DFS Test Report

FCC ID: MSQASUS-P00J

Test Report

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FCCID_3379399

                                                               DFS Test Report

                       Report No.: RF170210C14-4

                            FCC ID: MSQASUS-P00J

                              Model: ASUS_P00J

                 Received Date: Feb. 10, 2017

                         Test Date: Mar. 27, 2017

                     Issued Date: Mar. 28, 2017


                         Applicant: ASUSTeK COMPUTER INC.

                          Address: 4F, No. 150, LI-TE RD., PEITOU, TAIPEI, TAIWAN



                        Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch

                    Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan

                  Test Location: No. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City
                                 33383, TAIWAN (R.O.C.)




This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted
only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this
report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product
unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you
provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided,
however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time
shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific
mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. The report
must not be used by the client to claim product certification, approval, or endorsement by TAF or any government agencies.




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                                                                    Table of Contents
Release Control Record .................................................................................................................................. 3
1          Certificate of Conformity...................................................................................................................... 4
2          EUT Information .................................................................................................................................... 5
     2.1      Operating Frequency Bands and Mode of EUT .................................................................................. 5
     2.2      EUT Hardware, Software and Firmware Version ................................................................................ 5
     2.3      Description of Available Antennas to the EUT .................................................................................... 5
     2.4      EUT Maximum Conducted Power ....................................................................................................... 6
     2.5      EUT Maximum E.I.R.P. Power ............................................................................................................ 7
     2.6      Transmit Power Control (TPC) ............................................................................................................ 8
     2.7      Statement of Maunfacturer.................................................................................................................. 8
3.         U-NII DFS Rule Requirements ............................................................................................................. 9
     3.1      Working Modes and Required Test Items ........................................................................................... 9
     3.2      Test Limits and Radar Signal Parameters......................................................................................... 10
4.         Test & Support Equipment List ......................................................................................................... 13
     4.1      Test Instruments ................................................................................................................................ 13
     4.2      Description of Support Units ............................................................................................................. 13
5.         Test Procedure .................................................................................................................................... 14
     5.1      DFS Measurement System ............................................................................................................... 14
     5.2      Calibration of DFS Detection Threshold Level .................................................................................. 15
     5.3      Deviation from Test Standard ............................................................................................................ 16
     5.4      Radiated Test Setup Configuration ................................................................................................... 16
     5.4.1    Client without Radar Detection Mode ................................................................................................ 16
6.         Test Results ......................................................................................................................................... 17
     6.1      Summary of Test Results .................................................................................................................. 17
     6.2      Test Results ....................................................................................................................................... 18
     6.2.1    Test Mode: Device Operating In Client without Radar Detection Mode. ........................................... 18
     6.2.2    Channel Closing Transmission and Channel Move Time.................................................................. 19
     6.2.3    Non-Occupancy Period ..................................................................................................................... 22
     6.2.4    Non-Associated Test.......................................................................................................................... 23
     6.2.5    Non-Co-Channel Test ........................................................................................................................ 23
7.         Information on the Testing Laboratories .......................................................................................... 24




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                                            Release Control Record


Issue No.                   Description                                     Date Issued
RF170210C14-4               Original release.                               Mar. 28, 2017




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1    Certificate of Conformity


            Product: ASUS Tablet

              Brand: ASUS

       Model Name: ASUS_P00J

    Sample Status: Identical Prototype

          Applicant: ASUSTeK COMPUTER INC.

          Test Date: Mar. 27, 2017

         Standards: FCC Part 15, Subpart E (Section 15.407)

                        KDB 905462 D03 UNII Clients Without Radar Detection New Rules v01r02



The above equipment has been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd.,
Taoyuan Branch, and found compliance with the requirement of the above standards. The test record, data
evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts
of the measurements of the sample’s EMC characteristics under the conditions specified in this report.




      Prepared by :                                              , Date:        Mar. 28, 2017
                            Pettie Chen / Senior Specialist




     Approved by :                                               , Date:        Mar. 28, 2017
                              Ken Liu / Senior Manager




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2       EUT Information

 2.1      Operating Frequency Bands and Mode of EUT
                             TABLE 1: Operating Frequency Bands and Mode of EUT

                                                          Operating Frequency Range
              Operational Mode
                                                5250~5350MHz                  5470~5725MHz
Client without radar detection and ad
                                                                                     
            hoc function

 2.2      EUT Hardware, Software and Firmware Version
                               Table 2: The EUT Hardware/Software/Firmware Version

    No.              Product                 Model            Hardware/Software/Firmware Version

