A3LSPWB4319SWLAN Module

Specification REV 0.1 Samsung Electronics 1/17 User Manual SPW-B4319S 802.11b/g/n WLAN Module Specification REV 0.1 Samsung Electronics 2/17 Revision History Revision Date Descriptions 0.1 2011-09-01 Created 0.2 2011-09-26 Update the module picture and table for WLAN Spec. 0.3 2011-10-10 Update the Power Table Specification REV 0.1 Samsung Electronics 3/17 Table of Contents REVISION HISTORY .................................................................................................................. 2 1 GENERAL DESCRIPTION ..................................................................................................... 4 1.1 F UNCTIONAL DESCRIPTION .......................................................................................................... 4 1.2 F EATURES ............................................................................................................................... 4 1.3 A PPLICATIONS .......................................................................................................................... 5 1.4 D IMENSION AND PIN ASSIGNMENTS ............................................................................................... 5 2 OPERATING CONDITIONS .................................................................................................. 7 2.1 M AXIMUM POWER SUPPLY RATING ................................................................................................ 7 2.2 C ONNECTION TO HOST ............................................................................................................. 7 2.3 G ROUND CONNECTION ............................................................................................................... 7 2.4 S TORAGE CONDITION ................................................................................................................ 7 2.5 A BSOLUTE MAXIMUM RATINGS ..................................................................................................... 8 2.6 C URRENT CONSUMPTION ............................................................................................................ 8 3 RF SPECIFICATION ............................................................................................................ 9 3.1 S UPPORTABLE MODULATION SCHEME & DATA RATES ......................................................................... 9 3.2 11 B RF SPECIFICATION ............................................................................................................ 10 3.3 11 G RF SPECIFICATION ...................................................... 오류! 책갈피가 정의되어 있지 않습니다. 3.4 11 N RF SPECIFICATION ...................................................... 오류! 책갈피가 정의되어 있지 않습니다. 3.5 C HANNEL & CENTER FREQUENCY ................................................................................................ 10 Specification REV 0.1 Samsung Electronics 4/17 1 General Description 1.1 Functional Description SPW-B4319S is the low power SDIO module for 802.11b/g/n wireless LAN (WLAN) aimed at embedded applications. SPW-B431U is the SDIO module that adopts a single-chip wireless local area network (WLAN) medium-access controller (MAC) spread-spectrum baseband processor and 2.4 GHz RF radio. SPW-B4319S supports IEEE 802.11b, 802.11g and 802.11n standards, SPW-B4319 supports only 20MHz band width. SPW-B4319 supports 1 Tx and 1 Rx Antenna (1x1, SISO). SPW-B4319 supports 2412 ~ 2462 MHz. SPW-B4319S provides crucial power management functionality and requires only a single 3.3V or 5.0 V supply voltage Figure 1-1 SPW-B4319S 1.2 Features  Wi-Fi compliant  Security: WEP, WPA-PSK, WPA2-PSK, WMM, WMM-PS, TKIP, and AES hardware acceleration  Host interface: SDIO  Low power consumption  Single 3.3V or 5.0 V external supply voltage required Specification REV 0.1 Samsung Electronics 5/17 1.3 Applications  This WLAN module is installed into the Samsung Wi-Fi printer through SDIO interface between this WLAN module and the system board of the Samsung printer set. 1.4 Dimension and Pin Assignments 1.4.1 Mechanical Dimension Figure 1-2 SPW-B4319U WIFI Module (BCM4319) Printer System Board SDIO Interface 3.3V Power Supply Specification REV 0.1 Samsung Electronics 6/17 1.4.2 HOST Interface SDIO Interface : 11 pin Table 1-1 CON1 PIN Description No. Pin Name Description 1 VDD_3.3V 3.3V Power from Host 3 SDIO_CLK Clock for SDIO I/F 5 SDIO_DATA_0 DATA_0 for SDIO I/F 6 SDIO_DATA_1 DATA_1 for SDIO I/F 7 SDIO_DATA_2 DATA_2 for SDIO I/F 8 SDIO_DATA_3 DATA_3 for SDIO I/F 10 SDIO_CMD DATA_4 for SDIO I/F 11 GPIO_0 General Purpose I/O 2,4,9 GND GND Specification REV 0.1 Samsung Electronics 7/17 Operating Conditions 1.5 Maximum Power Supply Rating The supply Voltage of SPW-B4319S is 5V, do follow the Maximum Rating in 3.1. 1.6 Connection to HOST SPW-B4319S will work properly only if connecting to SDIO Interface. 1.7 Ground Connection SPW-B4319S does not need special ground, but uses the ground wire in HOST Interface. 1.8 Storage Condition It needs proper condition for protecting the rust. - Temperature : 0 ~ +50 °C - Humidity : lower level recommended , 25% ~ 65%RH - Max Storage Limit : Within 6 Month from Production Specification REV 0.1 Samsung Electronics 8/17 1.9 Absolute Maximum Ratings Symbol Parameter Conditions Min. Nom. Max. Unit DC supply DC supply voltage from HOST 3.3V applied +3.1 +3.3 +3.5 V 5V applied +4.85+5.0 +5.25 V DC for I/O SDIO Compliant - - - - ESD* Electro-static discharge voltage IEC1000-4~2 POINT: CON1, CON12 AIR 5K V Contact 1K V T S Storage temperature -20 - +85 °C T O Operating temperature 0 - +60 °C * Final specification will be fixed later. 1.10 Current Consumption Symbol Parameter Min. Nom. Max. Unit Current consumption * Transmit current value 11b (Tx pwr: 13 dBm) 250 <300 mA 11g/n (Tx pwr: 14 dBm) 200 <250 mA * It can be different to test condition. Specification REV 0.1 Samsung Electronics 9/17 2 RF Specification All measurements are made under nominal power supply and room temperature…

