure from the Equipment Under Test (EUT). These criteria for SAR evaluation are similar to those recommended by the National Council on Radiation Protection and Measurements (NCRP) in Biological Effects and Exposure Criteria for Radiofrequency Electromagnetic Fields,” NCRP Report No. 86 (c) NCRP, 1986, Bethesda, MD 20814.[4] SAR is a measure of the rate of energy absorption due to exposure to an RF transmitting source. SAR values have been related to threshold levels for potential biological hazards. 2.2 SAR Definition Specific Absorption Rate (SAR) is defined as the time derivative (rate) of the incremental energy (dU) absorbed by (dissipated in) an incremental mass (dm) contained in a volume element (dV) of a given density (ρ…

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HYUNDAI FCC ID: CKLHWT-210 PCS Body SAR Generic Twin Phantom; Flat Section; Probe: ET3DV5 - SN1368 -- Probe Cal Date 2/99 Medium Parameters 1900 MHz Muscle: σ = 1.85 mho/m ε r = 54.2 ρ = 1.00 g/cm 3 Antenna Position -- Out; Crest Factor 1.0 SAR (1g): 1.40 mW/g, SAR (10g): 0.806 mW/g HYUNDAI WLL Terminal Model: HWT-210 PCS Ch. 0025 [1851.25MHz] Antenna extended parallel to flat phantom; spacing = 3.0cm distance between antenna & flat phantom Test Date -- 01-18-2000 SAR Tot [mW/g] 1.11E-1 8.89E-1 PCTEST ENGINEERING LAB., INC. HYUNDAI FCC ID: CKLHWT-210 PCS Body SAR Generic Twin Phantom; Flat Section; Probe: ET3DV5 - SN1368 -- Probe Cal Date 2/99 Medium Parameters 1900 MHz Muscle: σ = 1.85 mho/m ε r = 54.2 ρ = 1.00 g/cm 3 Antenna Position -- Out; Crest Factor 1.0 SAR (1g): 1.44 mW/g, SAR (10g): 0.815 mW/g HYUNDAI WLL Terminal Model: HWT-210 PCS Ch. 0600 [1880.00MHz] Antenna extended parallel to flat phantom; spacing = 3.0cm distance between antenna & flat phantom Test Date -- 01-18-2000 SAR Tot [mW/g] 1.16E-1 9.30E-1 PCTEST ENGINEERING LAB., INC. HYUNDAI FCC ID: CKLHWT-210 PCS Body SAR Generic Twin Phantom; Flat Section; Probe: ET3DV5 - SN1368 -- Probe Cal Date 2/99 Medium Parameters 1900 MHz Muscle: σ = 1.85 mho/m ε r = 54.2 ρ = 1.00 g/cm 3 Antenna Position -- Out; Crest Factor 1.0 SAR (1g): 1.41 mW/g, SAR (10g): 0.806 mW/g HYUNDAI WLL Terminal Model: HWT-210 PCS Ch. 1175 [1908.75MHz] Antenna extended parallel to flat phantom; spacing = 3.0cm distance between antenna & flat phantom Test Date -- 01-18-2000 SAR Tot [mW/g] 1.15E-1 9.20E-1 PCTEST ENGINEERING LAB., INC.

Test Report S/N: SAR.200104033.CKLSAR Measurement Report Test Date(s): January 17-21, 2000FCC Part 24 Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: SAR.200104033.CKLSAR Measurement Report Test Date(s): January 17-21, 2000FCC Part 24 Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75) Test Report S/N: SAR.200104033.CKLSAR Measurement Report Test Date(s): January 17-21, 2000FCC Part 24 Certification © 2000 PCTEST Lab HYUNDAI PCS CDMA WLL Terminal NVLAP Lab Code: 100431-0 FCC ID: CKLHWT-210 (Tx 1851.25 - 1908.75)

