Report BLE

FCC ID: 2ACVC-AGLOW

Test Report

Download: PDF

                                         Page 1 of 32           Report No.:HK1903010348-2E




                        FCC TEST REPORT



                                      Test report
                                     On Behalf of
                                    KREAFUNK APS
                                          For
                                   Wireless Speaker
                                   Model No.: aGLOW

                                 FCC ID: 2ACVC-AGLOW




Prepared for :   KREAFUNK APS
                 Balticagade 19, 1st floor   8000 Aarhus C Denmark




Prepared By :    Shenzhen HUAK Testing Technology Co., Ltd.
                 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street,
                 Bao'an District, Shenzhen City, China


                                                                      Page 2 of 32                Report No.:HK1903010348-2E


                                                 TEST REPORT
Applicant’s name ................. : KREAFUNK APS

Address ................................. : Balticagade 19, 1st floor 8000 Aarhus C Denmark
Manufacture's Name ............ : SHENZHEN COMISO DIGITAL TECHNOLOGY LIMITED
                                                12/F,XinLong Technology Park,SongGang Town,BaoAn
Address ................................. : District,ShenZhen City,China

Product description
Trade Mark:                                     /
Product name ............................: KREAFUNK
Model and/or type reference : aGLOW
                                                FCC Rules and Regulations Part 15 Subpart C Section 15.247
Standards ............................. :
                                                ANSI C63.10: 2013
This publication may be reproduced in whole or in part for non-commercial purposes as long as
the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source
of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will
not assume liability for damages resulting from the reader's interpretation of the reproduced
material due to its placement and context.
Date of Test ........................................... :
Date (s) of performance of tests ............. :                   Feb. 18, 2019 ~. Mar. 03, 2019
Date of Issue .......................................... :         Mar. 03, 2019
Test Result .............................................. :       Pass




                             Testing Engineer                  :


                                                                                   (Gary Qian)

                             Technical Manager                 :

                                                                                    (Eden Hu)


                             Authorized Signatory :


                                                                                   (Jason Zhou)


                                         Page 3 of 32   Report No.:HK1903010348-2E



                               Table of Contents                       Page


1 . TEST SUMMARY                                                            5
2 . GENERAL INFORMATION                                                     7
     2.1 GENERAL DESCRIPTION OF EUT                                           7
     2ACVC-AGLOW                                                              7
     Operation of EUT during testing                                          8
     2.2 DESCRIPTION OF TEST SETUP                                            8
     2.3 MEASUREMENT INSTRUMENTS LIST                                         9
3.    CONDUCTED EMISSIONS TEST                                             10
     3.1 Conducted Power Line Emission Limit                               10
     3.2 Test Setup                                                        10
     3.3 Test Procedure                                                    10
     3.4 Test Result                                                       10
4 RADIATED EMISSION TEST                                                   13
     4.1 Radiation Limit                                                   13
     4.2 Test Setup                                                        13
     4.3 Test Procedure                                                    14
     4.4 Test Result                                                       14
5 BAND EDGE                                                                19
     5.1 Limits                                                            19
     5.2 Test Procedure                                                    19
     5.3 Test Result                                                       19
6 6dB Bandwidth                                                            22
     6.1 Test Limit                                                        22
     6.2 Test Procedure                                                    22
     6.3 Test Result                                                       22
7 POWER SPECTRAL DENSITY TEST                                              24
     7.1 Test Limit                                                        24
     7.2 Test Procedure                                                    24
     7.3 Test Result                                                       24
8 PEAK OUTPUT POWER TEST                                                   26
     8.1 Test Limit                                                        26
     8.2 Test Procedure                                                    26
     8.3 Test Result                                                       26
9 OUT OF BAND EMISSIONS TEST                                               28


                                 Page 4 of 32   Report No.:HK1903010348-2E


                       Table of Contents                       Page


  9.1 Test Limit                                                   28
  9.2 Test Procedure                                               28
  9.3 Test Setup                                                   28
  7.4 Test Result                                                  28
10 ANTENNA REQUIREMENT                                             31


