Part 90 Test Photos

FCC ID: ALH443800

Test Report

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FCCID_2037671

                                                  Test Report
                                     Prepared for: Kenwood USA Corporation

                                    Model: NX-340-K, NX-340-M and NX-340U-K

                                       Description: UHF Digital Transceiver

                                                 FCC ID: ALH443800

                                                          To

                                                     FCC Part 90

                                            Date of Issue: July 23, 2013



On the behalf of the applicant:             Kenwood USA Corporation
                                            Communications Division
                                            3970 Johns Creek Court
                                            Suite 100
                                            Suwanee, GA 30024

Attention of:                               Joel Berger, Research & Development
                                            Ph: (678) 474-4722
                                            E-Mail: jberger@kenwoodusa.com



                                                   Prepared By
                                             Compliance Testing, LLC
                                         3356 N San Marcos Pl, Suite 107
                                             Chandler, AZ 85225-7176
                                     (866) 311-3268 phone / (480) 926-3598 fax
                                            www.compliancetesting.com
                                               Project No: p1370017




                                                                        Alex Macon
                                                                        Project Test Engineer




         This report may not be reproduced, except in full, without written permission from Compliance Testing
                              All results contained herein relate only to the sample tested



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                            Test Report Revision History

Revision   Date                    Revised By          Reason for Revision

1.0        July 23, 2013           Alex Macon          Original Document

2.0        August 1, 2013          Amanda Reed         Removed Part 22 from page 6




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                                                 Table of Contents

Description                                                                        Page

Standard Test Conditions and Engineering Practices                                             6
Test Result Summary                                                                            7
Carrier Output Power (Conducted)                                                               8
Conducted Spurious Emissions                                                                   9
Field Strength of Spurious Radiation                                                          13
Emission Masks (Occupied Bandwidth)                                                           16
Transient Frequency Behavior                                                                  22
Audio Low Pass Filter (Voice Input)                                                           24
Audio Frequency Response                                                                      25
Modulation Limiting                                                                           26
Frequency Stability                                                                           27
Necessary Bandwidth Calculations                                                              28
Test Equipment Utilized                                                                       30




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                                                         ILAC / A2LA

Compliance Testing, LLC, has been accredited in accordance with the recognized International Standard ISO/IEC
17025:2005. This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory
quality management system (refer joint ISO-ILAC-IAF Communiqué dated January 2009)

The tests results contained within this test report all fall within our scope of accreditation, unless noted below.

Please refer to http://www.compliancetesting.com/labscope.html for current scope of accreditation.

Testing Certificate Number: 2152.01




FCC OATS Reg, #933597

IC Reg. #2044A-1


       Non-accredited tests contained in this report:

       N/A




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                                 The Applicant has been cautioned as to the following:

15.21: Information to the User

The user’s manual or instruction manual for an intentional radiator shall caution the user that changes or modifications not
expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.


15.27(a): Special Accessories

Equipment marketed to a consumer must be capable of complying with the necessary regulations in the configuration in
which the equipment is marketed. Where special accessories, such as shielded cables and/or special connectors are
required to enable an unintentional or intentional radiator to comply with the emission limits in this part, the equipment
must be marketed with, i.e. shipped and sold with, those special accessories. However, in lieu of shipping or packaging
the special accessories with the unintentional or intentional radiator, the responsible party may employ other methods of
ensuring that the special accessories are provided to the consumer, without an additional charge.

Information detailing any alternative method used to supply the special accessories for a grant of equipment authorization
or retained in the verification records, as appropriate. The party responsible for the equipment, as detailed in § 2.909 of
this chapter, shall ensure that these special accessories are provided with the equipment. The instruction manual for such
devices shall include appropriate instructions on the first page of text concerned with the installation of the device that
these special accessories must be used with the device. It is the responsibility of the user to use the needed special
accessories supplied with the equipment.




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Test and Measurement Data

All tests and measurement data shown were performed in accordance with FCC Rules and Regulations, Volume II, Part
2, Subpart J, Sections 2.947, 2.1033(c), 2.1041, 2.1046, 2.1047, 2.1049, 2.1051, 2.1053, 2.1055, 2.1057, and the
following individual Parts 90.


Standard Test Conditions and Engineering Practices

Except as noted herein, the following conditions and procedures were observed during the testing.

In accordance with ANSI/TIA 603C, and unless otherwise indicated in the specific measurement results, the ambient
temperature of the actual EUT was maintained within the range of 10° to 40°C (50° to 104°F) unless the particular
equipment requirements specify testing over a different temperature range. Also, unless otherwise indicated, the humidity
levels were in the range of 10% to 90% relative humidity.



