DTTAB-116-1 2in1 tablet pc Test Report BT Report for FCC ID-V1.2 SHENZHEN BMORN TECHNOLOGY CO.,LTD.

SHENZHEN BMORN TECHNOLOGY CO.,LTD. 2in1 tablet pc

FCC ID Filing: 2ACPR-DTTAB-116-1
Purchase on Amazon: 2in1 tablet pc

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Report No.:NTEK-2017NT08075526F1
RADIO TEST REPORT
FCC ID: 2ACPR-DTTAB-116-1
Product: 2in1 tablet pc
Trade Mark: N/A
Model No.: DTTAB2in1-116-1
Serial Model: W1549
Report No.: NTEK-2017NT08075526F1
Issue Date: 21 Aug. 2017
Prepared for
SHENZHEN BMORN TECHNOLOGY CO.,LTD.
5/F, Hengfang Verteran Industrial Park, Xingye Road, Xixiang, Bao'an
Shenzhen, Guangdong, China
Prepared by
Shenzhen NTEK Testing Technology Co., Ltd.
1/F, Building E, Fenda Science Park, Sanwei Community,
Xixiang Street Bao’an District, Shenzhen 518126 P.R. China
Tel.: +86-755-6115 9388
Fax.: +86-755-6115 6599
Website:http://www.ntek.org.cn
Version.1.2
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Report No.:NTEK-2017NT08075526F1
TABLE OF CONTENTS
TEST RESULT CERTIFICATION ...................................................................................................................... 3
SUMMARY OF TEST RESULTS ......................................................................................................................... 4
FACILITIES AND ACCREDITATIONS ............................................................................................................. 5
3.1
3.2
3.3
FACILITIES..................................................................................................................................................... 5
LABORATORY ACCREDITATIONS AND LISTINGS ................................................................................. 5
MEASUREMENT UNCERTAINTY ............................................................................................................... 5
GENERAL DESCRIPTION OF EUT .................................................................................................................. 6
DESCRIPTION OF TEST MODES ..................................................................................................................... 8
SETUP OF EQUIPMENT UNDER TEST ........................................................................................................... 9
6.1
6.2
6.3
BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ....................................................................... 9
SUPPORT EQUIPMENT............................................................................................................................... 10
EQUIPMENTS LIST FOR ALL TEST ITEMS.............................................................................................. 11
TEST REQUIREMENTS .................................................................................................................................... 13
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
CONDUCTED EMISSIONS TEST ............................................................................................................... 13
RADIATED SPURIOUS EMISSION ............................................................................................................ 18
NUMBER OF HOPPING CHANNEL ........................................................................................................... 27
HOPPING CHANNEL SEPARATION MEASUREMENT ........................................................................... 29
AVERAGE TIME OF OCCUPANCY (DWELL TIME) ................................................................................ 33
20DB BANDWIDTH TEST .......................................................................................................................... 37
PEAK OUTPUT POWER .............................................................................................................................. 41
CONDUCTED BAND EDGE MEASUREMENT......................................................................................... 45
SPURIOUS RF CONDUCTED EMISSION .................................................................................................. 49
ANTENNA APPLICATION .......................................................................................................................... 53
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Report No.:NTEK-2017NT08075526F1
TEST RESULT CERTIFICATION
Applicant’s name ......................... : SHENZHEN BMORN TECHNOLOGY CO.,LTD.
Address ....................................... : 5/F, Hengfang Verteran Industrial Park, Xingye Road, Xixiang,
Bao'an, Shenzhen, Guangdong, China
Manufacturer's Name .................. : SHENZHEN BMORN TECHNOLOGY CO.,LTD.
Address ....................................... : 5/F, Hengfang Verteran Industrial Park, Xingye Road, Xixiang,
Bao'an, Shenzhen, Guangdong, China
Product description
Product name .............................. : 2in1 tablet pc
Model and/or type reference ..... : DTTAB2in1-116-1
Serial Model ................................ : W1549
Measurement Procedure Used:
APPLICABLE STANDARDS
STANDARD/ TEST PROCEDURE
TEST RESULT
FCC 47 CFR Part 2, Subpart J
FCC 47 CFR Part 15, Subpart C
KDB 174176 D01 Line Conducted FAQ v01r01
ANSI C63.10-2013
Complied
This device described above has been tested by Shenzhen NTEK Testing Technology Co., Ltd., and the test
results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is
applicable only to the tested sample identified in the report.
This report shall not be reproduced except in full, without the written approval of Shenzhen NTEK Testing
Technology Co., Ltd., this document may be altered or revised by Shenzhen NTEK Testing Technology Co.,
Ltd., personnel only, and shall be noted in the revision of the document.
The test results of this report relate only to the tested sample identified in this report.
Date of Test
Testing Engineer
07 Aug. 2017 ~ 21 Aug. 2017
(Susan Su)
Technical Manager
(Jason Chen)
Authorized Signatory
(Sam Chen)
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Report No.:NTEK-2017NT08075526F1
SUMMARY OF TEST RESULTS
FCC Part15 (15.247), Subpart C
Standard Section
Test Item
Verdict
15.207
Conducted Emission
PASS
15.247(c)
Radiated Spurious Emission
PASS
15.247(a)(1)
Hopping Channel Separation
PASS
15.247(b)(1)
Peak Output Power
PASS
15.247(a)(iii)
Number of Hopping Frequency
PASS
15.247(a)(iii)
Dwell Time
PASS
15.247(a)(1)
Bandwidth
PASS
15.205
Band Edge Emission
PASS
15.203
Antenna Requirement
PASS
Remark
Remark:
1. “N/A” denotes test is not applicable in this Test Report.
2. All test items were verified and recorded according to the standards and without any deviation during
the test.
3. This EUT has also been tested and complied with the requirements of FCC Part 15, Subpart B,
recorded in a separate test report.
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Report No.:NTEK-2017NT08075526F1
FACILITIES AND ACCREDITATIONS
3.1 FACILITIES
All measurement facilities used to collect the measurement data are located at
1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street, Bao’an District, Shenzhen 518126
P.R. China.
The sites are constructed in conformance with the requirements of ANSI C63.7, ANSI C63.10 and CISPR
Publication 22.
3.2 LABORATORY ACCREDITATIONS AND LISTINGS
Site Description
CNAS-Lab.
: The Laboratory has been assessed and proved to be in compliance with
CNAS-CL01:2006 (identical to ISO/IEC 17025:2005)
The Certificate Registration Number is L5516.
IC-Registration
The Certificate Registration Number is 9270A-1.
FCC- Accredited
Test Firm Registration Number: 463705.
Designation Number: CN1184
The Certificate Registration Number is 4298.01
This laboratory is accredited in accordance with the recognized
International Standard ISO/IEC 17025:2005 General requirements for
the competence of testing and calibration laboratories.
This accreditation demonstrates technical competence for a defined
scope and the operation of a laboratory quality management system
(refer to joint ISO-ILAC-IAF Communiqué dated 8 January 2009).
Shenzhen NTEK Testing Technology Co., Ltd.
1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang
Street, Bao’an District, Shenzhen 518126 P.R. China.
A2LA-Lab.
Name of Firm
Site Location
3.3 MEASUREMENT UNCERTAINTY
The reported uncertainty of measurement y±U, where expended uncertainty U is based on a standard
uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %.
No.
Item
Uncertainty
Conducted Emission Test
±2.80dB
RF power, conducted
±0.16dB
Spurious emissions, conducted
±0.21dB
All emissions, radiated(30MHz~1GHz)
±2.64dB
All emissions, radiated(1GHz~6GHz)
±2.40dB
All emissions, radiated(>6GHz)
±2.52dB
Temperature
±0.5°C
Humidity
±2%
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Report No.:NTEK-2017NT08075526F1
GENERAL DESCRIPTION OF EUT
Product Feature and Specification
Equipment
2in1 tablet pc
Trade Mark
N/A
FCC ID
2ACPR-DTTAB-116-1
Model No.
DTTAB2in1-116-1
Serial Model
W1549
Model Difference
All the model are the same circuit and RF module,
except the model No. and the colour.
