BEJT325GCellular/PCS WCDMA/GSM/EDGE Phone with WLAN and Bluetooth

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LG Electronics USA 1000 Sylvan Avenue Englewood Cliffs, NJ 07632 Date: November 19, 2010 Federa l Communications Commission Author ization and Evaluation Division 7435 Oakla nd Mills Road, Columbia , MD 21046 RE: Request of C onfidentiality for FCC ID: BEJ T325G Eq uipment Class: P CE: PCS Licensed Transmitter held to ear To Whom It May Concern: Pursua nt to Sections 0.457 and 0.459 of the Commission’s Rules (CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, LG Electronics USA hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short-Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04-1705. This provision will give LG Electronics USA temporary confidentiality of commercially sensitive information prior to product release. The requested Permanent and Temporary Confidential exhibits are listed as follows: PERMANENT AND SHORT-TERM CONFIDENTIAL LIST Exhibit Description 1 Block Diagram 2 Operational Descriptions 3 Parts Lists and Tune-Up Procedure PERMANENT 4 Schematics 5 External Photos 6 Internal Photos 7 Test-Setup Photos SHORT-TERM 8 User’s Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be made public before the date of the Grant for this application. Sincerely, Jae Cheon(J.C.) Lee General Manager LG Electronics USA LG Electronics USA 1000 Sylvan Avenue Englewood Cliffs, NJ 07632

From: Lee, Grant (Gunpo) Sent: Tuesday, December 07, 2010 5:05 AM To: 'PCTEST - Gregory Czumak ' Subject:RE : Follow-up Questions Regarding FCC ID: BEJT325G Dear Gregory Please find attached document and see our comments in red after your inquiry. Best regards 이수동 / Grant Lee Wireless Div. RF Lab Engineer SGS-Testing Korea From: PCTEST TCB/CB Sent: Tuesday, December 07, 2010 7:29 AM To: Jo, Jenny (Gunpo); Loh, Grace (Gunpo) Subject: RE: Follow-up Questions Regarding FCC ID: BEJT325G Dear Ms. Jenny, Thank you for your email. Please see below follow-up questions: 1.Regarding your response to question #1, the plots provided on pp. 40-41 demonstrate compliance at the bandedge, using a RBW that is greater than 1% of the emissions bw. However, beginning at points 1 MHz away from the bandedges the emission must meet the limit when measured with RBW = 100 kHz (cellular band) and RBW = 1 MHz (PCS band). Please provide plots that show this compliance beginning 1 MHz away from the bandedges.  Test report’s revised. (Page 42-43) 2.Please send us the unlocked document for Tune-Up Procedure.  Attached. The items indicated above must be submitted before processing can continue on the above referenced application. Sincerely, Gregory Czumak Senior Certification Engineer Quality Manager From: Jo, Jenny (Gunpo) Sent: Monday, December 06, 2010 4:48 AM To: PCTEST TCB/CB; Loh, Grace (Gunpo) Subject: RE: Follow-up Questions Regarding FCC ID: BEJT325G Dear Gregory Please find attached document and see our comment in red after your inquiry. Thank you. Many thanks, Jenny Jo(Ms)/조찬화 GSM Lab/Wireless Division Assistant Section Chief/ 대리  From: PCTEST TCB/CB Sent: Monday, December 06, 2010 11:34 AM To: Jo, Jenny (Gunpo); Loh, Grace (Gunpo) Subject: Follow-up Questions Regarding FCC ID: BEJT325G Dear Ms. Jenny, Thank you for your email. Please see below follow-up questions: 1. Regarding the PCE EMC report, please provide WCDMA bandedge plots (both cellular and PCS bands) at points removed from the bandedges by 1 MHz and with RBW = 100 kHz in the cellular band and RBW = 1 MHz in the PCS band, as required by Sections 22.917(b) and 24.238(b).  Test report’s revised. (Page 40-41)  Band edge for WCDMA is re-measured RBW = 50 kHz which is more than 1 % of 26 dB bandwidth. 2. The revised DTS and DSS (WLAN and BT) Block Diagrams still lack sufficient detail. Please submit Block Diagrams for these transmitters that provide more detail regarding their rf sections, including listing all clock/oscillator values.  