M4Y-007352.4 GHz WLAN USB Dongle





   
           




















    
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American Telecommunications Certification Body Inc. 6731 Whittier Ave, McLean, VA 22101 January 27, 2003 RE: Z-COM Inc. FCC ID: M4Y-00735 After a review of the submitted information, I have a few comments on the above referenced Application. EMC Report/General: 1) Please provide a higher resolution copy of the label. The FCC ID on the sample label provided is not easily readable. 2) The antenna’s shown in the schematic appear to be for 2850 and 3030 MHz, not 2400-2483.5 MHz. Please explain. SAR Report: 3) The EMC report listed a maximum power output measured of 17.85 dBm, while the SAR report listed 17.42 dBm. Please note that the FCC has stipulated that the conducted power in SAR report must be greater than or equal to what’s in EMC report, but not exceeding tune-up/tolerance power specified. 4) The Operational Description lists a power output of 15 dBm. The output power is expected to be within 0.5 dB of the claimed power. Please explain. 5) Section 3 of the test report lists a ET3DV6 (S/N 1577) probe, while section 3.2 lists an ET3DV5 probe. The test equipment listed in Section 9 do not show a probe with that serial number or model as listed in previous sections of the report. The probe information supplied is for a model ET3DV6 (S/N 1578). This report has been reviewed assuming the probe information supplied was the actual one used during test since it was listed on the SAR plots. Please correct sections 3 and 3.2 of the test report with the proper information for the probe used. 6) For testing to 2.4 GHz devices, the FCC has informed us that for the liquid confirmation (see test report section 7.3) 10% for both permitivity and conductivity are not acceptable. The permitivity must be <= 10%, while the conductivity must be <= 5%. The conductivity measured exceeded these values. 7) The photographs show the distance of 0.7 cm for the 2 nd configuration tested, however the table 7.5 states 1.5 cm. Please explain. Timothy R. Johnson 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.

