A3LWLM100AWireless LAN Module

User manual Product description: IEEE 802.11b/g/n 1x1 USB module Model name: WLM100A Version: v1.0 1. Introduction • CMOS Technology with PA, LNA, RF, Baseband and MAC integrated • 1T1R Mode with 150Mbps PHY Rate for Both Transmit and Receiving • Legacy and High Throughput Modes • 20MHz /40MHz Bandwidth • Reverse Direction Grant Data Flow and Frame Aggregation • WEP64/128, WPA, WPA2, TKIP, AES, WAPI • QoS-WMM, WMM-PS • WPS, PIN, PBC • Multiple BSSID support • USB2.0 • Low Power with Advanced Power Management • Operating Systems – Windows XP 32/64, 2000, Windows7, Vista32/64, Linux, Macintosh 2. Features WLM100A is an USB embedded module compliant with IEEE802.11b/g/n. The core chipset is from Ralink, part number RT5370 3. Hardware 3.1 Main Chipset Information 3.2 Circuit Block Diagram 3.3 Outlook Diagram ItemVenderPart number MAC/BBP/Radio Transceiver/PARalinkRT5370 The major internal components and external interfaces of WLM100A are illustrated in below Figure. Top viewBottom view 3.4 Antenna Information Main Antenna (TX/RX) AUX Antenna (RX Only) 3.4.1 Gain and Efficiency FrequencyMHz240024422485 Main Efficiency%55.165.563.2 Avg. GaindBi-2.6-1.8-2.0 Peak GaindBi0.62.22.6 AUX Efficiency%38.345.535.4 Avg. GaindBi-4.2-3.4-4.5 Peak GaindBi-0.11.30.6 4. Interface TerminalNameInterfaceI/ODescription 1GNDAnalogIGround 2USB D-DigitalI/OUSB Interface negative 3USB D+DigitalI/OUSB Interface positive 4VCCAnalogI3.3V Power supply input 5VCCDigitalI3.3V Power supply input 1.00mm pitch 5Pin FPC/FFC Connector SMT, TOP Contact, Non-ZIF Type 5. Specifications 5.1 Supply Voltage 5.2 Current Consumption 3.3V +/- 5% DC SymbolParameterMinTyp.MaxUnit ICC_RXReceiving Current Consumption-250-mA ICC_TXTransmission Current Consumption-410-mA 5.3 RF Sensitivity Typical sensitivity level, 2RX with +/-3dB Tolerance. Unit : dBm 20MHz Frequency (MHz) 241224362462 1Mbps-90-90-90 2Mbps-90-90-90 5.5Mbps-89-89-89 11Mbps-86-86-86 6Mbps-88-88-88 9Mbps-88-88-88 12Mbps-85-85-85 18Mbps-83-83-83 24Mbps-80-80-80 36Mbps-77-77-77 48Mbps-73-73-73 54Mbps-72-72-72 MCS0-87-87-87 MCS1-85-85-85 MCS2-83-83-83 MCS3-80-80-80 MCS4-77-77-77 MCS5-73-73-73 MCS6-71-71-71 MCS7-70-70-70 5.4 Environmental Spec. SymbolParameterRatingUnit TempOperating-20 to 70 °C TSTGStorage Temperature-40 to 85 °C Federal Communication Commission Interference Statement 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. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. For product available in the USA/Canada market, only channel 1~11 can be operated. Selection of other channels is not possible. FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. This device and its antenna(s) must not be co-located or operation in conjunction with any other antenna or transmitter. USERS MANUAL OF THE END PRODUCT: In the users manual of the end product, the end user has to be informed to keep at least 20cm separation with the antenna while this end product is installed and operated. The end user has to be informed that the FCC radio-frequency exposure guidelines for an uncontrolled environment can be satisfied. The end user has to also be informed that any changes or modifications not expressly approved by the manufacturer could void the user's authority to operate this equipment. If the size of the end product is smaller than 8x10cm, then additional FCC part 15.19 statement is required to be available in the users manual: This device complies with Part 15 of FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation. LABEL OF THE END PRODUCT: The final end product must be labeled in a visible area with the following " Contains FCC ID: A3LWLM100A". If the size of the end product is larger than 8x10cm, then the following FCC part 15.19 statement has to also be available on the label: This device complies with Part 15 of FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation. IC Statement This Class B digital apparatus complies with Canadian ICES-003. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accep…