Operating Frequency
2402MHz~2480MHz
Modulation
GFSK,π/4-DQPSK, 8-DPSK
Bluetooth Version
BT V4.0(EDR+BR)
Number of Channels
79 Channels
Antenna Type
FPCB Antenna
Antenna Gain
2 dBi
DC supply:
DC 3.8V/8000mAh from Battery or DC 5V from Adapter.
Power supply
Adapter supply:
Model: BI18-050300-AdU
Input:AC 100~240V 50~60Hz 0.8A
Output:5V, 3A
HW Version
S101C REV:1.1
SW Version
WINDOS 10 HOME 64-bit
Note: Based on the application, features, or specification exhibited in User's Manual, the EUT is considered
as an ITE/Computing Device. More details of EUT technical specification, please refer to the User's Manual.
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Report No.:NTEK-2017NT08075526F1
Revision History
Report No.
Version
Description
Issued Date
NTEK-2017NT08075526F1
Rev.01
Initial issue of report
Aug 21, 2017
Version.1.2
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Report No.:NTEK-2017NT08075526F1
DESCRIPTION OF TEST MODES
To investigate the maximum EMI emission characteristics generates from EUT, the test system was
pre-scanning tested base on the consideration of following EUT operation mode or test configuration mode
which possible have effect on EMI emission level. Each of these EUT operation mode(s) or test configuration
mode(s) mentioned above was evaluated respectively.
The Transmitter was operated in the normal operating mode. The TX frequency was fixed which was for the
purpose of the measurements.
Test of channel included the lowest and middle and highest frequency to perform the test, then record on this
report.
Those data rates (1Mbps for GFSK modulation; 2Mbps for π/4-DQPSK modulation; 3Mbps for 8-DPSK
modulation) were used for all test.
The EUT was pretested with 3 orientations placed on the table for the radiated emission measurement –X, Y,
and Z-plane. The X-plane results were found as the worst case and were shown in this report.
Carrier Frequency and Channel list:
Channel
Frequency(MHz)
2402
2403
…
…
39
2441
40
2442
…
…
77
2479
78
2480
Note: fc=2402MHz+k×1MHz k=0 to 78
The following summary table is showing all test modes to demonstrate in compliance with the standard.
For AC Conducted Emission
Final Test Mode
Description
Mode 1
normal link mode
Note: AC power line Conducted Emission was tested under maximum output power.
For Radiated Test Cases
Final Test Mode
Description
Mode 1
normal link mode
Mode 2
CH00(2402MHz)
Mode 3
CH39(2441MHz)
Mode 4
CH78(2480MHz)
Note: For radiated test cases, the worst mode data rate 3Mbps was reported only, because this data rate
has the highest RF output power at preliminary tests, and no other significantly frequencies found in
conducted spurious emission.
For Conducted Test Cases
Final Test Mode
Description
Mode 2
CH00(2402MHz)
Mode 3
CH39(2441MHz)
Mode 4
CH78(2480MHz)
Mode 5
Hopping mode
Note: The engineering test program was provided and the EUT was programmed to be in continuously
transmitting mode.
1. AC power line Conducted Emission was tested under maximum output power.
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Report No.:NTEK-2017NT08075526F1
SETUP OF EQUIPMENT UNDER TEST
6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM
For AC Conducted Emission Mode
AC PLUG
E-1
EUT
C-1
E-2
Adapter
For Radiated Test Cases
EUT
For Conducted Test Cases
Measurement
Instrument
C2
EUT
Note:The temporary antenna connector is soldered on the PCB board in order to perform conducted tests and
this temporary antenna connector is listed in the equipment list.
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Report No.:NTEK-2017NT08075526F1
6.2 SUPPORT EQUIPMENT
The EUT has been tested as an independent unit together with other necessary accessories or support units.
The following support units or accessories were used to form a representative test configuration during the
tests.
Item
Equipment
Mfr/Brand
Model/Type No.
FCC ID
Note
2ACPR-DTTAB-116
E-1
2in1 tablet pc
N/A
DTTAB2in1-116-1
EUT
-1
E-2
Adapter
N/A
BI18-050300-AdU
N/A
Item
Cable Type
Shielded Type
Ferrite Core
Length
C-1
Power Cable
NO
NO
1.2m
C-2
RF Cable
NO
NO
0.5m
Notes:
(1)
(2)
(3)
The support equipment was authorized by Declaration of Confirmation.
For detachable type I/O cable should be specified the length in cm in『Length』column.
“YES” is means “shielded” “with core”; “NO” is means “unshielded” “without core”.
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Report No.:NTEK-2017NT08075526F1
6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS
Radiation Test equipment
Item
Kind of
Equipment
Manufacturer
Type No.
Serial No.
Last
calibration
Calibrated
until
Calibrati
on
period
Spectrum
Analyzer
Spectrum
Analyzer
EMI Test
Receiver
Aglient
E4407B
MY45108040
2017.06.06
2018.06.05
1 year
Agilent
N9020A
MY49100060 2016.11.10
2017.11.09
1 year
Agilent
N9038A
MY53227146 2017.06.06
2018.06.05 1 year
Test Receiver
R&S
ESPI
101318
2017.06.06
2018.06.05
1 year
Bilog Antenna
TESEQ
CBL6111D
31216
2017.04.09
2018.04.08
1 year
50Ω Coaxial
Switch
Anritsu
MP59B
6200983705
2017.06.06
2018.06.05
1 year
Horn Antenna
EM
EM-AH-1018
2011071402
2017.04.09
2018.04.08
1 year
Horn Ant
Schwarzbeck
9170-181
2017.07.06
2018.07.05
1 year
Amplifier
EMC
980246
2017.08.09
2018.08.08
1 year
10
Amplifier
MITEQ
177156
2017.06.06
2018.06.05
1 year
11
Loop Antenna
ARA
PLA-1030/B
1029
2017.06.06
2018.06.05
1 year
12
Power Meter
DARE
RPR3006W
15I00041SN
O84
2017.08.07
2018.08.06
1 year
N/A
R-01
N/A
2017.04.21
2020.04.20
3 year
N/A
R-02
N/A
2017.04.21
2020.04.20
3 year
N/A
R-03
N/A
2017.04.21
2020.04.20
3 year
N/A
R-04
N/A
2017.04.21
2020.04.20
3 year
NTS
R001
N/A
N/A
N/A
N/A
13
14
15
16
17
Test Cable
(9KHz-30MHz)
Test Cable
(30MHz-1GHz)
High Test
Cable(1G-40G
Hz)
High Test
Cable(1G-40G
Hz)
temporary
antenna
connector
(Note)
BBHA 9170
EMC051835
SE
TTA1840-35HG
Note:
We will use the temporary antenna connector (soldered on the PCB board) When conducted test
And this temporary antenna connector is listed within the instrument list
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Report No.:NTEK-2017NT08075526F1
Conduction Test equipment
Kind of
Item
Manufacturer
Equipment
Type No.
Serial No.
Last
calibration
Calibrated
until
Calibration
period
Test Receiver
R&S
ESCI
101160
2017.06.06
2018.06.05
1 year
LISN
R&S
ENV216
101313
2017.04.19
2018.04.18
1 year
8129245
2017.06.06
2018.06.05
1 year
6200983704
2017.06.06
2018.06.05
1 year
N/A
2017.04.21
2020.04.20
3 year
N/A
2017.04.21
2020.04.20
3 year
N/A
2017.04.21
2020.04.20
3 year
29
2017.04.19
SCHWARZBE
NNLK 8129
CK
ANRITSU
50Ω Coaxial
MP59B
CORP
Switch
Test Cable
(9KHz-30MH
N/A
C01
z)
Test Cable
(9KHz-30MH
N/A
C02
z)
Test Cable
(9KHz-30MH
N/A
C03
z)
LISN
Filter
TRILTHIC
2400MHz
2018.04.18
1 year
Note: Each piece of equipment is scheduled for calibration once a year.
