CX77 Digital Wireless Monitor Test Report 显示器-FCC ID 15.247_1_ SHENZHEN SUNVEYTECH CO.,LTD

SHENZHEN SUNVEYTECH CO.,LTD Digital Wireless Monitor

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Report No.:HUAK180723585E
FCC TEST REPORT
Test report
On Behalf of
SHENZHEN SUNVEYTECH CO.,LTD
For
Digital Wireless Monitor
Model No.:
CX77,CX27,CX57,CX97,CX107HD,CX207HD,CX307HD,CX507HD,
CX707HD,SC907HD
FCC ID: 2AQNR-CX77
Prepared for :
SHENZHEN SUNVEYTECH CO.,LTD
6/8F, Mantong Building, No. 13, Dafu Road, Guanlan,
Longhua District, ShenzhenChina
Prepared By :
Shenzhen HUAK Testing Technology Co., Ltd.
1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street,
Bao'an District, Shenzhen City, China
Date of Test:
Sep.10, 2018 ~ Sep.20, 2018
Date of Report:
Sep.20, 2018
Report Number:
HUAK180723585E
Report No.:HUAK180723585E
TEST RESULT CERTIFICATION
Applicant’s name ...................: SHENZHEN SUNVEYTECH CO.,LTD
Address.....................................:
6/8F, Mantong Building, No. 13, Dafu Road, Guanlan,
Longhua District, ShenzhenChina
Manufacture's Name..............: SHENZHEN SUNVEYTECH CO.,LTD
Address.....................................:
6/8F, Mantong Building, No. 13, Dafu Road, Guanlan,
Longhua District, ShenzhenChina
Product description
SVTCAM CARMOUR
Trade Mark:
Product name ...........................: Digital Wireless Monitor
Model and/or type reference .:
CX77, CX27,CX57,CX97,CX107HD,CX207HD,CX307HD,
CX507HD,CX707HD,SC907HD
FCC Rules and Regulations Part 15 Subpart C Section 15.247
Standards ................................:
ANSI C63.10: 2013
This publication may be reproduced in whole or in part for non-commercial purposes as long as
the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and
source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for
and will not assume liability for damages resulting from the reader's interpretation of the
reproduced material due to its placement and context.
Date of Test............................................. :
Date (s) of performance of tests ............. :
Sep.10, 2018 ~ Sep.20, 2018
Date of Issue ........................................... :
Sep.20, 2018
Test Result ............................................... :
Pass
Testing Engineer
(Gary Qian)
Technical Manager
(Eden Hu)
Authorized Signatory :
(Jason Zhou)
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Report No.:HUAK180723585E
TABLE OF CONTENTS
1. Test Result Summary ................................................................................. 4
1.1. TEST PROCEDURES AND RESULTS ........................................................................................... 4
1.2. TEST FACILITY ............................................................................................................................. 4
1.3. MEASUREMENT UNCERTAINTY ........................................................................................................... 5
2. EUT Description .......................................................................................... 6
2.1. GENERAL DESCRIPTION OF EUT ................................................................................................ 6
2.2. CARRIER FREQUENCY OF CHANNELS ................................................................................................. 7
2.3. OPERATION OF EUT DURING TESTING ................................................................................................. 7
2.4. DESCRIPTION OF TEST SETUP ................................................................................................... 7
3. Genera Information ..................................................................................... 8
3.1. TEST ENVIRONMENT AND MODE .......................................................................................................... 8
3.2. DESCRIPTION OF SUPPORT UNITS ...................................................................................................... 9
4. Test Results and Measurement Data ...................................................... 10
4.1. CONDUCTED EMISSION .................................................................................................................... 10
4.2. MAXIMUM CONDUCTED OUTPUT POWER ........................................................................................... 12
4.3. EMISSION B ANDWIDTH .................................................................................................................... 14
4.4. POWER SPECTRAL DENSITY ............................................................................................................ 20
4.5. CONDUCTED BAND EDGE AND SPURIOUS E MISSION MEASUREMENT ................................................... 30
4.6. RADIATED SPURIOUS EMISSION MEASUREMENT ................................................................................ 36
4.7. ANTENNA REQUIREMENT ......................................................................................................... 62
4.8. PHOTOGRAPH OF TEST ............................................................................................................ 63
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Report No.:HUAK180723585E
1. Test Result Summary
1.1. TEST PROCEDURES AND RESULTS
Requirement
CFR 47 Section
Result
Antenna requirement
§15.203/§15.247 (c)
PASS
AC Power Line Conducted
Emission
§15.207
N/A
Conducted Peak Output
Power
§15.247 (b)(3)
§2.1046
§15.247 (a)(2)
6dB Emission Bandwidth
§2.1049
§15.247 (e)
Power Spectral Density
1§5.247(d)
Band Edge
§2.1051, §2.1057
SpuriousEmission
§15.205/§15.209
§2.1053, §2.1057
PASS
PASS
PASS
PASS
PASS
Note:
1. PASS: Test item meets the requirement.
2. Fail: Test item does not meet the requirement.
3. N/A: Test case does not apply to the test object.
4. The test result judgment is decided by the limit of test standard.
1.2. TEST FACILITY
Test Firm
Address
: Shenzhen HUAK Testing Technology Co., Ltd.
1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai
Street, Bao'an District, Shenzhen City, China
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Report No.:HUAK180723585E
1.3. 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
MU
Conducted Emission
±2.56dB
RF power, conducted
±0.12dB
Spurious emissions, conducted
±0.11dB
All emissions, radiated(<1G)
±3.92dB
All emissions, radiated(>1G)
±4.28dB
Temperature
±0.1°C
Humidity
±1.0%
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Report No.:HUAK180723585E
2. EUT Description
2.1. GENERAL DESCRIPTION OF EUT
Equipment
Digital Wireless Monitor
Model Name
CX77
Serial No.