LBEH19UNBC is based on Broadcom BCM4325 chip solution. Therefore I attached additional information BCM4325 internal Block diagram and clock values. 3. Regarding your response to question #6, the information on p.4 of the BT test report addresses the requirements of Section 15.247(a)(1). Additional attestations of compliance with Sections 15.247(g) and (h) are also required. Please submit them.  Test report’s revised. (page 4) 4. FYI: the PCE EMC report contains several plots where the marker is not set at the highest out-of-band emission, but rather exactly at the bandedge (e.g., the lower plot on p. 13). In the future when making these measurements, please be sure to set the marker on the highest emission outside of the band, even if it is not exactly at the bandedge.  Will make sure that. The items indicated above must be submitted before processing can continue on the above referenced application. Sincerely, Gregory Czumak Senior Certification Engineer Quality Manager From: Jo, Jenny (Gunpo) Sent: Friday, December 03, 2010 2:16 AM To: PCTEST TCB/CB; Loh, Grace (Gunpo) Subject: RE: Questions Regarding FCC ID: BEJT325G Dear Gregory Please find attached document and see the comment in blue. The client wants to get the certificate within this week. I hate to urge you but please help to complete the certification as soon as possible. Please let me know if you have any inquiry. Many thanks, Jenny Jo(Ms)/조찬화 GSM Lab/Wireless Division Assistant Section Chief/ 대리 From: PCTEST TCB/CB Sent: Saturday, November 27, 2010 7:41 AM To: Loh, Grace (Gunpo) Subject: Questions Regarding FCC ID: BEJT325G To: Ms. Grace Loh / SGS Testing Korea Co., Ltd. From: Mr. Gregory Czumak / PCTEST TCB RE: FCC ID: BEJT325G Applicant: LG Electronics Inc. Correspondence Reference Number: BEJ101375 Confirmation Number: Y1011241375-78 Date of Original Email: November 26, 2010 Subject: Request for additional information In regards to your recent TCB application referenced above, we kindly request that you provide the following additional information. 1. Please submit the PCE EMC test report for part 22/24 operation (2 copies of the SAR report were submitted).  Test Report’ attached. 2. The DTS and DSS (WLAN and BT) Operational Descriptions lack sufficient detail. Please submit Operational Descriptions for these transmitters that provide more detail regarding the generation of RF, modulation, power control, frequency control, filtering of unwanted emissions, etc.  Revised document’s attached. 3. The DTS and DSS (WLAN and BT) Block Diagrams lack sufficient detail. Please submit Block Diagrams for these transmitters that provide more detail regarding their rf sections, listing all clock/oscillator values.  Revised document’s attached. 4. The External Photos do not show all 6 sides of the EUT. Please submit the missing external photos.  Attached. The Internal Photos apparently show the pcb with an RF shield can still in place. Please submit a photo of the pcb with all shielding removed.  It is for Micro SD slot, not for RF shield cap. 5. Please confirm that the EUT is not intended for use as a wireless router (“mobile hotspot”).  Confirm. It’s not intended for use as wireless router. The bandedge compliance plots on pp. 14-19 of the DTS EMC report do not provide measurements at the lower bandedge (2400 MHz), instead the marker is set at 2390 MHz (which is the upper edge of a restricted band). Please provide new data showing compliance with the out…

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Model : LG-T325g External photos of EUT Model : LG-T325g Front view of EUT Rear view of EUT Model : LG-T325g Side view of EUT Model : LG-T325g Top view of EUT Bottom view of EUT

Model : LG-T325g Internal photos of EUT Model : LG-T325g Top view of main board Bottom view of main board Model : LG-T325g Top view of LCD Panel Bottom view of LCD Panel Model : LG-T325g GSM & WCDMA ANT BT & WLAN ANT