                                          Page 5 of 32              Report No.:HK1903010348-2E


1. TEST SUMMARY

1.1 TEST PROCEDURES AND RESULTS

  DESCRIPTION OF TEST                                            RESULT
  CONDUCTED EMISSIONS TEST                                      COMPLIANT
  RADIATED EMISSION TEST                                        COMPLIANT
  BAND EDGE                                                     COMPLIANT
  OCCUPIED BANDWIDTH MEASUREMENT                                COMPLIANT
  POWER SPECTRAL DENSITY                                        COMPLIANT
  PEAK OUTPUT POWEReak                                          COMPLIANT
  OUT OF BAND EMISSIONS                                         COMPLIANT
  ANTENNA REQUIREMENT                                           COMPLIANT




1.2 TEST FACILITY

 Test Firm      : Shenzhen HUAK Testing Technology Co., Ltd.


 Address            1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai
                    Street, Bao'an District, Shenzhen City, China




1.3 MEASUREMENT UNCERTAINTY

  Measurement Uncertainty
  Conducted Emission Expanded Uncertainty                       =    2.23dB, k=2
  Radiated emission expanded uncertainty(9kHz-30MHz)            =    3.08dB, k=2
  Radiated emission expanded uncertainty(30MHz-1000MHz)         =    4.42dB, k=2
  Radiated emission expanded uncertainty(Above 1GHz)            =    4.06dB, k=2


                                                        Page 6 of 32                   Report No.:HK1903010348-2E



1.4 Test Description
    Test
                                                                Recorded
Specification         Test case          Test Channel                                 Pass   Fail   NA   NP   Remark
                                                                In Report
   clause

                                             Lowest                         Lowest

§15.247(b)(4)       Antenna gain             Middle      GFSK               Middle                            complies

                                             Highest                        Highest

                                             Lowest                         Lowest

 §15.247(e)     Power spectral density       Middle      GFSK               Middle                            complies

                                             Highest                        Highest

                                             Lowest                         Lowest
                 Spectrum bandwidth
§15.247(a)(2)                                Middle      GFSK               Middle                            complies
                  – 6 dB bandwidth
                                             Highest                        Highest

                                             Lowest                         Lowest

§15.247(b)(1)   Maximum output power         Middle      GFSK               Middle                            complies

                                             Highest                        Highest

                Band edge compliance         Lowest                         Lowest
 §15.247(d)                                              GFSK                                                 complies
                     conducted               Highest                        Highest

                Band edge compliance         Lowest                         Lowest
  §15.205                                                GFSK                                                 complies
                       radiated              Highest                        Highest

                                             Lowest                         Lowest
                TX spurious emissions
 §15.247(d)                                  Middle      GFSK               Middle                            complies
                     conducted
                                             Highest                        Highest

                                             Lowest                         Lowest
                TX spurious emissions
 §15.247(d)                                  Middle      GFSK               Middle                            complies
                       radiated
                                             Highest                        Highest

                RX spurious emissions
  §15.109                                     -/-        -/-                -/-                               complies
                       radiated

                TX spurious Emissions
 §15.209(a)                                   -/-        GFSK               -/-                               complies
                 Radiated < 30 MHz




Remark:
The measurement uncertainty is not included in the test result.
NA = Not Applicable; NP = Not Performed


                                           Page 7 of 32       Report No.:HK1903010348-2E


2. GENERAL INFORMATION
2.1 GENERAL DESCRIPTION OF EUT
 Equipment         KREAFUNK
 Trade Mark:             KREAFUNK
 Model Name              aGLOW
 Serial Model            /
 FCC ID                  2ACVC-AGLOW
 Antenna Type            PCB antenna
 Antenna Gain            0.0 dBi
 Operation frequency     2402~2480 MHz
 Number of Channels      40
 Modulation Type         GFSK
 Power Rating            DC 3.7V From Battery and DC 5V From PC
 Adapter(Auxiliary test Mode:EP-TA20CBC
 Provided       by   the Input:AC100-240V-50/60Hz,0.5A
 laborator)              Output:DC 5V,2A


                                             Page 8 of 32             Report No.:HK1903010348-2E

2.1.1 Carrier Frequency of Channels

The Applicant provides communication tools software to control the EUT for staying in continuous
transmitting (Duty Cycle more than 98%) and receiving mode for testing .There are 40 channels
provided to the EUT. Channel 00/19/39 was selected to test.

