A3LSPI-2210012500Mobile WiMAX Indoor RAS

#505 SK Apt. Factory, 223-28 Sangdaewon1-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do 462-705 Korea [TEL]031-746-8500 [FAX]031-746-8700 전사-002 (Rev. 2) www.onetech.co.k r Date : 2007. 09. 05. Ref. No : To : Application Examiner / Reviewing Engineer FCC Laboratory 7435 Oakland Mills Road Columbia, MD 21046 CC : Subject : Request for confidentiality per Section 0.459 of FCC Rules Applicant: SAMSUNG ELECTRONICS CO., LTD. FCC ID: A3LYPP2 To whom it may concern, Request is hereby submitted, on behalf of my client, Samsung Electronics Co., Ltd., to withhold from public review certain portions of the application for equipment certification for the referenced FCC identifier. In particular, the following sections of the application and report are requested to be kept confidential: Schematics Block Diagram Operational Description and Technical Description Bill of materials Internal Photo User Manual Rationale for request for confidentiality: Samsung Electronics Co., Ltd., has invested considerable time and materials in research and development to produce the referenced product. Disclosure of the confidential portions of this application to competitors would give them competitive advantage in developing similar products. Also user manual contain highly technical information about this product and this equipment is not available to be sold to general public and can only be accessed and installed by trained service personal. If you have questions or need further information, please contact the undersigned. Sincerely, Y.K. Kwon / Director Onetech Corp. Email: [email protected]

