EW4DWMW082WIRELESS LAN Module

User Manual MITSUMI WIRELESS LAN MODULE MODEL DWM-W082 The purpose of this manual is to explain correct way how to inte grate module DWM-W082 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 modification s, not expressly approved by the manufacturer could void the authority to operate in these re gions. The MITSUMI WIRELESS LAN MODULE, mod el DWM-W082 has to be in stalled 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 w as authorized. Note that any changes or modifications to this equipment not expressly app roved by the manufacturer could void the user’s authority to operate this equipment. Regulatory Information Operational Information Wireless Interoperability The end product integrating this modue 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 ・ IEEE Std 802.11 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 de vice, however, is less than the electromagnetic energy emitted by other wireless devi ces 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 consen sus of the scientific community and result from deliberations of panels and com mittees of scientists who continually review and interpret the extensive resea rch literature. In some situations or environments, the use of the end product integrating this module may bere stricted 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 provid e reasonable protection agains t harmful interference in a reside ntial installation. This equipment generates, uses, and can radiate radio freque ncy energy. If not installe d and used in accordance with the instructions , it may cause harmful interference to radio communicati ons. 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 b e determined by tuning the e quipment off and on, the user is encouraged to try and correct the interference b y 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 receiv ed, including interfe rence 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 WIRELESS LAN MODULE DWM-W082 labeled as below. FCC ID: EW4DWMW082 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: EW4DWMW082” shall be placed on the outside of final host system. Caution: Exposure to Radio Frequency Radiation. To comply with FCC RF exposure compliance requirements, this device must not be co-located or operating in conjunction with any other antenna or transmitter. This module is for Handheld devices. 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) Thi s device must accept any interference, incl uding interference that may cause undesired operation of this device. L ‘ utilization de ce disposit if 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 radioélectrique reçu, même si ce brouillage est susceptible de compromettre le fomctionnement du dispositif. The term “I C” before the equipment certification number only sig nifies that the Industry Canada technical specifications were met. To reduce potential radio interference to other users, the antenna type and it s gain should be so chosen that the equivale nt isotropic radiated power (EIRP) is not more than that requir…

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Applicant/Grantee Mitsumi Electric Co., Ltd. FCC ID: EW4DWMW082 Section 15.212 Modular Transmitters Request for Modular Approval Request for Limited Modular Approval Requirements EUT Conditions Comply (Y/N) Single Modular Approval Requirements 1 The radio elements of the modular transmitter must have their own shielding. The physical crystal and tuning capacitors may be located external to the shielded radio elements. The device is equipped with Metal shielding to cover RF section. Refer to external photos Y 2 The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with Part 15 requirements under conditions of excessive data rates or over- modulation. All inputs to the device are buffered through logic U1 inputs. Refer to Schematic Diagram. Y 3 The modular transmitter must have its own power supply regulation. The device is equipped with Internal 1.2VDC regulator. Refer to Block Diagram. Y 4 The modular transmitter must comply with the antenna and transmission system requirements of Sections 15.203, 15.204(b) and 15.204(c). The antenna must either be permanently attached or employ a “unique” antenna coupler (at all connections between the module and the antenna, including the cable). The “professional installation” provision of Section 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph (b) of this section. Module contains U.FL connector. The module will go inside final product where the antennas will be integral to the end product, which can be considered permanently attached. Y 5 The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing for compliance with Part 15 requirements. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in Section 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see Section 15.27(a)). The length of these lines shall be the length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall be unmodified and commercially The module has been tested with installed in the specific host. Please refer to the exhibit. N available (see Section 15.31(i)). 6 The modular transmitter must be equipped with either a permanently affixed label or must be capable of electronically displaying its FCC identification number. (A) If using a permanently affixed label, the modular transmitter must be labeled with its own FCC identification number, and, if the FCC identification number 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. This exterior label can use wording such as the following: “Contains Transmitter Module FCC ID: XYZMODEL1” or “Contains FCC ID: XYZMODEL1.” Any similar wording that expresses the same meaning may be used. The Grantee may either provide such a label, an example of which must be included in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be included in the application for equipment authorization. (B) If the modular transmitter uses an electronic display of the FCC identification number, the information must be readily accessible and visible on the modular transmitter or on the device in which it is installed. If the module is installed inside another device, then the outside of the device into which the module is installed must display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains FCC certified transmitter module(s).” Any similar wording that expresses the same meaning may be used. The user manual must include instructions on how to access the electronic display. A copy of these instructions must be included in the application for equipment authorization. The proposed 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: EW4DWMW082” shall be placed on the outside of final host system. Y 7 The modular transmitter must comply with any specific rules or operating requirements that ordinarily apply to a complete transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization. Refer to “User Manual” Exhibit Y 8 The modular transmitter must comply with any applicable RF exposure requirements in its final configuration. The device complies with RF exposure compliance requirement Y A limited modular approval may be granted for single or split modular transmitters that do not comply with all of the above requirements, e.g., shielding, minimum signaling amplitude, buffered modulation/data inputs, or power supply regulation, if the manufacturer can demonstrate by alternative means in the application for equipment authorization that the modular transmitter meets all the applicable Part 15 requirements under the operating conditions in which the transmitter will be used. Limited modular approval also may be granted in those instances where compliance with RF exposure rules is demonstrated only for particular product configurations. The applicant for certification must state how control of the end product into which the module will be installed will be maintained such that full compliance of the end product is always ensured.

