Test Report NII DFS

FCC ID: IHDT56XR1

Test Report

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FCCID_4117356

            FCC RF Test Report                                                      Report No. : FZ892103




DYNAMIC FREQUENCY SELECTION
                                  DFS Test Report
      APPLICANT                        : Motorola Mobility LLC
      EQUIPMENT                        : Mobile Cellular Phone
      BRAND NAME                       : Motorola
      MODEL NAME                       :   XT1952-3;XT1952-4;XT1952DL
      FCC ID                           :   IHDT56XR1
      STANDARD                         :   FCC Part 15 Subpart E
      CLASSIFICATION                   :   (NII) Unlicensed National Information Infrastructure

      The product was received on Sep. 21, 2018 and testing was completed on Oct. 25, 2018. We,
      Sporton International (Kunshan) Inc., would like to declare that the tested sample has been
      evaluated in accordance with the test procedures and has been in compliance with the
      applicable technical standards.

      The test results in this report apply exclusively to the tested model / sample. Without written
      approval of Sporton International (Kunshan) Inc., the test report shall not be reproduced
      except in full.




               Approved by: James Huang / Manager
                               Sporton International (Kunshan) Inc.
               No. 1098, Pengxi North Road, Kunshan Economic Development Zone,
                                  Jiangsu Province 215335 China

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               FCC RF Test Report                                                                                                Report No. : FZ892103




                                                    TABLE OF CONTENTS

REVISION HISTORY.......................................................................................................................................... 3

SUMMARY OF DYNAMIC FREQUENCY SELECTION TEST.......................................................................... 4

1    GENERAL DESCRIPTION .......................................................................................................................... 5
      1.1       Applicant ........................................................................................................................................... 5
      1.2       Manufacturer ..................................................................................................................................... 5
      1.3       Feature of Equipment Under Test .................................................................................................... 5
      1.4       Product Specification of Equipment Under Test ............................................................................... 5
      1.5       Modification of EUT .......................................................................................................................... 6
      1.6       Specification of Accessory ................................................................................................................ 6
      1.7       Testing Site ....................................................................................................................................... 6
      1.8       Applied Standards ............................................................................................................................ 7
      1.9       Support Unit used in test configuration and system ......................................................................... 7
      1.10      Test tool software version ................................................................................................................. 7
2    REQUIREMENTS AND PARAMETERS FOR DFS TEST .......................................................................... 8
      2.1       Applicability of DFS Requirements ................................................................................................... 8
      2.2       Interference Threshold values, Master or Client incorporating In-Service Monitoring ................... 10
      2.3       DFS Response requirement values ................................................................................................ 11
      2.4       Short Pulse Radar Test Waveforms ............................................................................................... 12
3    CALIBRATION SETUP AND DFS TEST RESULTS ................................................................................ 13
      3.1       Calibration of Radar Waveform ...................................................................................................... 13
      3.2       In-Service Monitoring: Channel Move Time, Channel Closing Transmission Time and
                Non-Occupancy Period ................................................................................................................... 15
4    LIST OF MEASURING EQUIPMENT ........................................................................................................ 21

APPENDIX A. SETUP PHOTOGRAPHS




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            FCC RF Test Report                                                      Report No. : FZ892103




                                          REVISION HISTORY

   REPORT NO.           VERSION                             DESCRIPTION                    ISSUED DATE

     FZ892103            Rev. 01       Initial issue of report                              Dec. 20, 2018




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             FCC RF Test Report                                                          Report No. : FZ892103




       SUMMARY OF DYNAMIC FREQUENCY SELECTION TEST

                         Bandwidth
         UNII               and            Description         Measured               Limit                Result
                          Channel

                                        Channel Move Time      441.615ms              10 sec                 Pass
   UNII Band 2-A
   5250-5350MHz            40MHz                                <200ms +            200 ms +
                                         Channel Closing
         &                (CH100)                                 2.4ms      aggregate of 60 ms over         Pass
                                        Transmission time
   UNII Band 2-C          5510MHz                             (aggregate)     remaining 10 s period
   5470-5725MHz                          Non-Occupancy       No transmission
                                         Period and Client     or Beacons          30 minutes                Pass
                                           Beacon Test          occurred
Note: Since the product is client without radar detection function, only Channel Move Time, Channel Closing
Transmission Time and Non-Occupancy Period Test are required to be performed.