        Channel              Frequency(MHz)                 Channel            Frequency(MHz)
           0                       2402                       20                     2442
           1                       2404                       21                     2444
           2                       2406                       22                     2446
           3                       2408                       23                     2448
           4                       2410                       24                     2450
           5                       2412                       25                     2452
           6                       2414                       26                     2454
           7                       2416                       27                     2456
           8                       2418                       28                     2458
           9                       2420                       29                     2460
           10                      2422                       30                     2462
           11                      2424                       31                     2464
           12                      2426                       32                     2466
           13                      2428                       33                     2468
           14                      2430                       34                     2470
           15                      2432                       35                     2472
           16                      2434                       36                     2474
           17                      2436                       37                     2476
           18                      2438                       38                     2478
           19                      2440                       39                     2480


 Operation of EUT during testing

      Operating Mode
      The mode is used: Transmitting mode for GFSK
                          Low Channel: 2402MHz
                          Middle Channel: 2440MHz
                          High Channel: 2480MHz

 2.2 DESCRIPTION OF TEST SETUP

     Operation of EUT during conducted testing and Radiation and Above1GHz Radiation testing:

       PC Plug
                                                EUT


                                             Page 9 of 32          Report No.:HK1903010348-2E



2.3 MEASUREMENT INSTRUMENTS LIST
                                                                                          Cal.
Item      Equipment         Manufacturer      Model No.     Serial No.      Last Cal.
                                                                                         Interval
            L.I.S.N.
 1.     Artificial Mains        R&S            ENV216       HKE-002      Dec. 28, 2018 1 Year
            Network
 2.        Receiver             R&S             ESCI 7      HKE-010      Dec. 28, 2018 1 Year
         RF automatic
 3.                           Tonscend         JS0806-2     HKE-060      Dec. 28, 2018 1 Year
          control unit
 4.    Spectrum analyzer        R&S             FSP40       HKE-025      Dec. 28, 2018 1 Year
 5.    Spectrum analyzer       Agilent         N9020A       HKE-048      Dec. 28, 2018 1 Year
 6.       Preamplifier      Schwarzbeck        BBV 9743     HKE-006      Dec. 28, 2018 1 Year
 7.    EMI Test Receiver   Rohde & Schwarz      ESCI 7      HKE-010      Dec. 28, 2018 1 Year
       Bilog Broadband
 8.                         Schwarzbeck       VULB9163      HKE-012      Dec. 28, 2018 1 Year
           Antenna
                                              FMZB 1519
 9.      Loop Antenna        Schwarzbeck                    HKE-014
                                                             FMZB 1519 Dec.012
                                                                            28, 2018
                                                                                May 11,
                                                                                     1 Year
                                                                                        2016 1 Year
                                                  B
10.      Horn Antenna       Schewarzbeck        9120D       HKE-013      Dec. 28, 2018 1 Year
                                              EMC051845
11.      Pre-amplifier          EMCI                        HKE-015      Dec. 28, 2018 1 Year
                                                  SE
12.      Pre-amplifier         Agilent          83051A      HKE-016      Dec. 28, 2018 1 Year
       EMI Test Software                       JS1120-B
13.                           Tonscend                      HKE-083      Dec. 28, 2018    N/A
           EZ-EMC                               Version
14.      Power Sensor          Agilent         E9300A       HKE-086      Dec. 28, 2018 1 Year
15       Power Sensor           R&S            NRP-Z4       HKE-091      Dec. 28, 2018 1 Year
16       Power Meter            R&S             NRVS        HKE-092      Dec. 28, 2018 1 Year
17     Spectrum analyzer       Agilent         N9020A       HKE-048      Dec. 28, 2018 1 Year
18      Signal generator       Agilent         N5182A       HKE-029      Dec. 28, 2018 1 Year
19.    Signal Generator        Agilent          83630A      HKE-028      Dec. 28, 2018 1 Year
20.     Shielded room        Shiel Hong          4*3*3      HKE-039      Dec. 28, 2018 3 Year


                                              Page 10 of 32               Report No.:HK1903010348-2E


3.    CONDUCTED EMISSIONS TEST

 3.1 Conducted Power Line Emission Limit
 For unintentional device, according to § 15.107(a) Line Conducted Emission Limits is as following




 * Decreasing linearly with the logarithm of the frequency
   For intentional device, according to §15.207(a) Line Conducted Emission Limit is same as above table.

