D-DL1645 TV headsets Test Report FCC ID-2.4G- Wirelesssir Electronics limited

Wirelesssir Electronics limited TV headsets

FCC ID Filing: 2AMEXD-DL1645
Purchase on Amazon: TV headsets

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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
FCC Part 15C Test Report
FCC ID: 2AMEXD-DL1645
TV headsets
Product Name:
Trademark:
Model Name :
D-DL1645, D-DL1645 headset, D-DL1645 transmitter
Prepared For :
Wirelesssir Electronics limited
Address :
402, No20, JinKai Road, SongGang Town,ShenZhen City,China
Prepared By :
Shenzhen BCTC Technology Co., Ltd.
Address :
No.101, Yousong Road, Longhua New District, Shenzhen,China
Test Date:
May 15 - May 19, 2017
Date of Report :
May 19, 2017
Report No.:
BCTC-FY170502863E
FCC Report
Tel: 400-788-9558 0755-33019988
Web:Http//www.bctc-lab.com.cn
Page 1 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
VERIFICATION OF COMPLIANCE
Applicant’s name .................. : Wirelesssir Electronics limited
Address .................................. : 402, No20, JinKai Road, SongGang Town,ShenZhen
City,China
Manufacture's Name ............ : Wirelesssir Electronics limited
Address .................................. : 402, No20, JinKai Road, SongGang Town,ShenZhen
City,China
Product description
Product name ........................... : TV headsets
Trademark:
Model Name:
D-DL1645, D-DL1645 headset, D-DL1645 transmitter
Standards:
FCC Part15.249
ANSI C63.10-2013
This device described above has been tested by BCTC, 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 BCTC, this
document may be altered or revised by BCTC, personal only, and shall be noted in the revision of
the document.
Test Result .............................................. : Pass
Prepared by(Engineer):
Eric Yang
Reviewer(Supervisor):
Jade Yang
Approved(Manager):
Carson Zhang
FCC Report
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Page 2 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
Table of Contents
Page
1 . SUMMARY OF TEST RESULTS
1.1 TEST FACILITY
1.2 MEASUREMENT UNCERTAINTY
2 . GENERAL INFORMATION
2.1 GENERAL DESCRIPTION OF EUT
2.2 DESCRIPTION OF TEST MODES
2.3 TABLE OF PARAMETERS OF TEXT SOFTWARE SETTING
2.4 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED
2.5 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE)
2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS
3 . EMC EMISSION TEST
3.1
11
CONDUCTED EMISSION MEASUREMENT
3.1.1 POWER LINE CONDUCTED EMISSION LIMITS
3.1.2 TEST PROCEDURE
3.1.3 DEVIATION FROM TEST STANDARD
3.1.4 TEST SETUP
3.1.5 EUT OPERATING CONDITIONS
3.1.6 TEST RESULTS
3.2 RADIATED EMISSION MEASUREMENT
3.2.1 RADIATED EMISSION LIMITS
3.2.2 TEST PROCEDURE
3.2.3 DEVIATION FROM TEST STANDARD
3.2.4 TEST SETUP
3.2.5 EUT OPERATING CONDITIONS
3.2.6 TEST RESULTS
4 . BANDWIDTH TEST
15
15
16
16
17
18
19
24
24
24
24
24
25
5 . 100 KHZ BANDWIDTH OF FREQUENCY BAND EDGE
5.1 DEVIATION FROM STANDARD
5.2 EUT OPERATION CONDITIONS
5.3 TEST RESULTS
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11
11
11
11
12
12
13
24
4.1 APPLIED PROCEDURES / LIMIT
4.1.1 TEST PROCEDURE
4.1.2 DEVIATION FROM STANDARD
4.1.3 TEST SETUP
4.1.4 EUT OPERATION CONDITIONS
4.1.5 TEST RESULTS
FCC Report
10
28
29
29
29
Web:Http//www.bctc-lab.com.cn
Page 3 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
Table of Contents
Page
6 . ANTENNA REQUIREMENT
32
6.1 STANDARD REQUIREMENT
32
6.2 EUT ANTENNA
32
7 . EUT TEST PHOTO
33
8 . EUT PHOTO
35
FCC Report
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Page 4 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
1. SUMMARY OF TEST RESULTS
Test procedures according to the technical standards:
FCC Part15 (15.249) , Subpart C
Standard
Section
Test Item
Judgment
15.207(a)
Conducted Emission
PASS
15.209(a)&&15.249(a)
&15.249(c)&15.205(a)
Fundamental &Radiated Spurious
Emission Measurement
PASS
15.215(c)
Bandwidth
PASS
15.249(d)
Band Edge Emission
PASS
15.203
Antenna Requirement
PASS
Remark
1.1 TEST FACILITY
Shenzhen BCTC Technology Co., Ltd.