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Samsung Electronics Co Ltd 18600 Broadwick St. Rancho Dominguez, CA 90220 United States Date: October 18, 2011 Compliance Certification Services Certification Division 47173 Benicia Street Fremont, CA 94538, USA To whom it may concern: I, the undersigned, hereby authorize Ms. Claire Hoque/Application Examiner of Compliance Engineering Services, Inc., d.b.a. Compliance Certification Services and hereafter referred to as CCS, to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Ms. Claire Hoque of CCS on our behalf shall have the same effect as acts of our own. In authorizing CCS as our agent, we still recognize that we are responsible to: a) comply with the relevant provisions of the certification program; b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; f) use certification only to indicate the products are certified as being in conformity with specified standards; g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner;

Samsung Electronics Co Ltd 18600 Broadwick St. Rancho Dominguez, CA 90220 United States Date: October 18, 2011 Compliance Certification Services Certification Division 47173 Benicia Street Fremont, CA 94538, USA LETTER OF AUTHORIZATION We, the undersigned, hereby authorize Harvey Sung of Digital EMC Co., Ltd. to act on our behalf in all manners relating to application for equipment authorization for FCC ID: A3LSPWB4319S including signing of all documents relating to these matters. Any and all acts carried out by Harvey Sung of Digital EMC Co., Ltd. on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from Samsung Electronics Co Ltd Sincerely, Peter Ra General Manager

Samsung Electronics Co Ltd 18600 Broadwick St. Rancho Dominguez, CA 90220 United States Date: October 18, 2011 Compliance Certification Services Certification Division 47173 Benicia Street Fremont, CA 94538, USA RE: Request of Confidentiality for FCCID: A3LSPWB4319S 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 days 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 & SHORT-TERM CONFIDENTIAL LIST Exhibit Description File name PERMANENT 1 Block Diagram Block Diagram_A3LSPWB4319S.pdf 2 Schematics Schematic_A3LSPWB4319S.pdf 3 Part Lists Part List_A3LSPWB4319S.pdf SHORT-TERM 4 External Photos Ext Photo_A3LSPWB4319S.pdf 5 Internal Photos Int Photo_A3LSPWB4319S.pdf 6 Test-Setup Photos Test Photo_A3LSPWB4319S.pdf 7 Operational Description Operational Description_A3LSPWB4319S.pdf 8 User Manual User Manual_A3LSPWB4319S.pdf Note: The pictures on the label location do not require any long term or short term confidentiality. The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be public before the date of the Grant for this application. Sincerely, Peter Ra General Manager