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Report No.:NTEK-2017NT08075526F1
TEST REQUIREMENTS
7.1 CONDUCTED EMISSIONS TEST
7.1.1
Applicable Standard
According to FCC Part 15.207(a) and KDB 174176 D01 Line Conducted FAQ v01r01
7.1.2
Conformance Limit
Conducted Emission Limit
Quasi-peak
Average
0.15-0.5
66-56*
56-46*
0.5-5.0
56
46
5.0-30.0
60
50
Note: 1. *Decreases with the logarithm of the frequency
2. The lower limit shall apply at the transition frequencies
3. The limit decreases in line with the logarithm of the frequency in the range of 0.15 to 0.50MHz.
Frequency(MHz)
7.1.3
Test Configuration
Reference
Ground
EMI Receiver
80cm
LISN
7.1.4
EUT
Auxiliary
Equipment
80cm
Reference
Ground
50Ω
LISN
Test Procedure
According to the requirements in Section 13.1.4.1 of ANSI C63.10-2013 Conducted emissions the EUT
measured in the frequency range between 0.15 MHz and 30 MHz using CISPR Quasi-Peak and average
detector mode.
1. The EUT was placed 0.4 meter from the conducting wall of the shielding room.
2. The EUT was placed on a table which is 0.8m above ground plane.
3. Connect EUT to the power mains through a line impedance stabilization network (LISN). All other
support equipments powered from additional LISN(s). The LISN provide 50 Ohm/ 50uH of coupling
impedance for the measuring instrument.
4. Interconnecting cables that hang closer than 40 cm to the ground plane shall be folded back and forth in
the center forming a bundle 30 to 40cm long.
5. I/O cables that are not connected to a peripheral shall be bundled in the center. The end of the cable
may be terminated, if required, using the correct terminating impedance. The overall length shall not
exceed 1 m.
6. LISN at least 80 cm from nearest part of EUT chassis.
7. The frequency range from 150KHz to 30MHz was searched.
8. Set the test-receiver system to Peak Detect Function and specified bandwidth(IF bandwidth=9KHz) with
Maximum Hold Mode
9. For the actual test configuration, please refer to the related Item –EUT Test Photos.
7.1.5
Test Results
Pass
Version.1.2
Page 13 of 53
Report No.:NTEK-2017NT08075526F1
7.1.6
Test Results
EUT:
2in1 tablet pc
Temperature:26 ℃
Pressure:
1010hPa
Test Voltage : DC 5V from Adapter AC 120V/60Hz
Frequency
Reading Level Correct Factor
Model Name :
DTTAB2in1-116-1
Relative Humidity:54%
Phase :
Test Mode:
Measure-ment
Mode 1
Limits
Margin
Remark
(MHz)
(dBμV)
(dB)
(dBμV)
(dBμV)
(dB)
0.1675
45.18
9.82
55.00
65.08
-10.08
QP
0.1675
27.07
9.82
36.89
55.08
-18.19
AVG
0.3659
33.97
9.83
43.80
58.59
-14.79
QP
0.3659
17.26
9.83
27.09
48.59
-21.50
AVG
0.5897
30.72
9.83
40.55
56.00
-15.45
QP
0.5897
12.93
9.83
22.76
46.00
-23.24
AVG
1.2540
29.32
9.90
39.22
56.00
-16.78
QP
1.2540
13.48
9.90
23.38
46.00
-22.62
AVG
2.4219
28.73
9.92
38.65
56.00
-17.35
QP
2.4219
16.01
9.92
25.93
46.00
-20.07
AVG
5.1539
29.53
10.05
39.58
60.00
-20.42
QP
5.1539
16.26
10.05
26.31
50.00
-23.69
AVG
Remark:
1. All readings are Quasi-Peak and Average values.
2. Factor = Insertion Loss + Cable Loss.
Version.1.2
Page 14 of 53
Report No.:NTEK-2017NT08075526F1
EUT:
Temperature:
2in1 tablet pc
26 ℃
Model Name :
DTTAB2in1-116-1
Relative Humidity: 54%
Pressure:
Test Voltage :
1010hPa
DC 5V from Adapter AC 120V/60Hz
Phase :
Test Mode:
Frequency
Reading Level Correct Factor
Measure-ment
Mode 1
Limits
Margin
Remark
(MHz)
(dBμV)
(dB)
(dBμV)
(dBμV)
(dB)
0.1980
41.79
9.92
51.71
63.69
-11.98
QP
0.1980
11.44
9.92
21.36
53.69
-32.33
AVG
0.3458
35.24
9.92
45.16
59.06
-13.90
QP
0.3458
18.84
9.92
28.76
49.06
-20.30
AVG
0.7860
29.60
9.93
39.53
56.00
-16.47
QP
0.7860
14.37
9.93
24.30
46.00
-21.70
AVG
1.3500
30.86
9.93
40.79
56.00
-15.21
QP
1.3500
15.09
9.93
25.02
46.00
-20.98
AVG
2.7540
29.75
9.95
39.70
56.00
-16.30
QP
2.7540
17.68
9.95
27.63
46.00
-18.37
AVG
5.4537
26.92
9.98
36.90
60.00
-23.10
QP
5.4537
15.41
9.98
25.39
50.00
-24.61
AVG
Remark:
1. All readings are Quasi-Peak and Average values.
2. Factor = Insertion Loss + Cable Loss.
Version.1.2
Page 15 of 53
Report No.:NTEK-2017NT08075526F1
EUT:
2in1 tablet pc
Temperature: 26 ℃
Model Name :
DTTAB2in1-116-1
Relative Humidity:54%
Pressure:
1010hPa
Test Voltage : DC 5V from Adapter AC 240V/60Hz
Phase :
Test Mode:
Frequency
Reading Level Correct Factor
Measure-ment
Mode 1
Limits
Margin
Remark
(MHz)
(dBμV)
(dB)
(dBμV)
(dBμV)
(dB)
0.1819
41.88
9.82
51.70
64.39
-12.69
QP
0.1819
23.06
9.82
32.88
54.39
-21.51
AVG
0.3659
33.97
9.83
43.80
58.59
-14.79
QP
0.3659
16.40
9.83
26.23
48.59
-22.36
AVG
0.5655
32.27
9.83
42.10
56.00
-13.90
QP
0.5655
21.91
9.83
31.74
46.00
-14.26
AVG
0.9220
30.00
9.90
39.90
56.00
-16.10
QP
0.9220
10.55
9.90
20.45
46.00
-25.55
AVG
2.1299
29.50
9.87
39.37
56.00
-16.63
QP
2.1299
12.13
9.87
22.00
46.00
-24.00
AVG
6.5339
29.98
9.99
39.97
60.00
-20.03
QP
6.5339
18.02
9.99
28.01
50.00
-21.99
AVG
Remark:
1. All readings are Quasi-Peak and Average values.
2. Factor = Insertion Loss + Cable Loss.
Version.1.2
Page 16 of 53
Report No.:NTEK-2017NT08075526F1
EUT:
Temperature:
Pressure:
Test Voltage :
Frequency
2in1 tablet pc
26 ℃
Model Name :
DTTAB2in1-116-1
Relative Humidity:54%
1010hPa
DC 5V from Adapter AC 240V/60Hz
Phase :
Test Mode:
Reading Level Correct Factor
Measure-ment
Mode 1
Limits
Margin
Remark
(MHz)
(dBμV)
(dB)
(dBμV)
(dBμV)
(dB)
0.1675
42.38
9.92
52.30
65.08
-12.78
QP
0.1675
13.39
9.92
23.31
55.08
-31.77
AVG
0.2548
37.46
9.92
47.38
61.60
-14.22
QP
0.2548
15.83
9.92
25.75
51.60
-25.85
AVG
0.6820
30.87
9.93
40.80
56.00
-15.20
QP
0.6820
15.88
9.93
25.81
46.00
-20.19
AVG
1.8140
33.58
9.94
43.52
56.00
-12.48
QP
1.8140
21.27
9.94
31.21
46.00
-14.79
AVG
3.1059
32.65
9.95
42.60
56.00
-13.40
QP
3.1059
22.57
9.95
32.52
46.00
-13.48
AVG
15.6219
35.48
10.25
45.73
60.00
-14.27
QP
15.6219
23.50
10.25
33.75
50.00
-16.25
AVG
Remark:
1. All readings are Quasi-Peak and Average values.
2. Factor = Insertion Loss + Cable Loss.
Version.1.2
Page 17 of 53
Report No.:NTEK-2017NT08075526F1
7.2 RADIATED SPURIOUS EMISSION
7.2.1
Applicable Standard
According to FCC Part 15.247(d) and 15.209 and ANSI C63.10-2013
7.2.2
Conformance Limit
According to FCC Part 15.247(d): radiated emissions which fall in the restricted bands, as defined in
§15.205(a), must also comply with the radiated emission limits specified in §15.209(a) (see §15.205(c)).