                                               Environmental Conditions
                            Temp                      Humidity                      Pressure
                             (ºC)                       (%)                          (mbar)
                         27.4 – 37.8                  41.9 – 63.0                 963.7 – 969.5



Measurement results, unless otherwise noted, are worst-case measurements.


EUT Description
Model: NX-340-K, NX-340-M and NX-340U-K
Description: UHF Digital Transceiver
Additional Information: The EUT is a push to talk occupational radio

EUT Operation during Tests
The EUT was in a normal operating condition for testing. Both a radiated and conducted sample were provided.

Accessories: None

Cables: None

Modifications: None




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Test Result Summary

                                                                   Pass,
    Specification   Test Name                                                 Comments
                                                                  Fail, N/A
    2.1046          Carrier Output Power (Conducted)               Pass

    2.1051          Unwanted Emissions (Transmitter Conducted)     Pass

    2.1053          Field Strength of Spurious Radiation           Pass
    90.210,
                    Emission Masks (Occupied Bandwidth)            Pass
    2.1049
    2.1047          Audio Low Pass Filter (Voice Input)            Pass

    2.1047          Audio Frequency Response                       Pass

    2.1047(a)       Modulation Limiting                            Pass

    90.213          Frequency Stability (Temperature Variation)    Pass

    90.213          Frequency Stability (Voltage Variation)        Pass

    90.214          Transient Frequency Behavior                   Pass

    2.202           Necessary Bandwidth Calculation                Pass




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Carrier Output Power (Conducted)
      Name of Test:                     Carrier Output Power (Conducted)           Engineer: Alex Macon
      Test Equipment Utilized:          i00054, i00118, i00379                     Test Date: 7/19/13

                                             Measurement Procedure

The Equipment Under Test (EUT) was connected to a spectrum analyzer through a 30 dB Power attenuator. All cable and
attenuator losses were input into the spectrum analyzer as a reference level offset to ensure accurate readings were
obtained.

                                                      Test Setup

                                                         30 dB                        Spectrum
                             EUT
                                                       Attenuator                     Analyzer




                                   High Power Transmitter Peak Output Power

              Tuned Frequency        Recorded Measurement           Recorded Measurement
                                                                                                 Result
                   (MHz)                    (dBm)                          (Watts)
                    450.05                     37.0                          5                   Pass

                    481.05                    36.97                         4.98                 Pass

                    511.95                     37.0                          5                   Pass




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Conducted Spurious Emissions
       Name of Test:                        Conducted Spurious Emissions           Engineer: Alex Macon
       Test Equipment Utilized:             i00054, i00118, i00379                 Test Date: 7/19/13

                                                  Test Procedure

The EUT was connected directly to a spectrum analyzer to verify that the UUT met the requirements for spurious
emissions. A tunable notch filter was utilized to ensure the fundamental did not put the spectrum analyzer into
compression. The resolution bandwidth set for 1 MHz and the reference level was adjusted to ensure the system had
                                                                                                      th
sufficient dynamic range to measure spurious emissions. The frequency range from 30 MHz to the 10 harmonic of the
fundamental transmitter was observed and plotted.

                                                    Test Setup


                                                    Tunable Notch                    Spectrum
                          EUT
                                                        Filter                       Analyzer



                        High Power Conducted Spurious Emissions Summary Test Table

      Tuned Frequency      Spurious Frequency     Measured Spurious Level      Specification Limit
                                                                                                      Result
           (MHz)                  (MHz)                   (dBm)                      (dBm)
            450.05                900.05                    -37.68                     -13             Pass

            481.05                2824.4                    -38.98                     -13             Pass

            511.95                2842.9                    -39.95                     -13             Pass




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450.05 MHz




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481.05 MHz




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511.95 MHz




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Field Strength of Spurious Radiation
       Name of Test:                     Field Strength of Spurious Radiation       Engineer: Alex Macon
       Test Equipment Utilized:          i00267,i00271, i00379                      Test Date: 7/23/13