Samsung Electronics Co Ltd 18600 Broadwick St. Rancho Dominguez, CA 90220 United States Compliance Certification Services Certification Division 47173 Benicia Street Fremont, CA 94538, USA October 24, 2011 Modular Approval Attestation for Wireless LAN Module Applicant: Samsung Electronics Co Ltd FCC ID: A3LSPWB4319S No. FCC requirements 1 Have its own RF shielding RF Block shielded by Metal Case 2 Have buffered modulation/data inputs (if such inputs are provided), Yes, the module has buffered data input. 3 The modular transmitter must have its own power supply regulation. We used self own power supply regulation. 4 Meet the antenna requirements of section 15.203 This module uses PCB antenna. This module meets the antenna requirements of section 15.203 5 Be tested in a stand-alone configuration, i.e., the antenna, AC or DC power and data input/output lines must be connected to the module but, the module must not be inside another case during testing Yes, the EUT (module) was tested a stand alone configuration. 6 Be labeled with its own FCC ID number, and if the FCC ID is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. The proposed FCC ID label format is to be placed on the module. If FCC ID label is not visible when module is install into the system, “Contains FCC ID: A3LSPWB4319S” shall be placed on the outside of final product. 7 The modular transmitter is manufactured so that the user can not influence the operation of the transmitter that will operate outside of the scope of the regulations. It complies with specific rules or operating requirements. And instruction is included User manual. 8 Address compliance with the Commission`s RF exposure limits in Sections 1.1310 and 2.1093. In addition, spread spectrum transmitters operation under Section 15.247 are required to address RF exposure compliance in accordance with Section 15.247(b)(4) The exposure condition of this module is compliant with the requirements. Please refer to MPE calculation. Sincerely, Peter Ra General Manager

FCCID: A3LSPWB4319S Copyright Ⓒ 2011, Digital EMC Co., Ltd. View 1 FCCID: A3LSPWB4319S Copyright Ⓒ 2011, Digital EMC Co., Ltd. View 2 FCCID: A3LSPWB4319S Copyright Ⓒ 2011, Digital EMC Co., Ltd. View 3

FCC ID: A3LSPWB4319S Copyright Ⓒ 2011, Digital EMC Co., Ltd. FCC ID SAMPLE LABEL & LOCATION LABELLING REQUIREMENTS PER §2.925 The 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. Label location: rear side of the module - Th e FCC lab el sho wn is representative o f the lab el th at will ap pear on th e radio wh en in production. Other information may also be included on this label. - The device is so sm all that it is not practicable to place the statement specified under 15.19 statement request, the information required by this paragraph shall be placed in a prominent location in the user's manual.

FCCID: A3LSPWB4319S Copyright Ⓒ 2011, Digital EMC Co., Ltd. View 1 FCCID: A3LSPWB4319S Copyright Ⓒ 2011, Digital EMC Co., Ltd. View 2

