PFAQ100 PIQS Virtual Touch Projector Test Report ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT PIQS Technology(Shenzhen)

PIQS Technology(Shenzhen) PIQS Virtual Touch Projector

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Report No.: SER180630307004E
FCC RADIO TEST REPORT
FCC ID: 2ALH2-PFAQ100
Product: PIQS Virtual Touch Projector
Trade Mark: PIQS
Model No.: Q1
Serial Model: Q1S, Q+, Q1+, Q Plus, Q1 Plus, Q Pro, Q1 Pro
Report No.: SER180630307004E
Issue Date: 13 Aug. 2018
Prepared for
PIQS Technology(Shenzhen) Limited
West, 6F Buiding 1, No.35 CuiJing Road, Pingshan New District,
Shenzhen City, Guangdong Province, P.R.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.: SER180630307004E
TABLE OF CONTENTS
TEST RESULT CERTIFICATION ...................................................................................................................... 3
SUMMARY OF TEST RESULTS ......................................................................................................................... 4
FACILITIES AND ACCREDITATIONS ............................................................................................................. 5
3.1 FACILITIES ........................................................................................................................................................... 5
3.2 LABORATORY ACCREDITATIONS AND LISTINGS ........................................................................................ 5
2.3
MEASUREMENT UNCERTAINTY ............................................................................................................... 5
GENERAL DESCRIPTION OF EUT .................................................................................................................. 6
DESCRIPTION OF TEST MODES ..................................................................................................................... 8
SETUP OF EQUIPMENT UNDER TEST ......................................................................................................... 10
6.1
6.2
6.3
BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ..................................................................... 10
SUPPORT EQUIPMENT............................................................................................................................... 11
EQUIPMENTS LIST FOR ALL TEST ITEMS.............................................................................................. 12
TEST REQUIREMENTS .................................................................................................................................... 14
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
CONDUCTED EMISSIONS TEST ............................................................................................................... 14
RADIATED SPURIOUS EMISSION ............................................................................................................ 19
6DB BANDWIDTH....................................................................................................................................... 28
DUTY CYCLE ............................................................................................................................................... 32
MAXIMUM OUTPUT POWER .................................................................................................................... 34
POWER SPECTRAL DENSITY ................................................................................................................... 36
CONDUCTED BAND EDGE MEASUREMENT......................................................................................... 40
SPURIOUS RF CONDUCTED EMISSIONS................................................................................................ 44
ANTENNA APPLICATION .......................................................................................................................... 54
Version.1.2
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Report No.: SER180630307004E
TEST RESULT CERTIFICATION
Applicant’s name ......................... : PIQS Technology(Shenzhen) Limited
Address ....................................... : West, 6F Buiding 1, No.35 CuiJing Road, Pingshan New District,
Shenzhen City, Guangdong Province, P.R.China
Manufacturer's Name .................. : Butterfly technology(Shenzhen) Limited
Address ....................................... : East, 6F Buiding 1, No.35 CuiJing Road, Pingshan New
District, Shenzhen City, Guangdong Province, P.R.China
Product description
Product name .............................. : PIQS Virtual Touch Projector
Model and/or type reference ..... : Q1
Serial Model ................................ : Q1S, Q+, Q1+, Q Plus, Q1 Plus, Q Pro, Q1 Pro
Measurement Procedure Used:
APPLICABLE STANDARDS
APPLICABLE 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
FCC KDB 662911 D01 Multiple Transmitter Output v02r01
Complied
FCC KDB 662911 D02 MIMO With Cross Polarized Antenna V01
ANSI C63.10-2013
FCC KDB 558074 D01 DTS Meas Guidance v04
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
02 Jul. 2018~ 13 Aug. 2018
(Allen Liu)
Technical Manager
(Jason Chen)
Authorized Signatory
(Sam Chen)
Version.1.2
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Report No.: SER180630307004E
SUMMARY OF TEST RESULTS
FCC Part15 (15.247), Subpart C
Standard Section
Test Item
Verdict
15.207
Conducted Emission
PASS
15.247 (a)(2)
6dB Bandwidth
PASS
15.247 (b)
Maximum Output Power
PASS
15.247 (c)
Radiated Spurious Emission
PASS
15.247 (d)
Power Spectral Density
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.
Version.1.2
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Report No.: SER180630307004E
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
EMC Lab.
: Accredited by CNAS, 2014.09.04
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.
Accredited by Industry Canada, August 29, 2012
The Certificate Registration Number is 9270A-1.
Accredited by FCC, September 6, 2013
The Certificate Registration Number is 238937.
Name of Firm
Site Location
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.
2.3 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%
Version.1.2
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Report No.: SER180630307004E
GENERAL DESCRIPTION OF EUT
Product Feature and Specification
Equipment
PIQS Virtual Touch Projector
Trade Mark
PIQS
FCC ID
2ALH2-PFAQ100
Model No.
Q1
Serial Model
Q1S, Q+, Q1+, Q Plus, Q1 Plus, Q Pro, Q1 Pro
Model Difference
All the model are the same circuit and RF module,
except the colour.
Operating Frequency
2412-2462MHz for 802.11b/g/11n(HT20);
Modulation
DSSS with DBPSK/DQPSK/CCK for 802.11b;
OFDM with BPSK/QPSK/16QAM/64QAM for 802.11g/n;
Number of Channels
11 channels for 802.11b/g/11n(HT20);
Antenna Type
Antenna A: FPCB Antenna
Antenna B: FPCB Antenna
Smart system
SISO for 802.11b/g
MIMO for 802.11n20
Antenna Gain
Antenna A:2 dBi
Antenna B:2 dBi
DC supply:
DC 19V from Adapter.
Power supply
Adapter supply:
Model: ADP-120ZB BB
Input: AC 100~240V, 50-60Hz, 2.0A
Output: DC 19V, 6.32A
HW Version
Q1_T968_V1
SW Version
Q1EN20180622V001
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.