                                                    Test Procedure

   A) Connect the equipment as illustrated below.
   B) Adjust the spectrum analyzer to the following settings:
           1) Resolution Bandwidth 100 kHz (< 1 GHZ), 1 MHZ (> 1GHz)
           2) Video Bandwidth ≥ 3 times Resolution Bandwidth, or 30 kHz
           3) Sweep Speed ≤2000 Hz/second
           4) Detector Mode = Mean or Average Power
   C) Place the transmitter to be tested on the turntable in the standard test site. The transmitter is transmitting into a
      non- radiating load that is placed on the turntable. The RF cable to this load should be of minimum length.
   D) For each spurious measurement the test antenna should be adjusted to the correct length for the frequency
      involved. This length may be determined from a calibration ruler supplied with the equipment. Measurements
      shall be made from the lowest radio frequency generated in the equipment to the tenth harmonic of the carrier,
      except for the region close to the carrier equal to ± the test bandwidth (see Section 1.3.4.4).
   E) For each spurious frequency, raise and lower the test antenna from 1 m to 4 m to obtain a maximum reading on
      the spectrum analyzer with the test antenna at horizontal polarity. Repeat this procedure to obtain the highest
      possible reading. Record this maximum reading.
   F) Repeat Step E) for each spurious frequency with the test antenna polarized vertically.
   G) Reconnect the equipment as illustrated.
   H) Keep the spectrum analyzer adjusted as in Step B).
   I) Remove the transmitter and replace it with a substitution antenna (the antenna should be half wavelength for
      each frequency involved). The center of the substitution antenna should be approximately at the same location
      as the center of the transmitter. At lower frequencies, where the substitution antenna is very long, this will be
      impossible to achieve when the antenna is polarized vertically. In such case the lower end of the antenna should
      be 0.3 m above the ground.
   J) Feed the substitution antenna at the transmitter end with a signal generator connected to the antenna by means
      of a non-radiating cable. With the antennas at both ends horizontally polarized and with the signal generator
      tuned to a particular spurious frequency, raise and lower the test antenna to obtain a maximum reading at the
      spectrum analyzer. Adjust the level of the signal generator output until the previously recorded maximum reading
      for this set of conditions is obtained. This should be done carefully repeating the adjustment of the test antenna
      and generator output.
   K) Repeat Step J) with both antennas vertically polarized for each spurious frequency.
   L) Calculate power in dBm into a reference ideal half-wave dipole antenna by reducing the readings obtained in
      Steps J) and K) by the power loss in the cable between the generator and the antenna and further corrected for
      the gain of the substitution antenna used relative to an ideal half-wave dipole antenna.
   M) The levels recorded in Step L) are absolute levels of radiated spurious emissions in dBm. The radiated spurious
      emissions in dB can be calculated by the following:

               Radiated spurious emissions dB = 10log10 (TX power in watts/0.001) – the levels in Step I)

                NOTE: It is permissible that the other antennas provided can be referenced to a dipole.




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Test Setup




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                             Test Results

                             450.05 MHz

Emission Frequency      Measured Level           Limit
                                                               Result
       (MHz)                (dBm)               (dBm)
       900.10                -50.14               -13           Pass

      1350.15                -55.54               -13           Pass

      1800.20                -65.97               -13           Pass

                             481.05 MHz

Emission Frequency      Measured Level           Limit
                                                               Result
       (MHz)                (dBm)               (dBm)
      962.081                -51.22               -13           Pass

      1443.15                 -58.0               -13           Pass

      1924.43                -70.16               -13           Pass

                             511.95 MHz

Emission Frequency      Measured Level           Limit
                                                               Result
       (MHz)                (dBm)               (dBm)
      1023.90                -45.77               -13           Pass

      1535.86                -52.54               -13           Pass

      2047.83                -56.06               -13           Pass



No other emissions were detected. All emissions were less than –13 dBm.




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Emission Masks (Occupied Bandwidth)
     Name of Test:                  Emission Masks (Occupied Bandwidth)               Engineer: Alex Macon
     Test Equipment Utilized:       i00054, i00118, i00379                            Test Date: 7/19/13

                                                Measurement Procedure

The EUT was connected directly to a spectrum analyzer to verify that the EUT meets the required emissions mask. A
reference level plot is provided to verify that the peak power was established prior to testing the mask. A modulation
frequency of 2.5 kHz at a level of 100 mVPP was input into the EUT.

                                                       Test Setup


               Function                                                                            Spectrum
                                             EUT                     Attenuator
               Generator                                                                           Analyzer




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450.05 MHz

Reference




 Mask E




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 Mask D




481.01 MHz

Reference




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Mask E




Mask D




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511.95 MHz

Reference




 Mask E




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Mask D




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Transient Frequency Behavior
       Name of Test:                      Transient Frequency Behavior             Engineer: Alex Macon
       Test Equipment Utilized:           i00345                                   Test Date: 7/23/13

                                              Measurement Procedure

The EUT was connected directly to a modulation analyzer through a 30 dB attenuator to verify that the EUT meets the
required Transient Frequency Behavior response per the specification. The modulation analyzer is a real time spectrum
analyzer with integrated demodulation, audio measurement capabilities, and timing analysis. The turn on and turn off
transient timing was measured and recorded.



