EW4DWMW028Wireless LAN module

Mitsumi Electric Co Ltd

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Application Details

Equipment Class: DTS - Digital Transmission System
Date of Grant: Apr 29, 2010
Application Purpose: Original Equipment
Date of Application: Apr 25, 2010
Equipment Note: Wireless LAN module
Frequency Range: 2412.00000000 - 2472.00000000
Company: Mitsumi Electric Co Ltd
Country: Japan

Documents & Files

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

Nintendo CONFIDENTIAL Nintendo DS CTR Target Board User Manual Nintendo R&E 9 th April 2010 Nintendo CONFIDENTIAL index 1. Overview....................................................................................................................... 3 2. How to connect the camera board ............................................................................... 4 3. How to turn on/off the board........................................................................................ 5 3.1. Turn on .................................................................................................................. 5 3.2. Turn off ..................................................................................................................6 Nintendo CONFIDENTIAL 1. Overview SD Card slot CPU board PMIC board Power Button Codec Board Game card slotHOME button Mother Board Nintendo CONFIDENTIAL 2. How to connect the camera board Step 1 : Remove the nuts of Camera board. Step 2 : install the camera board Step 3 : Screw the nuts Nintendo CONFIDENTIAL 3. How to turn on/off the board 3.1. Turn on Step 1 : Plug the AC adapter for Wii to the board Step 2 : Slide the main power supply switch to the right. Step 3 : Push the power button Nintendo CONFIDENTIAL 3.2. Turn off Step 1 : Push power button for several seconds. Step 2 : Turn off the main power supply switch and plug off the AC adapter :VTLWLVWSLHIV\[PUTH`OH]LZLPa\YLZVYISHJRV\[Z[YPNNLYLKI` SPNO[MSHZOLZVYWH[[LYUZHUK[OPZTH`VJJ\Y^OPSL[OL`HYL^H[JOPUN;=VY WSH`PUN]PKLVNHTLZL]LUPM[OL`OH]LUL]LYOHKHZLPa\YLILMVYL (U`VUL^OVOHZOHKHZLPa\YLSVZZVMH^HYLULZZVYV[OLYZ`TW[VTSPURLK[V HULWPSLW[PJJVUKP[PVUZOV\SKJVUZ\S[HKVJ[VYILMVYLWSH`PUNH]PKLVNHTL 7HYLU[ZZOV\SK^H[JO[OLPYJOPSKYLUWSH`]PKLVNHTLZ:[VWWSH`PUNHUKJVUZ\S[ HKVJ[VYPM`V\VY`V\YJOPSKOHZHU`VM[OLMVSSV^PUNZ`TW[VTZ! 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Users Manual