Version.1.2
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Report No.: SER180630307004E
Revision History
Report No.
Version
Description
Issued Date
SER180630307004E
Rev.01
Initial issue of report
Aug. 13, 2018
Version.1.2
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Report No.: SER180630307004E
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 (802.11b: 1 Mbps; 802.11g: 6 Mbps; 802.11n (HT20): MCS0) 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 Y-plane results were found as the worst case and were shown in this report.
Frequency and Channel list for 802.11b/g/n (HT20):
Channel
…
…
10
11
Note: fc=2412MHz+(k-1)×5MHz k=1 to 11
Frequency(MHz)
2412
2417
…
2432
2437
…
2457
2462
AC power line Conducted Emission was tested under maximum output power.
2.4G/5G
WIFI/BT
ANTA
2.4G/5G
WIFI
ANTB
EUT has two antennas, and different modes support different transmit mode what describe
as Following form:
Mode
Tx/Rx
1TX, 1RX
802.11b/g
802.11n
Version.1.2
1TX/2TX, 1RX/2RX
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Report No.: SER180630307004E
Test Mode:
Test Items
Mode
AC Power Line Conducted
Emissions
Normal Link
Maximum Conducted Output
Power
Power Spectral Density
6dB Spectrum Bandwidth
Data Rate
Channel
Ant
11b/CCK
11g/BPSK
11n HT20
1 Mbps
6 Mbps
MCS0
1/6/11
1/6/11
1/6/11
A/B
A/B
A/B
11b/CCK
11g/BPSK
11n HT20
1 Mbps
6 Mbps
MCS0
1/6/11
1/6/11
1/6/11
A/B
A/B
A/B
11b/CCK
1 Mbps
1/6/11
A/B
11g/BPSK
11n HT20
6 Mbps
MCS0
1/6/11
1/6/11
A/B
A/B
Radiated Emissions Below
1GHz
Normal Link
Radiated Emissions Above
1GHz
11b/CCK
1 Mbps
1/6/11
A/B
11g/BPSK
11n HT20
6 Mbps
MCS0
1/6/11
1/6/11
A/B
A/B
11b/CCK
11g/BPSK
11n HT20
1 Mbps
6 Mbps
MCS0
1/6/11
1/6/11
1/6/11
A/B
A/B
A/B
Band Edge Emissions
Version.1.2
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Report No.: SER180630307004E
SETUP OF EQUIPMENT UNDER TEST
6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM
For AC Conducted Emission Mode
C-2
E-1
EUT
E-3
Earphone
C-1
AC PLUG
E-2
Adapter
E-4
Remote Control
For Radiated Test Cases
E-1
EUT
AC PLUG
C-1
E-2
Adapter
For Conducted Test Cases
C-3
Measurement
Instrument
C-1
EUT
AC PLUG
E-2
Adapter
Note:The temporary antenna connector is soldered on the FPCB board in order to perform conducted tests and
this temporary antenna connector is listed in the equipment list.
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Report No.: SER180630307004E
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.
Series No.
Note
PIQS Virtual Touch
E-1
PIQS
Q1
N/A
EUT
Projector
E-2
Adapter
N/A
ADP-120ZB BB
Peripherals
N/A
E-3
Earphone
N/A
N/A
N/A
Peripherals
E-4
Remote Control
N/A
N/A
N/A
Peripherals
Item
Cable Type
Shielded Type
Ferrite Core
Length
C-1
Power Cable
NO
YES
1.2m
C-2
Earphone Cable
NO
NO
0.8m
C-3
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.: SER180630307004E
6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS
Radiation Test equipment
Kind of
Equipment
Item
Spectrum
Analyzer
Spectrum
Analyzer
Spectrum
Analyzer
Last
calibration
Calibrated
until
Calibrati
on
period
E4407B
MY45108040 2018.05.19
2019.05.18
1 year
Agilent
N9020A
MY49100060 2017.10.26
2018.10.25
1 year
R&S
FSV40
101417
2017.10.26
2018.10.25
1 year
Manufacturer
Type No.
Aglient
Serial No.
Test Receiver
R&S
ESPI7
101318
2018.05.19
2019.05.18
1 year
Bilog Antenna
TESEQ
CBL6111D
31216
2018.04.08
2019.04.07
1 year
50Ω Coaxial
Switch
Anritsu
MP59B
6200983705
2018.05.19
2020.05.18
2 year
Horn Antenna
2018.04.08
2019.04.07
1 year
Amplifier
2018.08.08
2019.08.07
1 year
Active Loop
Antenna
2017.12.06
2018.12.06
1 year
10
Power Meter
2018.08.06
2019.08.05
1 year
Test Cable
(9KHz-30MHz)
Test Cable
12
(30MHz-1GHz)
High Test
13 Cable(1G-40G
Hz)
High Test
14 Cable(1G-40G
Hz)
11
EM-AH-1018
2011071402
EMC051835
EMC
980246
SE
SCHWARZBE FMZB 1519
055
CK
15I00041SN
DARE
RPR3006W
O84
EM
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
15
Filter
TRILTHIC
2400MHz
29
2017.04.19
2020.04.18
3 year
16
temporary
antenna
connector
(Note)
NTS
R001
N/A
N/A
N/A
N/A
Note:
We will use the temporary antenna connector (soldered on the FPCB board) When conducted test
And this temporary antenna connector is listed within the instrument list
Version.1.2
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Report No.: SER180630307004E
AC Conduction Test equipment
Kind of
Item
Manufacturer
Equipment
Type No.
Serial No.
Last
calibration
Calibrated
until
Calibration
period
Test Receiver
R&S
ESCI
101160
2018.05.19
2019.05.18
1 year
LISN
R&S
ENV216
101313
2018.04.18
2019.04.19
1 year
8129245
2018.05.19
2019.05.18
1 year
6200983704
2018.05.19
2020.05.18
2 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
SCHWARZBE
NNLK 8129
CK
50Ω Coaxial
ANRITSU
MP59B
Switch
CORP
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
Note: Each piece of equipment is scheduled for calibration once a year except the Test Cable which is
scheduled for calibration every 3 years.