CX27,CX57,CX97,CX107HD,CX207HD,CX307HD,
CX507HD,CX707HD,SC907HD
Model Difference
The model name of the sample is different, and all the
others are the same
Trade Mark
SVTCAM CARMOUR
FCC ID
2AQNR-CX77
Antenna Type
External Antenna
Antenna Gain
2dBi
Operation frequency
802.11b/g/n 20:2412~2462 MHz
802.11n 40: 2422~2452MHz
Number of Channels
802.11b/g/n20: 11CH
802.11n 40: 7CH
Modulation Type
CCK/OFDM/DBPSK/DAPSK
PowerSource
DC12V
Power Rating
DC12V
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Report No.:HUAK180723585E
2.2. Carrier Frequency of Channels
Channel List for 802.11b/802.11g/802.11n (HT20)
Channel
Frequency
(MHz)
Channel
Frequency
(MHz)
Channel
Frequency
(MHz)
01
02
03
2412
2417
2422
04
05
06
2427
2432
2437
07
08
09
2442
2447
2452
Channel
Frequency
(MHz)
---
---
03
2422
Channel
Frequency
(MHz)
10
11
2457
2462
Channel
Frequency
(MHz)
---
---
Channel List For 802.11n(HT40)
Channel
Frequency
(MHz)
Channel
Frequency
(MHz)
04
05
06
2427
2432
2437
07
08
09
2442
2447
2452
Note:
In section 15.31(m), regards to the operating frequency range over 10 MHz, the Lowest frequency, the middle
frequency, and the highest frequency of channel were selected to perform the test, and the selected channel see
below:
2.3. Operation of EUT during testing
Operating Mode
The mode is used: Transmitting mode for 802.11b/802.11g/802.11n (HT20)
Low Channel: 2412MHz
Middle Channel: 2437MHz
High Channel: 2462MHz
The mode is used: Transmitting mode for 802.11n (HT40)
Low Channel: 2422MHz
Middle Channel: 2437MHz
High Channel: 2452MHz
2.4. DESCRIPTION OF TEST SETUP
Operation of EUT during Radiation and Above1GHz Radiationtesting:
DC Power
EUT
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Report No.:HUAK180723585E
3. Genera Information
3.1. Test environment and mode
Operating Environment:
Temperature:
25.0 °C
Humidity:
56 % RH
Atmospheric Pressure:
1010 mbar
Test Mode:
Engineering mode:
Keep the EUT in continuous transmitting
by select channel and modulations(The
value of duty cycle is 98.46%)
The sample was placed (0.8m below 1GHz, 1.5m above 1GHz)above the ground
plane of 3m chamber. Measurements in both horizontal and vertical polarities were
performed. During the test, each emission was maximized by: having the EUT
continuously working, investigated all operating modes, rotated about all 3 axis (X, Y &
Z) and considered typical configuration to obtain worst position, manipulating
interconnecting cables, rotating the turntable, varying antenna height from 1m to 4m in
both horizontal and vertical polarizations. The emissions worst-case are shown in Test
Results of the following pages.For the full battery state and The output power to the
maximum state.
We have verified the construction and function in typical operation. All the test modes
were carried out with the EUT in transmitting operation, which was shown in this test
report and defined as follows:
Per-scan all kind of data rate in lowest channel, and found the follow list which it
was worst case.
Mode
Data rate
802.11b
1Mbps
802.11g
6Mbps
802.11n(H20)
6.5Mbps
802.11n(H40)
13.5Mbps
Final Test Mode:
Operation mode:
Keep the EUT in continuous transmitting
with modulation
1. For WIFI function, the engineering test program was provided and enabled to make
EUT continuous transmit/receive.
2.According to ANSI C63.10 standards, the test results are both the “worst case” and
“worst setup” 1Mbps for 802.11b, 6Mbps for 802.11g, 6.5Mbps for
802.11n(H20),13.5Mbps for 802.11(H40).Duty cycle setting during the transmission is
98.5% with maximum power setting for all modulations.
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Report No.:HUAK180723585E
3.2. Description of Support Units
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.
Equipment
Model No.
Serial No.
FCC ID
Trade Name
Note:
1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test.
2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended
use.
3. For conducted measurements (Output Power, 6dB Emission Bandwidth, Power Spectral Density, Spurious
Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the
antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the
Test Instruments.
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Report No.:HUAK180723585E
4.
Test Results and Measurement Data
4.1. Conducted Emission
Test Specification
Test Requirement:
FCC Part15 C Section 15.207
Test Method:
ANSI C63.10:2013
Frequency Range:
150 kHz to 30 MHz
Receiver setup:
RBW=9 kHz, VBW=30 kHz, Sweep time=auto
Limits:
Frequency range
(MHz)
0.15-0.5
0.5-5
5-30
Limit (dBuV)
Quasi-peak
Average
66 to 56*
56 to 46*
56
46
60
50
Test Setup:
Test Mode:
Charging + transmitting with modulation
Test Procedure:
1. The E.U.T is connected to the main power through a
line impedance stabilization network (L.I.S.N.). This
provides a 50ohm/50uH coupling impedance for the
measuring equipment.
2. The peripheral devices are also connected to the main
power through a LISN that provides a 50ohm/50uH
coupling impedance with 50ohm termination. (Please
refer to the block diagram of the test setup and
photographs).
3. Both sides of A.C. line are checked for maximum
conducted interference. In order to find the maximum
emission, the relative positions of equipment and all of
the interface cables must be changed according to
ANSI C63.10: 2013 on conducted measurement.
Test Result:
PASS
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Report No.:HUAK180723585E
Test Instruments
Conducted Emission Shielding Room Test Site (843)
Equipment
Manufacturer
Model
Serial Number Calibration Due
Receiver
R&S
ESCI 7
HKE-010
Sep. 27, 2018
LISN
R&S
ENV216
HKE-002
Sep. 27, 2018
Conducted test
software
Tonscend
TS+ Rev
2.5.0.0
HKE-081
N/A
Note: The calibration interval of the above test instruments is 12 months and the calibrations are traceable to
international system unit (SI).