User Manual MITSUMI WiFi Module MODEL DWM-W028 The purpose of this manual is to explain correct way how to integrate module DWM-W028 to the end product. It includes procedures that shall assist you to avoid unforeseen problems. This manual presents information that shows how module and OEM product, where module integrated, complies with regulations in certain regions. Any modifications, not expressly approved by the manufacturer could void the authority to operate in these regions. The MITSUMI WiFi Module, model DWM-W028 has to be installed and used in accordance with the technical description/installation instructions provided by the manufacturer. For detail information concerning type approval of this module (e.g. where this module is already pre-approved) please contact the authorized local distributor or the manufacturer. The system may only be implemented in the configuration that was authorized. Note that any changes or modifications to this equipment not expressly approved by the manufacturer could void the user’s authority to operate this equipment. Regulatory Information Operational Information Wireless Interoperability The end product integrating this module is designed to be interoperable with any wireless LAN product that is based on direct sequence spread spectrum (DSSS) and orthogonal frequency division multiplexing (OFDM) radio technology and to comply with the following standards.  IEEE Std 802.11b Standard on 2.4GHz Wireless LAN  IEEE Std 802.11g Standard on 2.4GHz Wireless LAN Safety The end product integrating this module, like other radio devices, emits radio frequency electromagnetic energy. The level of energy emitted by this device, however, is less than the electromagnetic energy emitted by other wireless devices such as mobile phones. The end product integrating this module operates within the guidelines found in radio frequency safety standards and recommendations. These standards and recommendations reflect the consensus of the scientific community and result from deliberations of panels and committees of scientists who continually review and interpret the extensive research literature. In some situations or environments, the use of the end product integrating this module may be restricted by the proprietor of the building or responsible representatives of the applicable organization. Examples of such situations include the following:  Using the end product integrating this module onboard airplanes, or  Using the end product integrating this module in any other environment where the risk of interference with other devices or services is perceived or identified as being harmful. If uncertain of the policy that applies to the use of wireless devices in a specific organization or environment (an airplane, for example), ask for authorization to use the end product integrated into this module before turning it on. USA-Federal Communications Commission (FCC) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of 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. If not installed and used in accordance with the instructions, it 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 tuning the equipment off and on, the user is encouraged to try and correct the interference by one or more of the following measures:  Reorient or relocate the receiving antenna.  Increase the distance between the equipment and the receiver.  Connect the equipment to outlet on a circuit different from that to which the receiver is connected.  Consult the dealer or an experienced radio/TV technician for help. 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. Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Labeling MITSUMI WiFi module DWM-W028 labeled as below. FCC ID: EW4DWMW028 The proposed with FCC ID label format is to be placed on the module. If FCC ID is not visible when the module is installed into the system, “Contains FCC ID: EW4DWMW028” shall be placed on the outside of final host system. Caution: Exposure to Radio Frequency Radiation. Minimum 20cm safe separation distance warning required for the module which must comply with RF exposure requirement. Canada-Industry Canada (IC) This device complies with RSS-210 of Industry Canada. Operation is subject to the following two conditions: (1) This device may not cause interference, and (2) This device must accept any interference, including interference that may cause undesired operation of this device. L ‘ utilization de ce dispositif est autorisée seulement aux conditions suivantes : (1) il ne doit pas produire de brouillage et (2) l’ utilisateur du dispositif doit étre prêt à accepter tout brouillage adioélectrique reçu, même si ce brouillage est susceptible de compromettre le fomctionnement du dispositif. The term “IC” before the equipment certification number only signifies that the Industry Canada technical specifications were met. To reduce potential radio interference to other users, only the authorized antenna type and its gain should be so chosen that the equivalent isotropic radiated power (EIRP) is not more than that required for successful communication. To prevent radio interference to the licensed service, this device is intended to be operated indoors and away from windows to p…

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Attestation Statements

Nintendo Co., Ltd. 11-1 Kamitoba Hokotate-cho Minami-ku, Kyoto, Japan Tel: 81 (75) 662-9600 Request for transmitter Limited Modular Approval Transmitter Module Characteristics Item Requirements EUT 1 Yes Have its own RF shielding Device is equipped with Metal shielding to cover RF section. Refer to internal photos of module. 2 Yes Have buffered modulation/data inputs (if such inputs are provided), All inputs to the modules are buffered through logic inputs. Refer to Block Diagram of module. 3 No Have it own power supply regulation 3.3 V and 1.8V regulated DC voltage are fed from the host. Refer to schematics of module. 4 Yes Meet the antenna requirements of Section 15.203 Device is equipped with unique antenna connector( MHFII,producto of I-PEX or U.FL-R-SMT-1(10), product of HIROSE). Refer to external photos and antenna description. 5 No 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 The module plugged into the host which is tested together for limited modular approval. Refer to setup photos.