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Attn: Reviewing Engineer Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 Date: August 13, 2012 RE: PART 15 UNLICENSED LIMITED MODULAR APPROVAL REQUEST To Whom It May Concern: We, Samsung Electronics Co., Ltd., hereby requests a Limited Modular Approval of our RF Transceiver Module, described as follows: -. Brand name: SAMSUNG -. FCC ID: A3LWLM100A -. Model name: WLM100A The requirements of section 15.212 of the FCC rules have been met as indicated in the following statements: 1. The radio elements of the modular transmitter must have their own shielding.: The radio portion of this module has been shielded, please see photographs provided with the application. 2.The modular transmitter must have buffered modulation/data inputs: All inputs to the modules are buffered through logic or microprocessor inputs. 3.The modular transmitter must have its own power supply regulation: This module doesn’t have its own power regulator, This module is installed in only Samsung Electronics AV products and supplied 3.3V from host. 4.The modular transmitter must comply with the antenna requirements of Section 15.203 and 15.204c: This module is equipped with an onboard PCB antenna. For further details please refer to the antenna data sheet included in the filing. 5.The modular transmitter must be tested in a stand-alone configuration: This module was tested inside of the final product for limited modular approval. Refer to setup photos 6.The modular transmitter must be labeled with its own FCC ID number: This module is labeled with its own FCC ID number. Please see product label design and the labeling requirement of the device with this label submitted with the application. 7.The modular transmitter must comply with any specific rule of operation requirements applicable to the transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements: This module is compliant with all applicable FCC rules. Detail instructions for maintaining compliance are given in Users Manual. 8.The modular transmitter must comply with any applicable RF exposure requirements: This module is compliant with all applicable RF exposure requirements. RF exposure is addressed in the test report. Please contact me if there are an any questions. Sincerely, Name: Sang Kyung (Peter), Ra Title: General Manager Company Name: Samsung Electronics Co., Ltd.

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 Date: June 29, 2012 RE: Request of confidentiality for FCC ID: A3LWLM100A To Whom It May Concern: 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, Samsung Electronics Co., Ltd. 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 day after the grant as outlined in Public Notice DA 04-1705. This provision will give Samsung Electronics Co., Ltd. Temporary confidentiality of commercially sensitive information prior to product release. The requested Permanent and Short-Term Confidential exhibits are listed as follows: PERMANENT AND SHORT-TERM CONFIDENTIAL LIST Exhibit Description PERMANENT 1 Block Diagram 2 Operational Description 3 Schematics SHORT-TERM 4 External Photos 5 Internal Photos 6 Test-Setup Photos 7 Users 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, Name: Sang Kyung (Peter), Ra Title: General Manager Company Name: Samsung Electronics Co., Ltd.

Test Report No.: NK-12-R-171 FCC and IC Certification Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A / IC :649E-WLM100A Page 85 of 89 Front View of EUT Test Report No.: NK-12-R-171 FCC and IC Certification Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A / IC :649E-WLM100A Page 86 of 89 Rear View of EUT

Test Report No.: NK-12-R-171 FCC and IC Certification Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A / IC :649E-WLM100A Page 81 of 89 APPENDIX A – LABELLING REQUIREMENTS The sample 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 other information in the manual (Front view of mainboard) Labeling Requirements