Test Result
Not applicable for device which is DC Power supply.
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Report No.:HUAK180723585E
4.2. Maximum ConductedOutput Power
Test Specification
Test Requirement:
FCC Part15 C Section 15.247 (b)(3)
Test Method:
KDB 558074
Limit:
30dBm
Test Setup:
Test Mode:
Transmitting mode with modulation
Test Procedure:
1. The testing follows the Measurement Procedure of
FCC KDB No. 558074 DTS D01 Meas. Guidance
v04.
2. The RF output of EUT was connected to the power
meter by RF cable and attenuator. The path loss was
compensated to the results for each measurement.
3. Set to the maximum power setting and enable the
EUT transmit continuously.
4. Measure the Peak output power and record the results
in the test report.
Test Result:
PASS
Test Instruments
RF Test Room
Equipment
Manufacturer
Model
Serial Number Calibration Due
Power meter
Agilent
E4417B
HKE-107
Sep. 27, 2018
Power Sensor
Agilent
E9327A
HKE-113
Sep. 27, 2018
RF cable
Times
1-40G
HKE-034
Sep. 27, 2018
RF automatic
control unit
Tonscend
JS0806-2
HKE-060
Sep. 27, 2018
Note: The calibration interval of the above test instruments is 12 months and the calibrations are traceable to
international system unit (SI).
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Report No.:HUAK180723585E
Test Data
TX 802.11b Mode
Frequency
Maximum Peak Conducted Output Power
LIMIT
(MHz)
(dBm)
dBm
CH01
2412
12.31
30
CH06
2437
11.95
30
CH11
2462
11.36
30
Test
Channe
TX 802.11g Mode
CH01
2412
11.78
30
CH06
2437
11.35
30
CH11
2462
10.86
30
TX 802.11n20 Mode
CH01
2412
11.26
30
CH06
2437
11.09
30
CH11
2462
10.62
30
TX 802.11n40 Mode
CH03
2422
10.92
30
CH06
2437
10.46
30
CH09
2452
10.12
30
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Report No.:HUAK180723585E
4.3. Emission Bandwidth
Test Specification
Test Requirement:
FCC Part15 C Section 15.247 (a)(2)
Test Method:
KDB 558074
Limit:
>500kHz
Test Setup:
Test Mode:
Transmitting mode with modulation
Test Procedure:
1. The testing follows FCC KDB Publication No. 558074
DTS D01 Meas. Guidance v04.
2. Set to the maximum power setting and enable the
EUT transmit continuously.
3. Make the measurement with the spectrum analyzer's
resolution bandwidth (RBW) = 100 kHz. Set the
Video bandwidth (VBW) = 300 kHz. In order to make
an accurate measurement. The 6dB bandwidth must
be greater than 500 kHz.
4. Measure and record the results in the test report.
Test Result:
PASS
Test Instruments
RF Test Room
Equipment
Manufacturer
Model
Spectrum analyzer
Agilent
N9020A
HKE-048
Sep. 27, 2018
Tonscend
170660
N/A
Sep. 27, 2018
Tonscend
JS0806-2
HKE-060
Sep. 27, 2018
RF Cable
(9KHz-26.5GHz)
RF automatic
control unit
Serial Number Calibration Due
Note: The calibration interval of the above test instruments is 12 months and the calibrations are traceable to
international system unit (SI).
Page 14 of 70
Report No.:HUAK180723585E
Test data
Test channel
6dB Emission Bandwidth (MHz)
802.11b
802.11g
802.11n(H20)
802.11n(H40)
Lowest
10.11
16.36
16.87
35.42
Middle
10.08
16.37
16.98
35.44
Highest
10.13
16.36
17.22
35.40
Limit:
>500k
Test Result:
PASS
Test plots as follows:
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Report No.:HUAK180723585E
802.11b Modulation
Lowest channel
Middle channel
Highest channel
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Report No.:HUAK180723585E
802.11g Modulation
Lowest channel
Middle channel
Highest channel
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Report No.:HUAK180723585E
802.11n (HT20) Modulation
Lowest channel
Middle channel
Highest channel
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Report No.:HUAK180723585E
802.11n (HT40) Modulation
Lowest channel
Middle channel
Highest channel
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Report No.:HUAK180723585E
4.4. Power Spectral Density
Test Specification
Test Requirement:
FCC Part15 C Section 15.247 (e)
Test Method:
KDB 558074
Limit:
The average power spectral density shall not be greater
than 8dBm in any 3kHz band at any time intervalof
continuous transmission.
Test Setup:
Test Mode:
Transmitting mode with modulation
Test Procedure:
1. The testing follows Measurement Procedure 10.3
Method AVGPSD of FCC KDB Publication
No.558074 D01 DTS Meas. Guidance v04
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.
3. Set to the maximum power setting and enable the
EUT transmit continuously.
4. Make the measurement with the spectrum analyzer's
resolution bandwidth (RBW): 3 kHz ≤ RBW ≤ 100
kHz. Video bandwidth VBW ≥ 3 x RBW. Set the span
to at least 1.5 times the OBW.
5. Detector = RMS, Sweep time = auto couple.
6. Employ trace averaging (RMS) mode over a minimum
of 100 traces.Use the peak marker function to
determine the maximum power level.
6. Measure and record the results in the test report.
Test Result:
PASS
Test Instruments
RF Test Room
Equipment
Manufacturer
Model
Spectrum analyzer
Agilent
N9020A
HKE-048
Sep. 27, 2018
Tonscend
170660
N/A
Sep. 27, 2018
Tonscend
JS0806-2
HKE-060
Sep. 27, 2018
RF Cable
(9KHz-26.5GHz)
RF automatic
control unit
Serial Number Calibration Due
Note: The calibration interval of the above test instruments is 12 months and the calibrations are traceable to
international system unit (SI).
