N8NLSD3WF-2011XWiFi Module

LSD3WF-2011X Wi-Fi Module Product Specification Name： Wi-Fi Module Model： LSD3WF-2011X Revision : v1.1 Index 1. Functional characteristics.......................................................................................................... 3 2. Specifications ............................................................................................................................ 4 3. Hardware layout and interface description ............................................................................... 5 FCC Caution: Any Changes or modifications not expressly approved by the responsible party could void the user’s authority to operate the equipment. FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. To satisfy FCC RF Exposure requirements for this transmission devices, a separation distance of 20 cm or more should be maintained between the antenna of this device and persons during operation. If used in portable product to do SAR evaluation and testing. This equipment 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. OEM Labeling Requirements: NOTICE: The OEM or final integrator must ensure that FCC labeling requirements are met. This includes an additional label on the outside of the final product housing with the following contents: Company Name MODEL: Contains Model: LSD3WF-2011X, FCC ID:N8NLSD3WF-2011X This device complies with Part 15 of the FCC Rules. Operation is subjected 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. 1. Functional characteristics LSD3WF-2011X is high performance and cost effective 802.11b/g/n WLAN USB module. LSD3WF-2011X is embedded with Ralink RT5370 a highly integrated MAC/BBP and 2.4GHz RF single chip with 150Mbps PHY rate supporting. It fully complies with IEEE 802.11n draft 3.0 and IEEE 802.11b/g feature rich wireless connectivity at high standards, cost-effective, throughput from extended distance. Optimized RF architecture and baseband algorithms provide superb performance and low power consumption. LSD3WF-2011X is designed to support standard based features in the areas of security, quality of service and international regulation, giving end users the greatest performance anytime in any circumstance. Feature： ● Host Interface USB2.0； ● 1T1R with up to 150Mbps PHY Data Rate for Both TX and RX ● 2.54mm pitch 4P pin package ● Dimension：40±0.2（L）×20±0.2（W）×4（H） mm ● 20MHz/40MHz Bandwidth Support ● Legacy and High Throughput Modes ● Variety of structures 2.4GHz 50 ω antenna, antenna interface IPX2 ● With Smaller Size Suitable for Compact System Integration ● Low Power Consumption, Extend the Battery Life ● WEP 64/128, WPA, WPA2, TKIP, AES ● QoS --- WMM, WMM-PS ● WPS-PIN, PBC ● Multiple BSSID Support ● Cisco CCX Support ● Operating Systems Support: Windows XP 32/64, Linux and Macintosh ● RoHS Compliant Applications： ● Netbook/ Notebook ● Printer ● Digital Photo Frame/ Camera ● Personal Navigation Device 2. Specifications BLOCK DIAGRAM RF Characteristics（Condition：VCC=3.3V @ +25°C） Feature Description Standards Fully Compliant with IEEE 802.11 b/g/n Standard Frequency Band 2.4～2.4835GHz Channel 11 Frequency Stability < ±5ppm @ Room Temperature +25°C Modulation OFDM/DBPSK/DQPSK/CCK PHY Data Rate Up to 150Mbps Channel Bandwidth 20MHz and 40MHz OFDM Output Power 15dBm (Typ.) @EVM<3%, all channel CCK Spectral Mask @ Pout=18dBm -37dBc(Typ)@11～22MHz -60dBc(Typ)@22～33MHz 2f Harmonics -55dBm(Typ) LO Leakage Peak Power -64dBm(Typ)@ Transmit State Receive Sensitivity -71dBm(Typ)@54MHz OFDM -85dBm(Typ)@11MHz CCK -90dBm(Typ)@1MHz CCK RF Port Impedance 50Ω±10% USB Differential Port Impedance 90Ω±10% Dimension 40±0.2（L）×20±0.2（W）×4（H） mm Absolute Maximum Ratings Parameter Name Min. Ty p . Max. Unit Operating Temperature -10 70 °C Supply Voltage Range: USB VCC 4.5 5.0 5.5 V Storage Temperature Range -55 150 °C 3.Hardware layout and interface description PACKAGE INFORMATION Pin Description： NO. Name Description Nnte 1 5V 5V DC Power Supply Input for Module Circuits 2 D- D- Line of USB2.0 3 D+ D+ Line of USB2.0 4 GND Ground Revision Description Date 1.00（Draft） Draft Revision 2012-03-13 v1.1 Add Mechanical Side View2012-07-03

