V7DCM250D01DUAL OPTICAL DAS REPEATER

CM250D01 Operating Manual 2010. 12. Kisan Telecom 2 / 54 Content 1. Introduction....................................................................................................................................................................5 1.1. General Introduction.....................................................................................................................................5 2. System Network Configuration............................................................................................................................5 2.1. Network configuration.................................................................................................................................5 3. System Specifications................................................................................................................................................6 3.1. General Specifications..................................................................................................................................6 3.2. System specifications....................................................................................................................................7 3.2.1. Frequency allocation........................................................................................................................7 3.2.2. System Specifications......................................................................................................................7 4. Mechanical Specifications.......................................................................................................................................8 4.1. CM250D01 MHU.............................................................................................................................................8 4.1.1. Mechanical Design............................................................................................................................8 4.1.2. Dimension.............................................................................................................................................9 4.1.3. Mechanical specification............................................................................................................10 4.1.4. Descriptions of CM250D01 MHU...........................................................................................10 4.1.5. Port Configuration.........................................................................................................................11 4.1.6. Module Composition....................................................................................................................13 4.1.7. Function of modules.....................................................................................................................14 4.1.8. PSU........................................................................................................................................................15 4.2. CM250D01 RU...............................................................................................................................................17 4.2.1. Mechanical Design.........................................................................................................................17 4.2.2. Dimension..........................................................................................................................................19 4.2.3. Mechanical Specification............................................................................................................19 4.2.4. Description of CM250D01 RU..................................................................................................20 4.2.5. Port Configuration.........................................................................................................................21 4.2.6. Module Composition of RU......................................................................................................22 4.2.7. Function of Modules....................................................................................................................24 5. Block Diagram............................................................................................................................................................28 6. Administration Program (RptMan-CM250D01)........................................................................................29 6.1. System Requirement..................................................................................................................................29 6.2. Cable connection.........................................................................................................................................29 6.3. Screen................................................................................................................................................................30 6.4. Status Display................................................................................................................................................30 3 / 54 6.5. Control Policy.................................................................................................................................................31 6.6. Menu..................................................................................................................................................................31 6.7. Toolbar...............................................................................................................................................................32 6.8. Program operation......................................................................................................................................33 6.8.1. Initiating communication...........................................................................................................33 6.8.2. Disconnect.......…

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Public Wireless, Inc 1325A McCandless Dr. BLDG. A, Milpitas, CA 95035, USA Tel. +408-263-4600 December 3, 2010 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 LETTER OF AUTHORIZATION To whom it may concern: We, the undersigned, hereby authorize LTA Co., Ltd., to act on our behalf in all manners relating to application for equipment authorization for FCC ID: V7DCM250D01including signing of all documents relating to these matters. Any and all acts carried out by LTA Co., Ltd., on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from Public Wireless, Inc LTA Co.,LTD. (Contact Person) Contact name: LEE, Kyung-Taek Position: Manager Phone:(82)31-323-6008 E-mail: [email protected] Frank Choe / Production Director Public Wireless, Inc

Public Wireless, Inc Te l . + Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 In re : Public Wireless, Inc FCC ID : V7DCM250D01 Request for Confidentiality Pursuant 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, Public Wireless, Inc. 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 Public Wireless, Inc. temporary confidentiality of commercially sensitive information prior to product release. The requested Confidential and Temporary Confidential exhibits are listed as follows: Exhibit Type File Name Schematics CONF APPENDIX V7DCM250D01 SCH DIA.pdf Parts list CONF APPENDIX V7DCM250D01 PL.pdf Block diagram CONF APPENDIX V7DCM250D01 BLK DIA.pdf CONFIDENTIAL Operational description CONF APPENDIX V7DCM250D01 OpDes.pdf External Photos SHORT-TERM CONF V7DCM250D01 EXT Photo.pdf Internal Photos SHORT-TERM CONF V7DCM250D01 INT Photo.pdf Test-Setup Photos SHORT-TERM CONF V7DCM250D01 Test Photo.pdf SHORT-TERM CONFIDENTIAL User’s Manual SHORT-TERM CONF V7DCM250D01 Manual.pdf 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.