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Report No.: SER180630307004E
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
Measuring Instruments
The Measuring equipment is listed in the section 6.3 of this test report.
7.1.4
Test Configuration
Reference
Ground
EMI Receiver
EUT
Auxiliary
Equipment
80cm
Reference
Ground
50Ω
80cm
LISN
7.1.5
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.
Version.1.2
Page 14 of 54
Report No.: SER180630307004E
7.1.6
Test Results
PIQS Virtual Touch
Projector
26 ℃
EUT:
Temperature:
Pressure:
Test Voltage :
Frequency
Model Name :
Relative Humidity: 54%
Phase :
1010hPa
DC 19V from Adapter
AC 120V/60Hz
Reading Level Correct Factor
Q1
Test Mode:
Measure-ment
Normal Link
Limits
Margin
Remark
(MHz)
(dBμV)
(dB)
(dBμV)
(dBμV)
(dB)
0.1740
47.72
9.76
57.48
64.76
-7.28
QP
0.1740
26.60
9.76
36.36
54.76
-18.40
AVG
0.1860
49.73
9.76
59.49
64.21
-4.72
QP
0.1860
25.36
9.76
35.12
54.21
-19.09
AVG
0.2140
47.40
9.76
57.16
63.04
-5.88
QP
0.2140
24.40
9.76
34.16
53.04
-18.88
AVG
0.3100
41.76
9.74
51.50
59.97
-8.47
QP
0.3100
23.78
9.74
33.52
49.97
-16.45
AVG
0.4300
36.99
9.74
46.73
57.25
-10.52
QP
0.4300
18.41
9.74
28.15
47.25
-19.10
AVG
3.5900
30.25
9.84
40.09
56.00
-15.91
QP
3.5900
16.51
9.84
26.35
46.00
-19.65
AVG
Remark:
1. All readings are Quasi-Peak and Average values.
2. Factor = Insertion Loss + Cable Loss.
Version.1.2
Page 15 of 54
Report No.: SER180630307004E
EUT:
Temperature:
Pressure:
Test Voltage :
Frequency
PIQS Virtual Touch
Projector
26 ℃
Model Name :
Q1
Relative Humidity:
1010hPa
DC 19V from Adapter
AC 120V/60Hz
Phase :
54%
Test Mode:
Normal Link
Reading Level Correct Factor
Measure-ment
Limits
Margin
Remark
(MHz)
(dBμV)
(dB)
(dBμV)
(dBμV)
(dB)
0.1539
48.28
9.74
58.02
65.78
-7.76
QP
0.1539
30.38
9.74
40.12
55.78
-15.66
AVG
0.1859
40.63
9.73
50.36
64.21
-13.85
QP
0.1859
25.29
9.73
35.02
54.21
-19.19
AVG
0.1980
47.11
9.73
56.84
63.69
-6.85
QP
0.1980
23.92
9.73
33.65
53.69
-20.04
AVG
0.2419
43.30
9.74
53.04
62.03
-8.99
QP
0.2419
24.38
9.74
34.12
52.03
-17.91
AVG
0.2620
44.11
9.74
53.85
61.36
-7.51
QP
0.2620
25.37
9.74
35.11
51.36
-16.25
AVG
0.3019
41.06
9.74
50.80
60.19
-9.39
QP
0.3019
26.95
9.74
36.69
50.19
-13.50
AVG
Remark:
1. All readings are Quasi-Peak and Average values.
2. Factor = Insertion Loss + Cable Loss.
Version.1.2
Page 16 of 54
Report No.: SER180630307004E
PIQS Virtual Touch
Projector
26 ℃
EUT:
Temperature:
Pressure:
Test Voltage :
Frequency
Model Name :
Relative Humidity: 54%
Phase :
1010hPa
DC 19V from Adapter
AC 240V/60Hz
Reading Level Correct Factor
Q1
Test Mode:
Measure-ment
Normal Link
Limits
Margin
Remark
(MHz)
(dBμV)
(dB)
(dBμV)
(dBμV)
(dB)
0.1580
42.25
9.75
52.00
65.56
-13.56
QP
0.1580
38.27
9.75
48.02
55.56
-7.54
AVG
0.1780
50.70
9.76
60.46
64.57
-4.11
QP
0.1780
40.26
9.76
50.02
54.57
-4.55
AVG
0.1980
48.71
9.76
58.47
63.69
-5.22
QP
0.1980
38.57
9.76
48.33
53.69
-5.36
AVG
0.2140
47.82
9.76
57.58
63.04
-5.46
QP
0.2140
35.36
9.76
45.12
53.04
-7.92
AVG
0.2340
46.08
9.76
55.84
62.30
-6.46
QP
0.2340
21.45
9.76
31.21
52.30
-21.09
AVG
3.9140
35.37
9.85
45.22
56.00
-10.78
QP
3.9140
24.81
9.85
34.66
46.00
-11.34
AVG
Remark:
1. All readings are Quasi-Peak and Average values.
2. Factor = Insertion Loss + Cable Loss.
Version.1.2
Page 17 of 54
Report No.: SER180630307004E
EUT:
Temperature:
Pressure:
Test Voltage :
Frequency
PIQS Virtual Touch
Projector
26 ℃
Model Name :
Q1
Relative Humidity:
1010hPa
DC 19V from Adapter
AC 240V/60Hz
Phase :
54%
Test Mode:
Normal Link
Reading Level Correct Factor
Measure-ment
Limits
Margin
Remark
(MHz)
(dBμV)
(dB)
(dBμV)
(dBμV)
(dB)
0.1620
50.42
9.73
60.15
65.36
-5.21
QP
0.1620
38.39
9.73
48.12
55.36
-7.24
AVG
0.1700
48.49
9.73
58.22
64.96
-6.74
QP
0.1700
19.29
9.73
29.02
54.96
-25.94
AVG
0.1900
49.88
9.73
59.61
64.03
-4.42
QP
0.1900
30.60
9.73
40.33
54.03
-13.70
AVG
0.2100
47.90
9.73
57.63
63.20
-5.57
QP
0.2100
31.32
9.73
41.05
53.20
-12.15
AVG
0.2660
43.15
9.74
52.89
61.24
-8.35
QP
0.2660
21.98
9.74
31.72
51.24
-19.52
AVG
3.4380
35.52
9.89
45.41
56.00
-10.59
QP
3.4380
22.83
9.89
32.72
46.00
-13.28
AVG
Remark:
1. All readings are Quasi-Peak and Average values.
2. Factor = Insertion Loss + Cable Loss.
Version.1.2
Page 18 of 54
Report No.: SER180630307004E
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)
Class B (dBuV/m) (at 3M)
Frequency(MHz)
Above 1000
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.
7.2.3
Measuring Instruments
The Measuring equipment is listed in the section 6.3 of this test report.
Version.1.2
Page 19 of 54
Report No.: SER180630307004E
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
Ground Plane
Coaxial Cable
(c) For radiated emissions above 1000MHz
3m
4m
Turntable
EUT
1.5m
1.5m
Amplifie
Version.1.2
Test Receiver
Page 20 of 54
Report No.: SER180630307004E
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 and
frequencies above 1GHz,
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
During the radiated emission test, the Spectrum Analyzer was set with the following configurations:
For peak measurement:
Set RBW=100 kHz for f < 1 GHz; VBW≥RBW; Sweep = auto; Detector function = peak; Trace = max hold;
Set RBW = 1 MHz, VBW= 3MHz for f≥1 GHz
For average measurement:
VBW = 10 Hz, when duty cycle is no less than 98 percent.
VBW ≥ 1/T, when duty cycle is less than 98 percent where T is the minimum transmission duration over
which the transmitter is on and is transmitting at its maximum power control level for the tested mode of
operation.
Version.1.2
Page 21 of 54
Report No.: SER180630307004E
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:
PIQS Virtual Touch Projector Model No.:
Temperature:
20 ℃
Test Mode:
Mode2/Mode3/Mode4/Mode5 Test By:
Relative Humidity:
Q1
48%
Allen Liu
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 22 of 54
Report No.: SER180630307004E

Spurious Emission below 1GHz (30MHz to 1GHz)
All the modulation modes have been tested, and the worst result was report as below:
EUT:
Temperature:
Pressure:
Test Voltage :
Polar
(H/V)
PIQS Virtual Touch
Projector
20 ℃
1010hPa
Model Name :
Q1
Relative Humidity:
Test Mode:
48%
Normal Link
DC 19V from Adapter AC 120V/60Hz
Frequency
Meter
Reading
Factor
Emission
Level
Limits
Margin
(MHz)
(dBuV)
(dB)
(dBuV/m)
(dBuV/m)
(dB)
Remark
37.4164
15.43
15.55
30.98
40.00
67.4381
26.67
6.50
33.17
40.00
153.7384
20.19
12.58
32.77
43.50
297.2241
19.35
15.79
35.14
46.00
396.2412
17.62
19.38
37.00
46.00
595.1326
15.46
23.67
39.13
46.00
Remark:
Absolute Level= ReadingLevel+ Factor, Margin= Absolute Level - Limit
Version.1.2
-9.02
-6.83
-10.73
-10.86
-9.00
-6.87
QP
QP
QP
QP
QP
QP
Page 23 of 54
Report No.: SER180630307004E
Polar
(H/V)
Frequency
Meter
Reading
Factor
Emission
Level
Limits
Margin
(MHz)
(dBuV)
(dB)
(dBuV/m)
(dBuV/m)
(dB)
Remark
67.2022
25.90
6.51
32.41
40.00
121.5485
17.23
13.22
30.45
43.50
148.9625
22.74
12.84
35.58
43.50
202.1005
25.90
10.11
36.01
43.50
478.8455
12.24
21.35
33.59
46.00
672.8444
12.16
25.02
37.18
46.00
Remark:
Absolute Level= ReadingLevel+ Factor, Margin= Absolute Level - Limit
Version.1.2
-7.59
-13.05
-7.92
-7.49
-12.41
-8.82
QP
QP
QP
QP
QP
QP
Page 24 of 54
Report No.: SER180630307004E
 Spurious Emission Above 1GHz (1GHz to 25GHz)
EUT:
PIQS Virtual Touch Projector Model No.:
20 ℃
Temperature:
Relative Humidity:
Q1
48%
Test Mode:
802.11b/g/n20
Test By:
Allen Liu
All the modulation modes have been tested, EUT has two antenna A and B, the worst data is Antenna A,only
shown Antenna A data below:
Frequency
Read
Level
Cable
loss
Antenna
Factor
Preamp
Factor
Emission
Level
Limits
Margin
(MHz)
(dBμV)
(dB)
dB/m
(dB)
(dBμV/m)
(dBμV/m)
(dB)
Remark
Comment
Low Channel (2412 MHz)(802.11n20)--Above 1G
4824.587
63.56
5.21
35.59
44.30
60.06
74.00
-13.94
Pk
Vertical
4824.587
41.77
5.21
35.59
44.30
38.27
54.00
-15.73
AV
Vertical
7237.062
62.81
6.48
36.27
44.60
60.96
74.00
-13.04
Pk
Vertical
7237.062
45.6
6.48
36.27
44.60
43.75
54.00
-10.25
AV
Vertical
4824.492
63.47
5.21
35.55
44.30
59.93
74.00
-14.07
Pk
Horizontal
4824.492
42.99
5.21
35.55
44.30
39.45
54.00
-14.55
AV
Horizontal
7236.583
64.8
6.48
36.27
44.52
63.03
74.00
-10.97
Pk
Horizontal
7236.583
44.92
6.48
36.27
44.52
43.15
54.00
-10.85
Middle Channel (2437 MHz)(802.11n20)--Above 1G
AV
Horizontal