 3.2 Test Setup




 3.3 Test Procedure
 1, The equipment was set up as per the test configuration to simulate typical actual usage per the user’s
    manual. The EUT is a tabletop system, a wooden table with a height of 0.8 meters is used and is placed
    on the ground plane as per ANSI C63.10.
 2, Support equipment, if needed, was placed as per ANSI C63.10.
 3, All I/O cables were positioned to simulate typical actual usage as per ANSI C63.10.
 4, If a EUT received DC power from the USB Port of Notebook PC, the PC’s adapter received
    AC120V/60Hz power through a Line Impedance Stabilization Network (LISN) which supplied power
    source and was grounded to the ground plane.
 5, All support equipments received AC power from a second LISN, if any.
 6, The EUT test program was started. Emissions were measured on each current carrying line of the EUT
    using a spectrum Analyzer / Receiver connected to the LISN powering the EUT. The LISN has two
    monitoring points: Line 1 (Hot Side) and Line 2 (Neutral Side). Two scans were taken: one with Line 1
    connected to Analyzer / Receiver and Line 2 connected to a 50 ohm load; the second scan had Line 1
    connected to a 50 ohm load and Line 2 connected to the Analyzer / Receiver.
 7, Analyzer / Receiver scanned from 150 KHz to 30MHz for emissions in each of the test modes.


 3.4 Test Result

     PASS
     All the test modes completed for test.


                                           Page 11 of 32              Report No.:HK1903010348-2E



Remark: We measured Conducted Emission at GFSK mode in AC 120V/60Hz


                          DC 5V From PC(AC
    Power supply:                                          Polarization                  L
                              120V/60Hz)


                                Page 12 of 32              Report No.:HK1903010348-2E




                DC 5V From PC(AC
Power supply:                                   Polarization                  N
                   120V/60Hz)


                                                 Page 13 of 32                Report No.:HK1903010348-2E


4 RADIATED EMISSION TEST

 4.1 Radiation Limit
  For unintentional device, according to § 15.109(a), except for Class A digital devices, the field strength of
  radiated emissions from unintentional radiators at a distance of 3 meters shall not exceed the following
  values:




  For intentional device, according to § 15.209(a), the general requirement of field strength of radiated
  emissions from intentional radiators at a distance of 3 meters shall not exceed the above table.


 4.2 Test Setup

   (1)Radiated Emission Test-Up Frequency Below 30MHz




   (2)Radiated Emission Test-Up Frequency 30MHz~1GHz


                                              Page 14 of 32              Report No.:HK1903010348-2E


  (3)Radiated Emission Test-Up Frequency Above 1GHz




4.3 Test Procedure
 1. Below 1GHz measurement the EUT is placed on turntable which is 0.8m above ground plane.
    And above 1GHz measurement EUT was placed on low permittivity and low tangent turn table
    which is 1.5m above ground plane.
 2. The turntable shall be rotated for 360 degrees to determine the position of maximum emission level.
 3. EUT is set 3m away from the receiving antenna, which is varied from 1m to 4m to find out the highest
   emissions.
 4. Maximum procedure was performed on the six highest emissions to ensure EUT compliance.
 5. And also, each emission was to be maximized by changing the polarization of receiving antenna both
   horizontal and vertical.
 6. Repeat above procedures until the measurements for all frequencies are complete.
 7. The test frequency range from 9KHz to 25GHz per FCC PART 15.33(a).

 Note:
 For battery operated equipment, the equipment tests shall be performed using a new battery.


4.4 Test Result

   PASS
  For 9 KHz-30MHz
   All the test modes completed for test. The worst case of Radiated Emission (BLE Transmitting
   Low Channel-2402MHz (worst case) ); the test data of this mode was reported.