Dear Timothy, Thanks for your kindly advise. Regarding to your review comments, please see the explanation below: 1) Please find the label with higher resolution attached for your reference. for the item 2) to 7), please see the explanation below provided by our client for your review. I hope the response satisfy all your requirement for reviewing this application, if you have further question, please don't hesitate to let me know. Best Regards, Julia -----Original Message----- From: Shirley Kang [mailto:[email protected]] Sent: Thursday, January 30, 2003 11:00 AM To: 120 neil (½²¥°Þ³) Cc: Scott Wang; Steve Cheng; Mike Kuo; Helen Zhao; Sunny Shih Subject: FW: American TCB review of Z-Com XI-735 FCC ID: M4Y-00735 Importance: High > Dear Sir, > > Please see the answers : 2) The antenna¡¦s shown in the schematic appear to be for 2850 and 3030 MHz, not 2400- 2483.5 MHz. Please explain. ------>2850 and 3030 MHz means the resonant frequency for antenna(which tested with PCB only),since the resonant frequency will be shifted to lower frequency if whth surrounding component and phstic cover next to antenna , hs kind of ceramic antenna characteristic,there fore , we choose antenna which resonant at 2850 and 3030 MHz separately for xi-735 ,then practically the antenna which labeled as 2850 and 3030 MHz ,will work 2.4GHz ISM band frequency. > 3) The EMC report listed a maximum power output measured of 17.85 dBm, > while the SAR report > listed 17.42 dBm. Please note that the FCC has stipulated that the > conducted power in SAR report To: "Timothy R. Johnson" <[email protected]> Subject: FW: American TCB review of Z-Com XI-735 FCC ID: M4Y-00735 Page 1 of 3In 2/11/2003Printed for "Timothy R. Johnson" <[email protected]> > must be greater than or equal to what¡¦s in EMC report, but not exceeding > tune-up/tolerance power > specified. > <CCS response> > EUT output 17.65 at cold start but drop to 17.25 in about 10 minutes. The > reported 17.42 dBm is after 5 minutes warm up. > CCS uses Peak Power Meter measured the RF conducted output power, CCS does > not know which instrument was used during EMC tests. > > 4) The Operational Description lists a power output of 15 dBm. The output > power is expected to be > within 0.5 dB of the claimed power. Please explain. > <CCS response> > Normally the manufacturer will list the average output power on the > product specification sheet. If the output power listed in the > operational description is average power ( confirm with manufacturer ), > please reply to ATCB to indicate the rated power in the operational > description is average power. > > 5) Section 3 of the test report lists a ET3DV6 (S/N 1577) probe, while > section 3.2 lists an ET3DV5 > probe. The test equipment listed in Section 9 do not show a probe with > that serial number or > model as listed in previous sections of the report. The probe information > supplied is for a model > ET3DV6 (S/N 1578). This report has been reviewed assuming the probe > information supplied was > the actual one used during test since it was listed on the SAR plots. > Please correct sections 3 and > 3.2 of the test report with the proper information for the probe used. > <CCS response> > ET3DV6 (S/N 1578) is the probe used in the test. Other are typo inherited > from the previous report. > > > 6) For testing to 2.4 GHz devices, the FCC has informed us that for the > liquid confirmation (see test > report section 7.3) 10% for both permittivity and conductivity are not > acceptable. The permittivity > must be <= 10%, while the conductivity must be <= 5%. The conductivity > measured exceeded > these values. > <CCS response> > Per OET Bulletin 65, supplement C, it is allowed to have 10% tolerance for > certain difficult tissue recipes and 2.4G tissue is one of well recognize > one.Previously applications submitted directly to FCC or FCC audited TCB > application have never mentioned such requirements. 2.4GHz liquid is one > of the most difficult tissue to be tuned to. > > 7) The photographs show the distance of 0.7 cm for the 2 nd configuration > tested, however the table Page 2 of 3In 2/11/2003Printed for "Timothy R. Johnson" <[email protected]> > 7.5 states 1.5 cm. Please explain. > <CCS response> > 0.7cm is correct number and 1.5cm is typo. > > > Best regards, > Shirley Kang > label3.doc Page 3 of 3In 2/11/2003Printed for "Timothy R. Johnson" <[email protected]>

  


FCC ID Label Location

  








  








  








  