                                                            Android version: 7.0
    1              ASUS Tablet            ASUS_P00J         Software information:
                                                            VZW_V3.2.0_20170302




 2.3      Description of Available Antennas to the EUT
                                              Table 3: Antenna List

                                                 Operation Frequency
     ANT No.              Antenna Type                                              Gain (dBi)
                                                    Range (MHz)
          1                    PIFA                  5250-5350 MHz                    0.51
          1                    PIFA                  5470-5725 MHz                    1.03
          2                    PIFA                  5250-5350 MHz                    0.37
          2                    PIFA                  5470-5725 MHz                    0.27




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 2.4       EUT Maximum Conducted Power
                             Table 4: The Measured Conducted Output Power
802.11a

                                                             MAX. Power
 ANT No.       Frequency Band (MHz)
                                          Output Power(dBm)          Output Power(mW)
       1              5250~5350                    13.28                    21.281
       1              5470~5725                    13.47                    22.233

802.11n HT20

                                                             MAX. Power
 ANT No.       Frequency Band (MHz)
                                          Output Power(dBm)          Output Power(mW)
       1              5250~5350                    11.36                    13.677
       1              5470~5725                    12.89                    19.454


802.11n HT40

                                                             MAX. Power
 ANT No.       Frequency Band (MHz)
                                          Output Power(dBm)          Output Power(mW)
       1              5250~5350                    12.63                    18.323
       1              5470~5725                    12.72                    18.707


802.11ac VHT80

                                                             MAX. Power
 ANT No.       Frequency Band (MHz)
                                          Output Power(dBm)          Output Power(mW)
       1              5250~5350                    10.89                    12.274
       1              5470~5725                    10.71                    11.776




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 2.5       EUT Maximum E.I.R.P. Power
                                  Table 5: The EIRP Output Power List
802.11a

                                                             MAX. Power
 ANT No.        Frequency Band (MHz)
                                          Output Power(dBm)             Output Power(mW)
       1              5250~5350                    13.79                     23.933
       1              5470~5725                    14.50                     28.184

802.11n HT20

                                                             MAX. Power
 ANT No.        Frequency Band (MHz)
                                          Output Power(dBm)             Output Power(mW)
       1              5250~5350                    11.87                     15.382
       1              5470~5725                    13.92                     24.660

802.11n HT40

                                                             MAX. Power
 ANT No.        Frequency Band (MHz)
                                          Output Power(dBm)             Output Power(mW)
       1              5250~5350                    13.14                     20.606
       1              5470~5725                    13.75                     23.714


802.11ac VHT80

                                                             MAX. Power
 ANT No.        Frequency Band (MHz)
                                          Output Power(dBm)             Output Power(mW)
       1              5250~5350                    11.40                     13.804
       1              5470~5725                    11.74                     14.928




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 2.6    Transmit Power Control (TPC)

U-NII devices operating in the 5.25-5.35 GHz band and the 5.47-5.725 GHz band shall employ a TPC
mechanism. The U-NII device is required to have the capability to operate at least 6 dB below the mean EIRP
value of 30 dBm. A TPC mechanism is not required for systems with an e.i.r.p. of less than 500 mW.

Maximum EIRP of this device is 28.184 mW which less than 500mW, therefore it’s not require TPC function.

 2.7    Statement of Maunfacturer

Manufacturer statement confirming that information regarding the parameters of the detected Radar
Waveforms is not available to the end user. And the device doesn’t have Ad Hoc mode on DFS frequency
band.




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3. U-NII DFS Rule Requirements
3.1   Working Modes and Required Test Items
The manufacturer shall state whether the UUT is capable of operating as a Master and/or a Client. If the UUT
is capable of operating in more than one operating mode then each operating mode shall be tested separately.
See tables 6 and 7 for the applicability of DFS requirements for each of the operational modes.

                      Table 6: Applicability of DFS Requirements Prior To Use a Channel
                                                                 Operational Mode
               Requirement                                   Client without radar      Client with radar
                                                Master
                                                                  detection                detection
          Non-Occupancy Period                                       note                    
         DFS Detection Threshold                                Not required                  
     Channel Availability Check Time                            Not required            Not required
       U-NII Detection Bandwidth                      Not required               
Note: Regarding KDB 905462 D03 Client Without DFS New Rules v01r01 section (b)(5/6),
If the client moves with the master, the device is considered compliant if nothing appears in the client
non-occupancy period test. For devices that shut down (rather than moving channels), no beacons
should appear. An analyzer plot that contains a single 30-minute sweep on the original channel.