Frequency
             Corrected Reading          FCC Limit
      (MH                                                Margin(dB)         Detector           Result
                  (dBuV/m)@3m        (dBuV/m)@3m
    z)
   0.27              50.69                98.98             48.29             QP               PASS
   0.65              44.73                71.35             26.62             QP               PASS
  18.26              45.51                69.54             24.03             QP               PASS
  23.42              44.67                69.54             24.87             QP               PASS


                                      Page 15 of 32            Report No.:HK1903010348-2E

For 30MHz-1GHz
 All the test modes completed for test. The worst case of Radiated Emission (BLE Transmitting
 Low Channel-2402MHz (worst case) ); the test data of this mode was reported.
                                      Horizontal




                                        Vertical




Above 1 GHz Test Results:


                                                 Page 16 of 32             Report No.:HK1903010348-2E


     LOW CH0: 2402MHz
     Horizontal:


  Frequency      Meter Reading   Factor     Emission Level       Limits      Margin
                                                                                       Detector
    (MHz)           (dBμV)        (dB)         (dBμV/m)         (dBμV/m)      (dB)      Type

    4804             59.68        -3.64          56.04            74         -17.96     peak

    4804             46.32        -3.64          42.68            54         -11.32     AVG

    7206             55.67        -0.95          54.72            74         -19.28     peak

    7206             42.75        -0.95           41.8            54         -12.2      AVG

      ---             ---          ---             ---             ---         ---       ---

      ---             ---          ---             ---             ---         ---       ---

Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.

     Vertical:


 Frequency       Meter Reading   Factor     Emission Level       Limits      Margin
                                                                                       Detector
   (MHz)            (dBμV)        (dB)         (dBμV/m)         (dBμV/m)      (dB)      Type

    4804             60.39       -3.64           56.75             74        -17.25      peak

    4804             46.42       -3.64           42.78             54        -11.22      AVG

    7206             56.35       -0.95            55.4             74         -18.6      peak

    7206             42.51       -0.95           41.56             54        -12.44      AVG

     ---              ---          ---             ---             ---         ---        ---

     ---              ---          ---             ---             ---         ---        ---

Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.


                                                Page 17 of 32              Report No.:HK1903010348-2E



    MID CH19:2440MHz
    Horizontal:


 Frequency      Meter Reading    Factor     Emission Level       Limits      Margin
                                                                                       Detector
   (MHz)           (dBμV)         (dB)         (dBμV/m)         (dBμV/m)      (dB)      Type

    4880            57.51        -3.51            54              74           -20       peak

    4880            45.28        -3.51           41.77            54          -12.23     AVG

    7320            55.89        -0.82           55.07            74          -18.93     peak

    7320            42.72        -0.82            41.9            54          -12.1      AVG

     ---             ---           ---             ---             ---         ---        ---

     ---             ---           ---             ---             ---         ---        ---

Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.



    Vertical:


 Frequency      Meter Reading    Factor     Emission Level       Limits      Margin
                                                                                       Detector
   (MHz)           (dBμV)         (dB)         (dBμV/m)         (dBμV/m)      (dB)      Type

    4880            57.43        -3.51           53.92            74          -20.08     peak

    4880            46.37        -3.51           42.86            54          -11.14     AVG

    7320            54.62        -0.82            53.8            74          -20.2      peak

    7320            41.39        -0.82           40.57            54          -13.43     AVG

     ---             ---           ---             ---             ---         ---        ---

     ---             ---           ---             ---             ---         ---        ---

Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.


                                                  Page 18 of 32               Report No.:HK1903010348-2E



      HIGH CH39: 2480MHz

      Horizontal:


   Frequency      Meter Reading   Factor     Emission Level       Limits         Margin
                                                                                             Detector
     (MHz)           (dBμV)        (dB)         (dBμV/m)         (dBμV/m)         (dB)        Type

     4960             58.19       -3.43           54.76             74           -19.24        peak

     4960             45.57       -3.43           42.14             54           -11.86        AVG

     7440             52.48       -0.75           51.73             74           -22.27        peak

     7440             40.86       -0.75           40.11             54           -13.89        AVG

       ---             ---          ---             ---             ---            ---          ---

       ---             ---          ---             ---             ---            ---          ---

 Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.