4874.118
59.91
5.21
35.66
44.20
56.58
74.00
-17.42
Pk
Vertical
4874.118
38.77
5.21
35.66
44.20
35.44
54.00
-18.56
AV
Vertical
7321.085
56.99
7.10
36.50
44.43
56.16
74.00
-17.84
Pk
Vertical
7321.085
39.56
7.10
36.50
44.43
38.73
54.00
-15.27
AV
Vertical
4874.101
57.63
5.21
35.66
44.20
54.30
74.00
-19.70
Pk
Horizontal
4874.101
40.43
5.21
35.66
44.20
37.10
54.00
-16.90
AV
Horizontal
7311.351
57.85
7.10
36.50
44.43
57.02
74.00
-16.98
Pk
Horizontal
7311.351
40.53
7.10
36.50
44.43
39.70
54.00
-14.30
High Channel (2462 MHz)(802.11n20)--Above 1G
AV
Horizontal
4925.051
60.56
5.21
35.52
44.21
57.08
74.00
-16.92
Pk
Vertical
4925.051
41.99
5.21
35.52
44.21
38.51
54.00
-15.49
AV
Vertical
7387.109
64
7.10
36.53
44.60
63.03
74.00
-10.97
Pk
Vertical
7387.109
41.81
7.10
36.53
44.60
40.84
54.00
-13.16
AV
Vertical
4924.579
64.67
5.21
35.52
44.21
61.19
74.00
-12.81
Pk
Horizontal
4924.579
43.6
5.21
35.52
44.21
40.12
54.00
-13.88
AV
Horizontal
7328.578
61.7
7.10
36.53
44.60
60.73
74.00
-13.27
Pk
Horizontal
7328.578
42.81
7.10
36.53
44.60
41.84
54.00
-12.16
AV
Horizontal
Note: (1) All Readings are Peak Value (VBW=3MHz) and Peak Value (VBW=10Hz).
(2) Emission Level= Antenna Factor + Cable Loss + Read Level - Preamp Factor
(3) 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.
(4)”802.11n20” mode is the worst mode. When PK value is lower than the Average value limit,
average don't record.
Version.1.2
Page 25 of 54
Report No.: SER180630307004E
 Spurious Emission in Restricted Band 2310MHz -18000MHz
All the modulation modes have been tested, EUT has two antenna A and B, the worst data is Antenna A, only
shown Antenna A data below:
Frequenc
(MHz)
Meter
Reading
(dBμV)
Cable
Loss
(dB)
Antenna
Factor
dB/m
2310.00
2310.00
2310.00
2310.00
2390.00
2390.00
2390.00
2390.00
2483.50
2483.50
2483.50
2483.50
61.66
41.90
59.79
42.79
60.79
42.65
58.89
41.69
60.86
41.98
62.56
40.79
2.97
2.97
2.97
2.97
3.14
3.14
3.14
3.14
3.58
3.58
3.58
3.58
27.80
27.80
27.80
27.80
27.21
27.21
27.21
27.21
27.70
27.70
27.70
27.70
2310.00
2310.00
2310.00
2310.00
2390.00
2390.00
2390.00
2390.00
2483.50
2483.50
2483.50
2483.50
66.41
46.21
68.11
47.32
66.41
47.21
66.55
49.98
67.40
48.32
68.51
49.98
2.97
2.97
2.97
2.97
3.14
3.14
3.14
3.14
3.58
3.58
3.58
3.58
27.80
27.80
27.80
27.80
27.21
27.21
27.21
27.21
27.70
27.70
27.70
27.70
2310.00
2310.00
2310.00
2310.00
2390.00
2390.00
2390.00
2390.00
2483.50
2483.50
2483.50
2483.50
60.65
40.12
62.79
40.79
63.56
42.77
61.79
44.69
60.58
43.87
60.12
42.76
2.97
2.97
2.97
2.97
3.14
3.14
3.14
3.14
3.58
3.58
3.58
3.58
27.80
27.80
27.80
27.80
27.21
27.21
27.21
27.21
27.70
27.70
27.70
27.70
Version.1.2
Preamp Emission
Limits
Factor
Level
(dB)
(dBμV/m) (dBμV/m)
802.11b
43.80
48.63
74
43.80
28.87
54
43.80
46.76
74
43.80
29.76
54
43.80
47.34
74
43.80
29.20
54
43.80
45.44
74
43.80
28.24
54
44.00
48.14
74
44.00
29.26
54
44.00
49.84
74
44.00
28.07
54
802.11g
43.80
53.38
74
43.80
33.18
54
43.80
55.08
74
43.80
34.29
54
43.80
52.96
74
43.80
33.76
54
43.80
53.10
74
43.80
36.53
54
44.00
54.68
74
44.00
35.60
54
44.00
55.79
74
44.00
37.26
54
802.11n20
43.80
47.62
74
43.80
27.09
54
43.80
49.76
74
43.80
27.76
54
43.80
50.11
74
43.80
29.32
54
43.80
48.34
74
43.80
31.24
54
44.00
47.86
74
44.00
31.15
54
44.00
47.40
74
44.00
30.04
54
Margin
Detector
(dB)
Type
-25.38
-25.13
-27.24
-24.24
-26.66
-24.8
-28.56
-25.76
-25.86
-24.74
-24.16
-25.93
Pk
AV
Pk
AV
Pk
AV
Pk
AV
Pk
AV
Pk
AV
Horizontal
Horizontal
Vertical
Vertical
Vertical
Vertical
Horizontal
Horizontal
Vertical
Vertical
Horizontal
Horizontal
-20.62
-20.82
-18.92
-19.71
-21.04
-20.24
-20.9
-17.47
-19.32
-18.4
-18.21
-16.74
Pk
AV
Pk
AV
Pk
AV
Pk
AV
Pk
AV
Pk
AV
Horizontal
Horizontal
Vertical
Vertical
Vertical
Vertical
Horizontal
Horizontal
Vertical
Vertical
Horizontal
Horizontal
-26.38
-26.91
-24.24
-26.24
-23.89
-24.68
-25.66
-22.76
-26.14
-22.85
-26.6
-23.96
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
Page 26 of 54
Report No.: SER180630307004E
Spurious Emission in Restricted Bands 3260MMHz- 18000MHz
All the modulation modes have been tested, EUT has two antenna A and B, the worst data is Antenna A,
only shown Antenna A data as below:
Frequenc Reading
Level
(MHz)
(dBμV)
Cable
Loss
(dB)
Antenna
Factor
dB/m
Preamp
Factor
(dB)
Emission
Limits
Level
(dBμV/m) (dBμV/m)
Margin
Detector
(dB)
Type
Comment
3260
63.54
4.04
29.57
44.70
52.45
74
-21.55
Pk
Vertical
3260
50.4
4.04
29.57
44.70
39.31
54
-14.69
AV
Vertical
3260
64.33
4.04
29.57
44.70
53.24
74
-20.76
Pk
Horizontal
3260
52.43
4.04
29.57
44.70
41.34
54
-12.66
AV
Horizontal
3332
61.87
4.26
29.87
44.40
51.60
74
-22.40
Pk
Vertical
3332
51.96
4.26
29.87
44.40
41.69
54
-12.31
AV
Vertical
3332
60.62
4.26
29.87
44.40
50.35
74
-23.65
Pk
Horizontal
3332
49.53
4.26
29.87
44.40
39.26
54
-14.74
AV
Horizontal
17797
42.23
10.99
43.95
43.50
53.67
74
-20.33
Pk
Vertical
17797
30.33
10.99
43.95
43.50
41.77
54
-12.23
AV
Vertical
17788
44.83
11.81
43.69
44.60
55.73
74
-18.27
Pk
Horizontal
17788
30.92
11.81
43.69
44.60
41.82
54
-12.18
AV
Horizontal
“802.11 n20” mode is the worst mode. When PK value is lower than the Average value limit, average
don't record.
Version.1.2
Page 27 of 54
Report No.: SER180630307004E
7.3 6DB BANDWIDTH
7.3.1
Applicable Standard
According to FCC Part 15.247(a)(2) and KDB 558074 DTS 01 Meas. Guidance v04
7.3.2
Conformance Limit
The minimum permissible 6dB bandwidth is 500 kHz.
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 KDB 558074 DTS 01 Meas. Guidance v04
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 = the frequency band of operation
RBW = 100KHz
VBW  3*RBW
Sweep = auto
Detector function = peak
Trace = max hold
Version.1.2
Page 28 of 54
Report No.: SER180630307004E
7.3.6
Test Results
EUT:
PIQS Virtual Touch Projector Model No.:
Temperature:
20 ℃
Relative Humidity:
Q1
48%
Test Mode:
802.11b/g/n20
Test By:
Allen Liu
Note: A(B) Represent the value of antenna A and B, The worst data is Antenna B, only shown
Antenna B Plot.
Mode
802.11b
802.11g
802.11n20
Version.1.2
Channel
Low
Middle
High
Low
Middle
High
Low
Middle
High
6dB bandwidth(MHz)
Frequency
(MHz)
Antenna A
2412
2437
2462
2412
2437
2462
2412
2437
2462
9.070
9.073
9.065
16.37
16.37
16.37
17.60
17.62
17.60
Antenna B
9.086
9.081
9.080
16.38
16.39
16.39
17.62
17.62
17.61
Limit
(kHz)
Result
500
500
500
500
500
500
500
500
500
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Page 29 of 54
Report No.: SER180630307004E
Test plot
(802.11b) 6dB Bandwidth plot on channel 1
(802.11g) 6dB Bandwidth plot on channel 1
(802.11b) 6dB Bandwidth plot on channel 6
(802.11g) 6dB Bandwidth plot on channel 6
(802.11b) 6dB Bandwidth plot on channel 11
(802.11g) 6dB Bandwidth plot on channel 11
Version.1.2
Page 30 of 54
Report No.: SER180630307004E
Test plot
(802.11n20) 6dB Bandwidth plot on channel 1
(802.11n20) 6dB Bandwidth plot on channel 6
(802.11n20) 6dB Bandwidth plot on channel 11
Version.1.2
Page 31 of 54
Report No.: SER180630307004E
7.4 DUTY CYCLE
7.4.1
Applicable Standard
According to KDB 558074)6)b), issued 06/09/2015
7.4.2
Conformance Limit
No limit requirement.
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 zero-span mode on a spectrum analyzer or EMI receiver if the response time and spacing between bins
on the sweep are sufficient to permit accurate measurements of the on and off times of the transmitted signal.
Set the center frequency of the instrument to the center frequency of the transmission. Set RBW ≥ OBW if
possible; otherwise, set RBW to the largest available value. Set VBW ≥ RBW. Set detector = peak or
average. The zero-span measurement method shall not be used unless both RBW and VBW are > 50/T and
the number of sweep points across duration T exceeds 100. (For example, if VBW and/or RBW are limited to
3 MHz, then the zero-span method of measuring duty cycle shall not be used if T ≤ 16.7 microseconds.)
The transmitter output is connected to the Spectrum Analyzer. We tested accroding to the zero-span
measurement method, 6.0)b) in KDB 558074(issued 06/09/2015)
The largest availble value of RBW is 8 MHz and VBW is 50 MHz. The zero-span method of measuring duty
cycle shall not be used if T ≤ 6.25 microseconds. (50/6.25 = 8)
The zero-span method was used because all measured T data are > 6.25 microseconds and both RBW and
VBW are > 50/T.
