S5FSDWF-8BWi-Fi Module

1、Summary SDWF-8B WIFI module is a suitable receiving IEEE802.11b/g/n WLAN receiver. Design of SDWF-8B WIFI module, including RF impedance of antenna, matching, USB port impedance matching, power supply unit. SDWF-8BWIFI module can be USB2.0 or PIN connected to the TV, PC or PDA equipment. This product is of high reliability, strong universality. In terms of electrical performance, stable and reliable work. (see Figure) 2、Technical indicators 2.1 service restrictions Atmospheric pressure： 86kPa～106kPa . temperature limit： -5°C～40°C , Relative humidity：≦90% , 2.2. Electrical characteristics 2.2.1 Transmit power Frequency in 2412MHz (1CH), 2442 MHz (7CH), 2472 MHz (13CH) transmit power value as shown in table 1. Table 1 The transmit power value unit：dBm Protocol transmit power value 802.11b(11M) 16.0±2 802.11g(54M) 14.0±2 802.11n(150M) 13.0±2 2.2.2 EVM Frequency in 2412MHz (1CH), 2442 MHz (7CH), 2472 MHz (13CH) EVM values are shown in table 2. Table 2 EVM value unit：：dB Protocol EVM 802.11b(11M) ＜-22 802.11g(54M) ＜ -25 802.11n(150M) ＜ -25 2.2.3 Frequency accuracy Frequency in 2412MHz (1CH), 2442 MHz (7CH), 2472 MHz (13CH) frequency accuracy as shown in table 3. Table 3 Frequency accuracy unit：：kHz Protocol Frequency accuracy 802.11b(11M) -25 ≤frequency accuracy≤25 802.11g(54M) -25 ≤frequency accuracy≤25 802.11n(150M) -25 ≤ frequency accuracy≤25 2.2.4Sensitivity Frequency in 2412MHz (1CH), 2442 MHz (7CH), 2472 MHz (13CH)Sensitivity as shown in table 4. Ta b l e 4 Sensitivityunit：dBm Protocol sensitivity 802.11b(11M) ≤-76 802.11g(54M) ≤-74 802.11n(150M) ≤-70 2.2.5 Internet experience test In 802.11b/g/n, the distance of router 10m, separated by a wall, playback buffer fast, smooth. 3、SDWF-8B Pin definition and mechanical dimensions 4、Use and repair Electronic products this product belongs to high density, high technology, specifically for TV, PC production plant use, do not use due to mechanical impact and external direct action, the appearance by the damage phenomenon. If the product fails, by professional technicians to repair. Pin Pin name 1 +VCC 2 USB_DM 3 USB_DP 4 GND 5 GND 6 ANT RF 7 ANT GND 13.00 12.00 1.20 4.00 7.50 10.00 1.20 8.50 10.50 7-0.10 7 - R 0 . 4 0 RT8188ETV 12 34 567 13.00 12.00 1.20 4.00 7.50 10.00 1.20 8.50 10.50 7-0.10 7 - R 0 . 4 0 RT8188ETV 12 34 567 RTL8188EUS 5、Special version SDWF-8B/*** is a SDWF-8B product, suffix‘ * * * ’is made by use of manufacturers and other information that has no effect on the product itself. 6、OEM Labeling Requirements NOTICE: The OEM must make sure that FCC labeling requirements are met. This includes a clearly visible exterior label on the outside of the final product housingthatdiplays the contents shown in this label. MANUFACTURERS NAME BRAND NAME OR TRADE NAME Contains FCC ID: S5FSDWF-8B 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. FCC Statement 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. 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. 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.