Page 20 of 70
Report No.:HUAK180723585E
Test data
Test channel
Power Spectral Density (dBm/30kHz)
802.11b
802.11g
802.11n(H20)
802.11n(H40)
Lowest
-6.45
-13.25
-14.18
-15.74
Middle
-7.65
-14.1
-13.67
-15.42
Highest
-7.83
-13.65
-13.61
-15.68
Limit:
18dBm/30kHz
Test Result:
PASS
Test plots as follows:
Page 21 of 70
Report No.:HUAK180723585E
802.11b Modulation
Lowest channel
Middle channel
Highest channel
Page 22 of 70
Report No.:HUAK180723585E
Page 23 of 70
Report No.:HUAK180723585E
802.11g Modulation
Lowest channel
Middle channel
Highest channel
Page 24 of 70
Report No.:HUAK180723585E
Page 25 of 70
Report No.:HUAK180723585E
802.11n (HT20) Modulation
Lowest channel
Middle channel
Highest channel
Page 26 of 70
Report No.:HUAK180723585E
Page 27 of 70
Report No.:HUAK180723585E
802.11n (HT40) Modulation
Lowest channel
Middle channel
Highest channel
Page 28 of 70
Report No.:HUAK180723585E
Page 29 of 70
Report No.:HUAK180723585E
4.5. Conducted Band Edge and Spurious Emission Measurement
Test Specification
Test Requirement:
FCC Part15 C Section 15.247 (d)
Test Method:
KDB558074
Limit:
In any 100 kHz bandwidth outside of the authorized
frequency band, the emissions which fall in
thenon-restricted bands shall be attenuated at least 20
dB / 30dB relative to the maximum PSD level in100 kHz
by RF conducted measurement and radiated emissions
which fall in the restricted bands, asdefined in Section
15.205(a), must also comply with the radiated emission
limits specified in Section15.209(a).
Test Setup:
Test Mode:
Transmitting mode with modulation
Test Procedure:
1. The testing follows FCC KDB Publication No. 558074
D01 DTS Meas. Guidance v04.
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.
3. Set to the maximum power setting and enable the
EUT transmit continuously.
4. Set RBW = 100 kHz, VBW=300 kHz, Peak Detector.
Unwanted Emissions measured in any 100 kHz
bandwidth outside of the authorized frequency band
shall be attenuated by at least 20 dB relative to the
maximum in-band peak PSD level in 100 kHz when
maximum peak conducted output power procedure is
used. If the transmitter complies with the conducted
power limits based on the use of RMS averaging over
a time interval, the attenuation required under this
paragraph shall be 30 dB instead of 20 dB per
15.247(d).
5. Measure and record the results in the test report.
6. The RF fundamental frequency should be excluded
against the limit line in the operating frequency band.
Test Result:
PASS
Page 30 of 70
Report No.:HUAK180723585E
Test Instruments
RF Test Room
Equipment
Manufacturer
Model
Spectrum analyzer
Agilent
N9020A
HKE-048
Sep. 27, 2018
Signal generator
Agilent
N5183A
HKE-071
Sep. 27, 2018
Tonscend
170660
N/A
Sep. 27, 2018
Tonscend
JS0806-2
HKE-060
Sep. 27, 2018
RF Cable
(9KHz-26.5GHz)
RF automatic
control unit
Serial Number Calibration Due
Note: The calibration interval of the above test instruments is 12 months and the calibrations are traceable to
international system unit (SI).
Page 31 of 70
Report No.:HUAK180723585E
Test Data
802.11b Modulation
Lowest Channel
Band Edge
Highest Channel
Band Edge
Spurious emission
Spurious emission
Page 32 of 70
Report No.:HUAK180723585E
802.11g Modulation
Lowest Channel
Band Edge
Highest Channel
Band Edge
Spurious emission
Spurious emission
Page 33 of 70
Report No.:HUAK180723585E
802.11n (HT20) Modulation
Lowest Channel
Band Edge
Highest Channel
Band Edge
Spurious emission
Spurious emission
Page 34 of 70
Report No.:HUAK180723585E
802.11n (HT40) Modulation
Lowest Channel
Band Edge
Highest Channel
Band Edge
Spurious emission
Spurious emission
Page 35 of 70
Report No.:HUAK180723585E
4.6. Radiated Spurious Emission Measurement
Test Specification
Test Requirement:
FCC Part15 C Section 15.209
Test Method:
ANSI C63.10: 2013
Frequency Range:
9 kHz to 25 GHz
Measurement Distance:
3m
Antenna Polarization:
Horizontal & Vertical
Operation mode:
Transmitting mode with modulation
Receiver Setup:
Frequency
9kHz- 150kHz
150kHz30MHz
30MHz-1GHz
Above 1GHz
Detector
Quasi-peak
Quasi-peak
RBW
200Hz
9kHz
VBW
1kHz
30kHz
Remark
Quasi-peak Value
Quasi-peak Value
Quasi-peak
Peak
Peak
100KHz
1MHz
1MHz
300KHz
3MHz
10Hz
Quasi-peak Value
Peak Value
Average Value
Frequency
Limit:
0.009-0.490
0.490-1.705
1.705-30
30-88
88-216
216-960
Above 960
Field Strength
(microvolts/meter)
2400/F(KHz)
24000/F(KHz)
30
100
150
200
500
Frequency
Field Strength
(microvolts/meter)
Above 1GHz
500
5000
Measurement
Distance (meters)
300
30
30
Measurement
Distance
(meters)
Detector
Average
Peak
For radiated emissions below 30MHz
Test setup:
30MHz to 1GHz
Page 36 of 70
Report No.:HUAK180723585E
Above 1GHz
Test Procedure:
1. For the radiated emission test below 1GHz:
The EUT was placed on a turntable with 0.8 meter
above ground. The EUT was set 3 meters from the
interference receiving antenna, which was mounted
on thetop of a variable height antenna tower.The
EUT was arranged to its worst case and then tune
the antenna tower (from 1 m to 4 m) andturntable
(from 0 degree to 360 degrees) to find the maximum
reading. A pre-amp and a highPASS filter are used
for the test in order to get better signal level.