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            FCC RF Test Report                                                         Report No. : FZ892103


1 General Description
1.1 Applicant
       Motorola Mobility LLC
       222 W,Merchandise Mart Plaza, Chicago IL 60654 USA


1.2 Manufacturer
       Motorola Mobility LLC
       222 W,Merchandise Mart Plaza, Chicago IL 60654 USA


1.3 Feature of Equipment Under Test
                                                   Product Feature
        Equipment                                 Mobile Cellular Phone
        Brand Name                                Motorola
        Model Name                                XT1952-3;XT1952-4;XT1952DL
        FCC ID                                    IHDT56XR1
                                                  CDMA/EV-DO/GSM/EGPRS/WCDMA/HSPA/LTE/FM/GNSS
                                                  WLAN 11b/g/n HT20
        EUT supports Radios application
                                                  WLAN 11a/n HT20/HT40
                                                  Bluetooth BR/EDR/LE
        IMEI Code                                 359512090015372
        HW Version                                DVT 2
        SW Version                                PPY29.17
        EUT Stage                                 Production Unit
       Remark: The above EUT's information was declared by manufacturer. Please refer to the specifications
       or user's manual for more detailed description.



1.4       Product Specification of Equipment Under Test
                                   Product Specification subjective to this standard
        DFS Function                                  Client without radar detection function
                                                      5260 MHz ~ 5320 MHz
        Tx/Rx Channel Frequency Range
                                                      5500 MHz ~ 5700 MHz
                                                      <5260 MHz ~ 5320 MHz>
                                                      802.11a
                                                      802.11n HT20
                                                      802.11n HT40
        EUT support WLAN function
                                                      <5500 MHz ~ 5700 MHz >
                                                      802.11a
                                                      802.11n HT20
                                                      802.11n HT40
        Type of Modulation                            OFDM (BPSK / QPSK / 16QAM / 64QAM)



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1.5 Modification of EUT
       No modifications are made to the EUT during all test items.



1.6 Specification of Accessory
                                              Specification of Accessory
                            Brand Name         Motorola(Salom)       Model Name          SC-41
       AC Adapter 1
                            Power Rating       I/P: 100 - 240 Vac, 0.13A, O/P: 5Vdc 2000mA
                            Brand Name         Motorola(Acbel)       Model Name          SC-41
       AC Adapter 2
                            Power Rating       I/P: 100 - 240 Vac, 0.13A, O/P: 5Vdc 2000mA
                            Brand Name         Motorola(SCUD)        Model Name          JE40
       Battery
                            Power Rating       3.8Vdc, 3000mAh       Type                Li-ion
                                                                                         L32B-053000100/
                            Brand Name         LiQi                  Model Name
       USB Cable 1                                                                       L32B-053000100L
                            Signal Line        1.0 meter, shielded cable, without ferrite core
                                                                                         S32B-053000100/
                            Brand Name         SaiBao                Model Name
       USB Cable 2                                                                       S32B-053000100L
                            Signal Line        1.0 meter, shielded cable, without ferrite core



1.7 Testing Site
               Test Site           SPORTON INTERNATIONAL INC.
                                   No. 1098, Pengxi North Road, Kunshan Economic Development Zone,
                                   Jiangsu Province 215335, China
         Test Site Location
                                   TEL : 86-512-57900158
                                   FAX : 86-512-57900958
                                   Sporton Site No.
            Test Site No.
                                   DFS01-KS




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1.8 Applied Standards
       According to the specifications of the manufacturer, the EUT must comply with the requirements of the
       following standards:
             FCC Part 15 Subpart E
             FCC KDB 905462 D02 UNII DFS Compliance Procedures New Rules
             FCC KDB 905462 D03 UNII Clients Without Radar Detection New Rules


       Remark: All test items were verified and recorded according to the standards and without any deviation
       during the test.



