5G UNII 3 DTS RF Test Setup photo

FCC ID: LDK102087

Test Setup Photos

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FCCID_2327241

Custom EMC Test Report No: EDCS - 1250506




Conducted Test Setup Photo




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Appendix B:      Emission Test Results
Testing Laboratory: Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134, USA

Radiated Spurious Emissions
15.205 / RSS-210 2.7: Radiated emissions which fall in the restricted bands, as defined in Section
                      15.205(a), must also comply with the radiated emission limits specified in Section
                      15.209(a) (see Section 15.205(c)).

        Using Vasona, configure the spectrum analyzer as shown below (be sure to enter all losses between the
        transmitter output and the spectrum analyzer). Place the radio in continuous transmit mode.

                 Span:                   1GHz – 18 GHz
                 Reference Level:        80 dBuV
                 Attenuation:            10 dB
                 Sweep Time:             Coupled
                 Resolution Bandwidth:   1MHz
                 Video Bandwidth:        1 MHz for peak, 10 Hz for average
                 Detector:               Peak

                 Terminate the access Point RF ports with 50 ohm loads.

        Maximize Turntable (find worst case table angle), Maximize Antenna (find worst case height)

         Save 2 plots:    1) Average Plot (Vertical and Horizontal), Limit= 54dBuV/m @3m
                          2) Peak plot (Vertical and Horizontal), Limit = 74dBuV/m @3m


        Place a marker at the end of the restricted band closest to the transmit frequency to show compliance.
        Also measure any emissions in the restricted bands.


This report represents the worst case data for all supported operating modes and antennas.
There are no measurable emissions above 18 GHz.




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                                                                              Spurious
                                                                  Data        Emission
Frequency                                                         Rate          Level          Limit
  (MHz)                        Mode                              (Mbps)       (dBuV/m)       (dBuV/m)
              Non HT-20, 6 to 54 Mbps                              6             <54            54
              Non HT-20 Beam Forming, 6 to 54 Mbps                 6             <54            54
  5745        HT-20, M0 to M23                                     m0            <54            54
              HT-20 STBC, M0 to M7                                 m0            <54            54
              HT-20 Beam Forming, M0 to M23                        m0            <54            54

              Non HT-20, 6 to 54 Mbps                               6             <54            54
              Non HT-20 Beam Forming, 6 to 54 Mbps                  6             <54            54
  5785        HT-20, M0 to M23                                      m0            <54            54
              HT-20 STBC, M0 to M7                                  m0            <54            54
              HT-20 Beam Forming, M0 to M23                         m0            <54            54

              Non HT-20, 6 to 54 Mbps                               6             <54            54
              Non HT-20 Beam Forming, 6 to 54 Mbps                  6             <54            54
  5825        HT-20, M0 to M23                                      m0            <54            54
              HT-20 STBC, M0 to M7                                  m0            <54            54
              HT-20 Beam Forming, M0 to M23                         m0            <54            54




                                              Page No: 210 of 222

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Radiated Transmitter Spurs, 5745 MHz, All Rates, All Modes, Average




Radiated Transmitter Spurs, 5785 MHz, All Rates, All Modes, Average




                                               Page No: 211 of 222

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Radiated Transmitter Spurs, 5825 MHz, All Rates, All Modes, Average




Radiated Transmitter Spurs, 5745 MHz, All Rates, All Modes, Peak




Radiated Transmitter Spurs, 5785 MHz, All Rates, All Modes, Peak

                                               Page No: 212 of 222

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Radiated Transmitter Spurs, 5825 MHz, All Rates, All Modes, Peak




Receiver Radiated Spurious Emissions
                                               Page No: 213 of 222

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Radiated Receiver Spurs, All Rates, All Modes, Average