For the radiated emission test above 1GHz:
Place the measurement antenna on a turntable with
1.5 meter above ground, which is away from each
area of the EUT determined to be a source of
emissionsat the specified measurement distance,
while keeping the measurement antenna aimed at
the source ofemissions 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 radiationpattern of the emission and staying
aimed at the emission source for receiving the
maximum signal. Thefinalmeasurementantenna
elevation shall be that which maximizes the
Page 37 of 70
Report No.:HUAK180723585E
Test results:
emissions. The measurementantenna elevation for
maximum emissions shall be restricted to a range of
heights of from 1 m to 4 mabove the ground or
reference ground plane.
3. Corrected Reading: Antenna Factor + Cable Loss +
Read Level - Preamp Factor = Level
4. For measurement below 1GHz, If the emission level
of the EUT measured by the peak detectoris 3 dB
lower than the applicable limit, the peak emission
level will be reported. Otherwise, theemission
measurement will be repeated using the quasi-peak
detector and reported.
5. Use the following spectrum analyzer settings:
(1) Span shall wide enough to fully capture the
emission being measured;
(2) Set RBW=100 kHz for f < 1 GHz; VBW ≥RBW;
Sweep = auto; Detector function = peak;Trace =
max hold;
(3) Set RBW = 1 MHz, VBW= 3MHz for f
1 GHz
for peak measurement.
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
minimumtransmission duration over which the
transmitter is on and is transmitting at its
maximumpower control level for the tested mode of
operation.
PASS
Page 38 of 70
Report No.:HUAK180723585E
Test Instruments
Radiated Emission Test Site (966)
Name of
Equipment
Manufacturer
Model
Serial
Number
Calibration Due
Receiver
R&S
ESCI-7
HKE-010
Sep. 27, 2018
Spectrum analyzer
Agilent
N9020A
HKE-048
Sep. 27, 2018
Preamplifier
EMCI
EMC051845
SE
HKE-015
Sep. 27, 2018
Preamplifier
Agilent
83051A
HKE-016
Sep. 27, 2018
Loop antenna
Schwarzbeck
FMZB 1519
HKE-014
Sep. 26, 2019
Broadband antenna
Schwarzbeck
VULB 9163
HKE-012
Sep. 26, 2019
Horn antenna
Schwarzbeck
9120D
HKE-013
Sep. 26, 2019
Antenna Mast
Keleto
CC-A-4M
N/A
N/A
Position controller
Taiwan MF
MF7802
HKE-011
Sep. 27, 2018
Radiated test
software
Tonscend
TS+ Rev
2.5.0.0
HKE-082
N/A
RF cable
(9KHz-1GHz)
Times
381806-001
N/A
N/A
RF cable
Times
1-40G
HKE-034
Sep. 27, 2018
Note: The calibration interval of the above test instruments is 12 months and the calibrations are traceable to
international system unit (SI).
Page 39 of 70
Report No.:HUAK180723585E
Test Data
Please refer to following diagram for individual
Below 1GHz
EUT:
Digital Wireless Monitor
Model Name :
CX77
Temperature:
25 ℃
Relative Humidity:
48%
Pressure:
1010 hPa
Test Voltage :
DC 12V
Test Mode :
802.11b 2412
Polarization :
Horizontal
Note:test perform on all test mode, the worst mode and has been reported.
Remark: Transd = Cable lose + Antenna factor - Pre-amplifier; Margin = Limit – Level
Page 40 of 70
Report No.:HUAK180723585E
EUT:
Digital Wireless Monitor
Model Name :
CX77
Temperature:
25 ℃
Relative Humidity:
48%
Pressure:
1010 hPa
Test Voltage :
DC 12V
Test Mode :
802.11b 2412
Polarization :
Vertical
Note:test perform on all test mode, the worst mode and has been reported.
Remark: Transd = Cable lose + Antenna factor - Pre-amplifier; Margin = Limit – Level
Page 41 of 70
Report No.:HUAK180723585E
Above 1GHz
RADIATED EMISSION TEST
LOW CH1 (802.11b Mode)/2412
Horizontal:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4824
63.59
-3.64
58.74
74
-15.26
peak
4824
47.24
-3.64
41.68
54
-12.32
AVG
7236
56.65
-0.95
59.73
74
-14.27
peak
7236
42.48
-0.95
42.16
54
-11.84
AVG
Detector
Type
Detector
Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4824
62.95
-3.64
61.22
74
-12.78
peak
4824
47.02
-3.64
40.38
54
-13.62
AVG
7236
56.38
-0.95
59.61
74
-14.39
peak
7236
42.16
-0.95
41.37
54
-12.63
AVG
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Page 42 of 70
Report No.:HUAK180723585E
MID CH6 (802.11b Mode)/2437
Horizontal:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4874
62.61
-3.51
58.91
74
-15.09
peak
4874
46.46
-3.51
40.19
54
-13.81
AVG
7311
56.35
-0.82
56.37
74
-17.63
peak
7311
41.67
-0.82
41.32
54
-12.68
AVG
Detector
Type
Detector
Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4874
62.34
-3.51
56.74
74
-17.26
peak
4874
46.25
-3.51
41.93
54
-12.07
AVG
7311
56.11
-0.82
57.81
74
-16.19
peak
7311
41.47
-0.82
41.32
54
-12.68
AVG
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Page 43 of 70
Report No.:HUAK180723585E
HIGH CH11 (802.11b Mode)/2462
Horizontal:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4924
61.85
-3.43
57.28
74
-16.72
peak
4924
46.03
-3.43
41.61
54
-12.39
AVG
7386
55.72
-0.75
51.97
74
-22.03
peak
7386
40.89
-0.75
39.86
54
-14.14
AVG
Detector
Type
Detector
Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4924
61.34
-3.43
58.15
74
-15.85
peak
4924
45.68
-3.43
43.66
54
-10.34
AVG
7386
55.45
-0.75
55.92
74
-18.08
peak
7386
40.21
-0.75
40.16
54
-13.84
AVG
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Remark:
(1) Measuring frequencies from 1 GHz to the 25 GHz。
(2) “F” denotes fundamental frequency; “H” denotes spurious frequency. “E” denotes bandedge
frequency.