                      Table 7: Applicability of DFS Requirements during Normal Operation.

                                                                 Operational Mode
               Requirement                    Master or Client with             Client without radar
                                                radar detection                      detection
         DFS Detection Threshold                                                   Not required
   Channel Closing Transmission Time                                                     
            Channel Move Time                                                            
        U-NII Detection Bandwidth                                                  Not required


  Additional requirements for devices         Master or Client with             Client without radar
    with multiple bandwidth modes               radar detection                      detection
U-NII Detection Bandwidth and Statistical     All BW modes must be
                                                                                     Not required
          Performance Check                          tested
Channel Move Time and Channel Closing          Test using widest BW           Test using the widest BW
         Transmission Time                        mode available              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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 3.2    Test Limits and Radar Signal Parameters
Detection Threshold Values

       Table 8: DFS Detection Thresholds for Master Devices And Client Devices With Radar Detection
                                                                        Value
            Maximum Transmit Power
                                                                (See Notes 1, 2, and 3)
                 EIRP ≥ 200 milliwatt                                 -64 dBm
              EIRP < 200 milliwatt and
                                                                            -62 dBm
       power spectral density < 10 dBm/MHz
     EIRP < 200 milliwatt that do not meet the
                                                                            -64 dBm
        power spectral density requirement
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.
Note3: EIRP is based on the highest antenna gain. For MIMO devices refer to KDB Publication
662911 D01.

                                 Table 9: DFS Response Requirement Values

                     Parameter                                          Value
             Non-occupancy period                                  Minimum 30 minutes
         Channel Availability Check Time                                60 seconds
                                                                        10 seconds
                Channel Move Time
                                                                        See Note 1.
                                                          200 milliseconds + an aggregate of 60
         Channel Closing Transmission Time           milliseconds over remaining 10 second period.
                                                                    See Notes 1 and 2.
                                                      Minimum 100% of the U-NII 99% transmission
             U-NII Detection Bandwidth
                                                              power bandwidth. See Note 3
Note 1: Channel Move Time and the Channel Closing Transmission Time should be performed with
Radar Type 0. The measurement timing begins at the end of the Radar Type 0 burst.
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 a Channel move (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 should be used. For each
frequency step the minimum percentage of detection is 90 percent. Measurements are performed
with no data traffic.




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Parameters of DFS Test Signals

Step intervals of 0.1 microsecond for Pulse Width, 1 microsecond for PRI, 1 MHz for chirp width and 1 for the
number of pulses will be utilized for the random determination of specific test waveforms.

                                   Table 10: Short Pulse Radar Test Waveforms


                                                                                 Minimum
                                                                                                   Minimum
  Radar     Pulse Width              PRI                    Number             Percentage of
                                                                                                   Number of
  Type        (µsec)                (µsec)                 of Pulses            Successful
                                                                                                     Trials
                                                                                 Detection

     0             1                1428                        18              See Note 1         See Note 1
     1             1        Test A: 15 unique                                      60%                  30
                            PRI values randomly                      1 .
                            selected from the list                  360
                            of 23 PRI values in      Roundup
                            Table 5a                                19 · 106
                                                                    PRIμsec

                            Test B: 15 unique
                            PRI values randomly
                            selected within the
                            range of 518-3066μ
                            sec, with a minimum
                            increment of 1μsec,
                            excluding PRI values
                            selected in Test A
     2            1-5              150-230                     23-29               60%                  30
     3           6-10              200-500                     16-18               60%                  30
     4          11-20              200-500                     12-16               60%                  30
                     Aggregate (Radar Types 1-4)                             80%               120
Note 1: Short Pulse Radar Type 0 should be used for the detection bandwidth test, channel move time, and
        channel closing time tests.




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                                         Table 11: Long Pulse Radar Test Waveform

                            Chirp                                                     Minimum
              Pulse                         PRI       Number Of                                           Minimum
  Radar                                                          Number Of          Percentage Of
              Width         Width                     Pulses Per                                         Number Of
  Type                                     (µsec)                 Bursts             Successful
              (µsec)        (MHz)                       Burst                                              Trials
                                                                                      Detection
    5        50-100         5-20         1000-2000         1-3             8-20         80%                   30
Three subsets of trials will be performed with a minimum of ten trials per subset. The subset of trials differ in
where the Long Pulse Type 5 Signal is tuned in frequency.

a) the Channel center frequency
b) tuned frequencies such that 90% of the Long Pulse Type 5 frequency modulation is within the low edge of
the UUT Occupied Bandwidth
c) tuned frequencies such that 90% of the Long Pulse Type 5 frequency modulation is within the high edge of
the UUT Occupied Bandwidth

It include 10 trails for every subset, the formula as below,

For subset case 1: the center frequency of the signal generator will remain fixed at the center of the UUT
Channel.

