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  3. O7KML3245

O7KML3245UHF 32 Channel Mobile Radios

Midland Radio Corporation
UHF 32 Channel Mobile Radios - FCC ID O7KML3245 - Midland Radio Corporation
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Application Details

Equipment Class
TNB - Licensed Non-Broadcast Station Transmitter
Date of Grant
Jan 27, 2003
Application Purpose
Original Equipment
Date of Application
Jan 27, 2003
Equipment Note
UHF 32 Channel Mobile Radios
Frequency Range
450.00000000 - 490.00000000
Company
Midland Radio Corporation
Country
United States

Documents & Files

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Users Manual

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Block Diagram

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Cover Letter(s)

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External Photos

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ID Label/Location Info

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Internal Photos

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Operational Description

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Parts List/Tune Up Info

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RF Exposure Info

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Schematics

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Test Report

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Test Setup Photos

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

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Cover Letter(s)

45 Dear Ms. Georgia Hall, Re: FCC ID O7KML3245 We hereby send this letter to notify the FCC that said product FCC ID O7KML3245 is only programmable by authorized two-way radio dealers. Topaz3 model number ACC-907 programming software and model number ACC-2032 programming cable are required in order to change operating frequency of the radio. Sincerely, Gerald Happy LMR Marketing Product Manager Topaz3 L.L.C. 10828 NW Air World Drive, Kansas City, Missouri 64153-1238 Phone: 800-821-7848 Fax: 816-891-8815 www.topaz3.com

Operational Description

To: Date:1/29/2003 16:00:56 Andy Leimer Message: The response to this correspondence was submitted as an exhibit to the exhibit type RF Exposure Info and the description Revised user manual containing updated RF exposure statement Subject: RF Exposure - reply.

Parts List/Tune Up Info

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Parts List/Tune Up Info

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RF Exposure Info

FCC RF Exposure Compliance Requirements -for Occupational Use Only The Federal Communications Commission (FCC), with its action in General Docket 93-62, November 7, 1997, has adopted a safety standard for human exposure to Radio Frequency (RF) electromagnetic energy emitted by FCC regulated equipment. Topaz3 / Maxon subscribes to the same safety standard for the use of its products. Proper operation of this radio will result in user exposure far below the Occupational Safety and Health Act (OSHA) and Federal Communications Commission limits. Antennas used for this transmitter must not exceed an antenna gain of 0 dBd. The radio must be used in vehicle-mount configurations with a maximum operating duty factor not exceeding 50%, in typical push-to-talk configurations. This radio is NOT approved for use by the general population in an uncontrolled environment. This radio is restricted to occupational use, work related operations only where radio operator must have the knowledge to control the exposure conditions of its passengers and bystanders by maintaining the minimum separation distance of 35.56 inches ( 90 cm.) between any persons and the antenna. Failure to observe these restrictions will result in exceeding the FCC RF exposure limits. CAUTION - DO NOT transmit for more than 50% of total radio use time (50% duty cycle). Transmitting more than 50% of the time can cause FCC RF exposure compliance requirements to be exceeded. The radio is transmitting when the “TX” icon on the radio display is illuminated. You can cause the radio to transmit by pressing the P-T-T button on the radio’s microphone. CAUTION - DO NOT operate the transmitter of ML3215, ML3245 mobile radios when someone (bystanders) outside the vehicle is within 3 feet (1.0 meters) of the antenna. Antenna installation must be limited to the center of the roof-top of a vehicle where the passengers are below the metallic ground plane (roof-top) to ensure compliance. NOTE: This radio operates in FCC regulated frequency bands. All radios must be licensed by the FCC before use. Because this radio contains a transmitter, Federal law prohibits unauthorized use or adjustments of this radio. This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. WARNING - Frequency band 406 - 406.1 MHz is reserved for use ONLY as a distress beacon by the US Coast Guard and NOAA. Under no circumstance should this frequency band be part of the pre-programmed operating frequencies of this radio. Safety CAUTION - DO NOT operate the transmitter of any radio unless all RF connectors are secure and any open connectors are properly terminated. CAUTION - DO NOT operate the radio near electrical blasting caps or in an explosive atmosphere. CAUTION - All equipment must be properly grounded for safe operation. WARNING - DO NOT allow children to operate transmitter - equipped radio equipment. WARNING - All equipment should be serviced by a qualified technician. WARNING - It is mandatory that radio installations in vehicles fueled by liquefied petroleum gas conform to the following standard: National Fire Protection Association Standard NFPA 58 applies to radio installations in vehicles fueled by liquefied petroleum (LP) gas with LP gas container in the trunk or other sealed-off space within the interior of the vehicle. This standard requires that: 1. Any space containing radio equipment shall be isolated by a seal from the space in which the LP gas container and its fittings are located. 2. Remote (outside) filling connections shall be vented to the outside.