According to FCC Part15.205, Restricted bands
MHz
MHz
MHz
GHz
0.090-0.110
16.42-16.423
399.9-410
4.5-5.15
10.495-0.505
16.69475-16.69525
608-614
5.35-5.46
2.1735-2.1905
16.80425-16.80475
960-1240
7.25-7.75
4.125-4.128
25.5-25.67
1300-1427
8.025-8.5
4.17725-4.17775
37.5-38.25
1435-1626.5
9.0-9.2
4.20725-4.20775
73-74.6
1645.5-1646.5
9.3-9.5
6.215-6.218
74.8-75.2
1660-1710
10.6-12.7
6.26775-6.26825
123-138
2200-2300
14.47-14.5
8.291-8.294
149.9-150.05
2310-2390
15.35-16.2
8.362-8.366
156.52475-156.52525
2483.5-2500
17.7-21.4
8.37625-8.38675
156.7-156.9
2690-2900
22.01-23.12
8.41425-8.41475
162.0125-167.17
3260-3267
23.6-24.0
12.29-12.293
167.72-173.2
3332-3339
31.2-31.8
12.51975-12.52025
240-285
3345.8-3358
36.43-36.5
12.57675-12.57725
322-335.4
3600-4400
(2)
13.36-13.41
20dBc in any 100 kHz bandwidth outside the operating frequency band. In case the emission fall within the
restricted band specified on 15.205(a), then the 15.209(a) limit in the table below has to be followed.
Restricted
Field Strength (μV/m)
Field Strength (dBμV/m) Measurement Distance
Frequency(MHz)
0.009~0.490
2400/F(KHz)
20 log (uV/m)
300
0.490~1.705
2400/F(KHz)
20 log (uV/m)
30
1.705~30.0
30
29.5
30
30-88
100
40
88-216
150
43.5
216-960
200
46
Above 960
500
54
Limits of Radiated Emission Measurement(Above 1000MHz)
Frequency(MHz)
Above 1000
Class B (dBuV/m) (at 3M)
PEAK
AVERAGE
74
54
Remark :1. Emission level in dBuV/m=20 log (uV/m)
2. Measurement was performed at an antenna to the closed point of EUT distance of meters.
3. Distance extrapolation factor =40log(Specific distance/ test distance)( dB);
Limit line=Specific limits(dBuV) + distance extrapolation factor.
Version.1.2
Page 18 of 53
Report No.:NTEK-2017NT08075526F1
7.2.3
Measuring Instruments
The Measuring equipment is listed in the section 6.3 of this test report.
7.2.4
Test Configuration
(a) For radiated emissions below 30MHz
Turntable
3m
EUT
0.8 m
Test
Receiver
1.0m
Ground Plane
Coaxial Cable
(b) For radiated emissions from 30MHz to 1000MHz
3m
Turntable
1m to 4m
EUT
Test
Receiver
0.8m
Coaxial Cable
Ground Plane
(c) For radiated emissions above 1000MHz
3m
4m
Turntable
EUT
1.5m
1.5m
Amplifie
Version.1.2
Test Receiver
Page 19 of 53
Report No.:NTEK-2017NT08075526F1
7.2.5
Test Procedure
The test site semi-anechoic chamber has met the requirement of NSA tolerance 4 dB according to the
standards: ANSI C63.10-2013. The test distance is 3m.The setup is according to the requirements in Section
13.1.4.1 of ANSI C63.10-2013 and CAN/CSA-CEI/IEC CISPR 22.
This test is required for any spurious emission that falls in a Restricted Band, as defined in Section 15.205.
It must be performed with the highest gain of each type of antenna proposed for use with the EUT.
Use the following spectrum analyzer settings:
Spectrum Parameter
Setting
Attenuation
Auto
Start Frequency
1000 MHz
Stop Frequency
10th carrier harmonic
RB / VB (emission in restricted band)
1 MHz / 1 MHz for Peak, 1 MHz / 10Hz for Average
Receiver Parameter
Attenuation
Start ~ Stop Frequency
Start ~ Stop Frequency
Start ~ Stop Frequency
Setting
Auto
9kHz~150kHz / RB 200Hz for QP
150kHz~30MHz / RB 9kHz for QP
30MHz~1000MHz / RB 120kHz for QP
a. The measuring distance of at 3 m shall be used for measurements at frequency up to 1GHz. For
frequencies above 1GHz, any suitable measuring distance may be used.
b. The EUT was placed on the top of a rotating table 0.8 m for below 1GHz and 1.5m for above 1GHz the
ground at a 3 meter. The table was rotated 360 degrees to determine the position of the highest
radiation.
c. The height of the equipment or of the substitution antenna shall be 0.8 m for below 1GHz and 1.5m for
above 1GHz; the height of the test antenna shall vary between 1 m to 4 m. Both horizontal and vertical
polarizations of the antenna are set to make the measurement.
d. For the radiated emission test above 1GHz:
Place the measurement antenna away from each area of the EUT determined to be a source of
emissions at the specified measurement distance, while keeping the measurement antenna aimed at
the source of emissions at each frequency of significant emissions, with polarization oriented for
maximum response. The measurement antenna may have to be higher or lower than the EUT,
depending on the radiation pattern of the emission and staying aimed at the emission source for
receiving the maximum signal. The final measurement antenna elevation shall be that which maximizes
the emissions. The measurement antenna elevation for maximum emissions shall be restricted to a
range of heights of from 1 m to 4 m above the ground or reference ground plane.
e. The initial step in collecting conducted emission data is a spectrum analyzer peak detector mode
pre-scanning the measurement frequency range. Significant peaks are then marked and then Quasi
Peak detector mode re-measured.
f. If the Peak Mode measured value compliance with and lower than Quasi Peak Mode Limit, the EUT
shall be deemed to meet QP Limits and then no additional QP Mode measurement performed.
g. For the actual test configuration, please refer to the related Item –EUT Test Photos.
Note:
Both horizontal and vertical antenna polarities were tested
and performed pretest to three orthogonal axis. The worst case emissions were reported
Version.1.2
Page 20 of 53
Report No.:NTEK-2017NT08075526F1
During the radiated emission test, the Spectrum Analyzer was set with the following configurations:
Frequency Band (MHz)
Function
Resolution bandwidth
Video Bandwidth
30 to 1000
QP
120 kHz
300 kHz
Peak
1 MHz
1 MHz
Average
1 MHz
10 Hz
Above 1000
Note: for the frequency ranges below 30 MHz, a narrower RBW is used for these ranges but the measured
value should add a RBW correction factor (RBWCF) where RBWCF [dB] =10*lg(100 [kHz]/narrower RBW
[kHz]). , the narrower RBW is 1 kHz and RBWCF is 20 dB for the frequency 9 kHz to 150 kHz, and the
narrower RBW is 10 kHz and RBWCF is 10 dB for the frequency 150 kHz to 30 MHz.
7.2.6
Test Results
 Spurious Emission below 30MHz (9KHz to 30MHz)
EUT:
2in1 tablet pc
Model No.:
Temperature:
20 ℃
Relative Humidity:
Test Mode:
Mode2/Mode3/Mode4 Test By:
DTTAB2in1-116-1
48%
Susan Su
Ant.Pol.
Emission Level(dBuV/m)
Limit 3m(dBuV/m)
Over(dB)
Freq.
(MHz)
H/V
PK
AV
PK
AV
PK
AV
--------Note: the amplitude of spurious emission that is attenuated by more than 20dB below the permissible
limit has no need to be reported.