Radiated Receiver Spurs, All Rates, All Modes, Peak




                                               Page No: 214 of 222

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Radiated Test Setup Photo




                                               Page No: 215 of 222

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Conducted Emissions




Test Results Table
Frequency Raw       Cable Factors Level       Measureme Line     Limit      Margin Pass /Fail Comments
MHz         dBuV    Loss      dB     dBuV     nt Type            dBuV       dB
    0.15736      24      21.3    0.1     45.4         Av       N       55.6    -10.2   Pass
   0.15736     32.8     21.3     0.1     54.2        Qp        N     65.6    -11.4     Pass
   0.15288       32     21.4     0.1     53.5        Qp        N     65.8    -12.4     Pass
      3.424    22.7      20        0     42.8        Qp        N       56    -13.2     Pass
   0.15288       21     21.4     0.1     42.4        Av        L     55.8    -13.4     Pass
      3.351    22.5      20      0.1     42.6        Qp        N       56    -13.4     Pass
      3.351    11.1      20      0.1     31.2        Av        N       46    -14.8     Pass
      3.351    10.9      20      0.1     30.9        Av        L       46    -15.1     Pass
      3.424    20.3      20        0     40.3        Qp        L       56    -15.7     Pass
      3.424    10.2      20        0     30.3        Av        N       46    -15.7     Pass
   0.15288     28.1     21.4     0.1     49.6        Qp        L     65.8    -16.3     Pass
      3.424     9.4      20        0     29.5        Av        L       46    -16.5     Pass
      2.158     9.4      20        0     29.5        Av        N       46    -16.5     Pass
   0.15736     27.5     21.3     0.1     48.9        Qp        L     65.6    -16.7     Pass
      2.158    18.6      20        0     38.7        Qp        N       56    -17.3     Pass
      2.158    18.6      20        0     38.6        Qp        L       56    -17.4     Pass
      2.158     8.5      20        0     28.5        Av        L       46    -17.5     Pass
      3.351    17.6      20      0.1     37.6        Qp        L       56    -18.4     Pass
   0.23346     20.6     20.9       0     41.5        Qp        L     62.3    -20.8     Pass
   0.23346     19.8     20.9       0     40.7        Qp        N     62.3    -21.6     Pass
      4.916     4.3      20        0     24.4        Av        N       46    -21.6     Pass
      4.916     2.5      20        0     22.6        Av        L       46    -23.4     Pass


                                                          Page No: 216 of 222

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Custom EMC Test Report No: EDCS - 1250506




Frequency Raw        Cable Factors Level     Measureme Line       Limit      Margin Pass /Fail Comments
MHz         dBuV     Loss    dB     dBuV     nt Type              dBuV       dB
      4.916     11.8      20      0     31.9         Qp       N           56    -24.1   Pass
   0.15288      7.8    21.4      0.1    29.2        Av        N       55.8      -26.6    Pass
     4.916        9      20       0     29.1        Qp        L           56    -26.9    Pass
   0.15736      5.7    21.3      0.1    27.1        Av        L       55.6      -28.5    Pass
   0.23346     -0.1    20.9       0     20.8        Av        N       52.3      -31.6    Pass
   0.23346     -1.5    20.9       0     19.4        Av        L       52.3      -32.9    Pass




Title: Power Line Conducted Emissions Test Setup




                                                         Page No: 217 of 222

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Radiated emissions




Test Results Table
Frequency Raw        Cable AF dB Level       Measureme Pol Hgt Azt Limit    Margin Pass /Fail Comments
MHz         dBuV     Loss           dBuV/m nt Type         cm Deg dBuV/m dB
      34.65     30.1      0.6 -10.1     20.6        Qp    V 124 218      30      -9.4  Pass
    44.239    36.6     0.7    -17.2   20.2        Qp     V 198 221       30     -9.8    Pass
   120.013    32.5     1.2    -13.6   20.2        Qp     V 135   87      30     -9.8    Pass
   110.373    33.2     1.2    -14.7   19.7        Qp     V 131 175       30    -10.3    Pass
    66.612    37.4       1    -19.7   18.6        Qp     V 102 271       30    -11.4    Pass
    46.154    33.9     0.7    -18.3   16.3        Qp     V 254 195       30    -13.7    Pass




                                                       Page No: 218 of 222

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Title: Radiated Emissions 10m Test Distance




                                              Page No: 219 of 222

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Document Created: 2013-04-18 14:26:32
Document Modified: 2013-04-18 14:26:32

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