Add.:No.101,Yousong Road,Longhua New District, Shenzhen,China
FCC Registration No.:187086
1.2 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 %。
FCC Report
No.
Item
Uncertainty
Conducted Emission Test
±1.38dB
RF power,conducted
±0.16dB
Spurious emissions,conducted
±0.21dB
All emissions,radiated(<1G)
±4.68dB
All emissions,radiated(>1G)
±4.89dB
Temperature
±0.5°C
Humidity
±2%
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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
2. GENERAL INFORMATION
2.1 GENERAL DESCRIPTION OF EUT
Equipment
TV headsets
Trade Name
Model Name
D-DL1645
Serial Model
D-DL1645 headset, D-DL1645 transmitter
Model Difference
Product Description
All the model are the same circuit and RF module,except model
names.
Operation Frequency:
Modulation Type:
Number Of Channel
Channel spacing
Antenna Designation:
2403-2478MHz
GFSK
26 CH
3MHz
Please see Note 3.
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.
Channel List
Please refer to the Note 2.
Battery
DC 12V from adapter, AC 120V/60Hz for adapter.
Connecting I/O
Port(s)
Please refer to the User's Manual
hardware version
Software version
Note:
1. For a more detailed features description, please refer to the manufacturer’s specifications
or the User's Manual.
FCC Report
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Page 6 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
2.
Channel
Channel
01
02
03
04
05
06
07
08
09
Frequency
(MHz)
2403
2406
2409
2412
2415
2418
2421
2424
2427
Channel
10
11
12
13
14
15
16
17
18
List
Frequency
(MHz)
2430
2433
2436
2439
2442
2445
2448
2451
2454
Channel
19
20
21
22
23
24
25
26
Frequency
(MHz)
2457
2460
2463
2466
2469
2472
2475
2478
3.
Table for Filed Antenna
Ant Brand
Model Name
N/A
N/A
Antenna Type Connector Gain (dBi)
Internal Antenna
N/A
0dBi
NOTE
2.2 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.
For All Mode
Description
Mode 1
CH01
Mode 2
CH13
Mode 3
CH26
Mode 4
Modulation Type
GFSK
Link mode
Note:
(1) The measurements are performed at the highest, middle, lowest available channels.
(2) Fully-charged battery is used during the test
2.3 TABLE OF PARAMETERS OF TEXT SOFTWARE SETTING
During testing channel & power controlling software provided by the customer was used to
control the operating channel as well as the output power level. The RF output power selection
is for the setting of RF output power expected by the customer and is going to be fixed on the
firmware of the final end product power parameters
Frequency
Channel
FCC Report
2403 MHz
Low
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2439MHz
Middle
2478 MHz
High
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Page 7 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
2.4 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED
Radiated Spurious Emission Test
E-2
Optional
accessories
E-1
EUT
C-1
E-3
Adapter
AC Plug
EUT
as the picture shows, EUT is transmitter has been testing in this report, The
Optional accessories is Receiver, no test in this report and just as an accessory.
FCC Report
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Page 8 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
2.5DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE)
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.
