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LAB02

MPE Report

Shenzhen Skyworth Digital Technology Co.,LTD HP44V Soundbar WNA-HP44V WNAHP44V hp44v

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Document DEVICE REPORTGetApplicationAttachment.html?id=7980592 
SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch

SZEMC-TRF-01 Rev. A/1

Report No.: SZCR240800303506

Page:

1 of 11

RF EXPOSURE EVALUATION REPORT

Application No.:

SZCR2408003035AT

Applicant: Address of Applicant:

Shenzhen Skyworth Digital Technology Co.,LTD
Unit A14/F.Skyworth Bldg., Gaoxin Ave.1s., Nanshan District, Shenzhen, 518057 China

Manufacturer:

Shenzhen Skyworth Digital Technology Co.,LTD

Address of Manufacturer: Unit A14/F.Skyworth Bldg., Gaoxin Ave.1s., Nanshan District, Shenzhen, 518057 China

Factory:

Shenzhen Skyworth Digital Technology Co., LTD. Baoan Factory

Address of Factory:

2-5F, Integration Multi-Storied Building, Skyworth Science and Technology Industrial Park, Tangtou Industrial Zone, Shiyan Street, Baoan District, Shenzhen city, China.

Equipment Under Test (EUT):

EUT Name:

Soundbar

Model No.: 

HP44V, HP4424, KS3, HP4437, HP4435, Helo ll Soundbar



Please refer to section 3.2 of this report which indicates which model was

actually tested and which were electrically identical.

Trade Mark:

SKYWORTH, STRONG, QVWI, MECOOL, Elisa, COOCAA

FCC ID: Standard(s) :

WNA-HP44V FCC Rules 47 CFR §2.1091 KDB 447498 D04 interim General RF Exposure Guidance v01

Date of Receipt:

2024-08-05

Date of Evaluation:

2024-08-10 to 2024-11-21

Date of Issue:

2024-11-21

Evaluation Result:

Pass*

* In the configuration evaluated, the EUT complied with the standards specified above.

Keny Xu EMC Laboratory Manager

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch

SZEMC-TRF-01 Rev. A/1

Report No.: SZCR240800303506

Page:

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Version 01

Chapter

Revision Record Date 2024-11-21

Modifier

Remark Original

Authorized for issue by: Calvin Weng/Project Engineer Eric Fu/Reviewer

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch

SZEMC-TRF-01 Rev. A/1

Report No.: SZCR240800303506

Page:

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2 Contents
Page 1 Cover Page ................................................................................................................................................1
2 Contents ....................................................................................................................................................3
3 General Information..................................................................................................................................4 3.1 General Description of E.U.T. ............................................................................................................4 3.2 Details of E.U.T. .................................................................................................................................4 3.3 Separation Distance ...........................................................................................................................7 3.4 Test Location......................................................................................................................................8 3.5 Test Facility ........................................................................................................................................8 3.6 Deviation from Standards...................................................................................................................8 3.7 Abnormalities from Standard Conditions ...........................................................................................8
4 FCC Radiofrequency radiation exposure limits ....................................................................................9
5 Measurement and Calculation...............................................................................................................10
6 EUT Constructional Details (EUT Photos) ...........................................................................................11

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch

SZEMC-TRF-01 Rev. A/1

Report No.: SZCR240800303506

Page:

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3 General Information

3.1 General Description of E.U.T.

Portable device

Product Type:

Mobile device

Fixed device

3.2 Details of E.U.T.
Power supply:
For BT: Cable Loss (for RF conducted test): Operation Frequency: Bluetooth Version: Modulation Type: Number of Channels: Channel Spacing: Spectrum Spread Technology: Antenna Type: Antenna Gain: For BLE: Cable Loss (for RF conducted test): Operation Frequency: Bluetooth Version: Data Rate: Modulation Type: Number of Channels: Channel Spacing: Antenna Type: Antenna Gain:

DC18V, 2.5A by power adapter Power adapter M/N:CW1802500EU Power adapter input: AC100-240V, 50/60Hz Output: DC18V, 2.5A
0.7dB
2402MHz to 2480MHz V5.2 Dual mode GFSK, pi/4DQPSK, 8DPSK 79 1MHz
Frequency Hopping Spread Spectrum(FHSS)
PCB Antenna 2dBi
0.7dB
2402MHz to 2480MHz V5.2 Dual mode 1M/2M GFSK 40 2MHz PCB Antenna 2dBi

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch

SZEMC-TRF-01 Rev. A/1

Report No.: SZCR240800303506

Page:

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For 2.4G WIFI Cable Loss (for RF conducted test):
Operation Frequency:
Modulation Type:
Number of Channels: Channel Spacing: Antenna Type: Antenna Gain: For 5G WIFI: Cable Loss (for RF conducted test): Operation Frequency/Number of channels (20MHz): Operation Frequency/Number of channels/(40MHz): Operation Frequency/Number of channels (80MHz):
Modulation Type:
Channel Spacing: DFS Function: TPC Function: Antenna Type:
Antenna Gain:
For 5.8G Operation Frequency: Modulation Type: Number of Channels: Channel Spacing: Antenna Type:

0.7dB
802.11b/g/n(HT20): 2412MHz to 2462MHz;802.11n(HT40): 2422MHz to 2452MHz 802.11b: DSSS (CCK, DQPSK, DBPSK);802.11g/n: OFDM (64QAM, 16QAM, QPSK, BPSK) 802.11b/g/n(HT20):11;802.11n(HT40):7 5MHz PCB Antenna ant1: 4.68 dBi, ant2: 5.41 dBi
1.5dB
5180-5240MHz (4 Channels); U-NII-2A: 5260-5320MHz (4 Channels); UNII-2C: 5500-5700MHz (11 Channels); U-NII-3: 5745-5825MHz (5 Channels) 5190-5230MHz (2 Channels); U-NII-2A: 5270-5310MHz (2 Channels); UNII-2C: 5510-5670MHz (5 Channels); U-NII-3: 5755-5795MHz (2 Channels)
5210MHz (1 Channel); U-NII-2A: 5290MHz (1 Channels); U-NII-2C: 55305610MHz (2 Channels); U-NII-3: 5775MHz (1 Channel)
OFDM (64QAM, 16QAM, QPSK, BPSK); 802.11n: OFDM (BPSK, QPSK, 16QAM, 64QAM); 802.11ac: OFDM (BPSK, QPSK, 16QAM, 64QAM, 256QAM) 802.11a/n/ac 20: 20MHz; 802.11n/ac 40: 40MHz; 802.11ac 80: 80MHz Slave without Radar detection Without TPC function PCB Antenna U-NII-1: ant1: 3.73dBi,ant2: 4.46dBi, U-NII-2A: ant1:4.49dBi,ant2: 4.46dBi, U-NII-2C: ant1:4.95dBi, ant2: 5.24dBi, U-NII-3: ant1: 4.59dBi, ant2: 4.58dBi
5729-5820MHz OFDM 92 1MHz PCB Antenna

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch

SZEMC-TRF-01 Rev. A/1

Report No.: SZCR240800303506

Page:

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Antenna Gain:

3.49dBi

Remark:The information in this section is provided by the applicant or manufacturer, SGS is not liable to the accuracy, suitability, reliability or/and integrity of the information.

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch

SZEMC-TRF-01 Rev. A/1

Report No.: SZCR240800303506

Page:

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Declaration of EUT Family Grouping: Model No.: HP44V, HP4424, KS3, HP4437, HP4435, Helo ll Soundbar Only the model KS3 was tested, since according to the declaration from the applicant, the electrical circuit design, PCB layout, components used, internal wiring and functions were identical for all the above models, with only difference on model No. and color, branding logo.
3.3 Separation Distance
Minimum test separation distance: 20cm Remark: This minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander.

