CWTWC1U280TPMS Tuner

(25) (18) Label drawing _ TWC1U280 unit:mm

Test report No. : 28EE0011-HO-01-A Page : 2 of 13 Issued date : January 15, 2008 FCC ID : CWTWC1U280 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 CONTENTS PAGE SECTION 1: Customer information ...................................................................................... 3 SECTION 2: Equipment under test (E.U.T.) ........................................................................ 3 SECTION 3: Test specification, procedures & results ......................................................... 4 SECTION 4: Operation of E.U.T. during testing ................................................................. 7 SECTION 5: Radiated Emission ............................................................................................ 8 APPENDIX 1: Photographs of test setup............................................................................... 9 Radiated Emission ......................................................................................................................... 9 Worst Case Position (Horizontal: X-axis/ Vertical:X-axis) ..................................................... 10 APPENDIX 2: Data of EMI test ........................................................................................... 11 Radiated Emission ....................................................................................................................... 11 APPENDIX 3: Test instruments ........................................................................................... 13 Test report No. : 28EE0011-HO-01-A Page : 3 of 13 Issued date : January 15, 2008 FCC ID : CWTWC1U280 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 SECTION 1: Customer information Company Name : Alps Electric Co., Ltd. Address : 6-3-36 Nakazato, Furukawa, Osaki-city, Miyagi-pref.,Japan Telephone Number : +81-229-23-5111 Facsimile Number : +81-229-22-3755 Contact Person : Tomosuke Takata SECTION 2: Equipment under test (E.U.T.) 2.1 Identification of E.U.T. Type of Equipment : TPMS Tuner Model No. : TWC1U280 Serial No. : 071220-1 Country of Manufacture : JAPAN Power Supply : DC10V Receipt Date of Sample : December 28, 2007 Condition of EUT : Production prototype (Not for Sale: This sample is equivalent to mass-produced items.) Modification of EUT : No modification by the test lab. 2.2 Product Description Model No: TWC1U280 is the TPMS Tuner. Feature of EUT: Clock frequency(ies) in the system : 40.71MHz(Oscillator circuit) Type of Receiver : Super hetrodyne Frequency of Operation : 315MHz Intermediate Frequency : 10.7MHz Antenna Type : Internal antenna(Pattern Antenna) Method of Frequency Generation : Crystal Operating temperature range : -30 to +70 deg.C. FCC15.111(b ) The receiving antenna (of this EUT) is installed inside the EUT and cannot be removed. Therefore, this EUT complies with the requirement in section 15.111(b). Test report No. : 28EE0011-HO-01-A Page : 4 of 13 Issued date : January 15, 2008 FCC ID : CWTWC1U280 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 SECTION 3: Test specification, procedures & results 3.1 Test specification Test Specification : FCC Part 15 Subpart B 2007 Title : FCC 47CFR Part15 Radio Frequency Device Subpart B Unintentional Radiators 3.2 Procedures and results Item Test Procedure Limits Deviation Worst margin Result FCC: ANSI C63.4: 2003 7. AC powerline conducted emission measurements Conducted emission IC: RSS-Gen 7.2.2 receiver N/A N/A *1) N/A FCC: ANSI C63.4: 2003 8. Radiated emission measurements Radiated emission IC: RSS-Gen 4.10 receiver N/A 9.4dB 81.420MHz Vertical Complied *Note: UL Japan, Inc’s EMI Work Procedure QPM05. *1)The test is not applicable since the EUT is not the device that is designed to be connected to the public utility (AC) power line. *These tests were performed without any deviations from test procedure except for additions or exclusions. 