E-1
TV headsets
D-DL1645
N/A
EUT
E-2
Optional
Accessories
D-DL1645
N/A
N/A
E-3
Adapter
CBD1200500
N/A
N/A
N/A
Item
Shielded Type
Ferrite Core
Length
Note
C-1
NO
NO
0.8M
DC Line
Note
Note:
(1)
(2)
(3)
FCC Report
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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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS
Radiation Test equipment
Item
10
11
Equipment
Spectrum Analyzer
(9kHz-26.5GHz)
Test Receiver
(9kHz-7GHz)
Bilog Antenna
(30MHz-1GHz)
Horn Antenna
(1GHz-18GHz)
Horn Antenna
(14GHz-40GHz)
Amplifier
(9KHz-6GHz)
Amplifier
(1GHz-18GHz)
Amplifier
(18GHz-40GHz)
Loop Antenna
(9KHz-30MHz)
RF cables1
(9kHz-1GHz)
RF cables2
(1GHz-40GHz)
Manufacturer
Type No.
Serial No.
Last calibration
Calibrated until
Agilent
E4407B
MY45108040
2016.08.27
2017.08.26
R&S
ESPI
101318
2016.08.27
2017.08.26
VULB
VULB91
9168
68-438
2016.08.27
2017.08.26
SCHWARZBECK
BBHA9120D
1201
2016.09.03
2017.09.03
SCHWARZBECK
BBHA 9170
9170-181
2016.09.03
2017.09.03
SCHWARZBECK
BBV9744
9744-0037
2016.08.27
2017.08.26
SCHWARZBECK
BBV9718
9718-309
2016.08.27
2017.08.26
SCHWARZBECK
BBV 9721
9721-205
2016.08.27
2017.08.26
SCHWARZBECK
FMZB1519B
00014
2016.09.03
2017.09.03
R&S
R203
R20X
2016.08.27
2017.08.26
R&S
R204
R21X
2016.08.27
2017.08.26
R&S
12
Antenna connector
Florida RF Labs
N/A
RF 01#
2016.08.27
2017.08.26
13
Power Metter
ANRITSU
ML2487A
6K00001568
2016.08.27
2017.08.26
14
Power Sensor (AV)
ANRITSU
ML2491A
030989
2016.08.27
2017.08.26
Agilent
N9010A
MY48030494
2016.08.27
2017.08.26
R&S
ESU 40
100376
2016.08.27
2017.08.26
LongWei
PS-305D
010964729
2016.08.27
2017.08.26
15
16
17
Signal Analyzer
9kHz-26.5GHz
Test Receiver
20kHz-40GHz
D.C. Power Supply
Conduction Test equipment
Item
Kind of
Equipment
Manufacturer
Type No.
Serial No.
Last calibration
Calibrated until
Test Receiver
R&S
ESCI
1166.5950K03-10
1165-ha
2016.06.06
2017.06.05
LISN
R&S
NSLK81
812646
26
2016.08.25
2017.08.24
LISN
R&S
NSLK81
812648
26
2016.08.25
2017.08.24
50Ω Coaxial Switch
Anritsu
MP59B
6200264417
2016.06.07
2017.06.06
RF cables
R&S
R204
R20X
2016.07.06
2017.07.05
FCC Report
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Page 10 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
3. EMC EMISSION TEST
3.1 CONDUCTED EMISSION MEASUREMENT
3.1.1 POWER LINE CONDUCTED EMISSION Limits
FREQUENCY (MHz)
Limit (dBuV)
(Frequency Range 150KHz-30MHz)
Standard
Quasi-peak
Average
0.15 -0.5
66 - 56 *
56 - 46 *
FCC
0.50 -5.0
56.00
46.00
FCC
5.0 -30.0
60.00
50.00
FCC
Note:
(1) The tighter limit applies at the band edges.
(2) The limit of " * " marked band means the limitation decreases linearly with the
logarithm of the frequency in the range.