(3) * denotes emission frequency which appearing within the Restricted Bands specified inprovision of
15.205, then the general radiated emission limits in 15.209 apply.
(4) Data of measurement within this frequency range shown “--- ” in the table above meansthe reading of
emissions are attenuated more than 20dB below the permissible limits orthe field strength is too small to
be measured.
(5) The IF bandwidth of EMI Test Receiver between 30MHz to 1GHz was 120KHz, 1 MHzfor measuring
above 1 GHz, below 30MHz was 10KHz.
(6) When the test results of Peak Detected below the limits of Average Detected, theAverage Detected is
not need completed. For example: Top Channel at Fundamental73.16dBuV/m(PK Value) <93.98(AV
Limit), at harmonic 53.20 dBuV/m(PK Value) <54dBuV/m(AV Limit), the Average Detected not need to
completed.
Page 44 of 70
Report No.:HUAK180723585E
LOW CH1 (802.11g Mode)/2412
Horizontal:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
Detector
Type
4824
62.69
-3.64
58.43
74
-15.57
peak
4824
46.85
-3.64
41.58
54
-12.42
AVG
7236
56.72
-0.95
57.42
74
-16.58
peak
7236
42.64
-0.95
40.95
54
-13.05
AVG
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
Detector
Type
4824
62.36
-3.64
56.14
74
-17.86
peak
4824
46.42
-3.64
41.37
54
-12.63
AVG
7236
56.57
-0.95
57.93
74
-16.07
peak
7236
42.19
-0.95
40.15
54
-13.85
AVG
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Page 45 of 70
Report No.:HUAK180723585E
MID CH6 (802.11g Mode)/2437
Horizontal:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
Detector
Type
4874
62.12
-3.51
56.16
74
-17.84
peak
4874
46.18
-3.51
43.18
54
-10.82
AVG
7311
56.32
-0.82
57.81
74
-16.19
peak
7311
41.75
-0.82
42.13
54
-11.87
AVG
Detector
Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4874
61.73
-3.51
59.43
74
-14.57
peak
4874
45.86
-3.51
41.87
54
-12.13
AVG
7311
55.14
-0.82
58.34
74
-15.66
peak
7311
41.52
-0.82
41.22
54
-12.78
AVG
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Page 46 of 70
Report No.:HUAK180723585E
HIGH CH11 (802.11g Mode)/2462
Horizontal:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4924
61.53
-3.43
59.79
74
-14.21
peak
4924
45.79
-3.43
39.66
54
-14.34
AVG
7386
56.14
-0.75
57.49
74
-16.51
peak
7386
41.32
-0.75
41.23
54
-12.77
AVG
Detector
Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
Detector
Type
4924
60.98
-3.43
58.17
74
-15.83
peak
4924
45.41
-3.43
40.35
54
-13.65
AVG
7386
55.64
-0.75
59.49
74
-14.51
peak
7386
40.58
-0.75
41.34
54
-12.66
AVG
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Remark:
(1) Measuring frequencies from 1 GHz to the 25 GHz。
(2) “F” denotes fundamental frequency; “H” denotes spurious frequency. “E” denotes bandedge
frequency.
(3) * denotes emission frequency which appearing within the Restricted Bands specified inprovision of
15.205, then the general radiated emission limits in 15.209 apply.
(4) Data of measurement within this frequency range shown “--- ” in the table above meansthe reading of
emissions are attenuated more than 20dB below the permissible limits orthe field strength is too small to
be measured.
(5) The IF bandwidth of EMI Test Receiver between 30MHz to 1GHz was 120KHz, 1 MHzfor measuring
above 1 GHz, below 30MHz was 10KHz.
(6) When the test results of Peak Detected below the limits of Average Detected, theAverage Detected is
not need completed. For example: Top Channel at Fundamental73.16dBuV/m(PK Value) <93.98(AV
Limit), at harmonic 53.20 dBuV/m(PK Value) <54dBuV/m(AV Limit), the Average Detected not need to
completed.