對外秘對外秘 © Samsun g Electronics Pro p rietar y & Confidential © Samsun g Electronics Pro p rietar y & Confidential Co py ri g ht© 2009 Samsun g Co py ri g ht© 2009 Samsun g Electronics Pro p rietar y & Confidential Electronics Pro p rietar y & Confidential Content Antenna Pattern & MatchingAntenna Test SetupAntenna Test Setup Return Loss MeasurementPattern Test Result Co py ri g ht© 2009 Samsun g Co py ri g ht© 2009 Samsun g Electronics Pro p rietar y & Confidential Electronics Pro p rietar y & Confidential 11 Antenna Patten and Matching Main Antenna Test Point for Main AntennaTest Point for Main Antenna Aux Antenna Test Point for Aux Antenna Co py ri g ht© 2009 Samsun g Co py ri g ht© 2009 Samsun g Electronics Pro p rietar y & Confidential Electronics Pro p rietar y & Confidential 22 Antenna Test Setup Test Setup The antenna measurements were used to the standards anechoic chamber. The chamber size is 7m x 4m x 4m and supports test fre Co py ri g ht© 2009 Samsun g Co py ri g ht© 2009 Samsun g Electronics Pro p rietar y & Confidential Electronics Pro p rietar y & Confidential 33 quencies from 700MHz to 6GHz. Return Loss Measurement Return Loss 사진 Main / Aux Return Loss (S11) Note -11.13dB @ 2412MHz Main Antenna @ -9.80dB @ 2442MHz-8.30dB @ 2472MHz Aux Antenna -12.40dB @ 2412MHz- 13 30dB @ 2442MHz Co py ri g ht© 2009 Samsun g Co py ri g ht© 2009 Samsun g Electronics Pro p rietar y & Confidential Electronics Pro p rietar y & Confidential 44 Aux Antenna - 13 . 30dB @ 2442MHz -11.25dB @ 2472MHz Pattern Test Result Antenna Gain Summary  Main Antenna Freq.(MHz) Vertical Horizon Peak Gain (dBi) Average Gain (dBi) Peak Gain (dBi) Average Gain (dBi) 2412 2.47 -4.43 1.45 -6.52 2442 2.56 -4.14 1.19 -6.93  Aux Antenna 2472 3.05 -3.38 1.25 -6.70 Freq.(MHz) Vertical Horizon Peak Gain (dBi) Average Gain (dBi) Peak Gain (dBi) Average Gain (dBi) 2412 -2.41 -2.41 -1.21 -6.24 2442 -1.36 -1.36 -0.25 -5.35 2472 027 027 050 438 Co py ri g ht© 2009 Samsun g Co py ri g ht© 2009 Samsun g Electronics Pro p rietar y & Confidential Electronics Pro p rietar y & Confidential 55 2472 - 0 . 27 - 0 . 27 0 . 50 - 4 . 38 Main Antenna @ 2412MHz 3D Radiation Pattern Co py ri g ht© 2009 Samsun g Co py ri g ht© 2009 Samsun g Electronics Pro p rietar y & Confidential Electronics Pro p rietar y & Confidential 66 Main Antenna @ 2442MHz 3D Radiation Pattern Co py ri g ht© 2009 Samsun g Co py ri g ht© 2009 Samsun g Electronics Pro p rietar y & Confidential Electronics Pro p rietar y & Confidential 77 Main Antenna @ 2472MHz 3D Radiation Pattern Co py ri g ht© 2009 Samsun g Co py ri g ht© 2009 Samsun g Electronics Pro p rietar y & Confidential Electronics Pro p rietar y & Confidential 88 Aux Antenna @ 2412MHz 3D Radiation Pattern Co py ri g ht© 2009 Samsun g Co py ri g ht© 2009 Samsun g Electronics Pro p rietar y & Confidential Electronics Pro p rietar y & Confidential 99 Aux Antenna @ 2442MHz 3D Radiation Pattern Co py ri g ht© 2009 Samsun g Co py ri g ht© 2009 Samsun g Electronics Pro p rietar y & Confidential Electronics Pro p rietar y & Confidential 1010 Aux Antenna @ 2472MHz 3D Radiation Pattern Co py ri g ht© 2009 Samsun g Co py ri g ht© 2009 Samsun g Electronics Pro p rietar y & Confidential Electronics Pro p rietar y & Confidential 1111