1.9 Support Unit used in test configuration and system
        Item Equipment Trade Name Model Name               FCC ID       HW / FW Version      Power Cord

                                                                        HW:NA
        1.    WLAN AP      Cisco       Air-CAP3072E-A-K9   LDK102087                         Shielded, 1.8 m
                                                                        FW: 15.2(4)JB6

                                                                                             AC I/P:

                                                                                             Unshielded, 1.2 m
        2.    Notebook     Lenovo      Edge E335           PPD-AR5B95 N/A
                                                                                             DC O/P:

                                                                                             Shielded, 1.8 m




1.10 Test tool software version
       Item    Trade Name               Model Name                             FW Version

       1.      KEY-SIGHT                N7607B Signal Studio                   3.0.0.0




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2 Requirements and Parameters for DFS Test
2.1 Applicability of DFS Requirements
       EUT is client and operates as client without radar detection function.

           Table 1: Applicability of DFS Requirements Prior to Use of a Channel

                                                                        Operational Mode

                                                                                Client             Client With
                       Requirement
                                                         Master           Without Radar               Radar
                                                                            Detection               Detection

                 Non-Occupancy Period                      Yes             Not required                 Yes


                DFS Detection Threshold                    Yes             Not required                 Yes

           Channel Availability Check Time                 Yes             Not required            Not required

               U-NII Detection Bandwidth                   Yes             Not required                 Yes



            Table 2: Applicability of DFS requirements during normal operation

                                                                        Operational Mode
                                                                                Client                Client
                       Requirement
                                                         Master           Without Radar            With Radar
                                                                            Detection               Detection
                DFS Detection Threshold                    Yes             Not required                 Yes
         Channel Closing Transmission Time                 Yes                   Yes                    Yes
                   Channel Move Time                       Yes                   Yes                    Yes
               U-NII Detection Bandwidth                   Yes             Not required                 Yes
                    Client Beacon Test                     N/A                   Yes                    Yes




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                                                                        Operational Mode
         Additional requirements for devices                Master or
                                                                                              Client
            with multiple bandwidth modes                  Client With
                                                                                  Without Radar Detection
                                                        Radar Detection
            U-NII Detection Bandwidth and                All BW modes
                                                                                          Not required
            Statistical Performance Check                must be tested
                                                                                     Test using the widest
           Channel Move Time and Channel              Test using widest BW
                                                                                      BW mode available
               Closing Transmission Time                 mode available
                                                                                           for the link
                      All other tests                 Any single BW mode                  Not required
        Note
        Frequencies selected for statistical performance check (Section 7.8.4) should include
        several frequencies within the radar detection bandwidth and frequencies near the edge of
        the radar detection bandwidth. For 802.11 devices it is suggested to select frequencies in
        each of the bonded 20 MHz channels and the channel center frequency.




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2.2 Interference Threshold values, Master or Client incorporating
    In-Service Monitoring
                      Maximum Transmit Power                              Value (see notes 1 and 2)
                              ≥ 200 milliwatt                                       -64 dBm
                              < 200 milliwatt                                       -62 dBm
        Note 1: This is the level at the input of the receiver assuming a 0 dBi receive antenna.
        Note 2: Throughout these test procedures an additional 1 dB has been added to the amplitude of the
        test transmission waveforms to account for variations in measurement equipment. This will ensure
        that the test signal is at or above the detection threshold level to trigger a DFS response.
       The radar Detection Threshold, lowest antenna gain is the parameter of Interference radar DFS
       detection threshold, The Interference Detection Threshold is the ( -62dBm) + (0) [dBi]+ 1 dB= -61 dBm.