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 = Zero Span
RBW = 8MHz(the largest available value)
VBW = 8MHz ( RBW)
Number of points in Sweep >100
Detector function = peak
Trace = Clear write
Measure Ttotal and Ton
Calculate Duty Cycle = Ton / Ttotal
Version.1.2
Page 32 of 54
Report No.: SER180630307004E
7.4.6
Test Results
EUT:
PIQS Virtual Touch Projector Model No.:
Temperature:
20 ℃
Relative Humidity:
Q1
48%
Test Mode:
802.11b/g/n20
Test By:
Allen Liu
Antenna A
Mode
Data
rate
Channel
Ton
Ttotal
Duty Cycle
802.11b
802.11g
802.11n HT20
1Mbps
6Mbps
MCS0
100%
100%
100%
Duty
Cycle
Factor
(dB)
VBW
Setting
10Hz
1KHz
1KHz
Antenna B
Duty
Cycle
VBW
Mode
Channel
Ton
Ttotal
Duty Cycle
Factor
Setting
(dB)
802.11b
1Mbps
100%
10Hz
802.11g
6Mbps
100%
1KHz
802.11n HT20
MCS0
100%
1KHz
Note: All the modulation modes were tested, the data of the worst mode are described in the following table.
Data
rate
Version.1.2
Page 33 of 54
Report No.: SER180630307004E
7.5 MAXIMUM OUTPUT POWER
7.5.1
Applicable Standard
According to FCC Part 15.247(b)(3) and KDB 558074 DTS 01 Meas. Guidance v04
7.5.2
Conformance Limit
The maximum peak conducted output power of the intentional radiator for systems using digital modulation
in the 2400 - 2483.5 MHz bands shall not exceed: 1 Watt (30dBm). If transmitting antenna of directional gain
greater than 6dBi is used, the peak output power from the intentional radiator shall be reduced below the
above stated value by the amount in dB that the directional gain of the antenna exceeds 6 dBi. In case of
point-to-point operation, the limit has to be reduced by 1dB for every 3dB that the directional gain of the
antenna exceeds 6dBi.
7.5.3
Measuring Instruments
The following table is the setting of the power meter.
Power meter parameter
Detector
7.5.4
Test Setup
7.5.5
Test Procedure
Setting
Peak
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.
7.5.6
EUT opration during Test
The EUT was programmed to be in continuously transmitting mode.
Version.1.2
Page 34 of 54
Report No.: SER180630307004E
7.5.7
Test Results
EUT:
PIQS Virtual Touch Projector Model No.:
Temperature:
20 ℃
Relative Humidity:
Q1
48%
Test Mode:
802.11b/g/n20
Test By:
Allen Liu
Note: EUT has two antennas, and different modes support different transmit mode what describe
as Following form:
Mode
Tx/Rx
11b, 11g
1Tx, 1Rx
11n(HT20)
2Tx, 2Rx
Test
Frequency
Power Setting
Channel
(MHz)
Duty Cycle
Factor
(dB)
11
2412
2437
2462
Default
Default
Default
11
2412
2437
2462
Default
Default
Default
11
2412
2437
2462
Default
Default
Default
Version.1.2
Peak Output
Power(dBm)
ANT A
ANT B
802.11b
15.1
12.4
15.4
12.6
15.1
13.0
802.11g
15.1
12.7
15.2
12.9
15.0
13.2
802.11n HT20
15.0
12.5
15.2
12.7
14.9
13.0
Total
(dBm)
LIMIT
(dBm)
Verdict
30
30
30
PASS
PASS
PASS
30
30
30
PASS
PASS
PASS
30
30
30
PASS
PASS
PASS
16.94
17.14
17.06
Page 35 of 54
Report No.: SER180630307004E
7.6 POWER SPECTRAL DENSITY
7.6.1
Applicable Standard
According to FCC Part 15.247(e) and KDB 558074 DTS 01 Meas. Guidance v04
7.6.2
Conformance Limit
The transmitter power spectral density conducted from the transmitter to the antenna shall not be greater
than 8 dBm in any 3 kHz band during any time interval of continuous transmission.
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
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.
a) Set analyzer center frequency to DTS channel center frequency.
b) Set the span to 1.5 times the DTS bandwidth.
c) Set the RBW to: 3 kHz ≤ RBW ≤ 100 kHz.
d) Set the VBW ≥ 3 *RBW.
e) Detector = peak.
f) Sweep time = auto couple.
g) Trace mode = max hold.
h) Allow trace to fully stabilize.
i) Use the peak marker function to determine the maximum amplitude level within the RBW.
j) If measured value exceeds limit, reduce RBW (no less than 3 kHz) and repeat.
Version.1.2
Page 36 of 54
Report No.: SER180630307004E
7.6.6
Test Results
EUT:
PIQS Virtual Touch Projector Model No.:
Temperature:
20 ℃
Relative Humidity:
Q1
48%
Test Mode:
802.11b/g/n20
Test By:
Allen Liu
Note:
A(B) Represent the value of antenna A and B, The worst data is Antenna A, only shown
Antenna A Plot.
EUT has two antennas, and different modes support different transmit mode what describe
as Following form:
Mode
Tx/Rx
11b, 11g
1Tx, 1Rx
11n(HT20)
2Tx, 2Rx
Test
Frequency
Power Setting
Channel
(MHz)
11
2412
2437
2462
Default
Default
Default
11
2412
2437
2462
Default
Default
Default
11
2412
2437
2462
Default
Default
Default
Version.1.2
Duty Cycle Peak Power Density
Factor
(dBm/3KHz)
(dB)
ANT A
ANT B
802.11b
-8.06
-10.54
-6.05
-10.84
-6.26
-10.88
802.11g
-10.63
-13.85
-10.64
-12.15
-10.64
-13.21
802.11n HT20
-10.56
-13.60
-10.20
-13.63
-10.43
-11.77
Total
Verdict
(dBm)
LIMIT
(dBm)
PASS
PASS
PASS
PASS
PASS
PASS
-8.81
-8.57
-8.04
PASS
PASS
PASS
Page 37 of 54
Report No.: SER180630307004E
Test plot
Version.1.2
(802.11b) PSD plot on channel 1
(802.11g) PSD plot on channel 1
(802.11b) PSD plot on channel 6
(802.11g) PSD plot on channel 6
(802.11b) PSD plot on channel 11
(802.11g) PSD plot on channel 11
Page 38 of 54
Report No.: SER180630307004E
Test plot
(802.11n20) PSD plot on channel 1
(802.11n20) PSD plot on channel 6
(802.11n20) PSD plot on channel 11
Version.1.2
Page 39 of 54
Report No.: SER180630307004E
7.7 CONDUCTED BAND EDGE MEASUREMENT
7.7.1
Applicable Standard
According to FCC Part 15.247(d) and KDB 558074 DTS 01 Meas. Guidance v04
7.7.2
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.