      Vertical:


   Frequency      Meter Reading   Factor     Emission Level       Limits         Margin
                                                                                             Detector
     (MHz)           (dBμV)        (dB)         (dBμV/m)         (dBμV/m)         (dB)        Type

      4960            57.46        -3.43          54.03             74           -19.97       peak

      4960            47.25        -3.43          43.82             54           -10.18       AVG

      7440            53.17        -0.75          52.42             74           -21.58       peak

      7440            39.92        -0.75          39.17             54           -14.83       AVG

       ---             ---          ---             ---             ---            ---          ---

       ---             ---          ---             ---             ---            ---          ---

 Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.


Remark:
(1) Measuring frequencies from 1 GHz to the 25 GHz。
(2) “F” denotes fundamental frequency; “H” denotes spurious frequency. “E” denotes band edge frequency.
(3) * denotes emission frequency which appearing within the Restricted Bands specified in provision of
15.205, then the general radiated emission limits in 15.209 apply.
(4) Data of measurement within this frequency range shown “--- ” in the table above means the reading of
emissions are attenuated more than 20dB below the permissible limits or the field strength is too small to
be measured.
(5) The IF bandwidth of EMI Test Receiver between 30MHz to 1GHz was 120KHz, 1 MHz for measuring
above 1 GHz, below 30MHz was 10KHz.
(6) When the test results of Peak Detected below the limits of Average Detected, the Average Detected is
not need completed. For example: Top Channel at Fundamental 73.16dBuV/m(PK Value) <93.98(AV
Limit), at harmonic 53.20 dBuV/m(PK Value) <54 dBuV/m(AV Limit), the Average Detected not need to
completed.


                                                  Page 19 of 32               Report No.:HK1903010348-2E



   5 BAND EDGE
     5.1 Limits
     Please refer section15.247
     All the lower and upper band-edges emissions appearing within 2310MHz to 2390MHz and 2483.5MHz to
     2500MHz restricted frequency bands shall not exceed the limits shown in 15.209, all the other emissions
     outside operation frequency band 2400MHz to 2483.5MHz shall be at least 20dB below the fundamental
     emissions, or comply with 15.209 limits.

     5.2 Test Procedure
     The band edge compliance of RF radiated emission should be measured by following the guidance
     in ANSI C63.10 with respect to maximizing the emission by rotating the EUT, measuring the emission
     while the EUT is situated in three orthogonal planes (if appropriate), adjusting the measurement antenna
     height and polarization etc. Set RBW to 100KHz and VBM to 300KHz to measure the peak field strength
     and set RBW to 1MHz and VBW to 10Hz to measure the average radiated field strength.The conducted
     RF band edge was measured by using a spectrum analyzer. Set span wide enough to capture
     the highest in-band emission and the emission at the band edge. Set RBW to 100 KHz and VBW to
     300 KHz, to measure the conducted peak band edge.

     5.3 Test Result

           PASS
For Radiated Bandedge Measurement
           Operation Mode: LOW CH0: 2402MHz
           Horizontal

 Frequency    Meter Reading      Factor      Emission Level        Limits         Margin      Detector
                                                                                               Type
   (MHz)          (dBμV)          (dB)          (dBμV/m)          (dBμV/m)         (dB)

    2390          55.71           -5.81           49.9               74            -24.1        peak

    2390          46.59           -5.81           40.78              54           -13.22        AVG




Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.


             Vertical:

 Frequency    Meter Reading      Factor      Emission Level        Limits         Margin      Detector
                                                                                               Type
   (MHz)          (dBμV)          (dB)          (dBμV/m)          (dBμV/m)         (dB)

    2390          57.69           -5.81           51.88              74           -22.12        peak

    2390          48.06           -5.81           42.25              54           -11.75        AVG




Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.


                                                  Page 20 of 32               Report No.:HK1903010348-2E




                Operation Mode: MID CH39: 2480MHz
                Horizontal

 Frequency    Meter Reading      Factor      Emission Level        Limits         Margin      Detector
                                                                                               Type
   (MHz)           (dBμV)         (dB)          (dBμV/m)          (dBμV/m)         (dB)

   2483.5          55.69          -5.65           50.04              74           -23.96        peak

   2483.5          45.42          -5.65           39.77              54           -14.23        AVG

Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.