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2.3 DFS Response requirement values
                         Parameter                                               Value
        Non-occupancy period                          Minimum 30 minutes
        Channel Availability Check Time               60 seconds
        Channel Move Time                             10 seconds See Note 1.
        Channel Closing Transmission Time             200 milliseconds + an aggregate of 60 milliseconds over
                                                      remaining 10 second period. See Notes 1 and 2.
        U-NII Detection Bandwidth                     Minimum 100% of the 99% power bandwidth
                                                      See Note 3.
        Note 1: The instant that the Channel Move Time and the Channel Closing Transmission Time begins
        is as follows:
           • For the Short pulse radar Test Signals this instant is the end of the Burst.
           • For the Frequency Hopping radar Test Signal, this instant is the end of the last radar Burst
           generated.
           • For the Long Pulse radar Test Signal this instant is the end of the 12 second period defining the
           radar transmission.
        Note 2: The Channel Closing Transmission Time is comprised of 200 milliseconds starting at the
        beginning of the Channel Move Time plus any additional intermittent control signals required to
        facilitate Channel changes (an aggregate of 60 milliseconds) during the remainder of the 10 second
        period. The aggregate duration of control signals will not count quiet periods in between
        transmissions.
        Note 3: During the U-NII Detection Bandwidth detection test, radar type 0 is used and for each
        frequency step the minimum percentage of detection is 90%. Measurements are performed with no
        data traffic.




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2.4 Short Pulse Radar Test Waveforms
         As the EUT is a Client Device with no Radar Detection, only one type radar pulse is required for the

         testing. Radar Pulse type 0 was used in the evaluation of the Client device for the purpose of
         measuring the Channel Move Time and the Channel Closing Transmission Time.


                                                                                   Minimum
                     Pulse
           Radar                                                                Percentage of           Minimum
                     Width            PRI (usec)       Number of Pulses                                    .
            Type                                                                  Successful               Trials
                     (Lsec)                                                              .
                                                                                   Detection
                0          1             1428                  18                     60%                       30



                                        Test A                      360
                1          1                         Roundup                          60%                       30
                                        Test B                   [19.10“ j‘
                                                                    PRI;uec



                2         1—5          150—230                23—29                   60%                       30
                3     6—10             200—500                16—18                   60%                       30
                4     11—20            200—500                1216                    60%                       30
          Aggregate (Radar Types 1—4)                                                 80%                      120



         Test A: 15 unique PRI values randomly selected from the list of 23 PRI values in Table Sa
         Test B: 15 unique PRI values randomly selected within the range of 518—3066 sec, with a minimum
         increment of 1        sec, excluding PRI values selected in Test A


         A minimum of 30 unique waveforms are required for each of the short pulse radar types 2 through 4.
         For short pulse radar type 1, the same waveform is used a minimum of 30 times. If more than 30
         waveforms are used for short pulse radar types 2 through 4, then each additional waveform must also
         be unique and not repeated from the previous waveforms.


         If more than 30 waveforms are used for Short Pulse Radar Type 1, then each additional waveform is
         generated with Test B and must also be unique and not repeated from the previous waveforms in Tests
         Aor B.


         The aggregate is the average of the percentage of successful detections of short pulse radar types 1—4.




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3 Calibration Setup and DFS Test Results
3.1 Calibration of Radar Waveform
3.1.1 Radar Waveform Calibration Procedure
       The Interference Radar Detection Threshold Level is (-62dBm) + (0) [dBi]+ 1 dB= -61dBm that had
       been taken into account the output power range and antenna gain. The following equipment setup was
       used to calibrate the radiated Radar Waveform. A vector signal generator was utilized to establish the
       test signal level for radar type 0. During this process there were no transmissions by either the Master
       or Client Device. The spectrum analyzer was switched to the zero span (Time Domain) at the frequency
       of the Radar Waveform generator. Peak detection was used. The spectrum analyzer resolution
       bandwidth (RBW) and video bandwidth (VBW) were set to 3 MHz to measure the type 0 radar
       waveform. The spectrum analyzer had offset -5.82dB to compensate receiving horn antenna gain
       10.32dBi and RF cable loss 4.5dB. The vector signal generator amplitude was set so that the power
       level measured at the spectrum analyzer was (-62dBm) + (0) [dBi]+ 1 dB= -61 dBm. Capture the
       spectrum analyzer plots on short pulse radar waveform.