Report File No. : F690501/RF-SAR001905-A1 Date of Issue : 2010-12-02 Page : 2 / 147 Contents 1. General Information 1.1 Testing Laboratory........................................................................................... 3 1.2 Details of Applicant.......................................................................................... 3 1.3 Version of Report............................................................................................. 3 1.4 Description of EUT(s)....................................................................................... 3 1.5 Test Environment............................................................................................. 4 1.6 Operation description........................................................................................ 4 1.7 Evaluation procedures....................................................................................... 5 1.8 The SAR Measurement System............................................................................ 6 1.9 System Components.......................................................................................... 8 1.10 SAR System Verification.................................................................................... 9 1.11 Tissue Simulant Fluid for the Frequency Band.......................................................... 11 1.12 Test Standards and Limits.................................................................................. 12 2. Instruments List.................................................................................... 14 3. Summary of Results................................................................................ 15 APPENDIX A. DASY4 SAR Report B. Uncertainty Analysis C. Calibration certificate Report File No. : F690501/RF-SAR001905-A1 Date of Issue : 2010-12-02 Page : 3 / 147 1. General Information 1.1 Testing Laboratory SGS Testing Korea Co., Ltd. Wireless Div. 2FL, 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea 435-040 Telephone : +82 +31 428 5700 FAX : +82 +31 427 2371 Homepage : www.kr.sgs.com/ee 1.2 Details of Manufacturer Manufacturer : LG Electronics Inc. Address : 60-39, Gasan-dong, Gumchon-gu, Seoul, 153-023, Korea Contact Person : Hyeon Kyun Kim Phone No. : 82-2-2033-1113 1.3 Version of Report Version Number Date Revision 00 2010-11-22 Initial issue 01 2010-12-02 Revision 01 1.4 Description of EUT(s) EUT Type : Cellular/PCS GSM/EDGE & WCDMA with Bluetooth & WLAN Model : LG-T325g (Additional model name : T325g) Serial Number : 001KPTM845121 Mode of Operation : GSM850, PCS1900, WCDMA V, WCDMA II, WLAN, Bluetooth Duty Cycle : 8(GSM), 8(GPRS 1Tx Slot), 1(WCDMA), 1(WLAN) Body worn Accessory : None Tx Frequency Range : 824.2 MHz ~ 848.8 MHz (GSM850) 1850.2 MHz ~ 1909.8 MHz (PCS1900) 826.4 MHz ~ 846.6 MHz (WCDMA V) 1852.4 MHz ~ 1907.6 MHz (WCDMA II) 2412 MHz ~ 2462 MHz (WLAN) 2402 MHz ~ 2480 MHz (Bluetooth) Conducted Max Power : 32.67 dBm(GSM850), 29.31 dBm(PCS1900), 22.98 dBm(WCDMA V), 23.34 dBm(WCDMA II) 14.57 dBm(WLAN), -0.64 dBm(Bluetooth) Battery Type : 3.7 V d.c. (Lithum-ion Battery) Report File No. : F690501/RF-SAR001905-A1 Date of Issue : 2010-12-02 Page : 4 / 147 1.5 Test Environment Ambient temperature : (22 2) ° C Tissue Simulating Liquid : (22 2) ° C Relative Humidity : (55 % R.H. 1.6 Operation Configuration The device in GSM and WCDMA mode was controlled by using a Communication tester (CMU 200). Communication between the device and the tester was established by air link. And the client provided a special driver and test program which can control the frequency and power of the WLAN module. Measurements were performed at the lowest, middle and highest channels of the operating band. The EUT was set to maximum power level during all tests and at the beginning of each