       Vertical:

 Frequency    Meter Reading      Factor      Emission Level        Limits         Margin      Detector
                                                                                               Type
   (MHz)           (dBμV)         (dB)          (dBμV/m)          (dBμV/m)         (dB)

   2483.5          57.57          -5.65           51.92              74           -22.08        peak

   2483.5          47.49          -5.65           41.84              54           -12.16        AVG

Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.

Remark: All the other emissions not reported were too low to read and deemed to comply with FCC limit.


                                          Page 21 of 32           Report No.:HK1903010348-2E



For Conducted Bandedge Measurement


                                                GFSK
      Frequency            Delta Peak to Band             Limit
                                                                                  Verdict
        (MHz)               emission (dBc)                (dBc)
       2400.00                  -53.928                    -20                     PASS
       2483.50                  -57.102                    -20                     PASS




                    2412                                               2462


                                                 Page 22 of 32            Report No.:HK1903010348-2E


   6 6dB Bandwidth


  6.1 Test Limit
                                        FCC Part15 (15.247) , Subpart C
                                                                   Frequency Range
            Section         Test Item             Limit                                    Result
                                                                          (MHz)
                                                >= 500KHz
       15.247(a)(2)         Bandwidth                                 2400-2483.5           PASS
                                             (6dB bandwidth)



   6.2 Test Procedure
The transmitter output was connected to the spectrum analyzer through an attenuator. The bandwidth
of the fundamental frequency was measured by spectrum analyzer with RBW=100 KHz and
VBW=300KHz.The 6dB bandwidth is defined as the total spectrum the power of which is higher than
peak power minus 6dB.According to KDB558074 for one of the following procedures may be used to
determine the modulated DTS device signal bandwidth.
1. Set RBW = 100 kHz.
2. Set the video bandwidth (VBW) ≥ 3 RBW.
3. Detector = Peak.
4. Trace mode = max hold.
5. Sweep = auto couple.
6. Allow the trace to stabilize.
7. Measure the maximum width of the emission that is constrained by the frequencies associated with
the two outermost amplitude points (upper and lower frequencies) that are attenuated by 6 dB relative
to the maximum level measured in the fundamental emission.

   6.3 Test Result
            PASS
     Type               Channel          6dB Bandwidth (MHz)         Limit (KHz)          Result
                           00                    0.6797
     GFSK                  19                    0.6757                   ≥500             Pass
                           39                    0.6754


Page 23 of 32   Report No.:HK1903010348-2E

BLE GFSK




  CH00




  CH19




  CH39


                                                  Page 24 of 32            Report No.:HK1903010348-2E




   7 POWER SPECTRAL DENSITY TEST

  7.1 Test Limit
                                         FCC Part15 (15.247) , Subpart C
                                                                    Frequency Range
            Section          Test Item                 Limit                                Result
                                                                           (MHz)
                          Power Spectral              8 dBm
            15.247                                                     2400-2483.5           PASS
                              Density           (in any 3KHz)



  7.2 Test Procedure
According to KDB 558074 D01 Method PKPSD (peak PSD) This procedure shall be used if maximum
peak conducted output power was used to demonstrate compliance, and is optional if the maximum
conducted (average) output power was used to demonstrate compliance.
1. Set analyzer center frequency to DTS channel center frequency.
2. Set the span to 1.5 times the DTS bandwidth.
3. Set the RBW to:     3 kHz ≤ RBW ≤ 100 kHz.
4. Set the VBW ≥ 3 RBW.
5. Detector = peak.
6. Sweep time = auto couple.
7. Trace mode = max hold.
8. Allow trace to fully stabilize.
9. Use the peak marker function to determine the maximum amplitude level within the RBW.
10. If measured value exceeds limit, reduce RBW (no less than 3 kHz) and repeat

   7.3 Test Result
            PASS
             All the test modes completed for test.
                                             Power Spectral                Limit
     Type               Channel                                                            Result
                                           Density (dBm/3KHz)        (dBm/3KHz)
                            00                        -19.683
     GFSK                   19                        -19.192              8.00             Pass
                            39                        -19.427