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Nitendo Confidential

UL Japan, Inc. Head Office EMC Lab 4383-326 Asama-cho, Ise-shi, Mie 516-0021 Japan T:: +81.596.24.8116 / F:: +81.596.24.8124 / W:: ul.com/jp July 2, 2012 UL CCS 47173 Benicia Street, Fremont, CA 94538 FCC ID: EW4DWMW082 To whom it may concern, We, UL Japan, Inc, hereby declare that WIRELESS LAN Module, model: DWM-W082 (FCC ID: EW4DWMW082) of Mitsumi Electric Co., Ltd. is exempt from RF exposure SAR evaluation as its output power meets the exclusion limits stated in FCC Part 2 §2.1093 and FCC radio frequency (RF) Exposure Guidelines in Supplement C to OET65. SAR testing was excluded because this EUT has the output power of less 60/f [GHz]. Note: 60/f[GHz] = 60/2.45[GHz]= 24.49[mW] Maximum source-based time-averaged maximum output power : 3.55 [mW] Thank you for your attention to this matter. Sincerely, Masanori Nishiyama Leader of Head Office EMC Lab. WiSE Japan UL Verification Service UL Japan, Inc.

NVLAP LAB CODE: 200572-0 This laboratory is accredited by the NVLAP LAB CODE 200572-0, U.S.A. The tests reported herein have been performed in accordance with its terms of accreditation. *As for the range of Accreditation in NVLAP, you may refer to the WEB address, http://www.ul.com/japan/jpn/pages/services/emc/abo ut/mark1/index.jsp#nvlap FCC CFR47 PART 15 SUBPART C INDUSTRY CANADA RSS-210 ISSUE 8 CERTIFICATION TEST REPORT FOR WIRELESS LAN Module MODEL NUMBER: DWM-W082 FCC ID: EW4DWMW082 IC: 4250A-DWMW082 REPORT NUMBER: 32FE0108-HO-01-B-R1 ISSUE DATE: June 27, 2012 Prepared for Mitsumi Electric Co., Ltd. 1601, Sakai, Atsugi-shi, Kanagawa-ken 243, Japan Prepared by UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN TEL: +81 596 24 8116 FAX: +81 596 24 8124 REPORT NO: 32FE0108-HO-01-B-R1 DATE: June 27, 2012 FCC ID: EW4DWMW082 IC: 4250A-DWMW082 Page 2 of 73 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN TEL: +81 596 24 8116 FAX: +81 596 24 8124 This report shall not be reproduced except in full, without the written approval of UL Japan, Inc. Revision History Rev. Issue Date Revisions Revised By -- 02/16/12 Initial Issue M.Nishiyama 1 06/27/12 Addition of the test equipment (MHA-16) *This report is a revised version of 32FE0108-HO- 01-B, which is replaced with this report. M.Nishiyama REPORT NO: 32FE0108-HO-01-B-R1 DATE: June 27, 2012 FCC ID: EW4DWMW082 IC: 4250A-DWMW082 Page 3 of 73 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN TEL: +81 596 24 8116 FAX: +81 596 24 8124 This report shall not be reproduced except in full, without the written approval of UL Japan, Inc. TABLE OF CONTENTS 1. ATTESTATION OF TEST RESULTS ................................................................................. 5 2. TEST METHODOLOGY ..................................................................................................... 6 3. FACILITIES AND ACCREDITATION ................................................................................. 6 4. CALIBRATION AND UNCERTAINTY ................................................................................ 6 4.1. MEASURING INSTRUMENT CALIBRATION ............................................................... 6 4.2. SAMPLE CALCULATION ............................................................................................. 6 4.3. MEASUREMENT UNCERTAINTY................................................................................ 7 5. EQUIPMENT UNDER TEST ............................................................................................... 8 5.1. DESCRIPTION OF EUT ............................................................................................... 8 5.2. MAXIMUM OUTPUT POWER ...................................................................................... 8 5.3 SOFTWARE AND FIRMWARE .................................................................................... 8 5.4 WORST-CASE CONFIGURATIONS ............................................................................ 9 5.5 DESCRIPTION OF TEST SETUP ...............................................................................10 6. ANTENNA PORT TEST RESULTS ...................................................................................14 6.1 802.11b MODE IN THE 2.4 GHz BAND ......................................................................14 6.1.1 dB BANDWIDTH ...................................................................................................14 6.1.2 99% BANDWIDTH ................................................................................................17 6.1.3 OUTPUT POWER ................................................................................................20 6.1.4 AVERAGE POWER ..............................................................................................21 6.1.5 POWER SPECTRAL DENSITY ............................................................................22 6.1.6 CONDUCTED SPURIOUS EMISSIONS ...............................................................25 6.2 802.11g MODE IN THE 2.4 GHz BAND ......................................................................29 6.2.1 6 dB BANDWIDTH ................................................................................................29 6.2.2 99% BANDWIDTH ................................................................................................32 6.2.3 OUTPUT POWER ................................................................................................35 6.2.4 AVERAGE POWER ..............................................................................................36 6.2.5 POWER SPECTRAL DENSITY ............................................................................37 6.2.6 CONDUCTED SPURIOUS EMISSIONS ...............................................................40 7. RADIATED TEST RESULTS .............................................................................................44 7.1 LIMITS AND PROCEDURE .........................................................................................44 7.2 TRANSMITTER ABOVE 1 GHz ...................................................................................45 7.2.1 TX ABOVE 1 GHz FOR 802.11b MODE IN THE 2.4 GHz BAND ..........................45 7.2.2 TX ABOVE 1 GHz FOR 802.11g MODE IN THE 2.4 GHz BAND ..........................51 7.3 RECEIVER ABOVE 1 GHz ..........................................................................................56 7.3.1 RX ABOVE 1 GHz FOR 20 MHz BANDWIDTH IN THE 2.4 GHz BAND ...............56 7.4 WORST-CASE RADIATED EMISSIONS BELOW 1 GHz ............................................57 8 AC POWER LINE CONDUCTED EMISSIONS ..................................................................62 REPORT NO: 32FE0108-HO-01-B-R1 DATE: June 27, 2012 FCC ID: EW4DWMW082 IC: 4250A-DWMW082 Page 4 of 73 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asam…

