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Ugreen Group Limited BT503 Bluetooth Audio Adapter 2AQI5-BT503 2AQI5BT503 bt503

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Document DEVICE REPORTGetApplicationAttachment.html?id=7860665
Report No.: BL-SZ2491211-701

TEST REPORT

Applicant: Address: Equipment Type: Model Name: Brand Name: FCC ID: Test Standard: Sample Arrival Date: Test Date: Date of Issue:

Ugreen Group Limited URGEEN Building, Longcheng Industrial Park, Longguanxi Road, Longhua, ShenZhen, China Bluetooth Audio Adapter BT503
2AQI5-BT503 KDB 447498 D04 v01  (refer to section 3) Sep. 29, 2024 Oct. 08, 2024 - Oct. 24, 2024 Nov. 12, 2024

ISSUED BY: Shenzhen BALUN Technology Co., Ltd.

Tested by: Xiong Lining

Checked by: Xu Rui

Approved by: Tolan Tu (Testing Director)

_______________

_______________

_______________

Tel: +86-755-66850100

E-mail: [email protected]

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Report No.: BL-SZ2491211-701

Version Rev. 01

Revision History

Issue Date Nov. 12, 2024

Revisions Content Initial Issue

TABLE OF CONTENTS

1 GENERAL INFORMATION........................................................................................................ 3

1.1

Test Laboratory ............................................................................................................ 3

1.2

Test Location ................................................................................................................ 3

2 PRODUCT INFORMATION ....................................................................................................... 4

2.1

Applicant Information .................................................................................................... 4

2.2

Manufacturer Information.............................................................................................. 4

2.3

Factory Information....................................................................................................... 4

2.4

General Description for Equipment under Test (EUT) ................................................... 4

2.5

Technical Information ................................................................................................... 5

3 SUMMARY OF TEST RESULT ................................................................................................. 6

3.1

Test Standards ............................................................................................................. 6

3.2

Limit Standards............................................................................................................. 6

4 DEVICE CATEGORY AND LEVELS LIMITS ............................................................................. 7

5 ASSESSMENT RESULT ........................................................................................................... 9

5.1

Output Power ............................................................................................................... 9

5.2

Tune-up power ............................................................................................................. 9

5.3

RF Exposure Evaluation Result .................................................................................... 9

5.4

Conclusion.................................................................................................................... 9

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E-mail: [email protected]

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Report No.: BL-SZ2491211-701

1 GENERAL INFORMATION

1.1 Test Laboratory

Name Address Phone Number

Shenzhen BALUN Technology Co., Ltd. Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China +86 755 6685 0100

1.2 Test Location
Name
Location
Accreditation Certificate

Shenzhen BALUN Technology Co., Ltd. Block B, 1/F, Baisha Science and Technology Park, Shahe Xi
Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China
1/F, Building B, Ganghongji High-tech Intelligent Industrial Park, No. 1008, Songbai Road, Yangguang Community, Xili Sub-district, Nanshan District, Shenzhen, Guangdong Province, P. R. China The laboratory is a testing organization accredited by FCC as a accredited testing laboratory. The designation number is CN1196.

Tel: +86-755-66850100

E-mail: [email protected]

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Report No.: BL-SZ2491211-701

2 PRODUCT INFORMATION

2.1 Applicant Information

Applicant Address

Ugreen Group Limited UGREEN Building, Longcheng Industrial Park Longguanxi Road, Longhua, ShenZhen, China

2.2 Manufacturer Information

Manufacturer Address

Ugreen Group Limited UGREEN Building, Longcheng Industrial Park Longguanxi Road, Longhua, ShenZhen, China

2.3 Factory Information

Factory Address

SKY WING COMMUNICATION ELECTRONICS CO., LTD. 2nd and 3rd floor, No. 62, 10th Road, Longyan Zone, Humen Town, Dongguan, Guangdong Province, China

2.4 General Description for Equipment under Test (EUT)

EUT Name

Bluetooth Audio Adapter

Model Name Under Test BT503

Series Model Name

N/A

Description of Model N/A
name differentiation

Hardware Version

V02

Software Version

V001

Dimensions (Approx.) N/A

Weight (Approx.)

N/A

Remark:

- Product Number (P/N) code in the below table, for marketing purpose, will be marked on the marking

plate.

45492 45492A 45492B 45492C 45492U 45492P 45492X 45492JP 45492EU 45492UK 45492US

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Report No.: BL-SZ2491211-701

2.5 Technical Information

Network and Wireless connectivity

Bluetooth (BR+EDR)

The requirement for the following technical information of the EUT was tested in this report:

Operating Mode Frequency Range Antenna Type Exposure Category Product Type

Bluetooth

Bluetooth

2400 ~ 2483.5 MHz

Bluetooth

FPC Antenna

General Population/Uncontrolled Exposure

Portable Device

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Report No.: BL-SZ2491211-701

3 SUMMARY OF TEST RESULT

3.1 Test Standards

No.

Identity

Document Title

1  KDB 447498 D04 v01 KDB 447498 D04 Interim General RF Exposure Guidance v01

3.2 Limit Standards

No.