Test Report No.: NK-12-R-171 FCC and IC Certification Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A / IC :649E-WLM100A Page 88 of 89 APPENDIX D – Maximum Permissible Exposure RF Exposure Limit According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the Environmental of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) FrequencyElectric FieldMagnetic Field Power Density Averaging Time Range(MHz)Strength(V/m)Strength(A/m) (mW/cm 2 ) (Minutes) 30 - 30061.40.16316 300 - 1500......F/3006 1500 - 100000......56 30 - 30027.50.0730.230 300 - 1500......F/150030 1500 - 100000......130 (A) Limits for occupational / Contral Exposure (B) Limits for General Population / Uncontrolled Exposure F = Frequency (MHz) Fries formula Fries transmission formula : Pd = (Pout * G) / (4 * π* r²) r = √((Pout * G) / 4 * π* Pd)) Where Pd = Power density in ㎽/㎠ Pout = Output power to antenna in ㎽ G = Gain of antenna in linear scale π= 3.1416 r = Distance between observation point center of the radiator in cm Pd is the limit of MPE, 1 ㎽/㎠. If we know the Maximum Gain of the antenna and the total power input to the antenna, through the calculation, we will know the Maximum distance r where the MPE limit is reached and Power density at prediction frequency. Test Report No.: NK-12-R-171 FCC and IC Certification Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A / IC :649E-WLM100A Page 89 of 89 Test Result : The maximum tx antenna gain is 2.60 dBi or 1.82 (Numeric). Max output power mode: 802.11n(HT40) mode Maximum peak output power at antenna input terminal:24.96 (dBm) Maximum peak output power at antenna input terminal:313.33 (mW) Antenna gain(typical):2.60 (dBi) Maximum antenna gain:1.82 (numeric) Prediction distance:20 (cm) Prediction frequency:2437 (MHz) MPE limit for uncontrolled exposure at prediction frequency:1 (mW/cm^2) Maximum allowable antenna gain:11.04 (dBi) Minimum Distance:6.74 (cm) Power density at prediction frequency : 0.113431(mW/cm^2) Test result: PASS