LSD3WF-2011X Block diagram

Lierda Science& Technology Group Co., Ltd Lierda Building,425 Dengyun Rd Hangzhou 310011 China Telephone: 057189908596 Fax: 057189908623 FCC Authorization Date: 2014-04-15 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, Lierda Science& Technology Group Co., Ltd , the undersigned, Hereby authorizes Bay Area Compliance Laboratories Corporation to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Typed or Printed Name :ArthurGu Title : Product Manager

Modular Approval Letter Date:2014/04/28 The Device,FCC ID :N8NLSD3WF-2011X is seeking FCC authorization as a modular transmitter. The EUT meets the requirement for modular approval as detailed in FCC Public Notice DA00-1407.Compliance to each of the requirements is described below: 1.The modular transmitter have its own RF shielding.Please refer the product photo. 2.The modular transmitter have buffered modulation/data inputs,the input and Output buffer building in the Main IC RT5370. 3.The modular transmitter have its own power supply regulator,DC 4.5~5.5V input should Applicable to the product. 4. The modular transmitter have a I-PEX antenna interface on the PCB. 5.The modular transmitter be tested in a stand-alone configuration=>the modular be supplied by DC power Supply. 6.The mopdular transmitter have a label on the modular`s shielding,labeled with its own FCC ID number:N8NLSD3WF-2011X 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 Yours, Signature: Typed or Printed Name: Arthur Gu Title: Product Manager Lierda Building,425 Dengyun Rd Hangzhou 310011 China Telephone: 057189908596 Fax: 057189908623

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS EUT – All View EUT – Top View EUT – Bottom View

EXHIBIT A - FCC ID LABELING AND LOCATION FCC ID Label Proposed FCC ID Label Location The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925) Label Here

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS EUT – Top Shielding Off View EUT – RF Chip View EUT – Antenna View

LSD3WF-2011X WIFI transceiver Module has a USB connector. The type of data cable are D + and D – ,they connected to communication interface, the power supply voltage of USB port is 5 V, and for chip, it is 3.3 V DC voltage, Crystal frequency is 40 MHz. the output power is through the matching circuit into the antenna . LSD3WF-2011X is high performance and cost effective 802.11b/g/n WLAN USB module. LSD3WF-2011X is embedded with Ralink RT5370 a highly integrated MAC/BBP and 2.4GHz RF single chip with 150Mbps PHY rate supporting. It fully complies with IEEE 802.11n draft 3.0 and IEEE 802.11b/g feature rich wireless connectivity at high standards, cost-effective, throughput from extended distance. Optimized RF architecture and baseband algorithms provide superb performance and low power consumption. LSD3WF-2011X is designed to support standard based features in the areas of security, quality of service and international regulation, giving end users the greatest performance anytime in any circumstance. BLOCK DIAGRAM RF Characteristics（Condition：VCC=3.3V @ +25°C） Feature Description Standards Fully Compliant with IEEE 802.11 b/g/n Standard Frequency Band 2.4～2.4835GHz Channel 11 Frequency Stability < ±5ppm @ Room Temperature +25°C Modulation OFDM/DBPSK/DQPSK/CCK PHY Data Rate Up to 150Mbps Channel Bandwidth 20MHz and 40MHz OFDM Output Power 15dBm (Typ.) @EVM<3%, all channel CCK Spectral Mask @ Pout=18dBm -37dBc(Typ)@11～22MHz -60dBc(Typ)@22～33MHz 2f Harmonics -55dBm(Typ) LO Leakage Peak Power -64dBm(Typ)@ Transmit State Receive Sensitivity -71dBm(Typ)@54MHz OFDM -85dBm(Typ)@11MHz CCK -90dBm(Typ)@1MHz CCK RF Port Impedance 50Ω±10% USB Differential Port Impedance 90Ω±10% Dimension 40±0.2（L）×20±0.2（W）×4（H） mm Absolute Maximum Ratings Parameter Name Min. Ty p . Max. Unit Operating Temperature -10 70 °C Supply Voltage Range: USB VCC 4.5 5.0 5.5 V Storage Temperature Range -55 150 °C PACKAGE INFORMATION