 From: Y.G. Gwon [mailto:[email protected]] Sent: Wednesday, September 19, 2007 9:24 PMTo: 'Mike Kuo'; 'Tom Cokenias'Cc: ' [email protected] 'Subject: RE: SAMSUNG ELECTRONICS CO., LTD., FCC ID: A3LSIP-2210, Assessment NO.: AN07T7185, Notice#2  Hi Mike and Mr. Cokenias,  Thank you for your kind cooperation regarding this matter and I understand your current situation, but please help me to issue your certificate ASAP.  I would like to reply your questions at the bottom of your kind comments.  Best Regards, Y. G. Gwon (轝?  ?/SPAN>) ONETECH Corp. RF/EMC Div. TEL: +82-31-765-8289 (Ext.107) FAX: +82-31-766-2904 From: Mike Kuo [mailto:[email protected]] Sent: Wednesday, September 19, 2007 6:45 AMTo: Y.G. Gwon; Tom CokeniasSubject: RE: SAMSUNG ELECTRONICS CO., LTD., FCC ID: A3LSIP-2210, Assessment NO.: AN07T7185, Notice#2 Hi Y.K.: Sorry I missed your calls. As of today, we have not yet received FCC reply on our permit-but-ask request, so TCB can not issue the grant until received permission from FCC. FCC may ask us to ask more questions, so please inform Samsung that 09/18 deadline may not be able to achieve. However, we will do our best. Based upon your replies to Tom? questions, I have the following questions: My questions are embedded below your replies. Best Regards Mike Kuo Compliance Certification Services 47173 Benicia Street Fremont, CA 94538 Direct: (510) 771-1105 Fax: (510) 661-0888 Main: (510) 771-1000 e-mail:[email protected] Web Site:www.ccsemc.com From: Y.G. Gwon [mailto:[email protected]] Sent: Monday, September 17, 2007 6:31 PMTo: Tom CokeniasCc: Mike KuoSubject: RE: SAMSUNG ELECTRONICS CO., LTD., FCC ID: A3LSIP- 2210, Assessment NO.: AN07T7185, Notice#2 Dear Mr. Cokenias, I am sorry for replying this email too late. I would like to embed my reply at the bottom of your original text. Could you please review that at your earliest convenience. FYI my email address is [email protected] not [email protected] . Best Regards, Y. G. Gwon (  轝?  ?/SPAN>) ONETECH Corp. RF/EMC Div. TEL: +82-31-765-8289 (Ext.107) FAX: +82-31-766-2904 From: Tom Cokenias [mailto:[email protected]] Sent: Friday, September 14, 2007 11:31 AMTo: [email protected] Cc: Tom Cokenias; Mike KuoSubject: SAMSUNG ELECTRONICS CO., LTD., FCC ID: A3LSIP-2210, Assessment NO.: AN07T7185, Notice#2 Dear YK, I have submitted the permit but ask inquiry to FCC and am waiting to hear back from them. Meanwhile, I am continuing my review and have some other questions concerning this application: 1. Please submit test set up photographs, I did not find them in the filing. [YK] Attached please find a file for setup photo. 2. In your reply to my earlier email you attached a revised test report. What was changed from the original test report? [YK] The revised page is 7. I revised product information. 3. What was the operating mode for the test results in the test report - e.g., MIMO Matrix A, MIMO Matrix B, something else? [YK] The operating mode is MiMO Matrix A. [Mike Kuo] Based upon WiMAX Wave 2 specification, MIMO Matrix A is using space-time-coding and Matrix B is using spatial multiplexing. In addition to Matrix A and Matrix B, Collaborative Uplink MIMO is also mentioned. Due to WiMAX is considered as new technology by FCC, FCC has asked in the past to demonstrate all possible modes of operation measurement data to justify the worst case. If you were only investigated MIMO Matrix A mode of operation with all possible modulation types, it is not enough. [YK] This device shall be use STC not SM, so I think Matrix A is enough. In addition to above, in MIMO mode, when multiple antennas are transmitting on the same channel with same data simultaneously, FCC requests to sum the individual transmitter chain output power. For RF conducted spurious emission tests, a combiner is required when measuring with multiple transmitter chains transmit at the same time. [YK] We used combiner for above testing and the data was explained as Aggregate Signal in our test report. During radiated spurious emission tests, the tests shall be performed with single TX chain is transmitting and with both TX chains are transmitting with various mode of operation. [YK] Yes, we tested both modes at the testing. 4. Were all modes tested to determine the worst case? What was the worst case mode? [YK] It is not easy to say what the worst case is, because the worst case is different per each test item. But we tested all modulation with different data rate as following. [Mike Kuo] Tom is questioning that since WiMAX Wave 2 has many MIMO implementation, what is the justification to test Matrix A only ? [YK] As I already informed to you, the device shall be use STC type. That was a reason. 5. What are the data rates for the different modulations shown in the test report? [YK] The data rates are divided 8 types as following. QPSK 1/2, QPSK 3/4, 16QAM1/2, 16QAM1/2, 64QAM1/2, 64QAM2/3, 64QAM3/4, 64QAM5/6, but QPSK3/4, 16QAM3/4 and 64QAM3/4 were used for the testing, because above 3 modes were used for measuring constellation error during transmitting function testing. The items indicated above must be submitted before processing can continue on the above referenced application. Failure to provide the requested information within 30 days of the original e-mail date may result in application dismissal and forfeiture of the filing fee. Also, please note that partial responses increase processing time and should not be submitted. Any questions about the content of this correspondence should be directed to the e-mail address listed below the name of the sender. No virus found in this incoming message.Checked by AVG Free Edition.Version: 7.5.487 / Virus Database: 269.13.16/1005 - Release Date: 9/13/2007 11:45 AM No virus found in this incoming message.Checked by AVG Free Edition.Version: 7.5.487 / Virus Database: 269.13.22/1013 - Release Date: 9/17/2007 1:29 PM No virus…

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FCC ID. : A3LSPI-2210012500 Report No.: Error! Unknown document property name.0 IDENTIFICATION LABEL: PROPOSED FCC ID LABEL The FCC ID shall be permanently affixed to the rear side of the equipment and other information shall be placed in the instruction manual. Made in Korea FCC ID : A3LSPI-2210012500 FCC ID AREA