3.3 Additions or deviations to standards No addition, deviation, nor exclusion has been made from standards. Test report No. : 28EE0011-HO-01-A Page : 5 of 13 Issued date : January 15, 2008 FCC ID : CWTWC1U280 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 3.4 Uncertainty EMI The following uncertainties have been calculated to provide a confidence level of 95% using a coverage factor k=2. Conducted emission Radiated emission (10m*) Radiated emission (3m*) Radiated emission (3m*) Test room 150kHz- 30MHz 9kHz- 30MHz 30MHz- 300MHz 300MHz- 1GHz 9kHz- 30MHz 30MHz- 300MHz 300MHz- 1GHz 1GHz- 18GHz 18GHz- 40GHz No.1 semi-anechoic chamber ±3.7dB ±3.1dB ±4.7dB ±4.4dB ±3.2dB ±3.7dB ±4.4dB ±5.9dB ±6.1dB No.2 semi-anechoic chamber ±3.7dB - - - ±3.2dB ±4.3dB ±3.9dB ±5.9dB ±6.1dB No.3 semi-anechoic chamber ±3.7dB - - - ±3.2dB ±4.2dB ±4.4dB ±5.9dB ±6.1dB No.4 semi-anechoic chamber ±3.7dB - - - ±3.2dB ±4.2dB ±4.4dB ±5.9dB ±6.1dB *10m/3m = Measurement distance Radiated emission test(3m ) The data listed in this test report has enough margin, more than the site margin. Test report No. : 28EE0011-HO-01-A Page : 6 of 13 Issued date : January 15, 2008 FCC ID : CWTWC1U280 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 3.5 Test Location UL Japan, Inc. Head Office EMC Lab. *NVLAP Lab. code: 200572-0 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 FCC Registration Number IC Registration Number Width x Depth x Height (m) Size of reference ground plane (m) / horizontal conducting plane Other rooms No.1 semi-anechoic chamber 313583 IC4247 19.2 x 11.2 x 7.7m 7.0 x 6.0m No.1 Power source room No.2 semi-…

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Test report No. : 28EE0011-HO-01-A Page : 11 of 13 Issued date : January 15, 2008 FCC ID : CWTWC1U280 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 APPENDIX 2: Data of EMI test Radiated Emission DATA OF RADIATED EMISSION TEST UL Japan, Inc. Head Office EMC Lab. No.4 Semi AnechSoic Chamber Date : 2008/01/08 Company : Alps Electric Co., Ltd. Report No. : 28EE0011-HO-01 Kind of EUT : TPMS Tuner Power : DC 10.0V Model No. : TWC1U280 Temp./Humi. : 24deg.C. / 35% Serial No. : 071220-1 Operator : Takahiro Hatakeda Mode / Remarks : Constant Power Supply Mode(IGN=ON) LIMIT : FCC15.109(a) 3m, below 1GHz:QP, above 1GHz:PK All other spurious emissions were less than 20dB for the limit. CHART:WITH FACTOR ANT TYPE: -30MHz:LOOP, 30-300MHz:BICONICAL, 300MHz-1000MHz:LOGPERIODIC, 1000MHz-:HORN CALCULATION:RESULT = READING + ANT FACTOR + LOSS(CABLE+ATTEN.) - GAIN(AMP) Frequency[Hz] [dBuV/m]<< QP DATA >> Horizontal Vertical Horizontal Vertical 30M1G50M70M100M200M300M500M700M 0 10 20 30 40 50 60 70 80 FrequencyReading DET AntennaLoss& LevelAngleHeight Polar. LimitMarginFrequencyReading DETFactorGain LevelAngleHeight Polar. LimitMargin [MHz][dBuV] DET [dB/m][dB][dBuV/m][Deg][cm] Polar. [dBuV/m][dB] 40.71228.3QP13.7-24.717.3321335Hori.40.022.7 40.71338.0QP13.7-24.727.0220100Vert.40.013.0 81.42035.3QP7.2-24.218.3223231Hori.40.021.7 81.42047.6QP7.2-24.230.6271100Vert.40.09.4 122.13039.5QP13.3-23.729.1256100Vert.43.514.4 122.13034.3QP13.3-23.723.9221303Hori.43.519.6 203.55024.9QP16.7-22.818.8124100Vert.43.524.7 203.55026.5QP16.7-22.820.4221185Hori.43.523.1 315.00027.3QP16.3-22.021.645180Vert.46.024.4 315.00028.9QP16.3-22.023.2288100Hori.46.022.8 325.70028.9QP16.5-21.923.5269100Hori.46.022.5 325.70027.7QP16.5-21.922.3359154Vert.46.023.7 402.77524.5QP17.6-21.420.763100Hori.46.025.3 402.77523.9QP17.6-21.420.1302100Vert.46.025.9 *The limit is rounded down to one decimal place. *The test