FCC ID: V7DCM250D01 Copyright ○ c 2010, LTA Co., Ltd. Page 1 of 2 RU - Front RU - Side FCC ID: V7DCM250D01 Copyright ○ c 2010, LTA Co., Ltd. Page 2 of 2 RU - TOP RU - BOTTOM

FCC ID: V7DCM250D01 Copyright 2010, LTA Co., Ltd. SAMPLE LABEL & LOCATION

FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 1 of 17 Internal photo – RU Inside FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 2 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 3 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 4 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 5 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 6 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 7 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 8 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 9 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 10 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 11 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 12 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 13 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 14 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 15 of 17 ’ FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 16 of 17 FCC ID: V7DCM250D01 Copyright c 2010, LTA Co., Ltd. Page 17 of 17

Public Wireless, Inc Te l . + Te l . + TUNE-UP PROCEDURE This repeater(M/N : CM250D01) does not have a tune-up procedure and all tune-up is controlled at the factory. The product will be completely tuned and tested before it is shipped to customers.

FCC ID: V7DCM250D01 ATTACHMENT ** MPE Calculations ** (a) FCC limit at 881.6MHz The MPE calculation for this exposure is shown below. Limits for Occupational/Controlled Exposure The peak radiated output power (EIRP) is calculated as follows: Maximum permissible exposure is Freq. (MHz)/300 = MPE mW/cm 2 881.6 MHz/300 = 2.94 mW/cm 2 The following calculations determine at what distance from the antenna the power density is =2.94 mW/cm 2 Max Tx output power = 40.02dBm numeric Gain = 10dBi MPE Calulation Estimated safe separation: R = √(PG / 4π2.94) R = √(10046*10 / 4π2.94) R = 52.15Cm Where, P = Power input to the antenna (mW) G = Numeric power gain of the antenna R = Distance to the center of the radiation of the antenna (20cm = limit for MPE) The minimum safe distance for Occupational/Controlled exposure is 52.15cm for the antenna when installed. This is the worst case for the downlink. The maximum antenna gain stated is for the downlink. This product is installed by trained professionals in outdoor applications only FCC ID: V7DCM250D01 ATTACHMENT (a) FCC limit at 1960MHz The MPE calculation for this exposure is shown below. Limits for Occupational/Controlled Exposure The peak radiated output power (EIRP) is calculated as follows: Maximum permissible exposure is 5 mW/cm 2 The following calculations determine at what distance from the antenna the power density is =5 mW/cm 2 Max Tx output power = 40.42 dBm numeric Gain = 11.22 dBi MPE Calulation Estimated safe separation: R = √(PG / 4π5.0) R = √(11015*11.22 / 4π5.0) R = 41.87Cm Where, P = Power input to the antenna (mW) G = Numeric power gain of the antenna R = Distance to the center of the radiation of the antenna (20cm = limit for MPE) The minimum safe distance for Occupational/Controlled exposure is 41.87cm for the antenna when installed. This is the worst case for the downlink. The maximum antenna gain stated is for the downlink. This product is installed by trained professionals in outdoor applications only