The following table is the setting of the receiver
Receiver Parameters
Attenuation
Start Frequency
Stop Frequency
IF Bandwidth
Setting
10 dB
0.15 MHz
30 MHz
9 kHz
3.1.2 TEST PROCEDURE
a. The EUT was placed 0.8 meters from the horizontal ground plane with EUT being connected
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.
b. 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 40 cm long.
c. 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.
d. LISN at least 80 cm from nearest part of EUT chassis.
e. For the actual test configuration, please refer to the related Item –EUT Test Photos.
3.1.3 DEVIATION FROM TEST STANDARD
No deviation
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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
3.1.4 TEST SETUP
V e r tic a l R e fe r e n c e
T e s t R e c e iv e r
G r o u n d P la n e
40cm
EUT
80cm
L IS N
H o r iz o n ta l R e f e r e n c e
G r o u n d P la n e
N o te : 1 .S u p p o r t u n its w e r e c o n n e c te d to s e c o n d L IS N .
2 .B o t h o f L IS N s ( A M N ) a r e 8 0 c m fr o m E U T a n d a t le a s t 8 0
f r o m o th e r u n its a n d o t h e r m e ta l p la n e s
3.1.5 EUT OPERATING CONDITIONS
The EUT was configured for testing in a typical fashion (as a customer would normally use it). The
EUT has been programmed to continuously transmit during test. This operating condition was
tested and used to collect the included data.
We pretest AC 120V and AC 240V, the worst voltage was AC 120V and the data recording in the
report.
FCC Report
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Shenzhen BCTC Technology Co., Ltd.
3.1.6 TEST RESULTS
Temperature:
26℃
Pressure:
1010hPa
Test Voltage : AC120V/60Hz
Report No.:BCTC-FY170502863E
Relative Humidity:
Phase :
Test Mode:
54%
Mode 4
Remark:
1. All readings are Quasi-Peak and Average values.
2. Factor = Insertion Loss + Cable Loss.
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Shenzhen BCTC Technology Co., Ltd.
Temperature:
Pressure:
Test Voltage :
26℃
1010hPa
AC120V/60Hz
Report No.:BCTC-FY170502863E
Relative Humidity: 54%
Phase :
Test Mode:
Mode 4
Remark:
1. All readings are Quasi-Peak and Average values.
2. Factor = Insertion Loss + Cable Loss.
FCC Report
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Page 14 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
3.2 RADIATED EMISSION MEASUREMENT
3.2.1 RADIATED EMISSION LIMITS (Frequency Range 9kHz-1000MHz)
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.
Frequencies
Field Strength
Measurement Distance
(MHz)
(micorvolts/meter)
(meters)
0.009~0.490
2400/F(KHz)
300
0.490~1.705
24000/F(KHz)
30
1.705~30.0
30
30
30~88
100
88~216
150
216~960
200
Above 960
500
LIMITS OF RADIATED EMISSION MEASUREMENT (Above 1000MHz)
FREQUENCY (MHz)
Limit (dBuV/m) (at 3M)
PEAK
AVERAGE
Above 1000
74
54
Notes:
(1) The limit for radiated test was performed according to FCC PART 15C.
(2) The tighter limit applies at the band edges.
(3) Emission level (dBuV/m)=20log Emission level (uV/m).
FREQUENCY RANGE OF RADIATED MEASUREMENT (For unintentional radiators)
Highest frequency generated or
Upper frequency of
measurement used in the device
or on which the device operates
or tunes (MHz)
Below 1.705
30
1.705 – 108
1000
108 – 500
2000
500 – 1000
5000
5 harmonic of the highest frequency or 40 GHz,
whichever is lower
Above 1000
FCC Report
Range (MHz)
th
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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
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
Setting
Attenuation
Auto
Start ~ Stop Frequency
9kHz~150kHz / RB 200Hz for QP
Start ~ Stop Frequency
150kHz~30MHz / RB 9kHz for QP
Start ~ Stop Frequency
30MHz~1000MHz / RB 120kHz for QP
3.2.2 TEST PROCEDURE
a. The measuring distance of at 3 m shall be used for measurements at frequency up to 25GHz.