Distance extrapolation factor =20log(Specific distance/ test distance)( dB);
Limit line=Specific limits(dBuV) + distance extrapolation factor
Version.1.2
Page 21 of 53
Report No.:NTEK-2017NT08075526F1

Spurious Emission below 1GHz (30MHz to 1GHz)
All the modulation modes have been tested, and the worst result was report as below:
EUT:
Model Name :
2in1 tablet pc
DTTAB2in1-116-1
Temperature:
Pressure:
Test Voltage :
Polar
(H/V)
20 ℃
Relative Humidity:
Test Mode:
1010hPa
DC 3.8V
48%
Mode 1
Frequency
Meter
Reading
Factor
Emission
Level
Limits
Margin
(MHz)
(dBuV)
(dB)
(dBuV/m)
(dBuV/m)
(dB)
32.6340
15.12
20.04
35.16
40.00
43.8119
19.10
14.49
33.59
40.00
88.6524
19.74
11.76
31.50
43.50
116.9495
19.69
10.27
29.96
43.50
230.9068
16.74
12.06
28.80
46.00
399.0300
15.55
15.13
30.68
46.00
Remark:
Absolute Level= ReadingLevel+ Factor, Margin= Absolute Level - Limit
Version.1.2
-4.84
-6.41
-12.00
-13.54
-17.20
-15.32
Remark
QP
QP
QP
QP
QP
QP
Page 22 of 53
Report No.:NTEK-2017NT08075526F1
Polar
(H/V)
Frequency
Meter
Reading
Factor
Emission
Level
Limits
Margin
(MHz)
(dBuV)
(dB)
(dBuV/m)
(dBuV/m)
(dB)
30.4237
6.48
21.02
27.50
40.00
56.0007
12.75
12.21
24.96
40.00
83.8156
15.16
11.24
26.40
40.00
120.6991
20.74
10.62
31.36
43.50
205.6750
18.15
13.80
31.95
43.50
417.6409
15.68
16.35
32.03
46.00
Remark:
Absolute Level= ReadingLevel+ Factor, Margin= Absolute Level - Limit
Version.1.2
-12.50
-15.04
-13.60
-12.14
-11.55
-13.97
Remark
QP
QP
QP
QP
QP
QP
Page 23 of 53
Report No.:NTEK-2017NT08075526F1
 Spurious Emission Above 1GHz (1GHz to 25GHz)
EUT:
2in1 tablet pc
Model No.:
DTTAB2in1-116-1
Temperature:
48%
20 ℃
Relative Humidity:
Test Mode:
Mode2/Mode3/Mode4 Test By:
Susan Su
All the modulation modes have been tested, and the worst result was report as below:
Frequenc
(MHz)
Read
Level
(dBμV)
Cable
loss
(dB)
4804.424
4804.424
7206.475
7206.475
4804.319
4804.319
63.20
41.00
60.73
43.57
61.40
42.37
5.21
5.21
6.48
6.48
5.21
5.21
7206.434
7206.434
62.45
47.60
6.48
6.48
4882.606
4882.606
7323.451
7323.451
4882.318
4882.318
7323.342
7323.342
63.35
43.43
61.12
47.36
61.57
49.11
60.36
42.76
5.21
5.21
7.10
7.10
5.21
5.21
7.10
7.10
4960.607
4960.607
7440.411
7440.411
4960.435
4960.435
7440.508
7440.508
67.43
44.13
62.36
45.09
67.10
48.13
62.15
46.21
5.21
5.21
7.10
7.10
5.21
5.21
7.10
7.10
Antenna
Preamp
Emission
Limits
Margin
Factor
Factor
Level
dB/m
(dB)
(dBμV/m) (dBμV/m)
(dB)
Low Channel (2402 MHz)(8-DPSK)--Above 1G
Remark
Comment
-14.30
-16.50
-15.12
-12.28
-16.14
-15.17
Pk
AV
Pk
AV
Pk
AV
36.27
44.52
60.68
74.00
-13.32
36.27
44.52
45.83
54.00
-8.17
Mid Channel (2441 MHz)(8-DPSK)--Above 1G
Pk
AV
Vertical
Vertical
Vertical
Vertical
Horizontal
Horizontal
Horizontal
Horizontal
35.59
35.59
36.27
36.27
35.55
35.55
44.30
44.30
44.60
44.60
44.30
44.30
59.70
37.50
58.88
41.72
57.86
38.83
74.00
54.00
74.00
54.00
74.00
54.00
35.66
44.20
60.02
74.00
35.66
44.20
40.10
54.00
36.50
44.43
60.29
74.00
36.50
44.43
46.53
54.00
35.66
44.20
58.24
74.00
35.66
44.20
45.78
54.00
36.50
44.43
59.53
74.00
36.50
44.43
41.93
54.00
High Channel (2480 MHz)(8-DPSK)-- Above
35.52
35.52
36.53
36.53
35.52
35.52
36.53
36.53
44.21
44.21
44.60
44.60
44.21
44.21
44.60
44.60
63.95
40.65
61.39
44.12
63.62
44.65
61.18
45.24
74.00
54.00
74.00
54.00
74.00
54.00
74.00
54.00
-13.98
-13.90
-13.71
-7.47
-15.76
-8.22
-14.47
-12.07
1G
Pk
AV
Pk
AV
Pk
AV
Pk
AV
-10.05
-13.35
-12.61
-9.88
-10.38
-9.35
-12.82
-8.76
Pk
AV
Pk
AV
Pk
AV
Pk
AV
Vertical
Vertical
Vertical
Vertical
Horizontal
Horizontal
Horizontal
Horizontal
Vertical
Vertical
Vertical
Vertical
Horizontal
Horizontal
Horizontal
Horizontal
Note: (1) All Readings are Peak Value (VBW=3MHz) and AV Value (VBW=10Hz).
(2) Emission Level= Antenna Factor + Cable Loss + Read Level - Preamp Factor
(3)All other emissions more than 20dB below the limit.
Version.1.2
Page 24 of 53
Report No.:NTEK-2017NT08075526F1
 Spurious Emission in Band edge
EUT:
2in1 tablet pc
Model No.:
DTTAB2in1-116-1
Temperature:
Relative Humidity:
48%
20 ℃
Test Mode:
Mode2/ Mode4
Test By:
Susan Su
All the modulation modes have been tested, and the worst result was report as below:
Frequenc
Meter
Reading
(MHz)
(dBμV)
Cable
Loss
(dB)
2310.00
2310.00
2310.00
2310.00
2390.00
2390.00
2390.00
2390.00
2483.50
2483.50
2483.50
2483.50
59.22
44.08
59.82
43.75
58.73
42.25
57.22
42.76
58.59
42.84
60.57
42.87
2.97
2.97
2.97
2.97
3.14
3.14
3.14
3.14
3.58
3.58
3.58
3.58
2310.00
2310.00
2310.00
2310.00
2390.00
2390.00
2390.00
2390.00
2483.50
2483.50
2483.50
2483.50
59.94
43.22
60.53
41.01
59.68
43.68
62.41
42.66
60.51
41.19
60.67
42.23
2.97
2.97
2.97
2.97
3.14
3.14
3.14
3.14
3.58
3.58
3.58
3.58
Antenna Preamp Emission
Limits
Factor
Factor
Level
dB/m
(dB)
(dBμV/m) (dBμV/m)
3Mbps (8-DPSK)-hopping
27.80
43.80
46.19
74
27.80
43.80
31.05
54
27.80
43.80
46.79
74
27.80
43.80
30.72
54
27.21
43.80
45.28
74
27.21
43.80
28.80
54
27.21
43.80
43.77
74
27.21
43.80
29.31
54
27.70
44.00
45.87
74
27.70
44.00
30.12
54
27.70
44.00
47.85
74
27.70
44.00
30.15
54
3Mbps(8-DPSK)- Non-hopping
27.80
43.80
46.91
74
27.80
43.80
30.19
54
27.80
43.80
47.50
74
27.80
43.80
27.98
54
27.21
43.80
46.23
74
27.21
43.80
30.23
54
27.21
43.80
48.96
74
27.21
43.80
29.21
54
27.70
44.00
47.79
74
27.70
44.00
28.47
54
27.70
44.00
47.95
74
27.70
44.00
29.51
54
Margin
Detector
(dB)
Type
-27.81
-22.95
-27.21
-23.28
-28.72
-25.20
-30.23
-24.69
-28.13
-23.88
-26.15
-23.85
Pk
AV
Pk
AV
Pk
AV
Pk
AV
Pk
AV
Pk
AV
Horizontal
Horizontal
Vertical
Vertical
Vertical
Vertical
Horizontal
Horizontal
Vertical
Vertical
Horizontal
Horizontal
-27.09
-23.81
-26.5
-26.02
-27.77
-23.77
-25.04
-24.79
-26.21
-25.53
-26.05
-24.49
Pk
AV
Pk
AV
Pk
AV
Pk
AV
Pk
AV
Pk
AV
Horizontal
Horizontal
Vertical
Vertical
Vertical
Vertical
Horizontal
Horizontal
Vertical
Vertical
Horizontal
Horizontal
Comment
Note: (1) All other emissions more than 20dB below the limit.