Ref. : LR500111012E Copyright ○ c 2010, LTA Co., Ltd. Page 1 of 46 243 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: Nov 30~ Dec 06, 2010 Test Report S/N: LR500111012E Test Site : LTA CO., LTD. FCC ID APPLICANT TEST REPORT FCC Part 22(H)/Part 24(E) Certification Classification : PCS Licensed Transmitter Manufacturing Description : Dual Optical DAS Repeater Manufacturer : Kisan Telecom Co., Ltd. Model name : CM250D01 Test Device Serial No.: : Identification FCC Rule Part(s) : §22(H), §24(E), §2 Downlink : 869~894MHz (GSM 850 / WCDMA 850) 1930~1990MHz (GSM 1900 / WCDMA 1900) Uplink : N/A (Optical) Rated RF Output Power : 10W (40dBm) Type Modulation GSM / WCDMA Emission Designators: : GXW / F9W Data of issue : December 6, 2010 This test report is issued under the authority of: The test was supervised by: Kyung-Taek LEE, Technical Manager Hyun-Chae You, 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 any agency. NVLAP LAB Code.: 200723-0 V7DCM250D01 Public Wireless, Inc Ref. : LR500111012E Copyright ○ c 2010, LTA Co., Ltd. Page 2 of 46 TABLE OF CONTENTS 1. GENERAL INFORMATION’S -------------------------------------------------------------------------- 2. INFORMATION’S ABOUT TEST ITEM ------------------------------------------------------------- 3. TEST REPORT 3.1 SUMMARY OF TESTS ------------------------------------------------------------------------------ 3.2 DESCRIPTION OF TESTS -------------------------------------------------------------------------- 3.2.1 RF Rower Output ------------------------------------------------------------------------------- 3.2.2 Occupied Bandwidth, Input/Output Comparison ------------------------------------------------ 3.2.3 Out-of-Band Emissions at antenna terminal ----------------------------------------------------- 3.2.4 Intermodultion Test --------------------------------------------------------------------------------- 3.2.5 Transmitter Spurious Radiation -------------------------------------------------------------------- 3.2.6 Out-of-Band Rejection ------------------------------------------------------------------------------ 3.2.7 FREQUENCY STABILITY -------------------------------------------------------------------- 3.3 CONCLUSION ---------------------------------------------------------------------------------------- APPENDIX APPENDIX 1 TEST EQUIPMENT USED FOR TESTS ------------------------------------------ 3 4 5 6 7 8 13 32 37 39 41 44 45 Ref. : LR500111012E Copyright ○ c 2010, LTA Co., Ltd. Page 3 of 46 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 2011-09-30 ECT accredited Lab. RRL KOREA KR0049 2011-06-20 EMC accredited Lab. FCC U.S.A 610755 2011-04-22 FCC filing VCCI JAPAN R2133, C2307 2011-06-21 VCCI registration IC CANADA IC5799 2012-05-14 IC filing Ref. : LR500111012E Copyright ○ c 2010, LTA Co., Ltd. Page 4 of 46 2. Information’s about test item 2-1 Client Company name : Public Wireless, Inc Address : 1325A McCandless Dr. BLDG. A, Milpitas, CA 95035, USA Telephone : +408-263-4600 2-2 Manufacturer Company name : Kisan Telecom Co., Ltd. Address : 2F, Segi Bldg., 66-2 Bangyi-Dong Songpa-Gu, Seoul, 138-828, Korea Telephone : +82 2-3433-8341 2-3 Equipment Under Test (EUT) Classification : PCS Licensed Transmitter Trade name : Dual Optical DAS Repeater Model name : CM250D01 Serial number : Identification Date of receipt : November 29, 2010 EUT condition : Pre-production, not damaged Downlink : 869~894MHz (GSM 850 / WCDMA 850) 1930~1990MHz (GSM 1900 / WCDMA 1900) Uplink : N/A (Optical) Max gain : 50dB Frequency Tolerance : ±0.08 ppm Emission Designators : GSM(GXW), WCDMA(F9W) Power Input : 60Vac(Square wave) Ref. : LR500111012E Copyright ○ c 2010, LTA Co., Ltd. Page 5 of 46 2-4 Tested frequency Mode Frequency (CH) TX (MHz) Low (129) 869.4 Mid (190) 881.6 GSM 850 High (250) 893.6 Low (513) 1930.4 Mid (661) 1960 GSM 1900 High (809) 1989.6 Low (4357) 871.4 Mid (4408) 881.6 WCDMA 850 High (4458) 891.6 Low (9662) 1932.4 Mid (9800) 1960 WCDMA 1900 High (9938) 1987.6 2.5 Mode of Operation The EUT was powered by 60VAC. The EUT was configured for maximum gain, 50dB. Repeater simulators were used to provide the input signals to the EUT. Tests were performed with GSM and WCDMA modulations. The input power was the maximum declared by the manufacturer. Ref. : LR500111012E Copyright ○ c 2010, LTA Co., Ltd. Page 6 of 46 3. Test Report 3.1 Summary of tests Parameter Status Transmitter Requirements RF Power Output C Occupied Bandwidth, Input/Output Comparison C Out-of-Band Emissions at antenna terminal C Intermodulation Test C Transmitter Spurious Radiation C Out of Band Rejection - Frequency Stability C Note 1: C=Complies NC=Not Complies NT=Not Tested NA=Not Applicable Note 2: The data in this test report are to be tested to the ANSI/TIA-603-C-2004 standard Ref. : LR500111012E Copyright ○ c 2010, LTA Co., Ltd. Page 7 of 46 3.2 Results Of Tests 3.2.1 RF Power Output 1. Test Procedure The EUT RF output was connected to Powermeter. The EUT was setup to transmit continuously with maximum power. A spectrum analyzer was setup to measure peak power. Measurements were performed at three frequencies (low, middle, and high channels) with…

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FCC ID: V7DCM250D01 Copyright ○ c 2010, LTA Co., Ltd. Page 1 of 1 Radiated Emission