3.1.2 Radiated Calibration Setup




3.1.3 Calibration Deviation
       There is no deviation with the original standard.




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3.1.4 Radar Waveform Calibration Result
                                       <40MHz / 5510 MHz> Radar Type 0

        Radar / DFS detection threshold level and the burst of pulses on the Channel frequency




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3.2 In-Service Monitoring: Channel Move Time, Channel Closing
    Transmission Time and Non-Occupancy Period
3.2.1 Limit of In-Service Monitoring
      The EUT has In-Service Monitoring function to continuously monitor the radar signals, If radar is
detected, it must leave the channel (Shutdown). The Channel Move Time to cease all transmissions on the
current Channel upon detection of a Radar Waveform above the DFS Detection Threshold within 10 sec. The
total duration of Channel Closing Transmission Time is comprised of 200 milliseconds starting at the
beginning of the Channel Move Time plus any additional intermittent control signals required to facilitate
Channel changes (an aggregate of 60 milliseconds) during the remainder of the 10 second period. The
aggregate duration of control signals will not count quiet periods in between transmissions.
      Non-Occupancy Period time is 30 minute during which a Channel will not be utilized after a Radar
Waveform is detected on that Channel. The non-associated Client Beacon Test is during the 30 minutes
observation time. The EUT should not make any transmissions in the DFS band after EUT power up.




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3.2.2 Test Procedures
         1.    The radar pulse generator is setup to provide a pulse at frequency that the Master and Client are
               operating. A type 0 radar pulse with a 1us pulse width and a 1428 us PRI is used for the testing.
         2.    The vector signal generator is adjusted to provide the radar burst (18 pulses) at a level of
               approximately -62dBm at the antenna of the Master device.
         3.    A trigger is provided from the pulse generator to the DFS monitoring system in order to capture
               the traffic and the occurrence of the radar pulse.
         4.    A U-NII device operating as a Client Device will associate with the Master at Channel. The
               MPEG file “TestFile.mpg” specified by the FCC is streamed from the “file computer” through the
               Master to the Client Device and played in full motion video using Media Player Classic Ver.
               6.4.8.6 in order to properly load the network for the entire period of the test.
         5.    When a radar Burst with a level equal to the DFS Detection Threshold + 1dB is generated on the
               Operating Channel of the U-NII device. At time T0 the Radar Waveform generator sends a Burst
               of pulse of the radar waveform at Detection Threshold + 1dB.
         6.    Observe the transmissions of the EUT at the end of the radar Burst on the Operating Channel.
               Measure and record the transmissions from the EUT during the observation time (Channel Move
               Time). One 12 seconds plot is reported for the Short Pulse Radar Types 1. The plot for the Short
               Pulse Radar Types start at the end of the radar burst. The Channel Move Time will be calculated
               based on the zoom in 600ms plot of the Short Pulse Radar Type.
         7.    Measurement of the aggregate duration of the Channel Closing Transmission Time method.
               With the spectrum analyzer set to zero span tuned to the center frequency of the EUT operating
               channel at the radar simulated frequency, peak detection, and max hold, the dwell time per bin is
               given by: Dwell (0.4ms)= S (12000ms) / B (30000); where Dwell is the dwell time per spectrum
               analyzer sampling bin, S is the sweep time and B is the number of spectrum analyzer sampling
               bins. An upper bound of the aggregate duration of the intermittent control signals of Channel
               Closing Transmission Time is calculated by: C (ms)= N X Dwell (0.4 ms); where C is the Closing
               Time, N is the number of spectrum analyzer sampling bins (intermittent control signals) showing
               a U-NII transmission and Dwell is the dwell time per bin.
         8.    Measure the EUT for more than 30 minutes following the channel move time to verify that no
               transmissions or beacons occur on this Channel.