Page 47 of 70
Report No.:HUAK180723585E
LOW CH1 (802.11n/H20 Mode)/2412
Horizontal:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4824
62.71
-3.64
60.12
74
-13.88
peak
4824
46.75
-3.64
40.31
54
-13.69
AVG
7236
56.69
-0.95
59.87
74
-14.13
peak
7236
42.52
-0.95
41.08
54
-12.92
AVG
Detector
Type
Detector
Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4824
62.34
-3.64
56.31
74
-17.69
peak
4824
46.28
-3.64
39.72
54
-14.28
AVG
7236
56.45
-0.95
56.94
74
-17.06
peak
7236
42.19
-0.95
41.56
54
-12.44
AVG
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Page 48 of 70
Report No.:HUAK180723585E
MID CH6 (802.11n/H20 Mode)/2437
Horizontal:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
Detector
Type
4874.00
62.02
-3.51
61.25
74.00
-12.75
peak
4874.00
46.18
-3.51
43.57
54.00
-10.43
AVG
7311.00
56.24
-0.82
60.81
74.00
-13.19
peak
7311.00
41.85
-0.82
42.10
54.00
-11.90
AVG
Detector
Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4874.00
61.83
-3.51
59.19
74.00
-14.81
peak
4874.00
45.76
-3.51
39.87
54.00
-14.13
AVG
7311.00
55.69
-0.82
56.94
74.00
-17.06
peak
7311.00
41.42
-0.82
37.66
54.00
-16.34
AVG
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Page 49 of 70
Report No.:HUAK180723585E
HIGH CH11 (802.11n/H20 Mode)/2462
Horizontal:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4924
61.55
-3.43
58.46
74
-15.54
peak
4924
45.42
-3.43
36.75
54
-17.25
AVG
7386
55.47
-0.75
56.85
74
-17.15
peak
7386
41.08
-0.75
39.58
54
-14.42
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4924
61.21
-3.43
60.66
74
-13.34
peak
4924
45.09
-3.43
42.46
54
-11.54
AVG
7386
55.32
-0.75
56.55
74
-17.45
peak
7386
40.78
-0.75
41.97
54
-12.03
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Page 50 of 70
Report No.:HUAK180723585E
LOW CH3 (802.11n/H40 Mode)/2422
Horizontal:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4844
62.84
-3.63
60.41
74
-13.59
peak
4844
46.73
-3.63
41.98
54
-12.02
AVG
7266
57.18
-0.94
58.54
74
-15.46
peak
7266
42.86
-0.94
40.35
54
-13.65
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4844
62.46
-3.63
59.71
74
-14.29
peak
4844
46.27
-3.63
40.39
54
-13.61
AVG
7266
56.85
-0.94
56.84
74
-17.16
peak
7266
42.61
-0.94
42.37
54
-11.63
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Page 51 of 70
Report No.:HUAK180723585E
MID CH6 (802.11n/H40 Mode)/2437
Horizontal:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4874
61.99
-3.51
56.49
74
-17.51
peak
4874
46.03
-3.51
38.42
54
-15.58
AVG
7311
56.57
-0.82
52.94
74
-21.06
peak
7311
42.25
-0.82
37.84
54
-16.16
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4874
61.46
-3.51
55.84
74
-18.16
peak
4874
45.82
-3.51
38.05
54
-15.95
AVG
7311
56.31
-0.82
58.64
74
-15.36
peak
7311
41.87
-0.82
40.52
54
-13.48
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Page 52 of 70
Report No.:HUAK180723585E
HIGH CH9 (802.11n/H40 Mode)/2452
Horizontal:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4904
60.83
-3.43
56.15
74
-17.85
peak
4904
45.46
-3.43
38.72
54
-15.28
AVG
7356
55.51
-0.75
57.81
74
-16.19
peak
7356
41.04
-0.75
41.64
54
-12.36
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
4904
60.47
-3.43
59.64
74
-14.36
peak
4904
45.03
-3.43
40.67
54
-13.33
AVG
7356
55.16
-0.75
57.91
74
-16.09
peak
7356
40.75
-0.75
39.87
54
-14.13
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Remark:
(1) Measuring frequencies from 1 GHz to the 25 GHz。
(2) “F” denotes fundamental frequency; “H” denotes spurious frequency. “E” denotes bandedge frequency.
(3) * denotes emission frequency which appearing within the Restricted Bands specified inprovision of
15.205, then the general radiated emission limits in 15.209 apply.
(4) Data of measurement within this frequency range shown “--- ” in the table above meansthe reading of
emissions are attenuated more than 20dB below the permissible limits orthe field strength is too small to be
measured.
(5) The IF bandwidth of EMI Test Receiver between 30MHz to 1GHz was 120KHz, 1 MHzfor measuring
above 1 GHz, below 30MHz was 10KHz.
(6) When the test results of Peak Detected below the limits of Average Detected, theAverage Detected is not
need completed. For example: Top Channel at Fundamental73.16dBuV/m(PK Value) <93.98(AV Limit), at
harmonic 53.20 dBuV/m(PK Value) <54dBuV/m(AV Limit), the Average Detected not need to completed.
Page 53 of 70
Report No.:HUAK180723585E
Test Result of Radiated Spurious at Band edges
Operation Mode:
802.11b Mode TX CH Low (2412MHz)
Horizontal
Frequency
Reading Result
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
2310.00
55.31
-5.81
49.5
74
-24.5
peak
2310.00
-5.81
54
AVG
2390.00
61.57
-5.84
55.73
74
-18.27
peak
2390.00
48.32
-5.84
42.48
54
-11.52
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
2310
53.72
-5.81
47.91
74
-26.09
peak
2310
-5.81
54
AVG
2390
55.87
-5.84
50.03
74
-23.97
peak
2390
-5.84
54
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Page 54 of 70
Report No.:HUAK180723585E
Operation Mode: TX CH High (2462MHz)
Horizontal
Frequency
Reading Result
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB )
(dBμV/m)
(dBμV/m)
(dB)
2483.50
54.18
-5.65
48.53
74
-25.47
peak
2483.50
-5.65
54
AVG
2500.00
53.64
-5.65
47.99
74
-26.01
peak
2500.00
-5.65
54
AVG
Detector Type
Remark: Fac tor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Reading Result
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
2483.50
53.29
-5.65
47.64
74
-26.36
peak
2483.50
-5.65
54
AVG
2500.00
53.16
-5.65
47.51
74
-26.49
peak
2500.00
-5.65
54
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Remark: All the other emissions not reported were too low to read and deemed to comply with FCC limit.
Page 55 of 70
Report No.:HUAK180723585E
Operation Mode: 802.11g Mode TX CH Low (2412MHz)
Horizontal
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
2310
57.65
-5.81
51.84
74
-22.16
peak
2310
-5.81
54
AVG
2390
56.71
-5.84
50.87
74
-23.13
peak
2390
-5.84
54
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB )
(dBμV/m)
(dBμV/m)
(dB)
2310
53.28
-5.81
47.47
74
-26.53
peak
2310
-5.81
54
AVG
2390
57.54
-5.84
51.7
74
-22.3
peak
2390
-5.84
54
AVG
Detector Type
Remark: Fac tor = Antenna Factor + Cable Loss – Pre-amplifier.