Specification REV 0.1 Samsung Electronics 1/17 User Manual SPW-B4319S 802.11b/g/n WLAN Module Specification REV 0.1 Samsung Electronics 2/17 Revision History Revision Date Descriptions 0.1 2011-09-01 Created 0.2 2011-09-26 Update the module picture and table for WLAN Spec. 0.3 2011-10-10 Update the Power Table Specification REV 0.1 Samsung Electronics 3/17 Table of Contents REVISION HISTORY .................................................................................................................. 2 1 GENERAL DESCRIPTION ..................................................................................................... 4 1.1 F UNCTIONAL DESCRIPTION .......................................................................................................... 4 1.2 F EATURES ............................................................................................................................... 4 1.3 A PPLICATIONS .......................................................................................................................... 5 1.4 D IMENSION AND PIN ASSIGNMENTS ............................................................................................... 5 2 OPERATING CONDITIONS .................................................................................................. 7 2.1 M AXIMUM POWER SUPPLY RATING ................................................................................................ 7 2.2 C ONNECTION TO HOST ............................................................................................................. 7 2.3 G ROUND CONNECTION ............................................................................................................... 7 2.4 S TORAGE CONDITION ................................................................................................................ 7 2.5 A BSOLUTE MAXIMUM RATINGS ..................................................................................................... 8 2.6 C URRENT CONSUMPTION ............................................................................................................ 8 3 RF SPECIFICATION ............................................................................................................ 9 3.1 S UPPORTABLE MODULATION SCHEME & DATA RATES ......................................................................... 9 3.2 11 B RF SPECIFICATION ............................................................................................................ 10 3.3 11 G RF SPECIFICATION ...................................................... 오류! 책갈피가 정의되어 있지 않습니다. 3.4 11 N RF SPECIFICATION ...................................................... 오류! 책갈피가 정의되어 있지 않습니다. 3.5 C HANNEL & CENTER FREQUENCY ................................................................................................ 10 Specification REV 0.1 Samsung Electronics 4/17 1 General Description 1.1 Functional Description SPW-B4319S is the low power SDIO module for 802.11b/g/n wireless LAN (WLAN) aimed at embedded applications. SPW-B431U is the SDIO module that adopts a single-chip wireless local area network (WLAN) medium-access controller (MAC) spread-spectrum baseband processor and 2.4 GHz RF radio. SPW-B4319S supports IEEE 802.11b, 802.11g and 802.11n standards, SPW-B4319 supports only 20MHz band width. SPW-B4319 supports 1 Tx and 1 Rx Antenna (1x1, SISO). SPW-B4319 supports 2412 ~ 2462 MHz. SPW-B4319S provides crucial power management functionality and requires only a single 3.3V or 5.0 V supply voltage Figure 1-1 SPW-B4319S 1.2 Features  Wi-Fi compliant  Security: WEP, WPA-PSK, WPA2-PSK, WMM, WMM-PS, TKIP, and AES hardware acceleration  Host interface: SDIO  Low power consumption  Single 3.3V or 5.0 V external supply voltage required Specification REV 0.1 Samsung Electronics 5/17 1.3 Applications  This WLAN module is installed into the Samsung Wi-Fi printer through SDIO interface between this WLAN module and the system board of the Samsung printer set. 1.4 Dimension and Pin Assignments 1.4.1 Mechanical Dimension Figure 1-2 SPW-B4319U WIFI Module (BCM4319) Printer System Board SDIO Interface 3.3V Power Supply Specification REV 0.1 Samsung Electronics 6/17 1.4.2 HOST Interface SDIO Interface : 11 pin Table 1-1 CON1 PIN Description No. Pin Name Description 1 VDD_3.3V 3.3V Power from Host 3 SDIO_CLK Clock for SDIO I/F 5 SDIO_DATA_0 DATA_0 for SDIO I/F 6 SDIO_DATA_1 DATA_1 for SDIO I/F 7 SDIO_DATA_2 DATA_2 for SDIO I/F 8 SDIO_DATA_3 DATA_3 for SDIO I/F 10 SDIO_CMD DATA_4 for SDIO I/F 11 GPIO_0 General Purpose I/O 2,4,9 GND GND Specification REV 0.1 Samsung Electronics 7/17 Operating Conditions 1.5 Maximum Power Supply Rating The supply Voltage of SPW-B4319S is 5V, do follow the Maximum Rating in 3.1. 1.6 Connection to HOST SPW-B4319S will work properly only if connecting to SDIO Interface. 1.7 Ground Connection SPW-B4319S does not need special ground, but uses the ground wire in HOST Interface. 1.8 Storage Condition It needs proper condition for protecting the rust. - Temperature : 0 ~ +50 °C - Humidity : lower level recommended , 25% ~ 65%RH - Max Storage Limit : Within 6 Month from Production Specification REV 0.1 Samsung Electronics 8/17 1.9 Absolute Maximum Ratings Symbol Parameter Conditions Min. Nom. Max. Unit DC supply DC supply voltage from HOST 3.3V applied +3.1 +3.3 +3.5 V 5V applied +4.85+5.0 +5.25 V DC for I/O SDIO Compliant - - - - ESD* Electro-static discharge voltage IEC1000-4~2 POINT: CON1, CON12 AIR 5K V Contact 1K V T S Storage temperature -20 - +85 °C T O Operating temperature 0 - +60 °C * Final specification will be fixed later. 1.10 Current Consumption Symbol Parameter Min. Nom. Max. Unit Current consumption * Transmit current value 11b (Tx pwr: 13 dBm) 250 <300 mA 11g/n (Tx pwr: 14 dBm) 200 <250 mA * It can be different to test condition. Specification REV 0.1 Samsung Electronics 9/17 2 RF Specification All measurements are made under nominal power supply and room temperature…