External Photos

FCC ID: EW4DWMW028 Page 1 of 10 IC: 4250A-DWMW028 External Photos of DWM-W028 Top view (RF module with shield) Top view (RF module without shield) FCC ID: EW4DWMW028 Page 2 of 10 IC: 4250A-DWMW028 Bottom view (RF module) Bottom view (RF module without Label) FCC ID: EW4DWMW028 Page 3 of 10 IC: 4250A-DWMW028 Top view (Nintendo DS CTR TARGET BOARD / assembled completely) Top view (Nintendo DS CTR TARGET BOARD / mother part) Installation location of the module Installation location of the antenna FCC ID: EW4DWMW028 Page 4 of 10 IC: 4250A-DWMW028 Bottom view (Nintendo DS CTR TARGET BOARD / mother part) FCC ID: EW4DWMW028 Page 5 of 10 IC: 4250A-DWMW028 Top view (Nintendo DS CTR TARGET BOARD / Power Management IC part) Bottom view (Nintendo DS CTR TARGET BOARD / Power Management IC part) FCC ID: EW4DWMW028 Page 6 of 10 IC: 4250A-DWMW028 Top view (Nintendo DS CTR TARGET BOARD / Codec IC part) Bottom view (Nintendo DS CTR TARGET BOARD / Codec IC part) FCC ID: EW4DWMW028 Page 7 of 10 IC: 4250A-DWMW028 Top view (Nintendo DS CTR TARGET BOARD / Nand IC part) Bottom view (Nintendo DS CTR TARGET BOARD / Nand IC part) FCC ID: EW4DWMW028 Page 8 of 10 IC: 4250A-DWMW028 Top view (Nintendo DS CTR TARGET BOARD / SoC part) Bottom view (Nintendo DS CTR TARGET BOARD / SoC part) Installation location of the module FCC ID: EW4DWMW028 Page 9 of 10 IC: 4250A-DWMW028 Top view (Nintendo DS CTR TARGET BOARD / SoC part / module removed) Top view (Nintendo DS CTR TARGET BOARD / Camera and Antenna part) Installation location of the antenna FCC ID: EW4DWMW028 Page 10 of 10 IC: 4250A-DWMW028 Bottom view (Nintendo DS CTR TARGET BOARD / Camera and Antenna part) Bottom view (Nintendo DS CTR TARGET BOARD / Camera and Antenna part)

ID Label/Location Info

ＡＡ５０２０

Internal Photos

RF Exposure Info

FCC ID: EW4DWMW028 IC: 4250A-DWMW028 Produkte Products RF Exposure Statement: 12606802 002 Page 1 of 1 Client: Mitsumi Electric Co Ltd 1601, Sakai, Atsugi-shi. Kanagawa-ken 243, Japan Test item: Wireless LAN Module Identification: DWM-W028 According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE). Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Average Time (Minutes) (A) Limits for Occupational/ Control Exposures 300-1500 -/- -/- F/300 6 1500-100,000 -/- -/- 5 6 (B) Limits for General Population/ Uncontrolled Exposures 300-1500 -/- -/- F/1500 30 1500-100,000 -/- -/- 1 30 Friis Formula Friis transmission formula: S = (Pout*G)/(4*Pi*d 2 ) Where S = power density in mW/cm 2 Pout = output power to antenna in mW (see table below) G = gain of antenna in linear scale ( 0.644 linear scale, -1.91dBi) Pi = 3.1416 d = distance between observation point and radiating structure in cm ( =20cm) Radio Frequency (MHz) Output Power to Antenna (mW) Power Density at R = 20 cm (mW/cm 2 ) 802.11 b 2442 6.70 0.0008 802.11 g 2412 30.34 0.0039 The calculated maximum power density has been found to be compliant with the limit set at 1 mW/cm 2 . Please refer to test report 12606802 001 for more details. TÜV Rheinland Japan Ltd. - Global Technology Assessment Center 4-25-2 Kita-Yamata, Tsuzuki-ku, Yokohama 224-0021, Japan