Schematics

                  

Test Report

APPLICANT: TOPAZ3, LLC FCC ID: O7KML3245 REPORT #: T/Topaz3LLC_F3J\1266AUT2\1266AUT2TestReport.doc TABLE OF CONTENTS LIST TABLE OF CONTENTS LIST APPLICANT: TOPAZ3, LLC FCC ID: O7KML3245 TEST REPORT: PAGE 1......COVER SHEET - GENERAL INFORMATION & TECHNICAL DESCR. PAGE 2......TECHNICAL DESCRIPTION CONT. & RF OUTPUT POWER PAGE 3......MODULATION CHARACTERISTICS & AUDIO FREQUENCY RES PLOTS PAGE 4......MODULATION LIMITING PLOT – 300 & 1000 Hz (2.5kHz) PAGE 5......MOD. LIMITING PLOT – 2500Hz (2.5kHz) & 300Hz (5.0kHz) PAGE 6......MODULATION LIMITING PLOT – 1000 Hz & 2500 Hz (5.0kHz) PAGE 7......POST LIMITER PLOT PAGE 8......OCCUPIED BANDWIDTH PAGE 9......OCCUPIED BANDWIDTH PLOT – 20 khz PAGE 10.....OCCUPIED BANDWIDTH PLOT – 11.25 kHz PAGE 11.....SPURIOUS EMISSIONS AT ANTENNA TERMINALS PAGE 12.....METHOD OF MEASURING SPURIOUS EMISSIONS AT ANTENNA TERM. PAGE 13-14..FIELD STRENGTH OF SPURIOUS EMISSIONS PAGE 15.....METHOD OF MEASURING RADIATED SPURIOUS EMISSIONS PAGE 16.....FREQUENCY STABILITY PAGE 17-18..TRANSIENT FREQUENCY PAGE 19.....TRANSIENT FREQUENCY PLOT – TURN ON HIGH PAGE 20.....TRANSIENT FREQUENCY PLOT – TURN OFF HIGH PAGE 21.....TRANSIENT FREQUENCY PLOT – TURN ON LOW PAGE 22.....TRANSIENT FREQUENCY PLOT – TUNN OFF LOW PAGE 23.....MPE CALCULATION PAGE 24-26..LIST OF TEST EQUIPMENT EXHIBITS CONTAINING: EXHIBIT 1.........FCC ID LABEL SAMPLE EXHIBIT 2.........SKETCH OF LOCATION EXHIBIT 3.........BLOCK DIAGRAM EXHIBIT 4.........SCHEMATICS EXHIBIT 5.........USER'S MANUAL EXHIBIT 6.........EXTERNAL PHOTOS EXHIBIT 7.........INTERNAL PHOTOS EXHIBIT 8.........PARTS LIST EXHIBIT 9.........THEORY OF OPERATION EXHIBIT 10........TEST SETUP PHOTOGRAPHS EXHIBIT 11........STATEMENT PER 90.203(g) APPLICANT: TOPAZ3, LLC FCC ID: O7KML3245 REPORT #: T/Topaz3LLC_F3J\1266AUT2\1266AUT2TestReport.doc Page 1 of 26 GENERAL_INFORMATION_REQUIRED FOR_TYPE_ACCEPTANCE 2.1033(c)(1)(2)TOPAZ3, LLC will manufacture the FCCID: O7KML3245 VHF TRANSCEIVER in quantity, for use under FCC RULES PART 90. TOPAZ3, LLC 10828 NW AIRWORLD DRIVE KANSAS CITY, KS 64153 2.1033 (c) TECHNICAL_DESCRIPTION 2.1033(c)(3) Instruction book. A draft copy of the instruction manual is included as EXHIBIT 5. 2.1033(c) (4) Type of Emission: 10K7F3E 90.209 Bn = 2M + 2DK M = 3000 D = 2350 Bn = 2(3000)+2(2350) = 10.7k Authorized Bandwidth 11.25 kHz 2.1033(c) (4) Type of Emission: 15K0F3E 90.209 Bn = 2M + 2DK M = 3000 D = 4500 Bn = 2(3000)+2(4500) = 15.0k Authorized Bandwidth 20.0 kHz 2.1033(c)(5) Frequency Range: 450-512MHz 90.209 2.1033(c)(6)(7) Power Output shall not exceed 45 Watts into a 50 ohm 90.205 resistive load. 2.1033(c)(8) DC Voltages and Current into Final Amplifier: POWER INPUT: FINAL AMPLIFIER ONLY Vce = 13.6 Volts IC LOW = 2.4 A IC HIGH = 8.8 A APPLICANT: TOPAZ3, LLC FCC ID: O7KML3245 REPORT #: T/Topaz3LLC_F3J\1266AUT2\1266AUT2TestReport.doc Page 2 of 26 2.1033(c)(9) Tune-up procedure. The tune-up procedure is included in Exhibit 8. 2.1033(c)(10) Complete Circuit Diagrams: The circuit diagram is included as EXHIBIT 4. The block diagram is included as EXHIBIT 3. 2.1033(c)(11) A photograph or a drawing of the equipment identifica tion label is included as Exhibit #1. 2.1033(c)(12) Photographs(8"X10") of the equipment of sufficient clarity to reveal equipment construction and layout, including meters, labels for controls, including any view under shields - See EXHIBIT 6-7. 2.1033(c)(13) Digital modulation is not allowed. 2.1033(c)(14) The data required by 2.1046 through 2.1057 is submitted below. 2.1046(a) RF power output. 