For frequencies above 1GHz, any suitable measuring distance may be used.
b. The EUT was placed on the top of a rotating table 0.8 and 1.5 meters above the ground at a 3
meter semi-chamber test. 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; above 1GHz, the
height was 1.5m, 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. 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.
e. 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.
f. For the actual test configuration, please refer to the related Item –EUT Test Photos.
g. 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.
Note:
Both horizontal and vertical antenna polarities were tested
and performed pretest to three orthogonal axis. The worst case emissions were reported
3.2.3 DEVIATION FROM TEST STANDARD
No deviation
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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
3.2.4 TEST SETUP
(A)Radiated Emission Test-Up Frequency Below 30MHz
(B)Radiated Emission Test-Up Frequency 30MHz~1GHz
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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
(C)Radiated Emission Test-Up Frequency Above 1GHz
3.2.5 EUT OPERATING CONDITIONS
The EUT tested system was configured as the statements of 2.4 Unless otherwise a special
operating condition is specified in the follows during the testing.
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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
3.2.6 TEST RESULTS
Radiated Spurious Emission (Below 30MHz )
Temperature:
Pressure:
Test Voltage :
Test Mode :
Relative Humidity:
Polarization :
25 ℃
1010 hPa
AC 120V/60Hz
Mode 4
55%
---
Freq.
Reading
Limit
Margin
State
(MHz)
(dBuV/m)
(dBuV/m)
(dB)
P/F
--
--
--
--
PASS
--
--
--
--
PASS
NOTE:
The amplitude of spurious emissions which are attenuated by more than 20dB below the permissible
value has no need to be reported.
Distance extrapolation factor =40 log (specific distance/test distance)(dB);
Limit line = specific limits(dBuv) + distance extrapolation factor.
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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
Radiated Spurious Emission (Between 30MHz – 1GHz)
Temperature:
Pressure:
Test Voltage :
Test Mode :
(Worst)
FCC Report
25 ℃
1010 hPa
AC 120V/60Hz
Relative Humidity:
Polarization :
55%
Horizontal
Mode 4
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Shenzhen BCTC Technology Co., Ltd.
Temperature:
Pressure:
Test Voltage :
Test Mode :
(Worst)
FCC Report
25 ℃
1010 hPa
AC 120V/60Hz
Report No.:BCTC-FY170502863E
Relative Humidity:
Polarization :
55%
Vertical
Mode 4
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Page 21 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
Radiated Spurious Emission ( 1GHz to 10th harmonics)
GFSK
Freq.
Lower
Channel
2403
MHz
Middle
Channel
2439MHz
High
Channel
2478MHz
FCC Report
Receiver
Reading
Detector
Polar
(PK/QP/Ave) (H/V)
Corrected Emission
Factor
Level
Result
(MHz)
(dBμV)
2403
96.68
PK
13.7
110.38
114
Pass
2403
76.82
Ave
13.7
90.52
94
Pass
4806
51.33
PK
19.25
70.58
74
Pass
4806
30.58
Ave
19.25
49.83
54
Pass
12015
32.58
PK
17.5
50.08
74
Pass
16821
26.67
PK
24.9
51.57
74
Pass
2403
93.25
PK
13.7
106.95
114
Pass
2403
73.46
Ave
13.7
87.16
94
Pass
4806
49.82
PK
19.25
69.07
74
Pass
4806
28.24
Ave
19.25
47.49
54
Pass
12015
32.38
PK
17.5
49.88
74
Pass
16821
25.74
PK
24.9
50.64
74
Pass
2439
95.54
PK
14.52
110.06
114
Pass
2439
75.16
Ave
14.52
89.68
94
Pass
4878
50.92
PK
15.76
66.68
74
Pass
4878
31.47
Ave
15.76
47.23
54
Pass
12195
33.68
PK
18.83
52.51
74
Pass
17073
24.9
PK
26.1
51
74
Pass
2439
93.04
PK
14.52
107.56
114
Pass
2439
74.45
Ave
14.52
88.97
94
Pass
4878
48.26
PK
15.76
64.02
74
Pass
4878
30.82
Ave
15.76
46.58
54
Pass
12195
27.27
PK
18.83
46.1
74
Pass
17073
23.68
PK
26.1