                                                      Test Setup


                                                          30 dB                        Modulation
                           EUT
                                                        Attenuator                      Analyzer




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Test Results On Time




Test Results Off Time




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Audio Low Pass Filter (Voice Input)
       Name of Test:                                  Audio Low Pass Filter (Voice Input)       Engineer: Alex Macon
       Test Equipment Utilized:                       i00118, i00345                            Test Date: 7/22/13

                                                         Measurement Procedure

The EUT was connected directly to a modulation analyzer through an attenuator. The audio source was tuned across the
required audio frequency range and the audio low pass filter response was measured and plotted. The modulation
analyzer is a real time spectrum analyzer with integrated demodulation, audio measurement capabilities, and timing
analysis.


                                                                    Test Setup




                                                                                                                     Modulation
      Audio Source                                   EUT                         30 dB Attenuator
                                                                                                                      Analyzer




                                                           Measurement Results


                                                   Audio Low Pass Filter Response

                                     0.00
             Filter Response (dB)




                                    -10.00


                                    -20.00


                                    -30.00


                                    -40.00


                                    -50.00


                                    -60.00
                                                                                        10000
                                             100




                                                                                                                 100000
                                                             1000




                                                           Audio Input Frequency (Hz)




    This unit is a digital radio and the roll-off for the filter is very linear in the operational band and sharp out of band.




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Audio Frequency Response
      Name of Tests:                                 Audio Frequency Response                  Engineer: Alex Macon
      Test Equipment Utilized:                       i00118, i00345                            Test Date: 7/22/13

                                                           Measurement Procedure

The EUT was connected directly to a modulation analyzer through an attenuator. The audio source was tuned across the
required audio frequency range and the audio frequency response was measured and plotted. The modulation analyzer is
a real time spectrum analyzer with integrated demodulation, audio measurement capabilities, and timing analysis.

                                                                 Test Setup



                                                                                                                 Modulation
     Audio Source                                    EUT                         30 dB Attenuator
                                                                                                                  Analyzer




                                                                Test Results


                                                     Audio Frequency Response
                                      10.00
            Frequency Response (dB)




                                       5.00



                                       0.00



                                       -5.00



                                      -10.00



                                      -15.00
                                                                                                                 10000
                                                                          1000
                                               100




                                                           Audio Input Frequency (Hz)




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Modulation Limiting
      Name of Test:                                     Modulation Limiting                          Engineer: Alex Macon
      Test Equipment Utilized:                          i00118, i00345                               Test Date: 7/22/13

                                                              Measurement Procedure

The EUT was connected directly to a modulation analyzer through an attenuator. The audio source was tuned across the
required audio frequency range and the modulation limiting response was measured and plotted. The modulation analyzer
is a real time spectrum analyzer with integrated demodulation, audio measurement capabilities, and timing analysis.

                                                                      Test Setup


                                                                                                                      Modulation
     Audio Source                                       EUT                           30 dB Attenuator
                                                                                                                       Analyzer




                                                              Positive Peak Deviation


                                                              Positive Peak Deviation (kHz)
                                           2.50

                                           2.00
                         Deviation (KHz)




                                           1.50

                                           1.00

                                           0.50

                                           0.00
                                                                                                             10000
                                                  100




                                                                               1000




                                                                   Audio Input Frequency (Hz)



                                                              Negative Peak Deviation


                                                           Negative Peak Deviation (kHz)
                                           2.50

                                           2.00
                         Deviation (KHz)




                                           1.50

                                           1.00

                                           0.50

                                           0.00
                                                                                                             10000
                                                  100




                                                                               1000




                                                                   Audio Input Frequency (Hz)




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Frequency Stability
      Name of Test:                                      Frequency Stability                              Engineer: Alex Macon
      Test Equipment Utilized:                           i00054, i00027, i00320, i00343, i00379           Test Date: 7/22/13

                                                                 Measurement Procedure

The EUT was placed in an environmental test chamber and the RF output was connected directly to a spectrum analyzer.
The temperature was varied from -30°C to 50°C in 10°C increments. After a sufficient time for temperature stabilization
the RF output frequency was measured. At 20°C the power supply voltage to the EUT was varied from 85% to 115% of
the nominal value and the RF output was measured.