Page 25 of 32   Report No.:HK1903010348-2E



BLE GFSK




  CH00




  CH19




  CH39


                                               Page 26 of 32            Report No.:HK1903010348-2E


   8 PEAK OUTPUT POWER TEST


  8.1 Test Limit
                                      FCC Part15 (15.247) , Subpart C
                                                                  Frequency Range
          Section         Test Item             Limit                                      Result
                                                                        (MHz)
                         Peak Output
        15.247(b)(3)                       1 watt or 30dBm          2400-2483.5            PASS
                            Power



  8.2 Test Procedure
According to KDB558074 D01 DTS Measurement Guidance Section 9.1 Maximum peak conducted
output power,9.1.2. and Average conducted output power, 9.2.3.1.
The maximum peak conducted output power may be measured using a broadband peak RF power
meter. The power meter shall have a video bandwidth that is greater than or equal to the DTS
bandwidth and shall utilize a fast-responding diode detector.


The maximum Average conducted output power may be measured using a wideband RF power meter
with a thermocouple derector or equivalent. The power meter shall have a video bandwidth that is
greater than or equal to the DTS bandwidth and shall utilize a fast-responding diode detector.

   8.3 Test Result

            PASS


                                               Page 27 of 32   Report No.:HK1903010348-2E



                                               Output power
        Type             Channel                                Limit (dBm)        Result
                                                 PK (dBm)
                             00                    -4.260

        GFSK                 19                    -3.585          30.00            Pass

                             39                    -3.837


Note:   1.The test results including the cable lose.
Duty cycle used in all test items: 100%


                                                    Page 28 of 32                 Report No.:HK1903010348-2E


   9 OUT OF BAND EMISSIONS TEST


  9.1 Test Limit
In any 100 kHz bandwidth outside the frequency band in which the spread spectrum or digitally modulated
intentional radiator is operating, the radio frequency power that is produced by the intentional radiator shall be at
least 20 dB below that in the 100 kHz bandwidth within the band that contains the highest level of the desired
power, based on either an RF conducted or a radiated measurement, provided the transmitter demonstrates
compliance with the peak conducted power limits. If the transmitter complies with the conducted power limits
based on the use of RMS averaging over a time interval, as permitted under paragraph (b)(3) of this section, the
attenuation required under this paragraph shall be 30 dB instead of 20 dB

  9.2 Test Procedure
The Spurious RF conducted emissions compliance of RF radiated emission should be measured by following the
guidance in ANSI C63.10-2013, For 30MHz-25GHz ,Set RBW=100kHz and                VBW= 300KHz in order      to
measure the peak field strength, and mwasure frequeny range from 30MHz to 25GHz.

   9.3 Test Setup




   7.4 Test Result

              PASS
              All the test modes completed for test.


             Page 29 of 32   Report No.:HK1903010348-2E



   CH00                         CH19




Reference                    Reference




30MHz-3GHz                   30MHz-3GHz




3GHz-25GHz                   3GHz-25GHz


             Page 30 of 32   Report No.:HK1903010348-2E



               CH39




Reference                    30MHz-3GHz




3GHz-25GHz


                                              Page 31 of 32               Report No.:HK1903010348-2E



10 ANTENNA REQUIREMENT

 Standard Applicable
 For intentional device, according to FCC 47 CFR Section 15.203, an intentional radiator shall be
 designed to ensure that no antenna other than that furnished by the responsible party shall be used
 with the device. And according to FCC 47 CFR Section 15.249, if transmitting antennas of directional
 gain greater than 6dBi are used, the power shall be reduced by the amount in dB that the directional
 gain of the antenna exceeds 6dBi.

 Antenna Information

The antenna is Ceramic antenna, the directional gains of antenna used for transmitting is 0.00 dBi.


                                            Page 32 of 32              Report No.:HK1903010348-2E


11 Test Setup Photos of the EUT




                   .......................End of Report.........................



Document Created: 2019-03-04 10:02:55
Document Modified: 2019-03-04 10:02:55

© 2019 FCC.report
This site is not affiliated with or endorsed by the FCC