test the battery was fully charged. The DASY4 system measures power drift during SAR testing by comparing e-field in the same location at the beginning and at the end of measurement. Based on the RF Power and antenna separation distance, stand-alone BT SAR and simultaneous SAR evaluation are not required. Report File No. : F690501/RF-SAR001905-A1 Date of Issue : 2010-12-02 Page : 5 / 147 1.7 EVALUATION PROCEDURES - Power Reference Measurement Procedures The Power Reference Measurement and Power Drift Measurements are for monitoring the power drift of the device under test in the batch process. The Minimum distance of probe sensors to surface determines the closest measurement point to phantom surface. The minimum distance of probe sensors to surface is 4 mm. This distance cannot be smaller than the Distance of sensor calibration points to probe tip as defined in the probe properties (for example, 2.7 mm for an ET3DV6 probe type). - The entire evaluation of the spatial peak values is performed within the Post-processing engine (SEMCAD). The system always gives the maximum values for the 1 g and 10 g cubes. The algorithm to find the cube with highest averaged SAR is divided into the following stages: 1. The extraction of the measured data (grid and values) from the Zoom Scan. 2. The calculation of the SAR value at every measurement point based on all stored data (A/D values and measurement parameters) 3. The generation of a high-resolution mesh within the measured volume 4. The interpolation of all measured values from the measurement grid to the high-resolution grid 5. The extrapolation of the entire 3-D field distribution to the phantom surface over the distance from sensor to surface 6. The calculation of the averaged SAR within masses of 1 g and 10 g. The probe is calibrated at the center of the dipole sensors that is located 1 mm to 2.7 mm away from the probe tip. During measurements, the probe stops shortly above the phantom surface, depending on the probe and the surface detecting system. Both distances are included as parameters in the probe configuration file. The software always knows exactly how far away the measured point is from the surf…

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Report Number: F690501/RF-RTL004301-3 Page: 2 of 48 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGS Testing Korea Co., Ltd. 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea, 435-040 Tel. +82 31 428 5700 / Fax. +82 31 427 2371 www.electrolab.kr.sgs.com INDEX TABLE OF CONTENTS Page 1. General Information ------------------------------------------------------------------------------ 3 2. RF radiated output power & spurious radiated emission -------------------------------- 7 3. Conducted Output Power ----------------------------------------------------------------------- 16 4. Occupied Bandwidth 99 % ---------------------------------------------------------------------- 18 5. Spurious Emissions At Antenna Terminal--------------------------------------------------- 25 6. Band Edge ------------------------------------------------------------------------------------------ 35 7. Frequency Stability -------------------------------------------------------------------------------- 44 Report Number: F690501/RF-RTL004301-3 Page: 3 of 48 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGS Testing Korea Co., Ltd. 