FCC ID. : A3LSPI-2210012500 Page 1 of 56 Report No. : E079R-010 It should not be reproduced except in full, without the written approval of ONETECH. EMC-003(Rev.0) HEAD OFFICE : #505 SK APT. Factory 223-28, Sangdaewon 1 Dong, Jungwon-Gu, Seongnam-City, Kyunggi-Do, 462-705, Korea (TEL: 82-31-746-8500 FAX: 82-31-746-8700) EMC Testing Dept : 307-51 Daessangryung-Ri, Chowol-Eup, Kwangju-City, Kyunggi-Do 464-860 Korea. (TEL: 82-31-765-8289 FAX: 82-31-766-2904) ELECTROMAGNETIC EMISSION COMPLIANCE REPORT FOR MISCELLANEOUS WIRELESS COMMUNICATIONS SERVICES Test Report No. : E079R-010 AGR No. : A075A-103R1 Applicant : Samsung Electronics Co., Ltd. Address : 416, Maetan 3-dong, Youngtong-gu, Suwon-si, Gyeonggi-do, Korea Manufacturer : Samsung Electronics Co., Ltd. Address : 416, Maetan 3-dong, Youngtong-gu, Suwon-si, Gyeonggi-do, Korea Type of Equipment : Mobile WiMAX Indoor RAS FCC ID. : A3LSPI-2210012500 Model Name : SPI-2210 Serial number : None Total page of Report : 56 pages (including this page) Date of Incoming : August 3, 2007 Date of issuing : September 5, 2007 SUMMARY The equipment complies with the regulation; FCC Part 27 This test report only contains the result of a single test of the sample supplied for the examination. It is not a generally valid assessment of the features of the respective products of the mass-production. Prepared by: Reviewed by: Y. M. Choi / Chief Engineer Y. K. Kwon/ Director EMC & RF Div. EMC & RF Div. ONETECH Corp. ONETECH Corp. FCC ID. : A3LSPI-2210012500 Page 2 of 56 Report No. : E079R-010 It should not be reproduced except in full, without the written approval of ONETECH. EMC-003(Rev.0) HEAD OFFICE : #505 SK APT. Factory 223-28, Sangdaewon 1 Dong, Jungwon-Gu, Seongnam-City, Kyunggi-Do, 462-705, Korea (TEL: 82-31-746-8500 FAX: 82-31-746-8700) EMC Testing Dept : 307-51 Daessangryung-Ri, Chowol-Eup, Kwangju-City, Kyunggi-Do 464-860 Korea. (TEL: 82-31-765-8289 FAX: 82-31-766-2904) CONTENTS PAGE 1. VERIFICATION OF COMPLIANCE ............................................................................................ 5 2. TEST SUMMARY ............................................................................................................................. 6 2.1 TEST ITEMS AND RESULTS..............................................................................................................................................6 2.2 ADDITIONS, DEVIATIONS, EXCLUSIONS FROM STANDARDS...........................................................................................6 2.3 RELATED SUBMITTAL(S) / GRANT(S).............................................................................................................................6 2.4 PURPOSE OF THE TEST....................................................................................................................................................6 2.5 TEST METHODOLOGY....................................................................................................................................................6 2.6 TEST FACILITY...............................................................................................................................................................6 3. GENERAL INFORMATION ........................................................................................................... 7 3.1 PRODUCT DESCRIPTION.................................................................................................................................................7 3.2 ALTERNATIVE TYPE(S)/MODEL(S); ALSO COVERED BY THIS TEST REPORT..................................................................7 4. EUT MODIFICATIONS ................................................................................................................... 7 5. SYSTEM TEST CONFIGURATION .............................................................................................. 8 5.1 JUSTIFICATION...............................................................................................................................................................8 5.3 PERIPHERAL EQUIPMENT...............................................................................................................................................8 5.4 MODE OF OPERATION DURING THE TEST.......................................................................................................................8 6. RF POWER OUTPUT AT ANTENNA TERMINAL .................................................................... 9 6.1 OPERATING ENVIRONMENT...........................................................................................................................................9 6.2 TEST SET-UP...................................................................................................................................................................9 6.3 TEST EQUIPMENT USED..................................................................................................................................................9 6.4 TEST DATA....................................................................................................................................................................10 6.4.1 TEST DATA AT OUTPUT PORT 0................................................................................................................................10 6.4.2 TEST DATA AT OUTPUT PORT 1................................................................................................................................10 7. OCCUPIED BANDWIDTH TEST................................................................................................. 15 7.1 OPERATING ENVIRONMENT.........................................................................................................................................15 7.2 TEST SET-UP....................................................................................................................................…

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