Page 56 of 70
Report No.:HUAK180723585E
Operation Mode: TX CH High (2462MHz)
Horizontal
Frequency
Reading Result
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB )
(dBμV/m)
(dBμV/m)
(dB)
2483.50
54.18
-5.65
48.53
74
-25.47
peak
2483.50
-5.65
54
AVG
2500.00
53.29
-5.65
47.64
74
-26.36
peak
2500.00
-5.65
54
AVG
Limits
Margin
Detector Type
Remark: Fac tor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Reading Result
Factor
Emission Level
Detector Type
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
2483.50
56.49
-5.65
50.84
74
-23.16
peak
2483.50
-5.65
54
AVG
2500.00
55.32
-5.65
49.67
74
-24.33
peak
2500.00
-5.65
54
AVG
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Remark: All the other emissions not reported were too low to read and deemed to comply with FCC limit.
Page 57 of 70
Report No.:HUAK180723585E
Operation Mode: 802.11n/H20 Mode TX CH Low (2412MHz)
Horizontal
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
2310
54.86
-5.81
49.05
74
-24.95
peak
2310
-5.81
54
AVG
2390
63.75
-5.84
57.91
74
-16.09
peak
2390
42.71
-5.84
36.87
54
-17.13
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
2310
53.15
-5.81
47.34
74
-26.66
peak
2310
-5.81
54
AVG
2390
64.73
-5.84
58.89
74
-15.11
peak
2390
45.91
-5.84
40.07
54
-13.93
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Page 58 of 70
Report No.:HUAK180723585E
Operation Mode: TX CH High (2462MHz)
Horizontal
Frequency
Reading Result
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB )
(dBμV/m)
(dBμV/m)
(dB)
2483.50
53.12
-5.65
47.47
74
-26.53
peak
2483.50
-5.65
54
AVG
2500.00
52.28
-5.65
46.63
74
-27.37
peak
2500.00
-5.65
54
AVG
Detector Type
Remark: Fac tor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Reading Result
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
2483.50
56.87
-5.65
51.22
74
-22.78
peak
2483.50
-5.65
54
AVG
2500.00
55.43
-5.65
49.78
74
-24.22
peak
2500.00
-5.65
54
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Remark: All the other emissions not reported were too low to read and deemed to comply with FCC limit.
Page 59 of 70
Report No.:HUAK180723585E
Operation Mode: 802.11n/H40 Mode TX CH Low (2422MHz)
Horizontal
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB )
(dBμV/m)
(dBμV/m)
(dB)
2310
52.87
-5.81
47.06
74
-26.94
peak
2310
-5.81
54
AVG
2390
55.39
-5.84
49.55
74
-24.45
peak
2390
-5.84
54
AVG
Detector Type
Remark: Fac tor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Meter Reading
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
2310
56.81
-5.81
51
74
-23
peak
2310
-5.81
54
AVG
2390
53.28
-5.84
47.44
74
-26.56
peak
2390
-5.84
54
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Page 60 of 70
Report No.:HUAK180723585E
Operation Mode: TX CH High (2452MHz)
Horizontal
Frequency
Reading Result
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB )
(dBμV/m)
(dBμV/m)
(dB)
2483.50
56.18
-5.65
50.53
74
-23.47
peak
2483.50
-5.65
54
AVG
2500.00
55.34
-5.65
49.69
74
-24.31
peak
2500.00
-5.65
54
AVG
Detector Type
Remark: Fac tor = Antenna Factor + Cable Loss – Pre-amplifier.
Vertical:
Frequency
Reading Result
Factor
Emission Level
Limits
Margin
(MHz)
(dBμV)
(dB)
(dBμV/m)
(dBμV/m)
(dB)
2483.50
54.32
-5.65
48.67
74
-25.33
peak
2483.50
-5.65
54
AVG
2500.00
53.84
-5.65
48.19
74
-25.81
peak
2500.00
-5.65
54
AVG
Detector Type
Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Remark: All the other emissions not reported were too low to read and deemed to comply with FCC limit.
Page 61 of 70
Report No.:HUAK180723585E
4.7. ANTENNA REQUIREMENT
Standard Applicable
For intentional device, according to FCC 47 CFR Section 15.203, an intentional radiator shall be
designed toensure that no antenna other than that furnished by the responsible party shall be used
with the device.And according to FCC 47 CFR Section 15.249, if transmitting antennas of directional
gain greater than6dBi are used, the power shall be reduced by the amount in dB that the directional
gain of the antennaexceeds 6dBi.
Refer to statement below for compliance.
The manufacturer may design the unit so that the user can replace a broken antenna, but the use of
astandard antenna jack or electrical connector is prohibited. Further, this requirement does not apply
tointentional radiators that must be professionally installed.
Antenna Connected Construction
The antenna used in this product is a External Antenna, The directional gains of antenna used for
transmitting is 2dBi.
WIFI ANTENNA
Page 62 of 70
Report No.:HUAK180723585E
4.8. PHOTOGRAPH OF TEST
Radiated Emission
Page 63 of 70
Download: CX77 Digital Wireless Monitor Test Report 显示器-FCC ID 15.247_1_ SHENZHEN SUNVEYTECH CO.,LTD
Mirror Download [FCC.gov]CX77 Digital Wireless Monitor Test Report 显示器-FCC ID 15.247_1_ SHENZHEN SUNVEYTECH CO.,LTD
Document ID4030863
Application IDEObBfLsyaUJKXgSSBJDmSw==
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Display FormatAdobe Acrobat PDF - pdf
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Date Submitted2018-10-10 00:00:00
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