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch

SZEMC-TRF-01 Rev. A/1

Report No.: SZCR240800303506

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3.4 Test Location
All tests were performed at: SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen Branch No. 1 Workshop, M-10, Middle Section, Science & Technology Park, Nanshan District, Shenzhen, Guangdong, China. 518057. Tel: +86 755 2601 2053 Fax: +86 755 2671 0594 No tests were sub-contracted.
3.5 Test Facility
The test facility is recognized, certified, or accredited by the following organizations: · A2LA (Certificate No. 3816.01) SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory is accredited by the American Association for Laboratory Accreditation(A2LA). Certificate No. 3816.01. · VCCI (Member No. 1937) The 3m Fully-anechoic chamber for above 1GHz, 10m Semi-anechoic chamber for below 1GHz, Shielded Room for Mains Port Conducted Interference Measurement and Telecommunication Port Conducted Interference Measurement of SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen EMC laboratory have been registered in accordance with the Regulations for Voluntary Control Measures with Registration No.: G-20026, R-14188, C-12383 and T-11153 respectively. · FCC ­Designation Number: CN1336 SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory has been recognized as an accredited testing laboratory. Designation Number: CN1336. Test Firm Registration Number: 787754. · Innovation, Science and Economic Development Canada SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory has been recognized by ISED as an accredited testing laboratory. CAB identifier: CN0006. IC#: 4620C.
3.6 Deviation from Standards
None
3.7 Abnormalities from Standard Conditions
None

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch

SZEMC-TRF-01 Rev. A/1

Report No.: SZCR240800303506

Page:

9 of 11

4 FCC Radiofrequency radiation exposure limits

According to§1.1310, the limit for general population/uncontrolled exposures

Frequency range (MHz)

Electric field strength (V/m)

Magnetic field strength Power density Averaging time

(A/m)

(mW/cm2)

(minutes)

Limits for General Population/Uncontrolled Exposure

0.3-1.34

614

1.63

*(100)

30

1.34-30

824/f

2.19/f

*(180/f2)

30

30-300

27.5

0.073

0.2

30

300-1500

/

/

f/1500

30

1500-100,000

/

/

1.0

30

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch

SZEMC-TRF-01 Rev. A/1

Report No.: SZCR240800303506

Page:

10 of 11

5 Measurement and Calculation
Output Power Into Antenna & RF Exposure Evaluation Distance:

Operating Band

Frequency (MHz)

Antenna Gain (dBi)

Max Conducted
Power (dBm)

EIRP (dBm)

Power Density at R = 20
cm (mW/cm2)

Limit (mW/cm2)

MPE ratio conclusion

BT

2402.0

2

8.79

10.79

0.0024

1.0000

0.0024

Pass

BLE

2480.0

2

6.72

8.72

0.0015

1.0000

0.0015

Pass

2.4G WIFI

2412.0

5.41

16.47

21.88

0.0307

1.0000

0.0307

Pass

5G WIFI

5580.0

5.24

15.67

20.91

0.0245

1.0000

0.0245

Pass

5G WIFI

5785.0

4.59

15.85

20.44

0.0220

1.0000

0.0220

Pass

5.8G

5729.0

/

/

-1.77

0.0001

1.0000

0.0001

Pass

Remark: the highest peak field strength for 5.8G Tx is 93.43dBuV/m@3m, according to C63.10, the EIRP is (93.43-95.2)dBm=-1.77dBm.

The WLAN module did not support simultaneous transmission with 5.8G wireless module, so

 rations of maximum simultaneous transmitting= BT + 2.4G Wi-Fi

Ratio of E Field Strength
(V/m) of BT at R = 20 cm
0.024

Ratio of E Field Strength
(V/m) of Wi-Fi at R = 20 cm
0.0307

Total ratios of simultaneous transmitting at R
=20cm
0.0331

Limit 1.0

Result PASS

So, the device is to qualify for SAR test exemption, the exemption report is in lieu of the SAR report.

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch

SZEMC-TRF-01 Rev. A/1

Report No.: SZCR240800303506

Page:

11 of 11

6 EUT Constructional Details (EUT Photos)
Refer to Appendix ­ External and Internal Photos for SZCR2408003035AT

-End of the Report-

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