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea, 435-040 Tel. +82 31 428 5700 / Fax. +82 31 427 2371 www.electrolab.kr.sgs.com 1. General information 1.1. Testing laboratory SGS Testing Korea Co., Ltd. - 705, Dongchun-Dong Sooji-Gu, Yongin-Shi, Kyungki-Do, South Korea. - Wireless Div. 2FL, 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea 435-040 www.electrolab.kr.sgs.com Telephone : +82 +31 428 5700 FAX : +82 +31 427 2371 1.2. Details of applicant Applicant :LG Electronics Inc. Address :60-39, Gasan-dong, Gumchon-gu, Seoul, 153-023, Korea Contact Person :Kim, Hyeon Kyun Phone No. :+82 +2 2033 1113 1.3. Description of EUT Kind of Product Cellular/PCS GSM/EDGE & WCDMA with Bluetooth and WLAN Model Name LG-T325g, T325g Serial Number N/A Power Supply DC 3.7 V (Li-Ion Battery) Rated Power GSM850 : 32.80 dBm GSM1900 : 29.50 dBm WCDMA850 : 23.00 dBm WCDMA1900 : 23.00 dBm Frequency Range GSM850 : 824.2 ㎒ ~ 848.8 ㎒ GSM1900 : 1 850.2 ㎒ ~ 1 909.8 ㎒ WCDMA850 : 826.4 ㎒ ~ 846.6 ㎒ WCDMA1900 : 1 852.4 ㎒ ~ 1 907.6 ㎒ Bluetooth : 2 402 ~ 2 480 ㎒ WLAN : 2 412 ~ 2 462 ㎒ (11b/g) Class of GPRS Class 12, Class B Report Number: F690501/RF-RTL004301-3 Page: 4 of 48 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGS Testing Korea Co., Ltd. 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea, 435-040 Tel. +82 31 428 5700 / Fax. +82 31 427 2371 www.electrolab.kr.sgs.com 1.4. Description of test mode GPRS Data GPRS GPRS GPRS GPRS Voice GSM 1 TX Slot 2 TX Slot 3 TX Slot 4 TX Slot Band Frequency (MHz) (dBm) (dBm) (dBm) (dBm) (dBm) 824.2 32.67 32.66 30.86 28.90 26.92 836.6 32.58 32.57 30.85 28.88 26.92 GSM 850 848.8 32.48 32.48 30.84 28.88 26.91 1850.2 29.20 29.21 27.76 27.71 25.68 1880.0 29.08 29.09 27.69 27.62 25.58 GSM 1900 1909.8 29.30 29.31 27.91 27.81 25.77 EDGE Data EDGE EDGE EDGE EDGE 1 TX Slot 2 TX Slot 3 TX Slot 4 TX Slot Band Frequency (MHz) (dBm) (dBm) (dBm) (dBm) 824.2 26.60 25.22 23.14 21.50 836.6 26.49 25.05 23.10 21.49 GSM 850 848.8 26.24 24.74 22.90 21.25 1850.2 25.12 23.31 21.78 22.04 1880.0 25.10 23.20 21.81 21.94 GSM 1900 1909.8 25.22 23.36 21.80 22.02 3GPP 34.121 Cellular Band[dBm] PCS Band[dBm] 3GPP Release version Mode Sutest 4132 4183 4233 9262 9400 9538 99 WCDMA 12.2kbps RMC 22.92 22.93 22.78 23.34 22.97 23.12 5 Sutest1 22.68 22.86 22.98 23.16 22.91 23.09 5 Sutest2 22.73 22.83 22.56 23.24 22.88 23.08 5 Sutest3 22.76 22.72 22.54 23.29 22.95 23.11 5 HSDPA Sutest4 22.74 22.87 22.56 23.28 22.83 23.09 GSM (850 / 1900) We found out the test mode with the highest power level after we analyze all the data rates. So we chose GSM850 voice / GSM1900 1 TX slot and WCDMA 1900 12.2kbps RMC (worst case) as a representative. Report Number: F690501/RF-RTL004301-3 Page: 5 of 48 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGS Testing Korea Co., Ltd. 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea, 435-040 Tel. +82 31 428 5700 / Fax. +82 31 427 2371 www.electrolab.kr.sgs.com 1.5. Test equipment list Equipment Manufacturer Model Cal Due. Signal Generator Agilent E4438C Mar. 31, 2011 Signal Generator Rohde & Schwarz SMR40 Jul. 18, 2011 Spectrum Analyzer Rohde & Schwarz FSV30 Mar. 31, 2011 Spectrum Analyzer Agilent E4440A Mar. 31, 2011 Mobile Test Unit Rohde & Schwarz CMU200 May. 25, 2011 Directional Coupler KRYTAR 152661 Jun. 01, 2011 High Pass Filter Wainwright WHK3.0/18G-10SS Sep. 29, 2011 Band Reject Filter Wainwright WRCG824/849-814/85 960/10SS Apr. 01, 2011 DC power Supply Agilent U8002A Jan. 06, 2011 Preamplifier H.P. 8447F Jul. 05, 2011 Preamplifier Rohde & Schwarz 8449B Mar. 31, 2011 Test Receiver R & S ESU26 Apr. 08, 2011 Bilog Antenna SCHWARZBECK MESSELEKTRONIK 396 Jul. 22, 2011 Horn Antenna Rohde & Schwarz HF 906 Oct. 08, 2011 Horn Antenna SCHWARZBECK BBH 9120D Nov. 09, 2011 Dipole Antenna VHAP/UHAP 975/958 Oct. 10, 2011 Antenna Master EMCO 1050 N.C.R. Turn Table Daeil EMC DI-1500 N.C.R. Anechoic Chamber SY Corporation L × W × H (9.6 m × 6.4 m × 6.6 m) Jan. 27, 2011 Report Number: F690501/RF-RTL004301-3 Page: 6 of 48 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGS Testing Korea Co., Ltd. 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea, 435-040…

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Test Setup Photographs Right Ear Cheek Right Ear Tilt Left Ear Cheek Left Ear Tilt Body Front Body Front with Ear Set Body Back Body Back with Ear Set

CE Front CE Rear RE Front RE Rear RE Front(GHz) RE Rear(GHz)