TEST REPORT

FCC ID: K6630073X20

Test Report

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FCCID_446256

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com Test Report Product Name: HX270S MARINE HT RADIO FCC ID: K6630073X20 Applicant: VERTEX STANDARD CO., LTD. 4-8-8 NAKAMEGURO, MEGURO-KU TOKYO 153-8644 JAPAN Date Receipt: MAY 24, 2004 Date Tested: JUNE 15, 2004 APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc COVER SHEET$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com TABLE OF CONTENTS LIST APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 TEST REPORT: PAGE 1............GENERAL INFORMATION & TECHNICAL DESCRIPTION PAGE 2............TECHNICAL DESCRIPTION CONTINUED RF POWER OUTPUT PAGE 3............TECHNICAL DATA PAGE 4............VOICE MODULATION CHARACTERISITICS AUDIO FREQUENCY RESPONSE PAGE 5............AUDIO LOW PASS FILTER PAGE 6............MODULATION LIMITING PAGE 7............OCCUPIED BANDWIDTH PAGE 8............OCCUPIED BANDWIDTH PLOT PAGE 9............SPURIOUS EMISSIONS AT ANTENNA TERMINALS PAGE 10...........METHOD OF MEASURING CONDUCTED SPURIOUS EMISS PAGE 11-12........FIELD STRENGTH OF SPURIOUS EMISSIONS PAGE 13...........METHOD OF MEASURING RADIATED SPURIOUS EMISSIONS PAGE 14...........FREQUENCY STABILITY PAGE 15...........LIST OF TEST EQUIPMENT EXHIBITS INCLUDING: REQUEST FOR CONFIDENTIALITY LETTER BLOCK DIAGRAM SCHEMATIC PARTS LIST USERS MANUAL LABEL SAMPLE & LOCATION EXTERNAL PHOTOGRAPHS INTERNAL PHOTOGRAPHS ALIGNMENT PROCEDURE OPERATIONAL DESCRIPTION TEST SET UP PHOTOGRAPHS APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc TABLE OF CONTENTS$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com GENERAL_INFORMATION 2.1033(c) VERTEX STANDARD CO., LTD. will sell the FCC ID: K6630073X20 VHF Marine transmitter in quantity, for use under FCC RULES PART 80. 2.1033(c) TECHNICAL_DESCRIPTION (4) Type of Emission: 16K0G3E/16K0F3E Bn = 2M + 2DK M = 3000 D = 4.6KHz (Peak Deviation) K = 1 Bn = 2(3.0K) + 2(4.6K)(1) = 6.0K + 9.2 = 15.2K 80.205 (a) ALLOWED AUTHORIZED BANDWIDTH = 20.00KHz. 2.1033(c)(6) Frequency Range: 156.025 – 157.425 MHz 2.1033(c)(7) Power Range and Controls: There is a user Power switch for High/Low Power. Maximum Output Power Rating: High PWR Watts, PWR1 Watt into a 50 ohm resistive load. 2.1033(c)(8) DC Voltages and Current into Final Amplifier: POWER INPUT FINAL AMPLIFIER ONLY High Low Vce = 7.2 Volts Vce = 7.2 Volts Ice = 1.53 A. Ice = 0.61 A. Pin = 11.02 Watts Pin = 4.29 Watts Function of each electron tube or semiconductor device or other active circuit device is included in the parts list exhibit. APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc Page 1 of 15$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com 2.1033(c)(9) Complete Circuit Diagrams: The circuit diagrams and block diagrams are included. 2.1033(c)(10) Instruction book. The instruction manual is included. 2.1033(c)(11) Tune-up procedure. The tune-up procedure is included. Description of all circuitry and devices provided for determining and stabilizing frequency is included in the circuit description 2.1033(c)(11) Digital modulation. This unit does NOT use digital modulation. The data required by 2.1046 through 2.1055 is submitted below. 2.1046(a) RF_power_output. 