Version.1.2
Page 25 of 53
Report No.:NTEK-2017NT08075526F1
 Spurious Emission in Restricted Band 3260MMHz-18000MHz
EUT:
2in1 tablet pc
Model No.:
DTTAB2in1-116-1
Temperature:
48%
20 ℃
Relative Humidity:
Test Mode:
Mode2/ Mode4
Test By:
Susan Su
All the modulation modes have been tested, and the worst result was report as below:
Frequenc Readin Cable Antenn Preamp Emission
Detect
Limits Margin
g Level Loss
Factor
Level
or
Comment
(dBμ
(dBμ
(MHz)
(dBμV) (dB)
dB/m
(dB)
(dB)
Type
V/m)
V/m)
3260
60.47
4.04
29.57
44.70
49.38
74
-24.62
Pk
Vertical
3260
57.26
4.04
29.57
44.70
46.17
54
-7.83
AV
Vertical
3260
62.91
4.04
29.57
44.70
51.82
74
-22.18
Pk
Horizontal
3260
56.64
4.04
29.57
44.70
45.55
54
-8.45
AV
Horizontal
3332
65.80
4.26
29.87
44.40
55.53
74
-18.47
Pk
Vertical
3332
53.82
4.26
29.87
44.40
43.55
54
-10.45
AV
Vertical
3332
62.38
4.26
29.87
44.40
52.11
74
-21.89
Pk
Horizontal
3332
53.22
4.26
29.87
44.40
42.95
54
-11.05
AV
Horizontal
17797
43.63
10.99
43.95
43.50
55.07
74
-18.93
Pk
Vertical
17797
32.16
10.99
43.95
43.50
43.60
54
-10.40
AV
Vertical
17788
43.80
11.81
43.69
44.60
54.70
74
-19.30
Pk
Horizontal
17788
31.55
11.81
43.69
44.60
42.45
54
-11.55
AV
Horizontal
Note: (1) All other emissions more than 20dB below the limit.
Version.1.2
Page 26 of 53
Report No.:NTEK-2017NT08075526F1
7.3 NUMBER OF HOPPING CHANNEL
7.3.1
Applicable Standard
According to FCC Part 15.247(a)(1) (iii)and ANSI C63.10-2013
7.3.2
Conformance Limit
Frequency hopping systems in the 2400-2483.5MHz band shall use at least 15 channels.
7.3.3
Measuring Instruments
The Measuring equipment is listed in the section 6.3 of this test report.
7.3.4
Test Setup
Please refer to Section 6.1 of this test report.
7.3.5
Test Procedure
The testing follows ANSI C63.10-2013 clause 7.8.3
The RF output of EUT was connected to the spectrum analyzer by RF cable and attenuator.
The path loss was compensated to the results for each measurement.
Set to the maximum power setting and enable the EUT transmit continuously.
The EUT must have its hopping function enabled.
Use the following spectrum analyzer settings:
Span = the frequency band of operation
RBW : To identify clearly the individual channels, set the RBW to less than 30% of the channel
spacing or the 20 dB bandwidth, whichever is smaller.
VBW  RBW
Sweep = auto
Detector function = peak
Trace = max hold
7.3.6
Test Results
EUT:
2in1 tablet pc
Model No.:
DTTAB2in1-116-1
Temperature:
20 ℃
Relative Humidity:
48%
Test Mode:
Mode 5(1Mbps)
Test By:
Susan Su
Number of Hopping
(Channel)
79
Version.1.2
Adaptive Frequency hopping
(Channel)
20
limit
Verdict
≥15
Pass
Page 27 of 53
Report No.:NTEK-2017NT08075526F1
Number of Hopping Channel Plot
Version.1.2
Page 28 of 53
Report No.:NTEK-2017NT08075526F1
7.4 HOPPING CHANNEL SEPARATION MEASUREMENT
7.4.1
Applicable Standard
According to FCC Part 15.247(a)(1) and ANSI C63.10-2013
7.4.2
Conformance Limit
Frequency hopping systems operating in the 2400-2483.5MHz band shall have hopping channel carrier
frequencies that are separated by 25kHz or two-thirds of the 20dB bandwidth of the hopping channel,
whichever is greater.
7.4.3
Measuring Instruments
The Measuring equipment is listed in the section 6.3 of this test report.
7.4.4
Test Setup
Please refer to Section 6.1 of this test report.
7.4.5
Test Procedure
The testing follows ANSI C63.10-2013 clause 7.8.2
The RF output of EUT was connected to the spectrum analyzer by RF cable and attenuator.
The path loss was compensated to the results for each measurement.
Set to the maximum power setting and enable the EUT transmit continuously.
The EUT was operating in controlled its channel.
Use the following spectrum analyzer settings:
Span = Measurement Bandwidth or Channel Separation
RBW: Start with the RBW set to approximately 30% of the channel spacing; adjust as necessary
to best identify the center of each individual channel.
VBW  RBW
Sweep = auto
Detector function = peak
Trace = max hold
Version.1.2
Page 29 of 53
Report No.:NTEK-2017NT08075526F1
7.4.6
Test Results
EUT:
2in1 tablet pc
Model No.:
DTTAB2in1-116-1
Temperature:
20 ℃
Relative Humidity:
48%
Test Mode:
Mode2/Mode3/Mode4 Test By:
Modulation
Mode
GFSK
π/4-DQPSK
8-DPSK
Version.1.2
Channel
Number
Channel
Frequency
(MHz)
39
78
39
78
39
78
2402
2441
2480
2402
2441
2480
2402
2441
2480
Measured
Channel
Separation
(kHz)
1000
1000
1000
1000
1000
1000
1000
1000
1000
Susan Su
Limit
(kHz)
>692.667
>692.667
>693.333
>906.000
>907.333
>908.000
>866.667
>866.000
>866.667
2/3 of 20dB BW
2/3 of 20dB BW
2/3 of 20dB BW
2/3 of 20dB BW
2/3 of 20dB BW
2/3 of 20dB BW
2/3 of 20dB BW
2/3 of 20dB BW
2/3 of 20dB BW
Verdict
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
Page 30 of 53
Report No.:NTEK-2017NT08075526F1
Test Plot
(1Mbps) Channel Separation plot on channel 00-01
(2Mbps) Channel Separation plot on channel 00-01
(1Mbps) Channel Separation plot on channel 39-40
(2Mbps) Channel Separation plot on channel 39-40
(1Mbps) Channel Separation plot on channel 77-78
(2Mbps) Channel Separation plot on channel 77-78
Version.1.2
Page 31 of 53
Report No.:NTEK-2017NT08075526F1
Test Plot
(3Mbps) Channel Separation plot on channel 00-01
(3Mbps) Channel Separation plot on channel 39-40
(3Mbps) Channel Separation plot on channel 77-78
Version.1.2
Page 32 of 53
Report No.:NTEK-2017NT08075526F1
7.5 AVERAGE TIME OF OCCUPANCY (DWELL TIME)
7.5.1
Applicable Standard
According to FCC Part 15.247(a)(1)(iii) and ANSI C63.10-2013
7.5.2
Conformance Limit
The average time of occupancy on any channel shall not be greater than 0.4s within a period of 0.4s
multiplied by the number of hopping channels employed.