Test Report No.: NK-12-R-171 FCC and IC Certification Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A / IC :649E-WLM100A Page 2 of 89 TABLE OF CONTENTS 1. Scope 4 2. Introduction (Site Description) 5 2.1 Test facility 5 2.2 Accreditation and listing 6 3. Test Conditions & EUT Information 7 3.1 Operation During Test 7 3.2 Support Equipment 9 3.3 Setup Drawing 9 3.4 EUT Information 10 4. Summary of Test Results 11 5. Recommendation / Conclusion 12 6. Antenna Requirements 12 7. Description of Test 13 7.1 Conducted Emissions 13 7.2 Radiated Emissions 14 7.3 6 dB Bandwidth 15 7.4 Maximum Peak Output Power 16 7.5 Peak Power Spectral Density 17 7.6 Conducted Spurious Emissions 18 8. Test Data 19 8.1 Conducted Emissions 19 8.2 Radiated Emissions 22 8.3 6 dB Modulated Bandwidth 23 8.4 Peak Power Output 30 8.5 Peak Power Spectral Density 38 8.6 Conducted Spurious Emissions 46 Test Report No.: NK-12-R-171 FCC and IC Certification Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A / IC :649E-WLM100A Page 3 of 89 8.7 Radiated Spurious Emissions 63 9 Accuracy of Measurement 78 10. Test Equipment 80 Appendix A: Labeling Requirement 81 Appendix B: Photographs of Test Set-up 82 Appendix C: EUT Photographs 84 Appendix D: Maximum Permissible Exposure 88 Test Report No.: NK-12-R-171 FCC and IC Certification Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A / IC :649E-WLM100A Page 4 of 89 1. SCOPE Measurement and determination of electromagnetic emissions (EME) of radio frequency devices including intentional and/or unintentional radiators for compliance with the technical rules and regulations of the Federal Communications Commission under FCC part 15 and IC RSS-210. Responsible Party : Contact Person : Manufacturer : Samsung Electronics Co., Ltd. Mr. Jaywoo. Lee Samsung Electronics Co., Ltd. 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Korea 443-742  FCC ID: A3LWLM100A  Model: WLM100A  Brand Name: SAMSUNG  EUT Type: Wireless LAN module  Classification: FCC part 15 Spread Spectrum Transmitter  Applied Standard: FCC 47 CFR Part 15 subpart C and IC RSS-210  Test Procedure(s): ANSI C63.4-2003, ANSI C63.10 and FCC guidance of 558074 D01 DTS Meas. Guidance v02 dated October 4, 2012 entitled “Guidance for Performing Compliance Measurements on Digital Transmission System (DTS) Operating Under §15.247”  Dates of Test: October 5, 2012 ~ October 23, 2012  Place of Tests: Nemko Korea Co., Ltd. Test Report No.: NK-12-R-171 FCC and IC Certification Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A / IC :649E-WLM100A Page 5 of 89 2. INTRODUCTION 2.1 Test facility The measurement procedure described in American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz (ANSI C63.4-2003), the American National Standard for Testing Unlicensed Wireless Devices (ANSI C63.10-2009) was used in determining radiated and conducted emissions emanating from Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A and IC : 649E-WLM100A These measurement tests were conducted at Nemko Korea Co., Ltd. EMC Laboratory. The site address is 155 & 159, Osan-Ro, Mohyeon-Myeon, Cheoin-Gu, Yongin-Si, Gyeonggi-Do, 449-852 KOREA, REPUBLIC OF. . The area of Nemko Korea Corporation Ltd. EMC Test Site is located in a mountain area at 80 kilo-meters (48 miles) southeast and Incheon International Airport (Incheon Airport), 30 kilometers (18 miles) south-southeast from central Seoul. It is located in the valley surrounded by mountains in all directions where ambient radio signal conditions are quiet and a favorable area to measure the radio frequency interference on open field test site for the computing and ISM devices manufactures. The detailed description of the measurement facility was found to be in compliance with the requirements of §2.948 according to ANSI C63.4 2003. Fig. 1. The map above shows the Seoul in Korea vicinity area. The map also shows Nemko Korea Corporation Ltd. EMC Lab. and Incheon Airport. Nemko Korea Co., Ltd. EMC Lab. 155 & 159, Osan-Ro, Mohyeon- Myeon, Cheoin-Gu, Yongin-Si, Gyeonggi-Do, 449-852 KOREA, REPUBLIC OF Tel)+82-31-330-1700 Fax)+82-31-322-2332 Test Report No.: NK-12-R-171 FCC and IC Certification Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A / IC :649E-WLM100A Page 6 of 89 2.2 Accreditation and listing Accreditation type Accreditation number FCC part 15/18 Filing site Registration No. 97992 CAB Accreditation for DOC Designation No. KR0026 KOLAS Accredited Lab. (Korea Laboratory Accreditation Scheme) Registration No. 155 Canada IC Registered site Site No. 2040E VCCI registration site(RE/CE/Telecom CE) Member No. 2118 EMC CBTL - KCC(RRL)Designated Lab. Registration No. KR0026 SASO registered Lab and Certification Body Registration No. 2008-15 Test Report No.: NK-12-R-171 FCC and IC Certification Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A / IC :649E-WLM100A Page 7 of 89 3. TEST CONDITIONS & EUT INFORMATION 3.1 Operation During Test The EUT is the transceiver which is the module supporting the 802.11b/g/n mode. It supports two antennas. The main antenna can be used as transmitting and receiving. The aux antenna can be used as receiving only. During the test, the EUT was incorporated into a Bluray disc player. The EUT was connected to laptop PC and then a test program was executed to operate EUT continuously. The EUT was tested at the lowest channel, middle channel and the highest channel with the maximum output power in accordance with the manufacturer’s specifications. The worst data were recorded in the report. The EUT is programmed with the following setting during the testing: Test frequency 2412 MHz 2437 MHz 2462 MHz 802.11b Average power 12.59 16.13 13.84 Data rate (Mbps) 11 11 11 802.11g Average power 15.56 16.14 15.68 Data rate (Mbps) 6 6 6 802.11n Average power 15.75 16.14 15.51 Data rate (Mbps) MCS0 MCS0 MCS0 Test frequency 2422 MHz 2437 MHz 2452 MHz 802.11n(HT40) Average power 13.19 15.66 13.0…

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Test Report No.: NK-12-R-171 FCC and IC Certification Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A / IC :649E-WLM100A Page 82 of 89 APPENDIX B – PHOTOGRAPHS OF TEST SET-UP The Conducted Test Picture and Radiated Test Picture and show the worst-case configuration and cable placement.  Conducted Test Picture(Front)  Conducted Test Picture(Rear) Test Report No.: NK-12-R-171 FCC and IC Certification Samsung Electronics Co., Ltd. FCC ID : A3LWLM100A / IC :649E-WLM100A Page 83 of 89  Radiated Test Picture(Front) 