90.205 RF power is measured by connecting a 50 ohm, Resistive wattmeter to the RF output connector. With a nominal battery voltage of 13.6 VDC, and the Transmitter properly adjusted, the RF output measures: INPUT POWER: HIGH: (13.6V)(7A) = 95.20 Watts INPUT POWER: LOW: (13.6V)(2.5A) = 34 Watts OUTPUT POWER: HIGH: 40 Watts LOW: 2 Watts METHOD OF MEASURING RF POWER OUTPUT APPLICANT: TOPAZ3, LLC FCC ID: O7KML3245 REPORT #: T/Topaz3LLC_F3J\1266AUT2\1266AUT2TestReport.doc Page 3 of 26 2.1047(a)(b) Modulation characteristics: AUDIO FREQUENCY RESPONSE The audio frequency response was measured in ac- cordance with TIA/EIA Specification 603. The audio frequency response curve is shown below. The audio signal was fed into a dummy microphone circuit and into the microphone connector. The input required to produce 30 percent modulation level was measured. Audio Frequency Response -20 -15 -10 -5 0 5 10 100100010000 Frequency Hz Attenuation dB Audio Frequency Response with Narrow Band (2.5kHz) Audio Frequency Response -30 -25 -20 -15 -10 -5 0 5 100100010000 Frequency Hz Attenuation dB Audio Frequency Response with Wide Band (5.0kHz) APPLICANT: TOPAZ3, LLC FCC ID: O7KML3245 REPORT #: T/Topaz3LLC_F3J\1266AUT2\1266AUT2TestReport.doc Page 4 of 26 2.1047(b) Audio input versus modulation The audio input level needed for a particular per- percentage of modulation was measured in accor- dance with TIA/EIA Specification 603. The audio input curves versus modulation are shown below and on pages 5 and 6. Curves are provided for audio input frequencies of 300, 1000, and 2500 Hz. 0 0.5 1 1.5 2 2.5 -90-80-70-60-50-40-30-20-10010 dBm Deviation Modulation Limiting for 300Hz with 2.5kHz Dev. 0 0.5 1 1.5 2 2.5 -90-80-70-60-50-40-30-20-10010 dBm Deviation Modulation Limiting for 1000Hz with 2.5kHz Dev. APPLICANT: TOPAZ3, LLC FCC ID: O7KML3245 REPORT #: T/Topaz3LLC_F3J\1266AUT2\1266AUT2TestReport.doc Page 5 of 26 0 0.5 1 1.5 2 2.5 -90-80-70-60-50-40-30-20-10010 dBm Deviation Modulation Limiting for 2500Hz with 2.5kHz Dev. 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 -90-80-70-60-50-40-30-20-10010 dBm Deviation Modulation Limiting for 300Hz with 5.0kHz Dev. APPLICANT: TOPAZ3, LLC FCC ID: O7KML3245 REPORT #: T/Topaz3LLC_F3J\1266AUT2\1266AUT2TestReport.doc Page 6 of 26 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 -90-80-70-60-50-40-30-20-10010 dBm Deviation Modulation Limiting for 1000Hz with 5.0 kHz Dev. 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 -90-80-70-60-50-40-30-20-10010 dBm Deviation Modul…

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Contact Information

Applicant

Jeff Brame(Director of Engineering)
[email protected]816-241-8500Fax: 816-241-5713

Test Firm

Timco Engineering, Inc.S Sanders
[email protected]888-472-2424Fax: 352-472-2030

Technical Specifications

#Rule PartsFrequency RangePower OutputEmissionTolerance
49450 MHz - 490 MHz2 W15K0F3E2.5 ppm
Grant Notes
Power listed is conducted. This device must be restricted to work related operations in an Occupational/Controlled RF exposure Environment, not exceeding a maximum transmitting duty factor of 50%. All qualified end-users of this device must have the knowledge to control their exposure conditions and/or duration, and the exposure conditions and/or duration of their passengers and bystanders, to comply with the General Population/Controlled MPE limit and requirements. A label, as described in this filing, must be displayed on the device to direct users to specific training information for meeting Occupational Exposure requirements. Users must be provided with the training information, antenna installation and transmitter operating conditions for satisfying RF exposure compliance. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 90cm from all persons and must not exceed an antenna gain of 0 dBd.

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