For subset case 2: to retain 90% frequency overlap between the radar signal and the UUT Occupied
Bandwidth, the center frequency of the signal generator will vary for each of the ten trials in subset case 2.
The center frequency of the signal generator for each trial is calculated by:

  +(0.4∗                [           ])

For subset case 3: to retain 90% frequency overlap between the radar signal and the UUT Occupied
Bandwidth, the center frequency of the signal generator will vary for each of the ten trials in subset case 3.
The center frequency of the signal generator for each trial is calculated by:

   −(0.4∗               [           ])

                                   Table 12: Frequency Hopping Radar Test Waveform

                                                                          Hopping     Minimum
               Pulse                                   Hopping                                            Minimum
  Radar                         PRI         Pulses                       Sequence   Percentage Of
               Width                                    Rate                                             Number Of
  Type                        (µsec)        per Hop                        Length    Successful
               (µsec)                                   (kHz)                                              Trials
                                                                           (msec)     Detection

     6            1            333             9         0.333             300          70%                   30




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4. Test & Support Equipment List

 4.1      Test Instruments
                                           Table 13: Test Instruments List

                                                                         Date Of              Due Date Of
 Description & Manufacturer           Model No.          Brand
                                                                        Calibration           Calibration
       R&S Spectrum analyzer             ESR              R&S           2017/02/20            2018/02/19
          Signal generator              8645A            Agilent        2016/08/08            2017/08/07


 4.2      Description of Support Units
                                         Table 14: Support Unit Information.

 No.        Product          Brand        Model No.            FCC ID                    Spec.
                                                                                  5G Ant gain : 3.428dB
  1          Router          D-Link        DIR-868L      RRK2012060056-1
                                                                                Maximum EIRP : 27.64dBm
NOTE: 1. This device was functioned as a Master  Slave device during the DFS test.
      2. The WLAN module (model no.: WMC-AC01) is collocated in Wireless AP (Model: DIR-868L).


                                      Table 15: Software/Firmware Information.

 No.             Product                        Model No.                    Software/Firmware Version

  1               Router                         DIR-868L                              1.00

NOTE: The WLAN module (model no.: WMC-AC01) is collocated in Wireless AP (Model: DIR-868L).




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5. Test Procedure

 5.1    DFS Measurement System

A complete DFS Measurement System consists of two subsystems: (1) the Radar Signal Generating
Subsystem and (2) the Traffic Monitoring Subsystem. The control PC is necessary for generating the Radar
waveforms in Table 10, 11 and 12. The traffic monitoring subsystem is specified to the type of unit under test
(UUT).

Radiated Setup Configuration of DFS Measurement System




System testing will be performed with channel-loading using means appropriate to the data types that are
used by the unlicensed device. The following requirements apply:


        a) The data file must be of a type that is typical for the device (i.e., MPEG-2, MPEG-4, WAV, MP3, MP4, AVI,
        etc.) and must generally be transmitting in a streaming mode.

        b) Software to ping the client is permitted to simulate data transfer but must have random ping intervals.

        c) Timing plots are required with calculations demonstrating a minimum channel loading of approximately
   V
        17% or greater.

        d) Unicast or Multicast protocols are preferable but other protocols may be used. The appropriate protocol
        used must be described in the test procedures.




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Wireless Traffic Loading

                                                            Traffic Signal




                                                                             Noise Floor




 5.2    Calibration of DFS Detection Threshold Level

The measured channel is 5500MHz, 5510MHz and 5530MHz. The radar signal was the same as transmitted
channels, and injected into the antenna of AP (master) or Client Device with Radar Detection, measured the
channel closing transmission time and channel move time. The calibrated detection threshold level is set to
-64dBm. The tested level is lower than required level hence it provides margin to the limit.

Radiated setup configuration of Calibration of DFS Detection Threshold Level




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 5.3    Deviation from Test Standard
No deviation.



 5.4    Radiated Test Setup Configuration

5.4.1   Client without Radar Detection Mode




The UUT is a U-NII Device operating in Client mode without radar detection. The radar test signals are
injected into the Master Device.