result is rounded off to one or two decimal places, so some differences might be observed. Test report No. : 28EE0011-HO-01-A Page : 12 of 13 Issued date : January 15, 2008 FCC ID : CWTWC1U280 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 Radiated Emission DATA OF RADIATED EMISSION TEST UL Japan, Inc. Head Office EMC Lab. No.4 Semi AnechSoic Chamber Date : 2008/01/08 Company : Alps Electric Co., Ltd. Report No. : 28EE0011-HO-01 Kind of EUT : TPMS Tuner Power : DC 10.0V Model No. : TWC1U280 Temp./Humi. : 24deg.C. / 35% Serial No. : 071220-1 Operator : Takahiro Hatakeda Mode / Remarks : Constant Power Supply Mode(IGN=ON) LIMIT : FCC15.109(a) 3m, below 1GHz:QP, above 1GHz:PK FCC15.109(a) 3m, below 1GHz:QP, above 1GHz:AV CHART:WITH FACTOR ANT TYPE: -30MHz:LOOP, 30-300MHz:BICONICAL, 300MHz-1000MHz:LOGPERIODIC, 1000MHz-:HORN CALCULATION:RESULT = READING + ANT FACTOR + LOSS(CABLE+ATTEN.) - GAIN(AMP) Frequency[Hz] [dBuV/m]<< AV/PEAK DATA >> Horizontal Vertical Horizontal Vertical 1G2G 0 10 20 30 40 50 60 70 80 90 FrequencyReading DET AntennaLoss& LevelAngleHeight Polar. LimitMarginFrequencyReading DETFactorGain LevelAngleHeight Polar. LimitMargin [MHz][dBuV] DET [dB/m][dB][dBuV/m][Deg][cm] Polar. [dBuV/m][dB] 1575.00042.8PK25.6-31.137.30100Hori.73.936.6 1575.00042.8PK25.6-31.137.30100Vert.73.936.6 1575.00030.4AV25.6-31.124.90100Hori.53.929.0 1575.00030.5AV25.6-31.125.00100Vert.53.928.9 1628.50043.3PK25.7-31.038.00100Hori.73.935.9 1628.50043.4PK25.7-31.038.10100Vert.73.935.8 1628.50030.9AV25.7-31.025.60100Hori.53.928.3 1628.50030.9AV25.7-31.025.60100Vert.53.928.3 *The limit is rounded down to one decimal place. *The test result is rounded off to one or two decimal places, so some differences might be observed. Test report No. : 28EE0011-HO-01-A Page : 13 of 13 Issued date : January 15, 2008 FCC ID : CWTWC1U280 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 APPENDIX 3: Test instruments Control No. Instrument Manufacturer Model No Test Item Calibration Date * Interval(month) MAEC-04 Anechoic Chamber TDK Semi Anechoic Chamber 3m RE 2007/03/03 * 12 MOS-15 Thermo-Hygrometer Custom CTH-180 RE 2006/01/19 * 24 MJM-07 Measure PROMART SEN1955 RE - MSTW-14 EMI measurement program TSJ TEPTO-DV RE - MBA-05 Biconical Antenna Schwarzbeck BBA9106 RE 2007/01/19 * 12 MLA-08 Logperiodic Antenna Schwarzbeck UKLP9140- A RE 2007/01/19 * 12 MAT-31 Attenuator(6dB) TME UFA-01 RE 2007/03/05 * 12 MCC-50 Coaxial cable UL Japan - RE 2007/03/06 * 12 MPA-14 Pre Amplifier SONOMA INSTRUMENT 310 RE 2007/03/12 * 12 MTR-07 Test Receiver Rohde & Schwarz ESCI RE 2007/09/14 * 12 MHA-21 Horn Antenna 1- 18GHz Schwarzbeck BBHA9120 D RE 2007/08/16 * 12 MCC-57 Microwave Cable 1G-26.5GHz Suhner SUCOFLE X104 RE 2007/03/30 * 12 MPA-12 MicroWave System Amplifier Agilent 83017A RE 2007/03/12 * 12 MSA-05 Spectrum Analyzer Advantest R3273 RE 2007/06/01 * 12 MCB-02 Car Battery YUASA 40B19L RE Pre Check The expiration date of the calibration is the end of the expired month. All equipment is calibrated with traceable calibrations. Each calibration is traceable to the national or international standards. As for some calibrations performed after the tested dates, those test equipment have been controlled by means of an unbroken chains of calibrations. Test Item： RE: Radiated emission

Test report No. : 28EE0011-HO-01-A Page : 9 of 13 Issued date : January 15, 2008 FCC ID : CWTWC1U280 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 APPENDIX 1: Photographs of test setup Radiated Emission Front Rear Test report No. : 28EE0011-HO-01-A Page : 10 of 13 Issued date : January 15, 2008 FCC ID : CWTWC1U280 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 Representative Position (Horizontal: X-axis/ Vertical:X-axis) X-axis Y-axis Z-axis