Validation Dipole D1900V2 SN:502, d = 10mmFrequency: 1900 MHz; Antenna Input Power: 250 [mW]Generic Twin Phantom; Flat Section; Grid Spacing: Dx = 15.0, Dy = 15.0, Dz = 10.0Probe: ET3DV5 - SN1302/DAE3; ConvF(4.55,4.55,4.55); Brain 1900 MHz: σ = 1.82 mho/m ε r = 40.4 ρ = 1.00 g/cm 3 Cubes (2): Peak: 21.2 mW/g ± 0.01 dB, SAR (1g): 10.7 mW/g ± 0.01 dB, SAR (10g): 5.26 mW/g ± 0.01 dB, (Worst-case extrapol ation) Penetration depth: 7.0 (6.8, 7.5) [mm] SAR Tot [mW/g] 1.00E+02.00E+03.00E+04.00E+05.00E+06.00E+07.00E+08.00E+09.00E+0 Validation SN502, 12/16/98Schmid & Partner Engineering AG, Zürich Switzerland 1900MHz Muscle Dipole Validation Generic Twin Phantom; Flat Section; Probe: ET3DV5 - SN1368 -- Probe Cal Date 2/99 Medium Parameters 1900 MHz Muscle: σ = 1.85 mho/m ε r = 54.2 ρ = 1.00 g/cm 3 ; Antenna Position -- Out; Crest Factor 1.0 SAR (1g): 10.9 mW/g, SAR (10g): 5.39 mW/g 1900MHz Muscle Dipole Validation (D1900V2 S/N: 502) Frequency: 1900 MHz; Antenna Input Power: 250 [mW] PCTEST Muscle Tissue Simulating Liquid SAR Tot [mW/g] 9.30E-1 2.81E+0 4.21E+0 6.43E+0 8.59E+0 PCTEST Engineering Laboratory, Inc.