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3.2.3 Test Setup
      Radiated Test Setup Photo




3.2.4 Test Deviation
         There is no deviation with the original standard.




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3.2.5     Result of Channel Move Time, Channel Closing Transmission Time and
Non—Occupancy Period for Client Beacon Test
Test Mode :         Client without radar detection                 Temperature :                 25°C
Test Engineer : |Ocean Pei                                          Relative Humidity :          [41%


   BW / Channel                        Test Item                  Test Result               Limit             Pass/Fail

                                   Channel Move Time               441.615ms               < 10s                     Pass
                                                                    200ms +
 40MHz / 5510MHz         Channel Closing Transmission Time           24                  < 260ms                     Pass
                                                                      4A ms
                                 Non—Occupancy Period                    > 30            > 30 min                    Pass

Note: The Channel Closing Transmission Time is comprised of 200 milliseconds starting at the beginning of
the Channel Move Time plus any additional intermittent control signals required to facilitate a Channel move
(an aggregate of 60 milliseconds) during the remainder of the 10 seconds period. The aggregate duration of

control signals will not count quiet periods in between transmissions.




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3.2.6 Channel Move Time, Channel Closing Transmission Time and Non-Occupancy
Period for Client Beacon Test Plots

                                         <40MHz / 5510> In-Service Monitoring
                                             Channel Move Time &
                                       Channel Closing Transmission Time




                                                                       Non-associated test
                Non-Occupancy Period
                                                                   Master was off. (beacon test)




Note:
Dwell (0.4 ms)= Sweep Time (12000 ms) / Sweep Point Bins (30000)
Channel Closing Transmission Time (200 +2.4 ms) = 200 + Number (6 X Dwell (0.4 ms) < 260ms




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3.2.7 Data Traffic and Noise Floor Plots
                EUT data traffic (Client)                     Access Point data traffic (Master)




                                       Noise Floor (No transmission)




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  4 List of Measuring Equipment
                                                                          Calibration
Instrument     Manufacturer   Model No.    Serial No.   Characteristics                   Test Date      Due Date        Remark
                                                                             Date

   Signal                                                                                                                  DFS
                   R&S          FSV7        101472       10Hz~7GHz        Jan. 19, 2018 Oct. 25, 2018 Jan. 18, 2019
  Analyzer                                                                                                              (DFS01-KS)

  Signal                                                                                                                   DFS
                Key-Sight      N5182B     MY56200417    100KHz ~ 6GHz Feb. 06, 2018 Oct. 25, 2018 Feb. 05, 2019
 Generator                                                                                                              (DFS01-KS)
                 BEIJING      XB-WDB-A-                                                                                    DFS
Horn Antenna                                040505      1GHz ~ 18GHz      Jan. 21, 2018 Oct. 25, 2018 Jan. 20, 2019
                  XIBAO          18                                                                                     (DFS01-KS)
                                                                                                                           DFS
Horn Antenna   Com-Power       AHA-118      701030      1GHz ~ 18GHz      Oct. 20, 2018 Oct. 25, 2018   Oct. 19, 2019
                                                                                                                        (DFS01-KS)
                                           52467/9;                                                                        DFS
  RF cable     SUCOFLEX        104;106                  1GHz ~ 18GHz      Oct. 09, 2018 Oct. 25, 2018   Oct. 08, 2019
                                           MY9623/4                                                                     (DFS01-KS




  Sporton International (Kunshan) Inc.                                                   Page Number        : 21 of 21
  TEL : +86-512-57900158                                                                 Report Issued Date : Dec. 20, 2018
  FAX : +86-512-57900958                                                                 Report Version     : Rev. 01
  FCC ID: IHDT56XR1



Document Created: 2019-05-15 21:52:23
Document Modified: 2019-05-15 21:52:23

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