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-~ - - The MPE calculation for this exposure is shown below. The peak radiated output power (EIRP) is calculated as follows: ▪=+- =+ = - ▪S=- =X = - FCCID: A3LSPWB4319S MPE Calculations(WLAN: 802.11b) Frequency range :2412MHz2462MHz Maximum RF output power :13.25dBm Maximum antenna peak gain :3.05dBi The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the user. EIRPPGNote 13.25dBm3.05dBiP = Power input to the antenna(dBm) 16.3dBmG = Power gain of the antenna(dBi) Power density at the specific separation P G / ( 4 R 2 π ) Note 21.1352.018 / ( 4 X 20 2 X π )S = Maximum power dencity(mW/cm 2 ) 0.00849 mW/cm 2 P = Power input to the antenna(mW) The power desity at 20cm does not exceed the 1.0mW/cm 2 . G = Numeric power gain of the antenna R = Distance to the center of the radiation of the antenna(20cm) Conclusion : The exposure condition of this device is compliant with FCC rules. The maximum permissible exposure(MPE) of the general population/Uncontrolled for this device is 1.0 mW/cm 2 . TRF-RF-206(00)100216 -~ - - The MPE calculation for this exposure is shown below. The peak radiated output power (EIRP) is calculated as follows: ▪=+- =+ = - ▪S=- =X = - FCCID: A3LSPWB4319S MPE Calculations(WLAN: 802.11g) Frequency range :2412MHz2462MHz Maximum RF output power :24.23dBm Maximum antenna peak gain :3.05dBi The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the user. EIRPPGNote 24.23dBm3.05dBiP = Power input to the antenna(dBm) 27.28dBmG = Power gain of the antenna(dBi) Power density at the specific separation P G / ( 4 R 2 π ) Note 264.852.018 / ( 4 X 20 2 X π )S = Maximum power dencity(mW/cm 2 ) 0.10635 mW/cm 2 P = Power input to the antenna(mW) The power desity at 20cm does not exceed the 1.0mW/cm 2 . G = Numeric power gain of the antenna R = Distance to the center of the radiation of the antenna(20cm) Conclusion : The exposure condition of this device is compliant with FCC rules. The maximum permissible exposure(MPE) of the general population/Uncontrolled for this device is 1.0 mW/cm 2 . TRF-RF-206(00)100216 -~ - - The MPE calculation for this exposure is shown below. The peak radiated output power (EIRP) is calculated as follows: ▪=+- =+ = - ▪S=- =X = The power desity at 20cm does not exceed the 1.0mW/cm 2 . G = Numeric power gain of the antenna R = Distance to the center of the radiation of the antenna(20cm) Conclusion : The exposure condition of this device is compliant with FCC rules. The maximum permissible exposure(MPE) of the general population/Uncontrolled for this device is 1.0 mW/cm 2 . 224.912.018 / ( 4 X 20 2 X π )S = Maximum power dencity(mW/cm 2 ) 0.09031 mW/cm 2 P = Power input to the antenna(mW) P = Power input to the antenna(dBm) 26.57dBmG = Power gain of the antenna(dBi) Power density at the specific separation P G / ( 4 R 2 π ) Note The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the user. EIRPPGNote 23.52dBm3.05dBi Maximum RF output power :23.52dBm Maximum antenna peak gain :3.05dBi - FCCID: A3LSPWB4319S MPE Calculations(WLAN: 802.11n) Frequency range :2412MHz2462MHz TRF-RF-206(00)100216