Probe ET3DV5 SN:1368 Manufactured:December 1998 Calibrated:February 1999 Calibrated for System DASY3 Page 1 of 8 ET3DV5 SN:1368 Introduction The performance of all probes is measured before delivery. This includes an assessment of the characteristic parameters, receiving patterns as a function of frequency, frequency response and relative accuracy. Furthermore, each probe is tested in use according to a dosimetric assessment protocol. The sensitivity parameters (NormX, NormY, NormZ), the diode compresion parameter (DCP) and the conversion factor (ConvF) of the probe and some of the measurement diagrams are given in the following. The performance of the individual probes varies slightly due to tolerances arising from the manufacturing process. Since the lines are highly resistive (several MOhms), the offset and noise problem is greatly increased if signals in the low μV range are measured. Accurate measurement below 10 μW/g are possible if the following precautions are taken. 1) check the current grounding with the multimeter 1 , i.e., low noise levels, 2) compensate the current offset 1 , 3) use long integration time (approx. 10 seconds), 4) calibrate 1 before each measurement, 5) persons should avoid moving around the lab while measuring. Since the field distortion caused by the supporting material and the sheath is quite high in the θ direction, the receiving pattern is poor in air. However, the distortion in tissue equivalent material is much less because of its high dielectricity. In addition, the fields induced in the phantoms by dipole structures close to the body are dominently parallel to the surface. Thus, the error due to non-isotropy is much better than 1 dB for dosimetric assessments. The probes are calibrated in the TEM cell ifi 110 although the field distribution in the cell is not very uniform and the frequency response is not very flat. To ensure consistency, a strict protocol is followed. The conversion factor (ConF) between this calibration and the measurement in the tissue simulation solution is performed by comparison with temperature measurements and computer simulations. This conversion factor is only valid for the specified tissue simulating liquids at the specified frequencies. If measurements have to be performed in solutions with other electrical properties or at other frequencies, the conversion factor has to be assessed by the same procedure. As the probes have been constructed with printed resistive lines on ceramic substrates (thick film technique), the probe is very delicate with respect to mechanical shocks. Attention: Do not drop the probe or let the probe collide with any solid object. Never let the robot move without first activating the emergency stop feature (i.e., without first turning the data acquisition electronics on). 1 Feature of the DASY Software Tool. Fig 1: Due to the field distortion caused by the supporting material, the probe has two charac- teristic directions, referred to as angle ψ and θ. Page 2 of 8 Page 3 of 8 1 Feature of the DASY Software Tool. ET3DV5 SN:1368 DASY3 – Parameters of Probe: ET3DV5 SN:1368 Sensitivity in Free Space NormX 1.35 mV/(V/m) 2 NormY 1.29 mV/(V/m) 2 NormZ 1.46 mV/(V/m) 2 Diode Compression DCP X 78 mV DCP Y 78 mV DCP Z 78 mV Sensitivity in Tissue Simulating Liquid 450 MHz ConvF X 6.2 extrapolated ConvF Y 6.2 extrapolated ConvF Z 6.2 extrapolated 900 MHz ConvF X 5.8 ± 10% ConvF Y 5.8 ± 10% ConvF Z 5.8 ± 10% 1500 MHzConvF X 5.2 interpolated ConvF Y 5.2 interpolated ConvF Z 5.2 interpolated 1800 MHzConvF X 4.9 ± 10% ConvF Y 4.9 ± 10% ConvF Z 4.9 ± 10% 835 MHz ConvF X 5.7 ± 10% ConvF Y 5.7 ± 10% ConvF Z 5.7 ± 10% 900 MHz ConvF X 5.6 ± 10% ConvF Y 5.6 ± 10% ConvF Z 5.6 ± 10% 19 00 MHzConvF X 4.3 ± 10% ConvF Y 4.3 ± 10% ConvF Z 4.3 ± 10% Sensor Offset Probe Tip to Sensor Center 2.7 mm Surface to Probe Tip 1.7±±0.2mm ε r = 48 ± 5% σ = 0.50 ± 10%mho/m (brain tissue simulating liquid) ε r = 42.5 ± 5% σ = 0.86 ± 10%mho/m (brain tissue simulating liquid) ε r = 41 ± 5% σ = 1.32 ± 10%mho/m (brain tissue simulating liquid) ε r = 41 ± 5% σ = 1.62 ± 10%mho/m (brain tissue simulating liquid) ε r = 56.0 ± 5% σ = 0.97 ± 10%mho/m (muscle tissue simulating liquid) ε r = 54.2 ± 5% σ = 1.85 ± 10%mho/m (muscle tissue simulating liquid) ε r = 56.2 ± 5% σ = 0.95 ± 10%mho/m (muscle tissue simulating liquid) ET3DV5 SN:1368 Receiving Pattern (φ), θ = 0° f = 30 MHz, TEM cell ifi110 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 XYZTot f = 100 MHz, TEM cell ifi110 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 XYZTot f = 300 MHz, TEM cell ifi110 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 XYZTot f = 900 MHz, TEM cell ifi110 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 XYZTot Page 4 of 8 ET3DV5 SN:1368 Isotropy Error (φ), θ = 0° -1.00 -0.80 -0.60 -0.40 -0.20 0.00 0.20 0.40 0.60 0.80 1.00 060120180240300360 error[dB] 30 MHz 100 MHz 300 MHz 900 MHz 1800 MHz 2500 MHz f = 1800 MHz, WG R22 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 XYZTot f = 2500 MHz, WG R26 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 XYZTot Page 5 of 8 ET3DV5 SN:1368 Frequency Response of E-Field ( TEM-Cell:ifi110, Waveguide R22, R26 ) 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 050010001500200025003000 f [MHz] frequency response TEMR22R26 Page 6 of 8 ET3DV5 SN:1368 Dynamic Range f(SAR brain ) ( TEM-Cell:ifi110 ) 1.E+0 1.E+1 1.E+2 1.E+3 1.E+4 1.E+5 1.E+6 1.E+7 0.00010.0010.010.11.10.100. mW/cm 3 μ V not compensatedcompensated -3 -2 -1 0 1 0.00010.001…