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: R2SH140404054-00 FCC Part 15.247 Page 9 of 58 FCC §15.247 (i) & §1.1310 & §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 = 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); Calculated Data: 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 2412 2 1.58 17.6157.68 20.00 0.01819 1.0 802.11g 2437 2 1.58 15.0632.06 20.00 0.01011 1.0 802.11n20 3437 2 1.58 14.5728.64 20.00 0.00904 1.0 802.11n40 2437 2 1.58 14.6929.44 20.00 0.00929 1.0 Result: The device meet FCC MPE at 20 cm distance

11 22 33 44 55 66 D D C C B B A A UDMUDP PA_OUT UDM UDP WPS# USB I/F and Power3-USB-A.SchDoc PA_OUT UDPUDMWPS# MAC/Transceiver RT53702-RT5370-WLAN.SchDoc PA_OUT Front-End1-FrontEnd.SchDoc WPS# 11 22 33 44 55 66 D D C C B B A A UDM UDP PA_OUT+PA_OUT- 1.2VRF 3.3V 3.3VGND GND GND GND 40M_X2 1.2VA LD1P_ACT E-FUSE GND PA_RF_OUT 1.2VPLL 1.2VRF RFO-20 PLL_VC_CAP LED_RDYG#3.3V 1.2VD 1.2VPLL 1.2VD3.3V VRES GPIO9 GND 40MX1 1.2VD3.3V BG_RES_12K RFO+20 40MX2 1.2VRF 3.3VPA RST_N 1.2VRF 3.3VPA GND 1.5V 1.2VPLL 1.5V 1.2VA 1.2VRF 3.3V GND LED_LKACT# 1.2VRF1 BG_3.3A 1.2VA 1.2VD PA_OUT GND 12 C460.1uF 1 2 C80.5pF 12 C470.1uF 12 C441uF 1 2 L82.2nH 12 C241.2pF 1 2 R10100K 12 C322.2pF 1 2 C281.2pF 12 C2310pF 1 2 D2 LED 12 C421uF 1 2 L622nH 1 2 C1327pF 1 2 L71.5nH 1 2 R2300R 1 2 R6 4.7K 2.5x3.2 12 43 U3 TZ0977B(XTAL/3.2x2.5/40MHz) 12 C37 0.1uF 12 C291.2pF 12 C401uF 1 2 C3033pF RF_INN 1 RF_INP 2 RF_V12A 3 PA_V33P 4 PA_OUTP 5 PA_OUTN 6 PA_V33N 7 PA1_V33A 8 VDD 9 VCCIO 10 RST_N 11 LDO_CORE_VO12 12 LDO_CORE_VI15 13 VDDL 14 PADP 15 PADM 16 VDDA 17 VRES 18 GPIO2 19 GPIO3 20 GPIO8 21 GPIO9 22 GPIO10/FLASH_CSN 23 GPIO11 24 TEST_EN 25 VCCIO 26 LED_ACT_N 27 LED_RDYG_N 28 GPIO0 29 GPIO1 30 GPIO4/EECS 31 GPIO5/EEDI 32 VDD 35 PLL_AVDD_V12A 36 ADC_V12D 38 RF_BB2_V12A 40 BG_RES 41 BG_V33A 42 LDORF_OUT 43 LDOPLL_OUT 45 LDORF_IN 44 PLL_X2 46 PLL_X1 47 PLL_PRE_V12A 48 PLL_VC_CAP 49 VCO_LO_V12A 50 RF_BB1_V12A 51 RF0_LO_V12A 52 GND 53 GPIO6/EESK 33 GPIO7/EEDO 34 PLL_DVDD_V12D 37 ADC_V12A 39 U4 RT5370-QFN52-7.5X5.7 12 C3410pF 1 2 L110 ohm 12 C260.1uF 1 2 R15 4.7K 12 R168.2K 1 2 C22100pF/NI 1 2 L510nH/NC 12 L102.2nH 12 C39 0.1uF 1 2 C3333pF 12 C431uF 1 2 R3 12K 1 2 L9 0 ohm 1 2 C350.1uF 12 C271.2pF 12 C450.1uF 1 2 R9330 12 C2122nF 12 C540.1uF 12 C200.1uF 12 C491uF 12 C361pF 12 C480.1uF UDP UDM PA_OUT GND GND GND GND GND GND 3.3V GND GND 3.3V GND 1.5V GND GND GND GND GND 3.3V 3.3V GND GND 1.2VPLL GND 1.2VRF GND 3.3V 1.2VD GND GND GND 1.5V GND 1.2VA C34 close toIC EEPROM GPIO8 ext_pm_mode GPIO9 E-fuse0(Low) LED_RDYG_N Normal disable 1(High) Boot strapping RF_BIST PIN 17 GND 12 C25NC 12 C380.1uF 12 C1NC 1 2 C2NC 12 34 screen s1SCREEN 11 22 33 44 55 66 D D C C B B A A GND SSW1 FB1 UV+ UDM GND UDP 3.3V1.5V FB2 GND GND UV+ SSW2 1 2 C53 3.3nF 1 2 R21300K 1 2 R1868K 1 2 R19300K 12 C51 4.7uF 12 C574.7uF 12 C524.7uF 1 2 L14VLS2520-4R7M 1 2 C5610nF 1 2 L12VLS2520-4R7M SW1 10 GND1 9 EN1 1 VIN2 3 VIN1 8 SW2 5 GND 11 FB1 2 GND2 4 EN2 6 FB2 7 U7 IT77117 1 2 R20200K UDPUDM 1.5V 3.3V UV+ UV+ GND GND GND GND GND GND Vo=0.6 * ( 1 + R1/R2) R2 R1 1234 J1 1 2 R23 12K EN 12 C55 4.7uF GND 11 22 33 44 55 66 D D C C B B A A GND ANTE1E PA_OUT 12 C61pF/NI 1 2 L110pF 12 C7 NI GND 1 E1 PA_OUT

