I88B-120802.11b Mobile Module

Wireless LAN Utility User's Guide Version 2.0 September 2003 Note to OEMs: ZyXEL provides this document as a sample User’s Guide. This User’s Guide may require customization to reflect your own company name, product name and/or document style. Possible words you may want to change: OEM, WLAN Adapter, WLAN Utility Wireless LAN Utility ii Copyright Copyright Copyright ©2003 by the Original Equipment Manufacturer (OEM) The contents of this publication may not be reproduced in any part or as a whole, transcribed, stored in a retrieval system, translated into any language, or transmitted in any form or by any means, electronic, mechanical, magnetic, optical, chemical, photocopying, manual, or otherwise, without the prior written permission of the OEM. Published by the OEM. All rights reserved. Disclaimer The OEM does not assume any liability arising out of the application or use of any products, or software described herein. Neither does it convey any license under its patent rights nor the patents' rights of others. The OEM further reserves the right to make changes in any products described herein without notice. This publication is subject to change without notice. Trademarks Trademarks mentioned in this publication are used for identification purposes only and may be properties of their respective owners. Wireless LAN Utility Limited Warranty iii Limited Warranty Wireless LAN Utility iv Information for Canadian Users Information for Canadian Users The Industry Canada label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective operation and safety requirements. The Industry Canada does not guarantee that the equipment will operate to a user's satisfaction. Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the local telecommunications company. The equipment must also be installed using an acceptable method of connection. In some cases, the company's inside wiring associated with a single line individual service may be extended by means of a certified connector assembly. The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations. Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier. Any repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equipment. For their own protection, users should ensure that the electrical ground connections of the power utility, telephone lines, and internal metallic water pipe system, if present, are connected together. This precaution may be particularly important in rural areas. Caution Users should not attempt to make such connections themselves, but should contact the appropriate electrical inspection authority, or electrician, as appropriate. Note This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the radio interference regulations of Industry. Wireless LAN Utility FCC Statement v Federal Communications Commission (FCC) Interference Statement This device complies with Part 15 of FCC rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference. 2. This device must accept any interference received, including interference that may cause undesired operations. This equipment has been tested and found to comply with the limits for a CLASS B digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. If this equipment does cause harmful interference to radio/television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and the receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Caution This device is intended only for OEM integrators under the following conditions: 1. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. In order to avoid the possibility of exceeding the FCC radio frequency exposure limits, human proximity to the antenna (installed to end product) shall not be less than 20 cm (8 inches) during normal operation. 2. This Transmitter must not be co-located or operating in conjunction with any other antenna or transmitter As long as the 2 conditions above are met, further transmitter testing will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed (for example, digital device emission, PC peripheral requirements, etc.). Notice 1 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Additional Information to OEM Integrators Wireless LAN Utility vi FCC Statement The end user should NOT be provided any instructions on how to remove or install the device. End Product Labeling This transmitter module is authorized only for use in devices where the antenna may be installed such that 20 cm may be maintained between the antenna and users (for example access points, routers, wireless ASDL modems, and similar equipment). The final end product must be labeled in a v…

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Compliance Information Product Name: Wireless Lan PC card Model Number: B-120 This above subject device (Wireless Lan PC Card-Model: B-120) 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 undersired operation. FCC liaison office information in US: Office: ZyXEL Communications Inc., Tel: +1-714-632-0882 Fax: +1-714-632-0858 E-Mail: [email protected]