in accordance with the requirements of FCC Report and Order: ET Docket 93-62, and OET Bulletin 65 Supplement C for 802.11b Wireless LAN USB Dongle MODEL: XI-735 FCC ID: M4Y-00735 February 26, 2003 REPORT NO: 02T1744-1B Prepared for Z-COM, INC. 7F-2, 9, PROSPERITY 1ST ROAD SCIENCE-BASED INDUSTRIAL PARK HSINCHU, TAIWAN Prepared by COMPLIANCE CERTIFICATION SERVICES 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 REPORT NO: 02T1744-1B DATE: February 26, 2003 FCC ID: M4Y-00735 COMPLIANCE CERTIFICATION SERVICES Page: 2 of 21 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. CERTIFICATE OF COMPLIANCE (SAR EVALUATION) Dates of Tests: February 26, 2003 Report No: 02T1744-1B APPLICANT: Z-COM, INC. 7F-2, 9, Prosperity 1st Road Science-Based Industrial Park Hsinchu, Taiwan MODEL: XI-735 FCC ID: M4Y-00735 DEVICE CATEGORY: PORTABLE DEVICES EXPOSURE CATEGORY: GENERAL POPULATION/UNCONTROLLED EXPOSURE Test Sample is a: Production unit Modulation type: Direct Sequence Spread Spectrum Operating mode: Maximum continuous output Tx Frequency: 2412 ~ 2462 MHz Max. O/P Power (Conducted): 17.42 dBm (2412 MHz) Cold-start output (17.65 dBm) Max. SAR (1g): 0.272 mW/g (2412 MHz) Application type: Certification FCC Rule part(s): § 15.247 Laptop: Part No.: Serial No.: Toshiba PS183U-00KP0X 91617937PU This wireless portable device has been shown to be capable of compliance for localized specific absorption rate (SAR) for uncontrolled environment/general population exposure limits specified in ANSI/IEEE Std. C95.1-1992 and had been tested in accordance with the measurement procedures specified in FCC OET 65 Supplement C (released on 6/29/2001 see Test Report). I attest to the accuracy of data. All measurements reported herein were performed by me or were made under my supervision and are correct to the best of my knowledge and belief. I assume full responsibility for the completeness of these measurements and vouch for the qualifications of all persons taking them. Steve Cheng EMC Engineering Manager REPORT NO: 02T1744-1B DATE: February 26, 2003 FCC ID: M4Y-00735 COMPLIANCE CERTIFICATION SERVICES Page: 3 of 21 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. TABLE OF CONTENT 1. EUT DESCRIPTION.............................................................................................4 2. REQUIREMENTS FOR COMPLIANCE TESTING DEFINED BY THE FCC...............5 3. DOSIMETRIC ASSESSMENT SYSTEM.................................................................5 3.1. MEASUREMENT SYSTEM DIAGRAM............................................................................................6 3.2. SYSTEM COMPONENTS................................................................................................................7 4. EVALUATION PROCEDURE................................................................................9 5. MEASUREMENT UNCERTAINTY.......................................................................12 6. EXPOSURE LIMIT..............................................................................................13 7. MEASUREMENT RESULTS...............................................................................14 7.1. SYSTEM VALIDATION..................................................................................................................14 7.2. TEST LIQUID CONFIRMATION....................................................................................................15 7.3. EUT TUNE-UP PROCEDURE.......................................................................................................15 7.4. EUT SETUP PHOTOS...................................................................................................................16 7.5. SAR MEASUREMENT RESULTS.................................................................................................17 8. EUT PHOTOS....................................................................................................18 9. EQUIPMENTS LIST & CALIBRATION STATUS...................................................19 10. REFERENCES...................................................................................................20 11. ATTACHMENTS................................................................................................21 REPORT NO: 02T1744-1B DATE: February 26, 2003 FCC ID: M4Y-00735 COMPLIANCE CERTIFICATION SERVICES Page: 4 of 21 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. 1. EUT DESCRIPTION APPLICANT: Z-COM, INC. 7F-2, 9, Prosperity 1st Road Science-Based Industrial Park Hsinchu, Taiwan MODEL: XI-735 FCC ID: M4Y-00735 DEVICE CATEGORY: PORTABLE DEVICES EXPOSURE CATEGORY: GENERAL POPULATION/UNCONTROLLED EXPOSURE Test Sample is a: Production unit Modulation type: Direct Sequence Spread Spectrum Operating mode: Maximum continuous output Tx Frequency: 2412 ~ 2462 MHz Max. O/P Power (Conducted): 17.42 dBm (2412 MHz) Cold-start output (17.65 dBm) Max. SAR (1g): 0.272 mW/g (2412 MHz) Application type: Certification FCC Rule part(s): § 15.247 Laptop: Part No.: Serial No.: Toshiba PS183U-00KP0X 91617937PU 1 Specific Absorption Rate (SAR) is a measure of the rate of energy absorption due to exposure to an RF transmitting source (wireless portable device). 2 IEEE/ANSI Std. C95.1-1992 limits are used to determine compliance with FCC ET Docket 93-62. REPORT NO: 02T1744-1B DATE: February 26, 2003 FCC ID: M4Y-00735 COMPLIANCE CERTIFICATION SERVICES Page…