80.215 (e)(1) RF power is measured by connecting a 50 ohm, re- sistive wattmeter to the RF output connector. With a nominal battery voltage of 7.2 V, and the transmitter properly adjusted the RF output measures: OUTPUT POWER: HIGH: 5.0 W CONDUCTED LOW: 1.0 W CONDUCTED METHOD OF MEASURING RF POWER OUTPUT Transmitter 50 ohm under test Resistive Wattmeter Power Supply APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc Page 2 of 15$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com TECHNICAL DATA: 80.203 (b) External Controls: The transmitter is capable of changing frequency between 156.025 – 157.425 MHz by external control. The available channels are shown in the User Manual description Channel List. These channels are preprogrammed by the manufacturer and change of frequency is inaccessible to the station operator. 80.203 (c) Five minutes continuous transmission test. The antenna was connected to a dummy load and the radio was locked in a transmit PTT mode. An external timer digital clock was used to observe the duration of the un-modulated transmission. The transmitter turned off and the radio went to receive mode at 4 minutes, 58 seconds as displayed by the external digital clock. APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc Page 3 of 15$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com 2.1047(a) Voice Modulation_characteristics: (b) AUDIO_FREQUENCY_RESPONSE See the following plot. 732aut4 audio frequency response +10 +0 d B -10 -20 -30 100 200 500 1k 2.85988k 2k 5k 10k 20k Hz APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc Page 4 of 15$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com 2.1047(b) Audio input versus modulation 80.213 (a)(2) A plot of the audio input versus deviation is shown in the following plots. 732AUT4 Modulation Limiting 5 k H z 0 -30 -27.5 -25 -22.5 -20 -17.5 -15 -12.5 -10 -7.5 -5 -2.5 dBu APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc Page 6 of 15$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com 2.1049(c) Occupied bandwidth: 80.211 (f) Data in the plots shows that on any frequency removed from the assigned frequency by more than 50%, but not more than 100%: At least 25dB. On any frequency removed from the assigned frequency by more than 100%, but not more than 250%: At least 35dB. On any frequency removed from the assigned frequency by more than 250%, of the authorized bandwidth: At least 43 + log(P)dB. Radiotelephone transmitter with modulation limiter. Test procedure: TIA/EIA-603 para 2.2.11, with the exception that various tones were used. Test procedure diagram OCCUPIED BANDWIDTH MEASUREMENT Transmitter Spectrum under test Coupler Analyzer Audio Oscillator APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc Page 7 of 15$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com 2.1051 Spurious_emissions_at_antenna_terminals(conducted): 80.211 The data on the following page shows the level of conducted spurious responses. The carrier was modu- lated 100% using a 2500Hz tone. The spectrum was scanned from 0.4 to at least the 10th harmonic of the fundamental. The measurements were made in accordance with standard TIA/EIA-603. REQUIREMENTS: Emissions must be 43 + 10log(Po) dB below the mean power output of the transmitter. 43 + 10log(5) = 50 43 + 10log(1) = 43 TF dB below TF dB below HIGH POWER EF carrier LOW POWER EF carrier 156 156 0.0 156 156 0.0 312 91.0 312 82.5 468 79.0 468 78.4 624 83.2 624 84.2 780 87.6 780 88.3 936 94.6 936 93.9 1092 95.1 1092 95.1 1248 97.2 1248 93.4 1404 97.4 1404 95.5 1560 96.7 1560 97.0 TF dB below TF dB below HIGH POWER EF carrier LOW POWER EF carrier 157 157 0.0 157 157 0.0 314 90.0 314 81.8 471 79.3 471 78.5 628 83.4 628 84.7 785 89.8 785 89.3 942 94.5 942 94.4 1099 95.2 1099 95.1 1256 99.7 1256 93.8 1413 98.4 1413 96.1 1570 96.0 1570 98.8 APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc Page 9 of 15$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com Method of Measuring Conducted Spurious Emissions HP Spectrum Analyzer 8566B TRANSMITTER UNDER TEST