FCC ID: I88B-120 Date: Sep. 29, 2003 Modular Approval Request Letter Dear Sir, There’s a Wireless Lan PC Card that would like to have your authorization as a modular approval. The specific product as below, Wireless Lan PC Card, with its designed features and specified description, meets special requirements for full modular approval on FCC Public Notice DA 00-1407 by cross-reference list below. Company : ZyXEL Communications Corporation Model Name : Wireless Lan PC Card Model Number : B-120 FCC ID : I88B-120 Requirement of Public Notice DA00-1407 Reference to B-120 1. The modular transmitter must have its own RF shielding. The module has its own RF shielding. Please see external photo.pdf 2. The modular transmitter must have buffered modulation/data inputs. The modular has buffered data inputs. Please see diagram.pdf 3. The modular transmitter must have its own power supply regulation. All power lines derived from the host device are regulated before energizing other circuits internal to the B-120. Please see circuit.pdf 4. The modular transmitter must comply with the antenna requirements of Section 15.203 and 15.204(c). The B-120 meets the FCC antenna requirements. Please see external photo.pdf 5. The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing. The B-120 was tested in a stand-alone configuration via a PCMCIA extender. Please see conducted set-up photo.pdf and spurious set-up photo.pdf 6. The modular transmitter must 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 label position of B-120 is clearly indicated. Please see the label.pdf 7. The modular transmitter must comply with any specific rule or operating requirements applicable to the 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. The B-120 is compliant with all applicable FCC rules. Detail instructions are given in the Users Manual. Please see Installation guide.pdf 8. The modular transmitter must comply with any applicable RF exposure requirements. For example, FCC Rules in Sections 2.1091, 2.1093 and specific Sections of Part 15, including 15.319(i), 15.407(f), 15.253(f) and 15.255(g), require that Unlicensed PCS, UNII and millimeter wave devices perform routine environmental evaluation for RF Exposure to demonstrate compliance. In addition, spread spectrum transmitters operating under Section 15.247 are required to address RF Exposure compliance in accordance with Section 15.247(b)(4). The B-120 comply with applicable RF exposure requirements. Please see RF safety evaluation. pdf Yours sincerely, Elton Chen Assistant Manager Intertek Testing Service Taiwan Ltd.

American Telecommunications Certification Body Inc. 6731 Whittier Ave, McLean, VA 22101 October 7, 2003 RE: ZyTel Communications Corporation FCC ID: I88B120 I have a few comments on this Application. 1.) Unless the marketing of this device will be restricted to OEM integrators only, this PCMCIA form factor device is considered, according to latest RF Exposure interpretations, an RF category “Portable” device. Since the power is above 60mW/f(GHz), a SAR report will be required. Please submit at your earliest convenience. As a caution, please remember that RF category “Portable” equipment are not eligible for full modular approval. 2.) Please explain why approval as a Modular device is being sought. 3.) The Manual will have to be altered to remove the 20cm restriction. This is incompatible with RF category “Portable” Applications which include a SAR report. 4.) Please also note that general purpose WLAN cards are not appropriate for Class A limits. The Test Report indicates Class B limits, but the Manual incorrectly quotes Class A. 5.) Is this device to be used by OEM integrators only? Please see Manual. 6.) Is this device capable of transmission on 802.11b channels 12 and 13? Please explain. 7.) FYI: Depending on your response to the above questions, additional requests for information may be required. William H. Graff President and Examining Engineer mailto: [email protected] The items indicated above must be submitted before processing can continue on the above referenced application. Failure to provide the requested information may result in application termination. Correspondence should be considered part of the permanent submission and may be viewed from the Internet after a Grant of Equipment Authorization is issued. Please do not respond to this correspondence using the email reply button. In order for your response to be processed expeditiously, you must submit your documents through the AmericanTCB.com website. Also, please note that partial responses increase processing time and should not be submitted. Any questions about the content of this correspondence should be directed to the sender.

American Telecommunications Certification Body Inc. 6731 Whittier Ave, McLean, VA 22101 October 24, 2003 FCC ID: I88B-120 This filing is in response to the Applicant’s desire to offer an RF category “Mobile” PCMCIA form factor WLAN 802.11b transmitter. An electrically identical transmitter under FCC ID: I88B120 has been Granted as an RF category “Portable” PCMCIA device which included a SAR report. Applicant desired to offer this product as a “Mobile Module” under the Class II PC procedure. This was rejected. A new filing under FCC ID: I88B-120 was then submitted. The Applicant has been instructed that FCC ID: I88B-120 must only be offered to OEM integrators and cannot be offered for sale to the general public William H. Graff President and Examining Engineer

Photo 1: Exterior photo of EUT Photo 2: Exterior photo of EUT Photo 3: Exterior photo of EUT B-120 Photo 4: Exterior photo of EUT B-120

FCC ID Label Location

Photo 1: Interior photo of EUT B-120 Photo 2: Interior photo of EUT B-120 Photo 3: Interior photo of EUT B-120 Photo 4: Interior photo of EUT B-120 Photo 5: Interior photo of EUT B-120 Photo 6: Interior photo of EUT B-120 Photo 7: Interior photo of EUT B-120