ChengDu ChengDu ChengDu ChengDuXuGuang XuGuang XuGuang XuGuangTech Tech Tech TechCo., Co., Co., Co.,Ltd. Ltd. Ltd. Ltd. Address: Address: Address: Address:Two Two Two Twosection section section sectionof of of ofpark park park parkRoad Road Road RoadLongquan Longquan Longquan Longquanyi yi yi yiChengdu Chengdu Chengdu ChengduChina China China China Tel: Tel: Tel: Tel:028-848418 848418 848418 84841818, 18, 18, 18,Fax: Fax: Fax: Fax:028- 028- 028- 028-848418 848418 848418 84841818 18 18 18 FCC FCC FCC FCCAuthorization Authorization Authorization Authorization Date:2013-09-10 FEDERALCOMMUNICATIONSCOMMISSIONS AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject: Subject: Subject: Subject:Agent Agent Agent AgentAuthorization Authorization Authorization Authorization Towhomitmayconcern: We,ChengDu ChengDu ChengDu ChengDuXuGuang XuGuang XuGuang XuGuangTech Tech Tech TechCo., Co., Co., Co.,Ltd. Ltd. Ltd. Ltd.theundersigned,HerebyauthorizesBay AreaComplianceLaboratoriesCorp.toactonitsbehalfinallmattersrelatingto applicationforEquipmentauthorization,includingthesigningofalldocumentsrelating tothesematters.AllactscarriedoutbyBayAreaComplianceLaboratoriesCorporation onourbehalfshallhavethesameeffectasourownaction. We,theundersigned,herebycertifythatwearenotsubjecttoadenialoffederalbenefits, thatincludesFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof 1988,21U.S.C.853(a). Thisauthorizationisvaliduntilfurtherwrittennoticefromtheapplicant. SincerelyYours, Signature: TypedorPrintedName:HuaLan Title:Manager

ChengDu ChengDu ChengDu ChengDuXuGuang XuGuang XuGuang XuGuangTech Tech Tech TechCo., Co., Co., Co.,Ltd. Ltd. Ltd. Ltd. Address: Address: Address: Address:Two Two Two Twosection section section sectionof of of ofpark park park parkRoad Road Road RoadLongquan Longquan Longquan Longquanyi yi yi yiChengdu Chengdu Chengdu ChengduChina China China China Tel: Tel: Tel: Tel:028-848418 848418 848418 84841818 18 18 18, , , ,Fax: Fax: Fax: Fax:028- 028- 028- 028-848418 848418 848418 84841818 18 18 18 FCC FCC FCC FCCConfidential Confidential Confidential ConfidentialAuthorization Authorization Authorization Authorization Date:2013-09-10 FEDERALCOMMUNICATIONSCOMMISSIONS AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 ConfidentialityRequestregardingapplicationforcertificationof FCCID:S5FSDWF- S5FSDWF- S5FSDWF- S5FSDWF-8B 8B 8B 8B PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequest confidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: �DetailedCircuitSchematicsofEUT---(Longterm) � CircuitDiagram---(Longterm) �BlockDiagram---(Longterm) Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarily releasedtothepublic.Thepublicdisclosureofthesematerialsmaybeharmfultothe applicantandprovideunjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateofthe Grantforthisapplication. Sincerely, Signature: TypedorPrintedName:HuaLan Title:Manager

ChengDu XuGuang Tech Co., Ltd. Address: Two section of park Road Longquanyi Chengdu China Tel: 028-84841818, Fax: 028-84841818 Modular Approval Letter Date: 2013-09-10 The Device, FCC ID: S5FSDWF-8B is seeking FCC authorization as a modular transmitter. The EUT meets the requirement for modular approval as detailed in FCC Public Notice DA 00-1407. Compliance to each of the requirements is described below: 1) The module has not its own RF shielding, please refer to the external photographs. 2) The modular transmitter have buffered modulation/data inputs, the chip RTL8188EUS is a highly integrated chip with buffer. 3) The modular transmitter have its own power supply regulator, DC 3.3V input should be coverted to 3.3V by the power regulator Circuit. 4) The modular transmitter comply with the antenna requirement of section 15.203 and 15.204(c), the model SDWF-8B/RY has a panel antenna, which was used an SMT connector port. 5) The modular transmitter be tested in a stand-alone configuration, the modular be supplied by dc 3.3V from USB port, and the USB cable longer than 10cm from test the laptop at testing. 6) The modular transmitter have a label on the modular, labeled with its own FCC ID number: S5FSDWF-8B. 7) The modular transmitter comply with any specific rule or operating requirements and the provide adequate instruction along with the module to explain any such requirements. 8) The modular transmitter comply with RF exposure requirements. Sincerely, Signature: Typed or Printed Name: Hua Lan Title: Manager