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REPORT NO: 32FE0108-HO-01-B-R1 DATE: June 27, 2012 FCC ID: EW4DWMW082 IC: 4250A-DWMW082 Page 69 of 73 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN TEL: +81 596 24 8116 FAX: +81 596 24 8124 This report shall not be reproduced except in full, without the written approval of UL Japan, Inc. 10 SETUP PHOTOS RADIATED RF MEASUREMENT SETUP FOR PORTABLE CONFIGURATION X-AXIS FRONT PHOTO X-AXIS BACK PHOTO REPORT NO: 32FE0108-HO-01-B-R1 DATE: June 27, 2012 FCC ID: EW4DWMW082 IC: 4250A-DWMW082 Page 70 of 73 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN TEL: +81 596 24 8116 FAX: +81 596 24 8124 This report shall not be reproduced except in full, without the written approval of UL Japan, Inc. Y-AXIS FRONT PHOTO Y-AXIS BACK PHOTO REPORT NO: 32FE0108-HO-01-B-R1 DATE: June 27, 2012 FCC ID: EW4DWMW082 IC: 4250A-DWMW082 Page 71 of 73 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN TEL: +81 596 24 8116 FAX: +81 596 24 8124 This report shall not be reproduced except in full, without the written approval of UL Japan, Inc. Z-AXIS FRONT PHOTO Z-AXIS BACK PHOTO REPORT NO: 32FE0108-HO-01-B-R1 DATE: June 27, 2012 FCC ID: EW4DWMW082 IC: 4250A-DWMW082 Page 72 of 73 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN TEL: +81 596 24 8116 FAX: +81 596 24 8124 This report shall not be reproduced except in full, without the written approval of UL Japan, Inc. POWERLINE CONDUCTED EMISSIONS MEASUREMENT SETUP LINE CONDUCTED FRONT PHOTO LINE CONDUCTED BACK PHOTO REPORT NO: 32FE0108-HO-01-B-R1 DATE: June 27, 2012 FCC ID: EW4DWMW082 IC: 4250A-DWMW082 Page 73 of 73 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN TEL: +81 596 24 8116 FAX: +81 596 24 8124 This report shall not be reproduced except in full, without the written approval of UL Japan, Inc. END OF REPORT