Test Report

FCC ID: EW4DWMW028 IC: 4250A-DWMW028 Produkte Products Prüfbericht - Nr.: Test Report No.: 12606802 001 Seite 2 von 81 Page 2 of 81 TEST SUMMARY 3.2.1 VOLTAGE REQUIREMENTS, FCC 15.31(E) RESULT: PASS 3.2.2 ANTENNA REQUIREMENTS, FCC 15.203, FCC 15.204 AND RSS-GEN 7.1.4 RESULT: PASS 5.1.1 C ONDUCTED OUTPUT POWER AT ANTENNA TERMINALS, FCC 15.247(B)(3) AND RSS-210 A8.4(4) RESULT: PASS 5.1.2 6DB AND 99% BANDWIDTH, FCC 15.247(A)(2) AND RSS-210 A8.2(A) RESULT: PASS 5.1.3 C ONDUCTED SPURIOUS EMISSION, FCC 15.247(D) AND RSS-210 A8.5 RESULT: PASS 5.1.4 PEAK POWER SPECTRAL DENSITY, FCC 15.247(E) AND RSS-210 A8.2(B) RESULT: PASS 6.1.1 MAINS TERMINAL CONTINUOUS DISTURBANCE VOLTAGE OF TRANSMITTER, FCC 15.207 AND RSS-GEN 7.2.2 RESULT: PASS 6.2.1 MAINS TERMINAL CONTINUOUS DISTURBANCE VOLTAGE OF RECEIVER, FCC 15.107 AND RSS-GEN 7.2.2 RESULT: PASS 7.1.1 BAND EDGE RADIATED EMISSION, FCC 15.247(D) AND RSS- 210 2.2 RESULT: PASS 7.1.2 RADIATED EMISSION, OUT-OF-BAND AND SPURIOUS EMISSION, FCC 15.247(D), FCC 15.205, FCC 15.209, RSS-210 2.2, RSS-210 A8.5 AND RSS-GEN 7.2.1 RESULT: PASS 7.2.1 RADIATED EMISSION OF RECEIVER, FCC 15.109, RSS-210 2.2, RSS-210 2.6, RSS-210 A8.5, RSS-GEN 7.2.3.2 RESULT: PASS FCC ID: EW4DWMW028 IC: 4250A-DWMW028 Produkte Products Prüfbericht - Nr.: Test Report No.: 12606802 001 Seite 3 von 81 Page 3 of 81 Contents 1. GENERAL REMARKS............................................................................................... 5 1.1 COMPLEMENTARY MATERIALS................................................................................. 5 2. TEST SITES............................................................................................................ 5 2.1 T EST FACILITIES..................................................................................................... 5 2.2 LIST OF TEST AND MEASUREMENT INSTRUMENTS...................................................... 6 2.3 M EASUREMENT UNCERTAINTY................................................................................. 7 3. GENERAL PRODUCT INFORMATION........................................................................... 8 3.1 PRODUCT FUNCTION AND INTENDED USE.................................................................. 8 3.2 S YSTEM DETAILS.................................................................................................... 8 3.2.1 Voltage Requirements, FCC 15.31(e) .........................................................................................9 3.2.2 Antenna Requirements, FCC 15.203, FCC 15.204 and RSS-Gen 7.1.4.....................................9 3.3 CLOCK FREQUENCIES............................................................................................. 9 3.4 INDEPENDENT OPERATION MODES......................................................................... 10 3.5 NOISE SUPPRESSING PARTS.................................................................................. 11 4. TEST SET-UP AND OPERATION MODES................................................................... 12 4.1 T EST METHODOLOGY............................................................................................ 12 4.2 PHYSICAL CONFIGURATION FOR TESTING............................................................... 13 4.3 TEST OPERATION AND TEST SOFTWARE................................................................. 14 4.4 S PECIAL ACCESSORIES AND AUXILIARY EQUIPMENT............................................... 14 4.5 COUNTERMEASURES TO ACHIEVE EMC COMPLIANCE.............................................. 16 5. T EST RESULTS CONDUCTED TESTING AT ANTENNA PORT........................................ 17 5.1.1 Conducted Output Power at Antenna Terminals, FCC 15.247(b)(3) and RSS-210 A8.4(4) .....17 5.1.2 6dB and 99% Bandwidth, FCC 15.247(a)(2) and RSS-210 A8.2(a)..........................................21 5.1.3 Conducted Spurious Emission, FCC 15.247(d) and RSS-210 A8.5..........................................30 5.1.4 Peak Power Spectral Density, FCC 15.247(e) and RSS-210 A8.2(b).......................................50 6. TEST RESULTS AC MAINS CONDUCTED EMISSION.................................................. 55 6.1 AC MAINS CONDUCTED EMISSION OF TRANSMITTER............................................... 55 6.1.1 Mains Terminal Continuous Disturbance Voltage of Transmitter, FCC 15.207 and RSS-Gen 7.2.2 55 6.2 AC MAINS CONDUCTED EMISSION OF RECEIVER..................................................... 58 6.2.1 Mains Terminal Continuous Disturbance Voltage of Receiver, FCC 15.107 and RSS-Gen 7.2.258 7. TEST RESULTS RADIATED EMISSION...................................................................... 60 7.1 RADIATED EMISSION OF TRANSMITTER................................................................... 60 7.1.1 Band Edge Radiated Emission, FCC 15.247(d) and RSS- 210 2.2 ..........................................60 FCC ID: EW4DWMW028 IC: 4250A-DWMW028 Produkte Products Prüfbericht - Nr.: Test Report No.: 12606802 001 Seite 4 von 81 Page 4 of 81 7.1.2 Radiated Emission, Out-of-Band and Spurious Emission, FCC 15.247(d), FCC 15.205, FCC 15.209, RSS-210 2.2, RSS-210 A8.5 and RSS-Gen 7.2.1.....................................................................65 7.2 RADIATED EMISSION OF RECEIVER......................................................................... 71 7.2.1 Radiated Emission of Receiver, FCC 15.109, RSS-210 2.2, RSS-210 2.6, RSS-210 A8.5, RSS-Gen 7.2.3.2.....................................................................................................................................71 8. PHOTOGRAPHS OF TEST SETUP.............................................................................. 73 9. LIST OF TABLES.................................................................................................... 79 10. L IST OF FIGURES.................................................................................................. 80 11. L IST OF PHOTOGRAPHS..............................…