49.78
74
Pass
2478
95.59
PK
15.25
110.84
114
Pass
2478
74.48
Ave
15.25
89.73
94
Pass
4956
50.34
PK
19.82
70.16
74
Pass
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(dB)
Limit
(dBμV/m) (dBμV/m)
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Page 22 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
4956
32.53
Ave
19.82
52.35
54
Pass
12390
28.34
PK
17.94
46.28
74
Pass
17346
25.67
PK
25.94
51.61
74
Pass
2478
93.64
PK
15.25
108.89
114
Pass
2478
72.15
Ave
15.25
87.4
94
Pass
4956
48.27
PK
19.82
68.09
74
Pass
4956
29.93
Ave
19.82
49.75
54
Pass
12390
27.31
PK
17.94
45.25
74
Pass
17346
24.57
PK
25.94
50.51
74
Pass
Remark:
Factor = Antenna Factor + Cable Loss – Pre-amplifier.
Emission Level = Meter Reading + Factor
Margin = Emission Level - Limit
Other harmonics emissions are lower than 20dB below the allowable limit.
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Page 23 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
4. BANDWIDTH TEST
4.1 APPLIED PROCEDURES / LIMIT
FCC Part15 (15.249) , Subpart C
Frequency Range
Section
Test Item
Limit
15.249
Bandwidth
(20dB bandwidth)
Spectrum Parameter
Attenuation
Span Frequency
RB
VB
Detector
Trace
Sweep Time
Result
(MHz)
2403-2478
PASS
Setting
Auto
> Measurement Bandwidth or Channel Separation
100KHz
RBW
Peak
Max Hold
Auto
4.1.1 TEST PROCEDURE
a. The EUT was directly connected to the spectrum analyzer and antenna output port as show in
the block diagram below,
b. Spectrum Setting : RBW= 100KHz, VBW RBW, Sweep time = Auto.
4.1.2 DEVIATION FROM STANDARD
No deviation.
4.1.3 TEST SETUP
4.1.4 EUT OPERATION CONDITIONS
The EUT tested system was configured as the statements of 2.4 Unless otherwise a special
operating condition is specified in the follows during the testing.
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Page 24 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
4.1.5 TEST RESULTS
EUT:
Temperature:
Pressure:
Test Mode :
GFSK
FCC Report
TV headsets
25 ℃
1012 hPa
CH01 / CH13 /C26
Model Name :
D-DL1645
Relative Humidity: 55%
Test Voltage :
AC 120V/60Hz
Frequency
20dB Bandwidth
(kHz)
Result
2403 MHz
432.239
PASS
2439 MHz
414.949
PASS
2478 MHz
400.536
PASS
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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
CH01
CH13
CH26
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Page 26 of 35
Shenzhen BCTC Technology Co., Ltd.
FCC Report
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Report No.:BCTC-FY170502863E
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Page 27 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
5. 100 KHZ BANDWIDTH OF FREQUENCY BAND EDGE
APPLICABLE STANDARD
In any 100 kHz bandwidth outside the frequency band in which the spread spectrum or
digitally modulated intentional radiator is operating, the radio frequency power that is
produced by the intentional radiator shall be at least 20 dB below that in the 100 kHz
bandwidth within the band that contains the highest level of the desired power, based on
either an RF conducted or a radiated measurement, provided the transmitter demonstrates
compliance with the peak conducted power limits. If the transmitter complies with the
conducted power limits based on the use of RMS averaging over a time interval, as
permitted under paragraph (b)(3) of this section, the attenuation required under this
paragraph shall be 30 dB instead of 20 dB. Attenuation below the general limits specified in
§15.209(a) is not required. In addition, radiated emissions which fall in the restricted bands,
as defined in §15.205(a), must also comply with the radiated emission limits specified in
§15.209(a)(c)
TEST PROCEDURE
a) Check the calibration of the measuring instrument using either an internal calibrator or a
known signal from an external generator.