ATTENUATOR METHOD OF MEASUREMENT: The procedure used was TIA/EIA-603 STANDARD without any exceptions. An audio generator was connected to the UUT through a dummy microphone circuit and the output of the transmitter connected to a standard load and from the standard load through a pre-selector filter of the spectrum analyzer. The spectrum was scanned from 400kHz to at least the tenth harmonic of the fundamental using a HP model 8566B spectrum analyzer. The measurements were made using the shielded room located at TIMCO ENGINEERING INC. 849 STATE ROAD 45, NEWBERRY FLORIDA 32669. APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc Page 10 of 15$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com 2.1053(a) Field_strength_of_spurious_emissions: 80.211 NAME OF TEST: RADIATED SPURIOUS EMISSIONS (156MHz) REQUIREMENTS: Emissions must be 43 + 10log(Po) dB below the mean power output of the transmitter. HIGH: 43 + 10log(5) = 50 LOW: 43 + 10log(1) = 43 TEST DATA: HIGH POWER: Emission Ant. Corrected Coax Substitution dB Frequency Polarity EUT Loss Antenna Below MHz Signal (dB) (dBd) Carrier Reading (dBc) 156.00 V 27.20 0 -0.23 0 312.00 H -34.60 0 -1.25 62.82 468.00 V -46.20 0 -0.522 73.692 624.10 V -45.10 0 -0.257 72.327 780.20 V -48.90 0 -1.308 77.178 936.20 H -60.20 0 -0.984 88.154 1092.20 V -58.50 1.12 3.32 83.27 1248.20 V -52.10 1.5 3.94 76.63 1404.20 V -55.60 1.18 4.57 79.18 1560.30 H -57.10 1.21 4.97 80.31 LOW POWER: Emission Ant. Corrected Coax Substitution dB Frequency Polarity EUT Loss Antenna Below MHz Signal (dB) (dBd) Carrier Reading (dBc) 156.00 V 21.70 0 -0.23 0 312.00 H -41.60 0 -1.25 64.32 468.00 V -56.40 0 -0.522 78.392 624.10 V -59.30 0 -0.257 81.027 780.20 H -51.50 0 -1.308 74.278 936.20 H -58.40 0 -0.984 80.854 1092.20 V -61.60 1.12 3.32 80.87 1248.20 V -61.10 1.5 3.94 80.13 1404.20 V -62.50 1.18 4.57 80.58 APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc Page 11 of 15$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com 2.1053(a) Field strength of spurious emissions: 80.211 NAME OF TEST: RADIATED SPURIOUS EMISSIONS (157MHz) REQUIREMENTS: Emissions must be 43 + 10log(Po) dB below the mean power output of the transmitter. HIGH: 43 + 10log(5) = 50 LOW: 43 + 10log(1) = 43 TEST DATA: HIGH POWER: Emission Ant. Corrected Coax Substitution dB Frequency Polarity EUT Loss Antenna Below MHz Signal (dB) (dBd) Carrier Reading (dBc) 157.40 V 25.30 0 -0.202 0 314.80 H -36.10 0 -1.25 62.448 742.20 V -45.20 0 -0.539 70.837 629.60 V -51.10 0 -0.232 76.43 787.10 H -52.40 0 -1.144 78.642 944.50 H -57.00 0 -1.084 83.182 1101.80 V -60.60 1.0072 3.357 83.3482 1259.20 V -57.40 1.0368 3.987 79.5478 1416.60 V -62.00 1.0664 4.616 83.5484 LOW POWER: Emission Ant. Corrected Coax Substitution dB Frequency Polarity EUT Loss Antenna Below MHz Signal (dB) (dBd) Carrier Reading (dBc) 157.40 V 20.10 0 -0.202 0 314.80 H -36.10 0 -1.25 57.248 742.20 V -64.00 0 -0.539 84.437 629.60 V -53.80 0 -0.232 73.93 787.10 H -49.30 0 -1.144 70.342 944.50 V -57.40 0 -1.084 78.382 1101.80 V -62.60 1.0072 3.357 80.1482 1259.20 V -61.80 1.0368 3.987 78.7478 1416.60 V -62.80 1.0664 4.616 79.1484 APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc Page 12 of 15$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com Method of Measuring Radiated Spurious Emissions Hewlett Packard Spectrum Analyzer HP8555A TRANSMITTER 50 OHM RESISTIVE UNDER TEST LOAD <-3.0 meters--> Tuned, Calibrated Antenna which may be raised from 1m to 4m above ground POWER SUPPLY and changed in polarization Equipment placed 80 cm above ground on a rotatable platform. METHOD OF MEASUREMENT: The tabulated data shows the results of the radiated