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Date/Time: 02/26/03 11:04:20 Test Laboratory: Compliance Certification Services File Name: D2450V2 SN 1577_13.1mW.da4 DUT: Dipole Type & Serial Number: D2450V2 SN 706 Program: System Validation - D2450V2 SN 1577; Input Power 250mW Communication System: Dipole_2450MHz; Frequency: 2450 MHz; Duty Cycle: 1:1 Medium: Head 2450 MHz ( σ = 1.8836 mho/m, ε = 39.73, ρ = 1000 kg/m3) Phantom section: FlatSection DASY4 Configuration: - Probe: ET3DV6 - SN1577; ConvF(5.1, 5.1, 5.1); Calibrated: 2/7/2003 - Sensor-Surface: 4mm (Mechanical Surface Detection) - Electronics: DAE3 Sn427; Calibrated: 2/4/2003 - Phantom: SAM 1 - TP: 1185 - Software: DASY4, V4.0 Build 51 Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=7.5mm, dy=7.5mm Reference Value = 93.1 V/m Peak SAR = 28.5 mW/g SAR(1 g) = 13.1 mW/g; SAR(10 g) = 5.8 mW/g Power Drift = -0.1 dB Area Scan (9x9x1): Measurement grid: dx=10mm, dy=10mm SAR in dB -20.6 -18.3 -16 -13.7 -11.5 -9.16 -6.87 -4.58 -2.29 0