EXHIBIT B – EUT EXTERNAL PHOTOGRAPHS EUT – Top View EUT – Bottom View EUT on Test fixture View EUT Test Fixe r Antenna

EXHIBIT A – FCC LABELING AND LABEL LOCATION FCC ID Label FCC ID Label Location

EXHIBIT C – EUT INTERNAL PHOTOGRAPHS EUT – Mainboard Top View EUT – Mainboard Bottom View

Chengdu Xuguang Tech Co., Ltd. FCC ID: S5FSDWF-8B Report No.: RSC130912002 Page 11 of 67 FCC Part15.247 Test Report FCC §15.247 (i) & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart 15.247(i)and subpart §1.1310, systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f²) 30 30–300 27.5 0.073 0.2 30 300–1500 / / f/1500 30 1500–100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR² Where: S = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); Mode Frequency (MHz) Antenna Gain Conducted Power Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) (dBi) (numeric)(dBm)(mW) 802.11b 2437 4 2.51 15.4535.08 20 0.281 1.0 802.11g 2462 4 2.51 14.3026.92 20 0.215 1.0 802.11n20 2462 4 2.51 13.2421.09 20 0.169 1.0 802.11n40 2452 4 2.51 12.1816.52 20 0.132 1.0 Result: The device meet FCC MPE at 20 cm distance.

Note: This test report was prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Chengdu) Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. This report was valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. FCC PART 15.247 TEST REPORT For Chengdu Xuguang Tech Co., Ltd. Two Section of Park Road, Longquanyi, Chengdu, Sichuan, China Report Type: Original Report Product Type: Wi-Fi Module Test En gineer: Toby Ren Re port Number: RSC130912002 Re port Date: 2013-09-23 Reviewed By: Henry Ding EMC Engineer Test Laboratory: Bay Area Compliance Laboratories Corp. (Chengdu) 5040, HuiLongWan Plaza, No. 1, ShaWan Road, JinNiu District, ChengDu, China Tel: 028-65523123, Fax: 028-65525125 www.baclcorp.com FCC ID: S5FSDWF-8B Chengdu Xuguang Tech Co., Ltd. FCC ID: S5FSDWF-8B Report No.: RSC130912002 Page 2 of 67 FCC Part15.247 Test Report TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 6 EXTERNAL I/O CABLE .................................................................................................................................................. 7 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 8 SUMMARY OF TEST RESULTS ............................................................................................................................. 10 FCC §15.247 (i) & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) ........................................................ 11 APPLICABLE STANDARD ............................................................................................................................................ 11 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 12 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 13 APPLICABLE STANDARD ............................................................................................................................................ 13 MEASUREMENT UNCERTAINTY .................................................................................................................................. 13 EUT SETUP ................................................................................................................................................................ 13 EMI TEST RECEIVER SETUP ....................................................................................................................................... 14 TEST PROCEDURE ...................................................................................................................................................... 14 CORRECTED AMPLITUDE & MARGIN CALCULATION ................................................................................................. 14 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 15 TEST RESULTS SUMMARY .......................................................................................................................................... 15 TEST DATA ................................................................................................................................................................ 15 FCC §15.209, §15.205 & §15.247(d) - SPURIOUS EMISSIONS ............................................................................. 18 APPLICABLE STANDARD ..................................................................…

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EXHIBIT D – TEST SETUP PHOTOGRAPHS Conducted Emissions Test Setup – Front View Conducted Emissions Test Setup – Side View Spurious Emissions Test Setup - Front View (Below 1GHz) Spurious Emissions Test Setup - Rear View (Below 1GHz) Spurious Emissions Test Setup - Front View (Above 1GHz) Spurious Emissions Test Setup - Rear View (Above 1GHz)