b) Position the EUT without connection to measurement instrument. Turn on the EUT and
connect its antenna terminal to measurement instrument via a low loss cable. Then set it to
any one measured frequency within its operating range, and make sure the instrument is
operated in its linear range.
c) 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.
d) 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.
e) Repeat above procedures until all measured frequencies were complete.
Note:
Both horizontal and vertical antenna polarities were tested
and performed pretest to three orthogonal axis. The worst case emissions were reported
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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
5.1 DEVIATION FROM STANDARD
No deviation.
5.2 EUT OPERATION CONDITIONS
The EUT tested system was configured as the statements of 2.4 Unless otherwise a special
operating condition is specified in the follows during the testing.
5.3 TEST RESULTS
Temperature:
Pressure:
Test Mode :
Relative Humidity: 54%
Test Voltage :
AC 120V/60Hz
25 ℃
1012 hPa
CH01/ CH26
2403MHz
No.
Frequency
(MHz)
2399.015
2400.000
FCC Report
Reading
(dBuV/m)
56.09
52.52
Correct
Factor(dB/m)
-3.24
-3.24
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Horizontal
Result
(dBuV/m)
52.85
49.28
Limit
(dBuV/m)
74.00
74.00
Margin
(dB)
-21.15
-24.72
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Remark
peak
peak
Page 29 of 35
Shenzhen BCTC Technology Co., Ltd.
2403MHz
No.
Frequency
(MHz)
2399.015
2400.155
FCC Report
Reading
(dBuV/m)
53.93
47.47
Correct
Factor(dB/m)
-3.24
-3.24
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Report No.:BCTC-FY170502863E
Vertical
Result
(dBuV/m)
50.69
44.23
Limit
(dBuV/m)
74.00
74.00
Margin
(dB)
-23.31
-29.77
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Remark
peak
peak
Page 30 of 35
Shenzhen BCTC Technology Co., Ltd.
2478MHz
No.
Frequency
(MHz)
2483.5
2490.350
Reading
(dBuV/m)
45.34
49.36
Horizonta
Correct
Factor(dB/m)
-3.53
-3.54
Result
(dBuV/m)
41.81
45.82
2478MHz
No.
Frequency
(MHz)
2483.5
2488.275
Reading
(dBuV/m)
45.32
46.86
Correct
Factor(dB/m)
-3.53
-3.54
Report No.:BCTC-FY170502863E
Limit
(dBuV/m)
74.00
74.00
Margin
(dB)
-32.19
-28.18
Remark
peak
peak
Vertical
Result
(dBuV/m)
41.79
43.32
Limit
(dBuV/m)
74.00
74.00
Margin
(dB)
-32.21
-30.68
Remark
peak
peak
If the PK measured levels comply with average limit, then the average level were deemed to comply with average limit.
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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
6. ANTENNA REQUIREMENT
6.1 STANDARD 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.
6.2 EUT ANTENNA
The EUT antenna is Internal antenna. It complies with the standard requirement.
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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
7. EUT TEST PHOTO
Conducted Measurement Photos
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Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
Radiated Measurement Photos
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Page 34 of 35
Shenzhen BCTC Technology Co., Ltd.
Report No.:BCTC-FY170502863E
8. EUT PHOTO
※※※※※ END OF REPORT ※※※※※
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Page 35 of 35
Download: D-DL1645 TV headsets Test Report FCC ID-2.4G- Wirelesssir Electronics limited
Mirror Download [FCC.gov]D-DL1645 TV headsets Test Report FCC ID-2.4G- Wirelesssir Electronics limited
Document ID3427082
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Date Submitted2017-06-15 00:00:00
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