Date/Time: 02/26/03 17:16:38 Test Laboratory: Compliance Certification Services File Name: 1L-CH_0.0286mW.da4 EUT Configuration 1 SAR in dB -7.84 -6.97 -6.1 -5.22 -4.35 -3.48 -2.61 -1.74 -0.871 0 Date/Time: 02/26/03 17:16:38 Test Laboratory: Compliance Certification Services File Name: 1L-CH_0.0286mW.da4 DUT: Z-COM Type & Serial Number: XI-735 Program: EUT Configuration 1; Low channel (2412 MHz) Communication System: DSSS; Frequency: 2412 MHz; Duty Cycle: 1:1 Medium: Muscle 2450 MHz ( σ = 1.9954 mho/m, ε = 50.49, ρ = 1000 kg/m3) Phantom section: FlatSection DASY4 Configuration: - Probe: ET3DV6 - SN1577; ConvF(4.7, 4.7, 4.7); Calibrated: 2/7/2003 - Sensor-Surface: 4mm (Mechanical Surface Detection) - Electronics: DAE3 Sn427; Calibrated: 2/4/2003 - Phantom: SAM 2 - TP:1050 - Software: DASY4, V4.0 Build 51 Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=7.5mm, dy=7.5mm Reference Value = 3.81 V/m Peak SAR = 0.0622 mW/g SAR(1 g) = 0.0286 mW/g; SAR(10 g) = 0.0168 mW/g Power Drift = -0.04 dB Area Scan (8x11x1): Measurement grid: dx=10mm, dy=10mm SAR in dB -7.84 -6.97 -6.1 -5.22 -4.35 -3.48 -2.61 -1.74 -0.871 0 Date/Time: 02/26/03 18:16:14 Test Laboratory: Compliance Certification Services File Name: 2M-CH_0.0278mW.da4 DUT: Z-COM Type & Serial Number: XI-735 Program: EUT Configuration 1; Middle channel (2437 MHz) Communication System: DSSS; Frequency: 2437 MHz; Duty Cycle: 1:1 Medium: Muscle 2450 MHz ( σ = 1.9954 mho/m, ε = 50.49, ρ = 1000 kg/m3) Phantom section: FlatSection DASY4 Configuration: - Probe: ET3DV6 - SN1577; ConvF(4.7, 4.7, 4.7); Calibrated: 2/7/2003 - Sensor-Surface: 4mm (Mechanical Surface Detection) - Electronics: DAE3 Sn427; Calibrated: 2/4/2003 - Phantom: SAM 2 - TP:1050 - Software: DASY4, V4.0 Build 51 Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=7.5mm, dy=7.5mm Reference Value = 3.66 V/m Peak SAR = 0.0578 mW/g SAR(1 g) = 0.0278 mW/g; SAR(10 g) = 0.0163 mW/g Power Drift = -0.004 dB Area Scan (8x11x1): Measurement grid: dx=10mm, dy=10mm SAR in dB -8.15 -7.25 -6.34 -5.43 -4.53 -3.62 -2.72 -1.81 -0.906 0 Date/Time: 02/26/03 19:40:36 Test Laboratory: Compliance Certification Services File Name: 3H-CH_0.0256mW.da4 DUT: Z-COM Type & Serial Number: XI-735 Program: EUT Configuration 1; High channel (2462 MHz) Communication System: DSSS; Frequency: 2462 MHz; Duty Cycle: 1:1 Medium: Muscle 2450 MHz ( σ = 1.9954 mho/m, ε = 50.49, ρ = 1000 kg/m3) Phantom section: FlatSection DASY4 Configuration: - Probe: ET3DV6 - SN1577; ConvF(4.7, 4.7, 4.7); Calibrated: 2/7/2003 - Sensor-Surface: 4mm (Mechanical Surface Detection) - Electronics: DAE3 Sn427; Calibrated: 2/4/2003 - Phantom: SAM 2 - TP:1050 - Software: DASY4, V4.0 Build 51 Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=7.5mm, dy=7.5mm Reference Value = 3.79 V/m Peak SAR = 0.0562 mW/g SAR(1 g) = 0.0256 mW/g; SAR(10 g) = 0.0139 mW/g Power Drift = -0.14 dB Area Scan (8x11x1): Measurement grid: dx=10mm, dy=10mm SAR in dB -18.4 -16.6 -14.7 -12.9 -11 -9.2 -7.36 -5.52 -3.68 -1.84 0 Date/Time: 02/26/03 20:58:46 Test Laboratory: Compliance Certification Services File Name: 1L-CH_0.272mW.da4 EUT Configuration 2 SAR in dB -19.3 -17.4 -15.4 -13.5 -11.6 -9.64 -7.71 -5.78 -3.86 -1.93 0 Date/Time: 02/26/03 21:57:46 Test Laboratory: Compliance Certification Services File Name: 1L-CH_0.272mW.da4 DUT: Z-COM Type & Serial Number: XI-[735 Program: EUT Configuration 2; Low channel (2412 MHz) Communication System: DSSS; Frequency: 2412 MHz; Duty Cycle: 1:1 Medium: Muscle 2450 MHz ( σ = 1.9954 mho/m, ε = 50.49, ρ = 1000 kg/m3) Phantom section: FlatSection DASY4 Configuration: - Probe: ET3DV6 - SN1577; ConvF(4.7, 4.7, 4.7); Calibrated: 2/7/2003 - Sensor-Surface: 4mm (Mechanical Surface Detection) - Electronics: DAE3 Sn427; Calibrated: 2/4/2003 - Phantom: SAM 2 - TP:1050 - Software: DASY4, V4.0 Build 51 Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=7.5mm, dy=7.5mm Reference Value = 4.01 V/m Peak SAR = 0.625 mW/g SAR(1 g) = 0.272 mW/g; SAR(10 g) = 0.126 mW/g Power Drift = -0.13 dB Area Scan (8x13x1): Measurement grid: dx=10mm, dy=10mm SAR in dB -19.3 -17.4 -15.4 -13.5 -11.6 -9.64 -7.71 -5.78 -3.86 -1.93 0 Date/Time: 02/26/03 22:53:42 Test Laboratory: Compliance Certification Services File Name: 2M-CH_0.266mW.da4 DUT: Z-COM Type & Serial Number: XI-735 Program: EUT Configuration 2; Middle channel (2437MHz) Communication System: DSSS; Frequency: 2437 MHz; Duty Cycle: 1:1 Medium: Muscle 2450 MHz ( σ = 1.9954 mho/m, ε = 50.49, ρ = 1000 kg/m3) Phantom section: FlatSection DASY4 Configuration: - Probe: ET3DV6 - SN1577; ConvF(4.7, 4.7, 4.7); Calibrated: 2/7/2003 - Sensor-Surface: 4mm (Mechanical Surface Detection) - Electronics: DAE3 Sn427; Calibrated: 2/4/2003 - Phantom: SAM 2 - TP:1050 - Software: DASY4, V4.0 Build 51 Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=7.5mm, dy=7.5mm Reference Value = 4.01 V/m Peak SAR = 0.613 mW/g SAR(1 g) = 0.266 mW/g; SAR(10 g) = 0.124 mW/g Power Drift = -0.02 dB Area Scan (8x13x1): Measurement grid: dx=10mm, dy=10mm SAR in dB -18.5 -16.7 -14.8 -13 -11.1 -9.27 -7.41 -5.56 -3.71 -1.85 0 Date/Time: 02/26/03 23:46:04 Test Laboratory: Compliance Certification Services File Name: 3H-CH_0.223mW.da4 DUT: Z-COM Type & Serial Number: XI-735 Program: EUT Configuration 2; High channel (2462 MHz) Communication System: DSSS; Frequency: 2462 MHz; Duty Cycle: 1:1 Medium: Muscle 2450 MHz ( σ = 1.9954 mho/m, ε = 50.49, ρ = 1000 kg/m3) Phantom section: FlatSection DASY4 Configuration: - Probe: ET3DV6 - SN1577; ConvF(4.7, 4.7, 4.7); Calibrated: 2/7/2003 - Sensor-Surface: 4mm (Mechanical Surface Detection) - Electronics: DAE3 Sn427; Calibrated: 2/4/2003 - Phantom: SAM 2 - TP:1050 - Software: DASY4, V4.0 Build 51 Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=7.5mm, dy=7.5mm Reference Value = 4.04 V/m Peak SAR = 0.518 mW/g SAR(1 g) = 0.223 mW/g; SAR(10 g) = 0.103 mW/g Power Drift = -0.02 dB Area Scan (9x13x1): Measurement grid: dx=10mm, dy=10mm SAR in dB -19 -17.1 -15.2 -13.3 -11.4 -9.51 -7.61 -5.71 -3.8 -1.9 0