7.5.3
Measuring Instruments
The Measuring equipment is listed in the section 6.3 of this test report.
7.5.4
Test Setup
Please refer to Section 6.1 of this test report.
7.5.5
Test Procedure
The testing follows ANSI C63.10-2013 clause 7.8.4
The RF output of EUT was connected to the spectrum analyzer by RF cable and attenuator.
The path loss was compensated to the results for each measurement.
Set to the maximum power setting and enable the EUT transmit continuously.
The EUT must have its hopping function enabled.
Use the following spectrum analyzer settings:
Span = zero span, centered on a hopping channel
RBW  1MHz
VBW  RBW
Sweep = as necessary to capture the entire dwell time per hopping channel
Detector function = peak
Trace = max hold
Measure the maximum time duration of one single pulse.
Set the EUT for DH5, DH3 and DH1 packet transmitting.
Measure the maximum time duration of one single pulse.
Version.1.2
Page 33 of 53
Report No.:NTEK-2017NT08075526F1
7.5.6
Test Results
EUT:
2in1 tablet pc
Model No.:
DTTAB2in1-116-1
Temperature:
20 ℃
Relative Humidity:
48%
Test Mode:
Mode2/Mode3/Mode4 Test By:
Modulatio Channel
n Mode
Number
GFSK
π/4DQPSK
8DPSK
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
Packet
type
DH1
DH3
DH5
2DH1
2DH3
2DH5
3DH1
3DH3
3DH5
Mode
Normal
AFH
Normal
AFH
Normal
AFH
Normal
AFH
Normal
AFH
Normal
AFH
Normal
AFH
Normal
AFH
Normal
AFH
Hops
Over
Occupanc
(ms)
320
160
160
80
106.67
53.33
320
160
160
80
106.67
53.33
320
160
160
80
106.67
53.33
Susan Su
Pulse
width
(ms)
0.425
0.425
1.7
1.7
2.942
2.942
0.441
0.441
1.683
1.683
2.95
2.95
0.433
0.433
1.692
1.692
2.942
2.942
dwell time
(ms)
136.00
68.00
272.00
136.00
313.82
156.90
141.12
70.56
269.28
134.64
314.68
157.32
138.56
69.28
270.72
135.36
313.82
156.90
Limit
(ms)
<400
<400
<400
<400
<400
<400
<400
<400
<400
<400
<400
<400
<400
<400
<400
<400
<400
<400
Verdict
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
Note:
A Period Time = (channel number)*0.4
DH1 Time Slot: Reading * (1600/2)*31.6/(channel number)
DH3 Time Slot: Reading * (1600/4)*31.6/(channel number)
DH5 Time Slot: Reading * (1600/6)*31.6/(channel number)
For Example:
1. In normal mode, hopping rate is 1600 hops/s with 6 slots in 79 hopping channels.
With channel hopping rate (1600 / 6 / 79) in Occupancy Time Limit (0.4 x 79) (s),
Hops Over Occupancy Time comes to (1600 / 6 / 79) x (0.4 x 79) = 106.67 hops.
2. In AFH mode, hopping rate is 800 hops/s with 6 slots in 20 hopping channels.
With channel hopping rate (800 / 6 / 20) in Occupancy Time Limit (0.4 x 20) (s),
Hops Over Occupancy Time comes to (800 / 6 / 20) x (0.4 x 20) = 53.33 hops.
3. Dwell Time(s) = Hops Over Occupancy Time (hops) x Package Transfer Time
Version.1.2
Page 34 of 53
Report No.:NTEK-2017NT08075526F1
Test Plot
Package Transfer Time Plot CH39-DH1
Package Transfer Time Plot CH39-2DH1
Package Transfer Time Plot CH39-DH3
Package Transfer Time Plot CH39-2DH3
Package Transfer Time Plot CH39-DH5
Package Transfer Time Plot CH39-2DH5
Version.1.2
Page 35 of 53
Report No.:NTEK-2017NT08075526F1
Test Plot
Package Transfer Time Plot CH39-3DH1
Package Transfer Time Plot CH39-3DH3
Package Transfer Time Plot CH39-3DH5
Version.1.2
Page 36 of 53
Report No.:NTEK-2017NT08075526F1
7.6 20DB BANDWIDTH TEST
7.6.1
Applicable Standard
According to FCC Part 15.247(a)(1) and ANSI C63.10-2013
7.6.2
Conformance Limit
No limit requirement.
7.6.3
Measuring Instruments
The Measuring equipment is listed in the section 6.3 of this test report.
7.6.4
Test Setup
Please refer to Section 6.1 of this test report.
7.6.5
Test Procedure
The testing follows ANSI C63.10-2013 clause 6.9.2
The RF output of EUT was connected to the spectrum analyzer by RF cable and attenuator.
The path loss was compensated to the results for each measurement.
Set to the maximum power setting and enable the EUT transmit continuously.
The EUT was operating in controlled its channel.
Use the following spectrum analyzer settings:
Span = approximately 2 to 3 times the 20 dB bandwidth, centered on a hopping channel
RBW  1% of the 20 dB bandwidth
VBW  RBW
Sweep = auto
Detector function = peak
Trace = max hold
Version.1.2
Page 37 of 53
Report No.:NTEK-2017NT08075526F1
7.6.6
Test Results
EUT:
2in1 tablet pc
Model No.:
DTTAB2in1-116-1
Temperature:
20 ℃
Relative Humidity:
48%
Test Mode:
Mode2/Mode3/Mode4 Test By:
Test Channel
Frequency
Measured
Bandwidth
(KHz)
2402
2441
2480
39
78
2402
2441
2480
39
78
2402
2441
2480
Limit
Verdict
(kHz)
(MHz)
39
78
Susan Su
1Mbps
1039
1039
1040
2Mbps
1359
1361
1362
3Mbps
1300
1299
1300
N/A
N/A
N/A
PASS
PASS
PASS
N/A
N/A
N/A
PASS
PASS
PASS
N/A
N/A
N/A
PASS
PASS
PASS
Note: N/A (Not Applicable)
Version.1.2
Page 38 of 53
Report No.:NTEK-2017NT08075526F1
Test Plot
20dB Bandwidth plot on channel 00 (1Mbps)
20dB Bandwidth plot on channel 00 (2Mbps)
20dB Bandwidth plot on channel 39 (1Mbps)
20dB Bandwidth plot on channel 39 (2Mbps)
20dB Bandwidth plot on channel 78 (1Mbps)
20dB Bandwidth plot on channel 78 (2Mbps)
Version.1.2
Page 39 of 53
Report No.:NTEK-2017NT08075526F1
Test Plot
20dB Bandwidth plot on channel 00 (3Mbps)
20dB Bandwidth plot on channel 39 (3Mbps)
20dB Bandwidth plot on channel 78 (3Mbps)
Version.1.2
Page 40 of 53
Report No.:NTEK-2017NT08075526F1
7.7 PEAK OUTPUT POWER
7.7.1
Applicable Standard
According to FCC Part 15.247(b)(1) and ANSI C63.10-2013
7.7.2
Conformance Limit
The maximum peak conducted output power of the intentional radiator shall not exceed the following: (1) For
frequency hopping systems operating in the 2400-2483.5 MHz band employing at least 75 non-overlapping
hopping channels, and all frequency hopping systems in the 5725-5850 MHz band: 1 watt. For all other
frequency hopping systems in the 2400-2483.5 MHz band 0.125 watts.
7.7.3
Measuring Instruments
The Measuring equipment is listed in the section 6.3 of this test report.
7.7.4
Test Setup
Please refer to Section 6.1 of this test report.
7.7.5
Test Procedure
The testing follows ANSI C63.10-2013 clause 7.8.5.
The RF output of EUT was connected to the spectrum analyzer by RF cable and attenuator.
The path loss was compensated to the results for each measurement.
Set to the maximum power setting and enable the EUT transmit continuously.
The EUT was operating in controlled its channel.