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 FCC KDB Publication No. 558074 D01 DTS Meas. Guidance v04.
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.
Set RBW to 100 kHz and VBW of spectrum analyzer to 300 kHz with a convenient frequency span including
100 kHz bandwidth from band edge.
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 40 of 54
Report No.: SER180630307004E
7.7.6
Test Results
EUT:
PIQS Virtual Touch Projector Model No.:
Temperature:
20 ℃
Relative Humidity:
Q1
48%
Test Mode:
802.11b/g/n20
Test By:
Allen Liu
Note: EUT has antenna A and B, The worst data is Antenna A, only shown Antenna A Plot.
Version.1.2
Page 41 of 54
Report No.: SER180630307004E
Test plot For
802.11b: Band Edge-Low Channel
802.11g: Band Edge-Low Channel
802.11b: Band Edge-High Channel
802.11g: Band Edge-High Channel
Version.1.2
Page 42 of 54
Report No.: SER180630307004E
Test plot For
802.11n20: Band Edge-Low Channel
802.11n20: Band Edge-High Channel
Version.1.2
Page 43 of 54
Report No.: SER180630307004E
7.8 SPURIOUS RF CONDUCTED EMISSIONS
7.8.1
Conformance Limit
1. Below -20dB of the highest emission level in operating band.
2. Fall in the restricted bands listed in section 15.205. The maximum permitted average field strength is
listed in section 15.209.
7.8.2
Measuring Instruments
The Measuring equipment is listed in the section 6.3 of this test report.
7.8.3
Test Setup
Please refer to Section 6.1 of this test report.
7.8.4
Test Procedure
The Spurious RF conducted emissions compliance of RF radiated emission should be measured by
following the guidance in ANSI C63.10-2013 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=100kHz and VBW= 300KHz to measure the
peak field strength , and measure frequency range from 9KHz to 26.5GHz.
7.8.5
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.
Note: EUT has antenna A and B, The worst data is Antenna A, only shown Antenna A Plot.
Version.1.2
Page 44 of 54
Report No.: SER180630307004E
Test Plot
Version.1.2
802.11b on channel 01
802.11b on channel 01
802.11b on channel 01
802.11b on channel 01
Page 45 of 54
Report No.: SER180630307004E
Test Plot
Version.1.2
802.11b on channel 06
802.11b on channel 06
802.11b on channel 06
802.11b on channel 06
Page 46 of 54
Report No.: SER180630307004E
Test Plot
Version.1.2
802.11b on channel 11
802.11b on channel 11
802.11b on channel 11
802.11b on channel 11
Page 47 of 54
Report No.: SER180630307004E
Test Plot
Version.1.2
802.11g on channel 01
802.11g on channel 01
802.11g on channel 01
802.11g on channel 01
Page 48 of 54
Report No.: SER180630307004E
Test Plot
Version.1.2
802.11g on channel 06
802.11g on channel 06
802.11g on channel 06
802.11g on channel 06
Page 49 of 54
Report No.: SER180630307004E
Test Plot
Version.1.2
802.11g on channel 11
802.11g on channel 11
802.11g on channel 11
802.11g on channel 11
Page 50 of 54
Report No.: SER180630307004E
Test Plot
Version.1.2
802.11n20 on channel 01
802.11n20 on channel 01
802.11 n20 on channel 01
802.11 n20 on channel 01
Page 51 of 54
Report No.: SER180630307004E
Test Plot
Version.1.2
802.11 n20 on channel 06
802.11 n20 on channel 06
802.11 n20 on channel 06
802.11 n20 on channel 06
Page 52 of 54
Report No.: SER180630307004E
Test Plot
Version.1.2
802.11 n20 on channel 11
802.11 n20 on channel 11
802.11 n20 on channel 11
802.11 n20 on channel 11
Page 53 of 54
Report No.: SER180630307004E
7.9 ANTENNA APPLICATION
7.9.1
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 party shall be used with the device.
7.9.2
Result
The EUT antenna is permanent attached FPCB Antenna (Gain:2dBi). It comply with the standard
requirement.
END OF REPORT
Version.1.2
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Download: PFAQ100 PIQS Virtual Touch Projector Test Report ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT PIQS Technology(Shenzhen)
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Document ID3999960
Application IDv50Vng/W+vNdljdg7iovuw==
Document DescriptionTest report Wifi
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeTest Report
Display FormatAdobe Acrobat PDF - pdf
Filesize353.71kB (4421423 bits)
Date Submitted2018-09-11 00:00:00
Date Available2018-09-11 00:00:00
Creation Date2018-08-25 07:37:01
Producing SoftwareMicrosoft® Office Word 2007
Document Lastmod2018-08-25 07:37:01
Document TitleELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT
Document CreatorMicrosoft® Office Word 2007
Document Author: fly

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Page Count                      : 54
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Title                           : ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT
Author                          : fly
Creator                         : Microsoft® Office Word 2007
Create Date                     : 2018:08:25 07:37:01
Modify Date                     : 2018:08:25 07:37:01
Producer                        : Microsoft® Office Word 2007