Tuned Frequency – 450.05 MHz
Tolerance – 1 ppm
Upper Limit –450.049550
Lower Limit - 450.050450
                                                                    Measurement Setup


                                                                                                          Spectrum
                                           EUT                           Attenuation
                                                                                                          Analyzer


                                                                   Measurement Results


                                                  Frequency Stability vs. Temperature
                           450.051
                           450.050                                                                                   Upper Limit
                           450.050
        Frequency (MHz)




                           450.050
                           450.050
                           450.050                                                                                   Measured
                                                                                                                     Frequency
                           450.050
                           450.050
                           450.050                                                                                   Lower Limit
                           450.050
                           450.050
                                     -30    -20     -10        0     10      20     30            40     50
                                                              Temperature (Centigrade)



                                                               Frequency Stability vs. Voltage
                           450.051
                           450.050                                                                                   Upper Limit
                           450.050
         Frequency (MHz)




                           450.050
                           450.050
                           450.050                                                                                   Measured
                           450.050                                                                                   Frequency
                           450.050
                           450.050                                                                                   Lower Limit
                           450.050
                           450.050
                                  6.25            6.75             7.25          7.75             8.25
                                                                      Voltage



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Necessary Bandwidth Calculations
     Name of Test:               Necessary Bandwidth Calculations   Engineer: Alex Macon
     Test Specification:         2.202                              Test Date: 7/23/13



                         Modulation = 11K0F3E

                  Necessary Bandwidth Calculation:

           Maximum Modulation (M), kHz                          =             3

           Maximum Deviation (D), kHz                           =            2.5

           Constant Factor (K)                                  =             1

           Necessary Bandwidth (BN), kHz                        =       (2xM)+(2xDxK)

                                                                =            11.0



                          Modulation =4K00F1E

                   Necessary Bandwidth Calculation:

            Maximum Modulation (M), kHz                         =            .75

            Maximum Deviation (D), kHz                          =           1.25

            Constant Factor (K)                                 =             1

            Necessary Bandwidth (BN), kHz                       =       (2xM)+(2xDxK)

                                                                =            4.0



                          Modulation =4K00F1D

                   Necessary Bandwidth Calculation:

            Data Rate (R) Kbps                                  =            1.0

            Maximum Deviation (D), kHz                          =           1.25

            Necessary Bandwidth (BN), kHz                       =        2.4D+1.0R

                                                                =            4.0




                                                                       p1370017_FCC_Part 90_Rev 2.0
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              Modulation =4K00F7W

       Necessary Bandwidth Calculation:

Data Rate (R) Kbps                        =       1.806

Maximum Deviation (D), kHz                =       1.25

Signaling States                          =         4

Constant Factor (K)                       =         1

Necessary Bandwidth (BN), kHz             =   (R/log2S)+2DK

                                          =        8.3



              Modulation =4K00F2D

       Necessary Bandwidth Calculation:

Data Rate (R) Kbps                        =        1.0

Maximum Deviation (D), kHz                =       1.25

Necessary Bandwidth (BN), kHz             =     2.4D+1.0R

                                          =        4.0




                                              p1370017_FCC_Part 90_Rev 2.0
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Test Equipment Utilized

                                                                                      CT Asset     Last Cal    Cal Due
           Description                       MFG                Model Number
                                                                                      Number        Date        Date
 Power Supply                                 HP                     6286A              i00054       NCR         NCR

 Temperature Chamber                       Tenney                  Tenney Jr.           i00027      Verified on: 7/22/13

 Function Generator                           HP                    33120A              i00118      Verified on: 7/22/13

 Tunable Notch Filter                       Eagle            TNF-1-(250-850MHz)         i00124       NCR         NCR

 Bi-Log Antenna                           Schaffner                CBL611C              i00267     12/19/11    12/19/13

 Horn Antenna, Amplified                     ARA                  DRG-118/A             i00271      4/19/12     4/19/14

 Humidity / Temp Meter                     Newport                IBTHX-W-5             i00282      12/4/12     12/4/13

 Voltmeter                                  Fluke                     75III             i00320      2/1/13      2/1/14

 Spectrum Analyzer                          Agilent                 E4407B              i00331      4/23/13     4/23/14

 Data Logger                                Fluke              Hydra Data Bucket        i00343     12/19/12    12/19/13

 Spectrum Analyzer                        Tektronix                RSA3308A             i00345     10/16/12    10/16/13

 EMI Analyzer                               Agilent                 E7405A              i00379     11/21/12    11/21/13

 Thermo Hygrometer                         Omega                     RH81               i00408      4/15/13     4/15/15

In addition to the above listed equipment standard RF connectors and cables were utilized in the testing of the described
equipment. Prior to testing these components were tested to verify proper operation.




END OF TEST REPORT




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Document Created: 2013-08-01 16:50:19
Document Modified: 2013-08-01 16:50:19

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