FCC ID. : I88B-120 Report No.: EME-031072 Page 1 of 5 Maximum Permissible Exposure (MPE) Evaluation Report Report No. : EME-031072 Model No. : B-120 Issued Date : Sep. 25, 2003 Applicant : ZyXEL Communications Corporation No. 6, Innovation Rd II, Science-Based Industrial Park, Hsin-Chu, Taiwan Test By : Intertek Testing Services Taiwan Ltd. No. 11, Lane 275, Ko-Nan 1 Street, Chia-Tung Li, Shiang-Shan District, Hsinchu City, Taiwan This test report consists of 5 pages in total. It may be duplicated completely for legal use with the allowance of the applicant. It shall not be reproduced except in full, without the written approval of ITS Laboratory. The test result in this report only applies to the tested sample. Jerry Liu Project Engineer Reviewed By Elton Chen FCC ID. : I88B-120 Report No.: EME-031072 Page 2 of 5 Table of Contents Summary of Tests.........................................................................................................3 1. Introduction..............................................................................................................4 2. RF Exposure Limit...................................................................................................4 3. RF Exposure calculations..........................................................................................5 4. Test results................................................................................................................5 FCC ID. : I88B-120 Report No.: EME-031072 Page 3 of 5 Summary of Tests MPE Evaluation meet FCC OET No. 65: 1997/ IEEE C95.1-1999 Wireless Lan PC Card-Model: B-120 FCC ID: I88B-120 Test Reference Results MPE Evaluation FCC Guidelines for Human Exposure IEEE C95.1 Complies FCC ID. : I88B-120 Report No.: EME-031072 Page 4 of 5 1. Introduction The EUT operates in the 2.4GHz ISM band. Due to the EUT (include antenna) at its normal operation distance is at least 20 cm from the human body, the EUT was defined as a Mobile Device. The EUT operates in the 2.4GHz ISM band. The EUT (antenna included) is compliant with modular approval and the normal operation distance (after installing in other device, such as router or access point), 20cm from the human body; therefore, the EUT is defined as a Mobile Device. The reason to do the MPE Evaluation is to avoid the RF hazard to human body. The maximum output power and gain of the antenna were used to calculate the limited Power density (S) at 20cm distance away from the product. The limit for Maximum Permissible Exposure (MPE) specified in FCC 1.1310 is followed. 2. RF Exposure Limit According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environmental 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 30-300 61.4 0.163 1.0 6 300-1500 - - F/300 6 1500-100,000 - - 5 6 (B) Limits for General Population / Uncontrolled Exposure 30-300 27.5 0.073 0.2 30 300-1500 - - F/1500 30 1500-100,000 - - 1.0 30 F= Frequency in MHz FCC ID. : I88B-120 Report No.: EME-031072 Page 5 of 5 3. RF Exposure calculations From § FCC 1.1310 table 1, the maximum permissible RF exposure for an uncontrolled environment is 1mW/(cm 2 ) Power density (S) is calculated by the following formula: S = (P * G)/4πR 2 where, S = Power density (mW/cm 2 ) P = Output power to antenna (mW) R = Distance between radiating structure and observation point (cm) G = Gain of antenna in numeric π = 3.1416 Example: Assume a mobile device operates at 2412MHz and its maximum output power is 50mW, and the maximum gain of antenna is 1 (numeric) /0dBi. then the power density (S) = (50 * 1)/4* π *20 2 = 0.00995 (mW/cm 2 ) 4. Test results Channel Channel Frequency (MHz) Maximum antenna gain (numeric) Output power to antenna (mW) Power density (mW/cm 2 ) Limit of power density (mW/cm 2 ) 1 2412 1.78 51.523 0.0182 1.0 6 2437 1.78 54.702 0.0194 1.0 11 2462 1.78 50.003 0.0177 1.0 The Notice in Installation Manual has been stated as below: While installing and operating this transmitter, the radio frequency exposure limit of 1mW/(cm*cm) may be exceeded at distances close to the transmitter. therefore, the user must maintain a minimum distance of 20 cm from the device at all time.