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6. Test Results

 6.1    Summary of Test Results

   Clause                   Test Parameter                        Remarks        Pass/Fail

   15.407       DFS Detection Threshold                         Not Applicable      NA

   15.407       Channel Availability Check Time                 Not Applicable      NA

   15.407       Channel Move Time                                Applicable        Pass

   15.407       Channel Closing Transmission Time                Applicable        Pass

   15.407       Non-Occupancy Period                             Applicable        Pass

   15.407       Uniform Spreading                               Not Applicable      NA

   15.407       U-NII Detection Bandwidth                       Not Applicable      NA

   15.407       Non-associated test                              Applicable        Pass

   15.407       Non-Co-Channel test                              Applicable        Pass




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 6.2    Test Results

6.2.1   Test Mode: Device Operating In Client without Radar Detection Mode.

Client with injection at the Master. (The radar test signals are injected into the Master Device)

DFS Detection Threshold

For a detection threshold level of -64dBm, the required signal strength at EUT antenna location is -64dBm.
The tested level is lower than required level hence it provides margin to the limit.




                                                                        Radar signal


                                                                                            Noise Floor




                                                  Radar Signal 0




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6.2.2   Channel Closing Transmission and Channel Move Time

Radar Signal 0
802.11n HT20

                      Radar Signal



                      Traffic Signal




                                                                         Noise Floor




NOTE: T1 denotes the start of Channel Move Time upon the end of the last Radar burst. T2 denotes the data
transmission time of 200ms from T1. T3 denotes the end of Channel Move Time.T4 denotes the 10 second
from T1 to observe the aggregate duration of transmissions.




                                       Radar Signal




                                                                                   Noise Floor




NOTE: An expanded plot for the device vacates the channel in the required 500ms.




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Radar Signal 0
802.11n HT40



                       Radar Signal




                        Traffic Signal



                                                                         Noise Floor




NOTE: T1 denotes the start of Channel Move Time upon the end of the last Radar burst. T2 denotes the data
transmission time of 200ms from T1. T3 denotes the end of Channel Move Time.T4 denotes the 10 second
from T1 to observe the aggregate duration of transmissions.




                                    Radar Signal




                                                                                   Noise Floor




NOTE: An expanded plot for the device vacates the channel in the required 500ms.




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Radar Signal 0
802.11ac VHT80

                        Radar Signal




                       Traffic Signal




                                                                         Noise Floor




NOTE: T1 denotes the start of Channel Move Time upon the end of the last Radar burst. T2 denotes the data
transmission time of 200ms from T1. T3 denotes the end of Channel Move Time.T4 denotes the 10 second
from T1 to observe the aggregate duration of transmissions.




                                   Radar Signal




                                                                        Noise Floor




NOTE: An expanded plot for the device vacates the channel in the required 500ms.




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6.2.3   Non-Occupancy Period

Associate test:
During the 30 minutes observation time, UUT did not make any transmissions on a channel after a radar
signal was detected on that channel by either the Channel Availability Check or the In-Service Monitoring.

1) EUT (Client) links with master on 5500MHz.
                                    Waveform of EUT links up with Master




2) Client plays specified files via master.

                                          Waveform of transmission




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3) Radar signal 0 is applied to the Master device and WiFi traffic signal stop immediately.

    Radar signal applied to the master and traffic stopped as described in section 6.2.2.

4) 5500MHz has been monitored in 30 minutes period. In this period, no any transmission occurs.

                                          Plot of 30minutes period
802.11n HT20

                 Traffic Signal




                  Injected into Radar

                                                                                   Noise Floor




NOTE: Test setup are shown on Test set up photo.pdf




6.2.4   Non-Associated Test

Master was off.
During the 30 minutes observation time, The UUT did not make any transmissions in the DFS band after UUT
power up.




                                                                                       Noise Floor




6.2.5   Non-Co-Channel Test

The UUT was investigated after radar was detected and confirmed that no co-channel operation with radars.




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7. Information on the Testing Laboratories


 We, Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch, were founded in 1988 to
 provide our best service in EMC, Radio, Telecom and Safety consultation. Our laboratories are accredited
 and approved according to ISO/IEC 17025.

 If you have any comments, please feel free to contact us at the following:

  Linko EMC/RF Lab                                  Hsin Chu EMC/RF/Telecom Lab
  Tel: 886-2-26052180                               Tel: 886-3-6668565
  Fax: 886-2-26051924                               Fax: 886-3-6668323

  Hwa Ya EMC/RF/Safety Lab
  Tel: 886-3-3183232
  Fax: 886-3-3270892

  Email: service.adt@tw.bureauveritas.com
  Web Site: www.bureauveritas-adt.com

 The address and road map of all our labs can be found in our web site also.




--- END ---




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Document Created: 2017-10-25 13:12:05
Document Modified: 2017-10-25 13:12:05

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