Note: This test report is 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. This report must not be used by the customer to claim product certification, approval, or endorsement by NVLAP*, or any agency of the Federal Government. * This report may contain data that are not covered by the NVLAP accreditation and shall be marked with an asterisk “★” (Rev.2). This report is 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 Lierda Science& Technology Group Co., Ltd Lierda Building, 425 Dengyun Rd, Hangzhou, 310011 China Report Type: Original Report Product Type: WiFi Module Test En gineer: Allen Qiao Re port Number: R2SH140404054-00 Re port Date: 2014-04-10 Reviewed By: Ivan Cao RF Leader Test Laboratory: Bay Area Compliance Laboratories Corp. (Dongguan) No.69 Pulongcun, Puxinhu Industrial Zone, Tangxia, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn FCC ID: N8NLSD3WF-2011X Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: R2SH140404054-00 FCC Part 15.247 Page 2 of 58 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 ............................................................................................................................................................. 4 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 7 EXTERNAL CABLE ........................................................................................................................................................ 7 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 7 SUMMARY OF TEST RESULTS ............................................................................................................................... 8 FCC §15.247 (i) & §1.1310 & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) ......................................... 9 APPLICABLE STANDARD .............................................................................................................................................. 9 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 10 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 MEASUREMENT UNCERTAINTY .................................................................................................................................. 11 EUT SETUP ................................................................................................................................................................ 11 EMI TEST RECEIVER SETUP ....................................................................................................................................... 12 TEST PROCEDURE ...................................................................................................................................................... 12 CORRECTED AMPLITUDE & MARGIN CALCULATION ................................................................................................. 12 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 13 TEST RESULTS SUMMARY .......................................................................................................................................... 13 TEST DATA ................................................................................................................................................................ 13 FCC §15.209, §15.205 & §15.247(d) - SPURIOUS EMISSIONS ............................................................…

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions - Front View Conducted Emissions – Side View Radiated Emission -Front View (Below 1GHz) Radiated Emission - Rear View (Below 1GHz) Radiated Emission -Front View (Above 1GHz) Radiated Emission - Rear View (Above 1GHz)