field strength emissions test. The spectrum was scanned from 30 to at least the tenth harmonic of the fundamental. This test was conducted per TIA/EIA STANDARD 603 using the substitution method. Measurements were made at the open field test site of TIMCO ENGINEERING, INC. located at 849 N.W. State Road 45, Newberry, FL 32669. APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc Page 13 of 15$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com Frequency stability: 2.1055(a)(2) 80.209 (a) Temperature and voltage tests were performed to verify that the frequency remains within the .0010%, 10.0ppm specification limit, for 20kHz spacing. The test was conducted as follows: The transmitter was placed in the temperature chamber at 25º C and allowed to stabilize for one hour. The transmitter was keyed ON for one minute during which four frequency readings were recorded at 15 second intervals. The worse case number was taken for temperature plotting. The assigned channel frequency was considered to be the reference frequency. The temperature was then reduced to -30º C after which the transmitter was again allowed to stabilize for one hour. The transmitter was keyed ON for one minute, and again frequency readings were noted at 15 sec intervals. The worst-case number was recorded for temperature plotting. This procedure was repeated in 10-degree increments up to + 50º C. Readings were also taken at minus 25% of the battery voltage of 7.2 V, which we estimate to be the battery endpoint. MEASUREMENT DATA: Assigned Frequency (Ref. Frequency): 156.050 002 MHz TEMPERATURE_C FREQUENCY MHz PPM REFERENCE_____________156.050 002 00.0 -30___________________156.049 653 -2.24 -20___________________156.049 762 -1.54 -10___________________156.049 786 -1.38 0___________________156.049 864 -0.88 +10___________________156.049 893 -0.70 +20___________________156.049 97 -0.21 +30___________________156.050 022 0.13 +40___________________156.050 088 0.55 +50___________________156.050 148 0.94 VOLTS Batt. Data Batt. PPM -15% 6.12 156.050 022 0.13 RESULTS OF MEASUREMENTS: The test results indicates that the EUT meets the requirements. APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc Page 14 of 15$

$TIMCO ENGINEERING INC. 849 NW State Road 45 Newberry, Florida 32669 http://www.timcoengr.com 888.472.2424 F 352.472.2030 email: sid@timcoengr.com EMC Equipment List Device Manufacturer Model Serial Cal/Char Due Date Number Date 3/10-Meter TEI N/A N/A Listed 3/26/07 OATS 3/27/04 3-Meter TEI N/A N/A Listed 1/13/06 OATS 1/13/03 Audio B&K 3010 8739686 CHAR 12/1/04 Generator Precision 12/1/02 Audio HP 653A 832-00260 CHAR 12/1/04 Oscillator 12/1/02 Biconnical Eaton 94455-1 1057 CAL 3/18/03 3/18/05 Antenna Biconnical Eaton 94455-1 1096 CAL 10/1/01 10/1/03 Antenna Biconnical Electro- BIA-25 1171 CAL 4/26/01 4/26/03 Antenna Metrics Blue Tower HP 85650A 2811A01279 CAL 4/15/03 4/15/05 Quasi-Peak Adapter Blue Tower HP 85685A 2620A00294 out for Cal RF Preselector Blue Tower HP 8568B 2928A04729 CAL 4/15/03 4/15/05 Spectrum 2848A18049 Analyzer Frequency HP 5352B 2632A00165 CAL 11/28/03 Counter 11/28/01 Frequency HP 5382A 1620A03535 CHAR 3/2/01 Out of Counter Service Frequency HP 5385A 2730A03025 CAL 3/7/03 3/7/05 Counter Frequency HP 5385A 3242A07460 CAL 3/7/03 3/7/05 Counter LISN Electro- ANS-25/2 2604 CAL 10/9/01 10/9/03 Metrics LISN Electro- EM-7820 2682 CAL 3/12/03 3/12/05 Metrics Log- Eaton 96005 1243 CAL 5/8/03 5/8/05 Periodic Antenna APPLICANT: VERTEX STANDARD CO., LTD. FCC ID: K6630073X20 REPORT #: V\VERTEX\732AUT4\732AUT4TestReport.doc Page 15 of 15$

Document Created: 2004-07-02 13:40:45
Document Modified: 2004-07-02 13:40:45