Use the following spectrum analyzer settings:
Span = approximately 5 times the 20 dB bandwidth, centered on a hopping channel
RBW  the 20 dB bandwidth of the emission being measured
VBW  RBW
Sweep = auto
Detector function = peak
Trace = max hold
Version.1.2
Page 41 of 53
Report No.:NTEK-2017NT08075526F1
7.7.6
Test Results
EUT:
2in1 tablet pc
Model No.:
DTTAB2in1-116-1
Temperature:
20 ℃
Relative Humidity:
48%
Test Mode:
Mode2/Mode3/Mode4 Test By:
Test
Channel
Frequenc
(MHz)
39
78
2402
2441
2480
39
78
2402
2441
2480
39
78
2402
2441
2480
Version.1.2
Peak
Output
Power
(dBm)
1Mbps
Default
-1.884
Default
-1.044
Default
-0.747
2Mbps
Default
-0.414
Default
0.163
Default
0.675
3Mbps
Default
-0.182
Default
0.048
Default
0.856
Power
Setting
Susan Su
LIMIT
Verdict
(dBm)
20.97
20.97
20.97
PASS
PASS
PASS
20.97
20.97
20.97
PASS
PASS
PASS
20.97
20.97
20.97
PASS
PASS
PASS
Page 42 of 53
Report No.:NTEK-2017NT08075526F1
Test Plot
Peak output Power plot on channel 00 (1Mbps)
Peak output Power plot on channel 00 (2Mbps)
Peak output Power plot on channel 39 (1Mbps)
Peak output Power plot on channel 39 (2Mbps)
Peak output Power plot on channel 78 (1Mbps)
Peak output Power plot on channel 78 (2Mbps)
Version.1.2
Page 43 of 53
Report No.:NTEK-2017NT08075526F1
Test Plot
Peak output Power plot on channel 00 (3Mbps)
Peak output Power plot on channel 39 (3Mbps)
Peak output Power plot on channel 78 (3Mbps)
Version.1.2
Page 44 of 53
Report No.:NTEK-2017NT08075526F1
7.8 CONDUCTED BAND EDGE MEASUREMENT
7.8.1
Applicable Standard
According to FCC Part 15.247(d) and ANSI C63.10-2013
7.8.2
Conformance 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. Attenuation below the general limits specified in §15.209(a) is not required. In addition, radiated
emissions which fall in the restricted bands, as defined in §15.205(a), must also comply with the radiated
emission limits specified in §15.209(a) (see §15.205(c)).
7.8.3
Measuring Instruments
The Measuring equipment is listed in the section 6.3 of this test report.
7.8.4
Test Setup
Please refer to Section 6.1 of this test report.
7.8.5
Test Procedure
The testing follows ANSI C63.10-2013 clause 7.8.6.
The RF output of EUT was connected to the spectrum analyzer by RF cable and attenuator.
The path loss was compensated to the results for each measurement.
Set to the maximum power setting and enable the EUT transmit continuously.
The EUT must have its hopping function enabled.
Use the following spectrum analyzer settings:
Span = approximately 5 times the 20 dB bandwidth, centered on a hopping channel
RBW = 100KHz
VBW = 300KHz
Band edge emissions must be at least 20 dB down from the highest emission level within the authorized
band as measured with a 100kHz RBW. The attenuation shall be 30 dB instead of 20 dB when RMS
conducted output power procedure is used.
Measure the highest amplitude appearing on spectral display and set it as a reference level. Plot the graph
with marking the highest point and edge frequency.
Repeat above procedures until all measured frequencies were complete.
Version.1.2
Page 45 of 53
Report No.:NTEK-2017NT08075526F1
7.8.6
Test Results
EUT:
2in1 tablet pc
Model No.:
DTTAB2in1-116-1
Temperature:
20 ℃
Relative Humidity: 48%
Test Mode:
Mode2 /Mode4/ Mode 5
Test By:
Susan Su
Note: Hopping enabled and disabled have evaluated,and the wortest data was reported
Test Plot
GFSK: Band Edge-Low Channel
GFSK: Band Edge-High Channel
GFSK: Band Edge-Low Channel (Hopping Mode)
GFSK: Band Edge-High Channel (Hopping Mode)
Version.1.2
Page 46 of 53
Report No.:NTEK-2017NT08075526F1
Test Plot
π/4-DQPSK: Band Edge-Low Channel
π/4-DQPSK: Band Edge-Low Channel
(Hopping Mode)
Version.1.2
π/4-DQPSK: Band Edge-High Channel
π/4-DQPSK: Band Edge-High Channel
(Hopping Mode)
Page 47 of 53
Report No.:NTEK-2017NT08075526F1
Test Plot
8-DPSK: Band Edge-Low Channel
8-DPSK: Band Edge-Low Channel
(Hopping Mode)
Version.1.2
8-DPSK: Band Edge-High Channel
8-DPSK: Band Edge-High Channel (Hopping Mode)
Page 48 of 53
Report No.:NTEK-2017NT08075526F1
7.9 SPURIOUS RF CONDUCTED EMISSION
7.9.1
Applicable Standard
According to FCC Part 15.247(d) and ANSI C63.10-2013.
7.9.2
Conformance 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. Attenuation below the general limits specified in §15.209(a) is not required. In addition, radiated
emissions which fall in the restricted bands, as defined in §15.205(a), must also comply with the radiated
emission limits specified in §15.209(a) (see §15.205(c)).
7.9.3
Measuring Instruments
The Measuring equipment is listed in the section 6.3 of this test report.
7.9.4
Test Setup
Please refer to Section 6.1 of this test report.
7.9.5
Test Procedure
Establish an emission level by using the following procedure:
a) Set the center frequency and span to encompass frequency range to be measured.
b) Set the RBW = 100 kHz.
c) Set the VBW ≥ [3 × RBW].
d) Detector = peak.
e) Sweep time = auto couple.
f) Trace mode = max hold.
g) Allow trace to fully stabilize.
h) Use the peak marker function to determine the maximum amplitude level.
Then the limit shall be attenuated by at least 20 dB relative to the maximum
amplitude level in 100 kHz.
7.9.6
Test Results
Remark: The measurement frequency range is from 9KHz to the 10th harmonic of the fundamental
frequency. The lowest, middle and highest channels are tested to verify the spurious emissions and bandege
measurement data.
The worst mode is 8-DPSK mode, and the report only show the worst mode data.
Version.1.2
Page 49 of 53
Report No.:NTEK-2017NT08075526F1
Test Plot(8-DPSK)
Version.1.2
8-DPSK on channel 00
8-DPSK on channel 00
8-DPSK on channel 00
8-DPSK on channel 00
Page 50 of 53
Report No.:NTEK-2017NT08075526F1
Test Plot
Version.1.2
8-DPSK on channel 39
8-DPSK on channel 39
8-DPSK on channel 39
8-DPSK on channel 39
Page 51 of 53
Report No.:NTEK-2017NT08075526F1
Test Plot
Version.1.2
8-DPSK on channel 78
8-DPSK on channel 78
8-DPSK on channel 78
8-DPSK on channel 78
Page 52 of 53
Report No.:NTEK-2017NT08075526F1
7.10 ANTENNA APPLICATION
7.10.1 Antenna Requirement
15.203 requirement: For intentional device, according to 15.203: an intentional radiator shall be designed to
ensure that no antenna other than that furnished by the responsible partyshall be used with the device.
7.10.2 Result
The EUT antenna is permanent attached FPCB antenna(Gain:2dBi). It comply with the standard
requirement.
END OF REPORT
Version.1.2
Page 53 of 53
Download: DTTAB-116-1 2in1 tablet pc Test Report BT Report for FCC ID-V1.2 SHENZHEN BMORN TECHNOLOGY CO.,LTD.
Mirror Download [FCC.gov]DTTAB-116-1 2in1 tablet pc Test Report BT Report for FCC ID-V1.2 SHENZHEN BMORN TECHNOLOGY CO.,LTD.
Document ID3548771
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SupercedeNo
Document TypeTest Report
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Filesize187.54kB (2344234 bits)
Date Submitted2017-09-07 00:00:00
Date Available2017-09-07 00:00:00
Creation Date2017-08-31 09:18:44
Producing SoftwareAcrobat Distiller 15.0 (Windows)
Document Lastmod2017-08-31 09:18:44
Document TitleBT Report for FCC ID-V1.2
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Document Author: ntek136

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