1109-01314 DRTFCC1110-0370 TRF-RF-201(02)100714 Page 2 / 64 Copyright ○ C 2011, Digital EMC Co., Ltd. CONTENTS 1. Equipment information .............................................................. 3 1.1 Equipment description ............................................................. 3 1.2 Ancillary equipment ................................................................. 3 2. Information about test items ..................................................... 4 2.1 Test mode ................................................................................ 4 2.2 Auxiliary equipment ................................................................. 4 2.3 Tested frequency ..................................................................... 4 2.4 Tested environment ................................................................. 4 2.5 EMI Suppression Device(s)/Modifications ............................... 4 3. Test Report ................................................................................. 5 3.1 Summary of tests .................................................................... 5 3.2 Transmitter requirements ........................................................ 6 3.2.1 6 dB Bandwidth ................................................................... 6 3.2.2 Peak Output Power ........................................................... 13 3.2.3 Out of Band Emissions / Band Edge ................................. 14 3.2.4 Out of band Emission – Radiated ..................................... 24 3.2.5 Transmitter Power Spectral Density .................................. 28 3.2.6 AC Conducted Emissions .................................................. 35 3.2.7 Antenna Requirements ...................................................... 42 3.3 Receiver requirements .......................................................... 50 3.3.1 AC Conducted Emissions (Receiver Mode) ...................... 50 3.3.2 Out of Band Emissions – Radiated (Receiver Mode) ........ 57 APPENDIX..................................................................................... 61 1109-01314 DRTFCC1110-0370 TRF-RF-201(02)100714 Page 3 / 64 Copyright ○ C 2011, Digital EMC Co., Ltd. 1. Equipment information 1.1 Equipment description FCC Equipment Class Digital Transmission System (DTS) Equipment type WLAN Module Equipment model name SPW-B4319S Equipment add model name N/A Equipment serial no. Identical prototype Frequency band 2412 ~ 2462 MHz Modulation type 802.11b: DSSS(CCK, DQPSK, DBPSK) 802.11g: OFDM(64QAM, QPSK, BPSK) 802.11n (HT20): OFDM(64QAM, 16QAM, QPSK, BPSK) Channel Access Protocol CSMA/CA Channel Spacing 5.0 MHz Antenna type Internal Type: PCB antenna (Max. Peak Gain: 3.05 dBi) Power Supply DC 3.3 V 1.2 Ancillary equipment Equipment Model No. Serial No. Manufacturer Note - - - - - - - - - - 1109-01314 DRTFCC1110-0370 TRF-RF-201(02)100714 Page 4 / 64 Copyright ○ C 2011, Digital EMC Co., Ltd. 2. Information about test items 2.1 Test mode 1. This device was tested in below worst case data rate mode with maximum power. And the worst case data are reported. Test Case 1 802.11b 1Mbps Test Case 2 802.11g 6Mbps Test Case 3 802.11n(HT20) MCS0 2.2 Auxiliary equipment Equipment Model No. Serial No. Manufacturer Note Notebook NT-Q35P-PR1 498H93BL400033F SAMSUNG - - - - - - 2.3 Tested frequency TX Frequency (MHz) RX Frequency (MHz) Lowest Channel 2412 2412 Middle Channel 2437 2437 Highest Channel 2462 2462 2.4 Tested environment Temperature : 22 ~ 25 o C Relative humidity content : 30 ~ 43 % R.H. Details of power supply :DC 3.3 V 2.5 EMI Suppression Device(s)/Modifications EMI suppression device(s) added and/or modificati…

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