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i FCC RF EXPOSURE INFORMATION In August 1996 the Federal Communications Commission (FCC) of the United States with its action in Report and Order FCC 96-326 adopted an updated safety standard for human exposure to radio frequency (RF) electromagnetic energy emitted by FCC regulated transmitters. Those guidelines are consistent with the safety standard previously set by both U.S. and international standards bodies. The design of this phone complies with the FCC guidelines and these international standards. To comply with FCC RF exposure requirements, a minimum separation distance of 3 cm (1.2 inches) must be maintained between the user/bystander and the back of the unit, including the antenna. For more information about RF exposure, please visit the FCC website at www.fcc.gov WARNING! Read this information before use

i FCC RF EXPOSURE INFORMATION In August 1996 the Federal Communications Commission (FCC) of the United States with its action in Report and Order FCC 96-326 adopted an updated safety standard for human exposure to radio frequency (RF) electromagnetic energy emitted by FCC regulated transmitters. Those guidelines are consistent with the safety standard previously set by both U.S. and international standards bodies. The design of this phone complies with the FCC guidelines and these international standards. This device was tested for RF exposure compliance with the back of the phone kept 3cm (1.2 inches) from the body. To comply with FCC RF exposure requirements, a minimum separation distance of 3cm (1.2 inches) must be maintained between the user/bystander and the back of the phone, including the antenna. For more information about RF exposure, please visit the FCC website at www.fcc.gov WARNING! Read this information before using your WLL

April 18, 2000 Federal Communications Commission Equipment Approval Services 7435 Oakland Mills Road Columbia, MD 21046 Attn: Joe Dichoso / Kwok Chan SUBJECT:Hyundai Electronics Industries Co., Ltd. FCC ID: CKLHWT-210 731 Confirmation Number: EA96702 Correspondence Reference No.: 13259 Request for Additional Info.: 04/04/2000 Dear Joe / Kwok: Submitted herewith, on behalf of Hyundai Electronics Industries Co. Ltd., is an amendment in response to your e-mail dated April 4, 2000 requesting additional information for the subject application. 1. Attached is the retest of the above WLL with the antenna in the normal up-right operating position with the corresponding SAR data and plots. 2. Attached is the test photographs of the retest of the above WLL with the correct antenna position. 3. The applicant accepts the grant comment stated in your e-mail. We trust this information is sufficient to issue the grant asap. If you have any further questions regarding this matter, please do not hesitate to contact us. cc:Hyundai Electronics Industries Co., Ltd.

Test Report S/N: SAR.200404164.CKLSAR Measurement Report Test Date(s): April 05, 2000FCC Part 24 Certification FCC ID: CKLHWT-210 (Tx 1851.25 – 1908.75 MHz) © 2000 PCTEST LabHYUNDAI PCS CDMA WLL Terminal1 SAR TEST DATA SUMMARY Ambient TEMPERATURE (°C) 22.0 Relative HUMIDITY (%) 57.0 Atmospheric PRESSURE (kPa) 100.0 Mixture Type:Muscle Dielectric Constant:54.2 Conductivity:1.85 Measurement Results FREQUENCYModulationPOWERSeparationAntennaSAR MHzCh.(dBm)Distance (cm)Position (W/kg) 1851.25025PCS CDMA25.03.0Fixed1.30 1880.00600PCS CDMA25.03.0Fixed1.39 1908.751175PCS CDMA25.03.0Fixed1.38 ANSI / IEEE C95.1 1992 - SAFETY LIMIT Spatial Peak Uncontrolled Exposure/General Population Body 1.6 W/kg (mW/g) averaged over 1 gram NOTES: 1. All modes of ope…

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