FCC ID. : I88B-120 Report No.: EME-031072 Page 1 of 42 EMC TEST REPORT Report No. : EME-031072 Model No. : B-120 Issued Date : Sep. 25, 2003 Applicant : ZyXEL Communications Corporation No. 6, Innovation Rd II, Science-Based Industrial Park, Hsin-Chu, Taiwan Test By : Intertek Testing Services Taiwan Ltd. No. 11, Lane 275, Ko-Nan 1 Street, Chia-Tung Li, Shiang-Shan District, Hsinchu City, Taiwan This test report consists of 42 pages in total. It may be duplicated completely for legal use with the allowance of the applicant. It shall not be reproduced except in full, without the written approval of Intertek Laboratory. The test result in this report only applies to the tested sample. Jerry Liu Project Engineer Reviewed By Elton Chen FCC ID. : I88B-120 Report No.: EME-031072 Page 2 of 42 Table of Contents Summary of Tests..........................................................................................................3 1. General information..................................................................................................4 1.1 Identification of the EUT....................................................................................4 1.2 Additional information about the EUT................................................................4 1.3 Antenna description............................................................................................5 1.4 Peripherals equipment.........................................................................................5 2. Test specifications.....................................................................................................6 2.1 Test standard.......................................................................................................6 2.2 Operation mode..................................................................................................6 2.3 Test equipment....................................................................................................7 3. Minimum 6dB Bandwidth test...................................................................................8 3.1 Operating environment.......................................................................................8 3.2 Test setup & procedure........................................................................................8 3.3 Measured data of Minimum 6dB Bandwidth test results......................................8 4. Maximum Output Power test...................................................................................12 4.1 Operating environment.....................................................................................12 4.2 Test setup & procedure......................................................................................12 4.3 Measured data of Maximum Output Power test results......................................12 5. Radiated Emission test............................................................................................13 5.1 Operating environment.....................................................................................13 5.2 Test setup & procedure......................................................................................13 5.3 Emission limits.................................................................................................14 5.4 Radiated spurious emission test data.................................................................15 5.4.1 Measurement results: frequencies equal to or less than 1 GHz........................15 5.4.2 Measurement results: frequency above 1GHz.................................................18 6. Power Spectrum Density test...................................................................................21 6.1 Operating environment.....................................................................................21 6.2 Test setup & procedure......................................................................................21 6.3 Measured data of Power Spectrum Density test results......................................21 7. Emission on the band edge §FCC 15.247(C)...........................................................25 7.1 Band-edge (Conducted method)........................................................................26 7.2 Band-edge (Radiated method)...........................................................................28 8. Power Line Conducted Emission test §FCC 15.207.................................................32 8.1 Operating environment.....................................................................................32 8.2 Test setup & procedure......................................................................................32 8.3 Power Line Conducted Emission test data.........................................................34 FCC ID. : I88B-120 Report No.: EME-031072 Page 3 of 42 Summary of Tests Wireless Lan PC Card -Model: B-120 FCC ID: I88B-120 Test Reference Results Minimum 6dB Bandwidth test 15.247(a)(2) Complies Maximum Output Power test 15.247(b) Complies Radiated Spurious Emission test 15.205, 15.209 Complies Power Spectrum Density test 15.247(d) Complies Power Line Conducted Emission test 15.207 Complies FCC ID. : I88B-120 Report No.: EME-031072 Page 4 of 42 1. General information 1.1 Identification of the EUT Applicant : ZyXEL Communications Corp. Product : Wireless Lan PC Card Model No. : B-120 FCC ID. : I88B-120 Frequency Range : 2412MHz to 2462MHz Channel Number : 11 Frequency of Each Channel : 2412MHz, 2417MHz, 2422MHz, 2427MHz, 2432MHz, 2437MHz, 2442MHz, 2447MHz, 2452MHz, 2457MHz, 2462MHz Type of Modulation : CCK (11Mps, 5.5Mbps), DQPSK (2Mbps), DBPSK (1Mbps) Power Supply : 5Vdc from Notebook Power Cord : N/A Sample Received : Sep. 18, 2003 Test Date(s) : Sep. 18, 2003 ~ Sep. 22, 2003 A FCC DoC report has been generated for the client. 1.2 Additional information about the EUT The ZyAIR is an IEEE 802.11b compliant wireless PCMCIA card that fits into an…

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Photo 1: Conducted Test Set-up (front) Photo 2: Conducted Test Set-up (rear)

Photo 1: Spurious Test Set-up (front) Photo 2: Spurious Test Set-up (rear)