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Test Setup Photos

FCC ID: EW4DWMW028 IC: 4250A-DWMW028 Produkte Products Prüfbericht - Nr.: Test Report No.: 12606802 001 Seite 73 von 81 Page 73 of 81 8. Photographs of test setup Photograph 1: Set-up for Conducted Emissions at Antenna Port FCC ID: EW4DWMW028 IC: 4250A-DWMW028 Produkte Products Prüfbericht - Nr.: Test Report No.: 12606802 001 Seite 74 von 81 Page 74 of 81 Photograph 2: Set-up for AC Mains Conducted Emission of Transmitter, Front View Photograph 3: Set-up for AC Mains Conducted Emission of Transmitter, Rear View FCC ID: EW4DWMW028 IC: 4250A-DWMW028 Produkte Products Prüfbericht - Nr.: Test Report No.: 12606802 001 Seite 75 von 81 Page 75 of 81 Photograph 4: Set-up for AC Power Line Conducted Emission of Receiver, Front View Photograph 5: Set-up for AC Power Line Conducted Emission of Receiver, Rear View FCC ID: EW4DWMW028 IC: 4250A-DWMW028 Produkte Products Prüfbericht - Nr.: Test Report No.: 12606802 001 Seite 76 von 81 Page 76 of 81 Photograph 6: Set-up for Radiated Emission, EUT Configuration X/Y-Axis Photograph 7: Set-up for Radiated Emission, EUT Configuration Z-Axis FCC ID: EW4DWMW028 IC: 4250A-DWMW028 Produkte Products Prüfbericht - Nr.: Test Report No.: 12606802 001 Seite 77 von 81 Page 77 of 81 Photograph 8: Set-up for Radiated Emission of Transmitter, Front View Photograph 9: Set-up for Radiated Emission of Transmitter, Rear View FCC ID: EW4DWMW028 IC: 4250A-DWMW028 Produkte Products Prüfbericht - Nr.: Test Report No.: 12606802 001 Seite 78 von 81 Page 78 of 81 Photograph 10: Set-up for Radiated Emission of Receiver, Front View Photograph 11: Set-up for Radiated Emission of Receiver, Rear View

Contact Information

Applicant

Masashi Tsuchida

[email protected]81-42-310-5822Fax: 81-42-310-5598

Test Firm

TUV Rheinland Japan Ltd.Thimo Sauter

[email protected]81459140242Fax: 81 45 914 3347

Technical Specifications

#	Rule Parts	Frequency Range	Power Output
2	15C	2.41 GHz - 2.47 GHz	30.30 mW

Modular Type

Limited Single Modular Approval

Confidentiality

Long Term

Grant Notes

Limited Single Modular approval. Output power listed is conducted. This module may only be installed by the OEM or an OEM integrator. Only antenna(s) documented in this filing may be used with this transmitter. OEM integrators and end-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. The antenna(s) used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.