Intertek Testing Services ETL SEMKO FCC ID. : M4Y-00735 Report No.: EME-021471 Page 1 of 25 EMC TEST REPORT Report No. : EME-021471 Model No. : XI-735 Issued Date : Dec. 23, 2002 Applicant : Z-COM, Inc. 7F-2, No. 9, Prosperity 1 St RD., Science-Based Industrial Park, Hsinchu, Taiwan, R.O.C. Test By : Intertek Testing Services Taiwan Ltd. No. 11, Ko-Tze-Nan Chia-Tung Li, Shiang-Shan District, Hsinchu, Taiwan, R.O.C. This test report consists of 25 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 Intertek Testing Services ETL SEMKO FCC ID. : M4Y-00735 Report No.: EME-021471 Page 2 of 25 Table of Contents Summary of Tests ............................................................................................................. 4 1. General information...................................................................................................... 5 1.1 Identification of the EUT........................................................................................ 5 1.2 Additional information about the EUT................................................................... 5 1.3 Antenna description ................................................................................................ 6 1.4 Peripherals equipment ............................................................................................ 6 2. Test specifications.........................................................................................................7 2.1 Test standard ........................................................................................................... 7 2.2 Operation mode ...................................................................................................... 7 2.4 Test equipment........................................................................................................ 8 3. Minimum 6dB Bandwidth test ..................................................................................... 9 3.1 Operating environment ........................................................................................... 9 3.2 Test setup & procedure ........................................................................................... 9 3.3 Measured data of Minimum 6dB Bandwidth test results ....................................... 9 4. Maximum Output Power test...................................................................................... 10 4.1 …

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