Identity

Document Title

1 47 CFR Part 2.1093 Radiofrequency radiation exposure evaluation: portable devices

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Report No.: BL-SZ2491211-701

4 DEVICE CATEGORY AND LEVELS LIMITS

Portable Devices: CFR Title 47 §2.1093(b) (b) For purposes of this section, a portable device is defined as a transmitting device designed to be used so that the radiating structure(s) of the device is/are within 20 centimeters of the body of the user.

FCC KDB 447498 Devices:

According with FCC KDB 447498 D04, Appendix B, The SAR-based exemption formula applies for single fixed, mobile, and portable RF sources with available maximum time-averaged power or effective radiated power (ERP), whichever is greater, of less than or equal to the threshold Pth (mW).

This method shall only be used at separation distances from 0.5 cm to 40 cm and at frequencies from 0.3 GHz to 6 GHz (inclusive). The following table shows the power threshold from 5mm to 50mm.

Frequency (MHz)
300 450 835 1900 2450 3600 5800
Frequency (MHz)
300 450 835 1900 2450 3600 5800

At separation distance of 5 mm 39 mW 22 mW 9 mW 3 mW 3 mW 2 mW 1 mW
At separation distance of 30 mm 148 mW 135 mW 116 mW 92 mW 83 mW 71 mW 58 mW

Power Thresholds (mW)

At separation

At separation

distance of

distance of

10 mm

15 mm

65 mW

88 mW

44 mW

67 mW

25 mW

44 mW

12 mW

26 mW

10 mW

22 mW

8 mW

18 mW

6 mW

14 mW

At separation

At separation

distance of

distance of

35 mm

40 mm

166 mW

184 mW

158 mW

180 mW

145 mW

175 mW

122 mW

157 mW

111 mW

143 mW

96 mW

125 mW

80 mW

106 mW

At separation distance of 20 mm 110 mW 89 mW 66 mW 44 mW 38 mW 32 mW 25 mW
At separation distance of 45 mm 201 mW 203 mW 207 mW 195 mW 179 mW 158 mW 136 mW

At separation distance of 25 mm 129 mW 112 mW 90 mW 66 mW 59 mW 49 mW 40 mW
At separation distance of 50 mm 217 mW 226 mW 240 mW 236 mW 219 mW 195 mW 169 mW

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Report No.: BL-SZ2491211-701
Note: 1. Maximum power is the source-based time-average power and represents the maximum RF output
power including tune-up tolerance among production units 2. Per KDB 447498 D04, for larger devices, the test separation distance of adjacent edge configuration
is determined by the closest separation between the antenna and the user. 3. Per KDB 447498 D04, standalone SAR test exclusion threshold is applied; If the distance of the
antenna to the user is < 5mm, 5mm is used to determine SAR exclusion threshold 4. Per KDB 447498 D04, for separation distances from 0.5 cm to 40 cm and at frequencies from 0.3
GHz to 6 GHz (inclusive), the threshold Pth (mW) is given by Following:

where



=

-10

( 60 )
20

a. f(GHz) is the RF channel transmit frequency in GHz

b. d is the separation distance (cm), The result is rounded to one decimal place for comparison

c. 20 are determined by:

20() = () = {23004600

0.3   < 1.5 1.5    6

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Report No.: BL-SZ2491211-701

5 ASSESSMENT RESULT

5.1 Output Power

Mode

Bluetooth

Conducted Power (dBm)

3.15

Antenna Gain (dBi)

-1.45

EIRP (dBm)

1.70

Note: This report listed the worst case power value, please refer to BL-SZ2491211-601 report for more details.

5.2 Tune-up power

Mode

Conducted Power Range (dBm)

EIRP Range (dBm)

ERP Range (dBm)

Bluetooth

[2.00, 4.00]

[0.00, 2.00]

[-2.15, -0.15]

Note1: ERP= EIRP -2.15dB

Note2: According KDB 447498 D04, used the greater of maximum conducted power and ERP to compare with the threshold

value Pth.

5.3 RF Exposure Evaluation Result

Mode Bluetooth

Distance (mm)
5.00

Calculation Frequency
(MHz) 2480

Tune-up limit power (dBm)
4.00

Tune-up limit power (mW)
2.51

Threshold Value(mW)
2.72

Verdict Compliance

5.4 Conclusion
This EUT is deemed to comply with the reference level limits, therefore the basic restrictions are compliant with human exposure limits.

Tel: +86-755-66850100

E-mail: [email protected]

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Report No.: BL-SZ2491211-701
Statement
1. The laboratory guarantees the scientificity, accuracy and impartiality of the test, and is responsible for all the information in the report, except the information provided by the customer. The customer is responsible for the impact of the information provided on the validity of the results. 2. The report without China inspection body and laboratory Mandatory Approval (CMA) mark has no effect of proving to the society. 3. For the report with CNAS mark or A2LA mark, the items marked with "" are not within the accredited scope. 4. This report is invalid if it is altered, without the signature of the testing and approval personnel, or without the "inspection and testing dedicated stamp" or test report stamp. 5. The test data and results are only valid for the tested samples provided by the customer. 6. This report shall not be partially reproduced without the written permission of the laboratory. 7. Any objection shall be raised to the laboratory within 30 days after receiving the report.
--END OF REPORT--

Tel: +86-755-66850100

E-mail: [email protected]

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