FCC ID 2AZ7R-SWA14-2101

Du smart buds

by Shanghai Xiaodu Technology Limited

Grantee Code: 2AZ7R Product Code: SWA142101

Latest application date: 2021-10-14

FCC ID Device Details

FCC ID	2AZ7R-SWA14-2101
Mirrors	fcc.id \| gov \| fccid.ai
Grantee Code	2AZ7R
Product Code	SWA142101
Applicant Business	Shanghai Xiaodu Technology Limited 🇨🇳
Related Domains	baidu.com
Equipment Class	Du smart buds
Test Firm	Dongguan Dongdian Testing Service Co., Ltd.

Operating Frequencies

Frequency Range	Application Purpose	Final Action Date
2402-2480 MHz	Class II permissive change or modification of presently authorized equipment	2021-10-14
2402-2480 MHz	Class II permissive change or modification of presently authorized equipment	2021-10-14
2402-2480 MHz	Original Equipment	2021-07-01
2402-2480 MHz	Original Equipment	2021-07-01

Exhibits

Document	Type	Available	File
User manual part1	Users Manual	2021-12-22	PDF 491.2 KB
User manual part2	Users Manual	2021-12-22	PDF 1.1 MB
Internal photos	Internal Photos	2022-04-12	PDF 4.6 MB
Internal photos	Internal Photos	2021-12-22	PDF 3.7 MB
External photos	External Photos	2022-04-12	PDF 2.4 MB
External photos	External Photos	2021-12-22	PDF 1.7 MB
Label and label location	ID Label/Location Info	2021-07-01	PDF 216.5 KB
Test setup photos	Test Setup Photos	2022-04-12	PDF 255.3 KB
Test setup photos	Test Setup Photos	2021-12-22	PDF 379.1 KB
Test report for BLE	Test Report	2021-10-14	PDF 1,005.4 KB
Test report for BT	Test Report	2021-10-14	PDF 995.4 KB
Test report for BT LE	Test Report	2021-07-01	PDF 3.6 MB
Test report for BT part1	Test Report	2021-07-01	PDF 5.1 MB
Test report for BT part2	Test Report	2021-07-01	PDF 3.6 MB
FCC C2PC letter	Cover Letter(s)	2021-10-14	PDF 28.3 KB
FCC Confidentiality request letter	Cover Letter(s)	2021-10-14	PDF 89.3 KB
FCC Authority to Act as Agent	Cover Letter(s)	2021-07-01	PDF 63.8 KB
FCC Confidentiality request letter	Cover Letter(s)	2021-07-01	PDF 58.1 KB
FCC RF exposure evaluation	RF Exposure Info	2021-07-01	PDF 653.7 KB
Block diagram Metadata only	Block Diagram		PDF 11.4 KB
Schematic Metadata only	Schematics		PDF 39.4 KB
Schematic Metadata only	Schematics		PDF 24.7 KB
Operation description Metadata only	Operational Description		PDF 15.2 KB

Application Information

Application ID	RnDHkxYbYeZbZgmgcLCdPQ==
Final Action Date	2021-10-14
Application Purpose	Class II permissive change or modification of presently authorized equipment
Applicant FRN	0030999692
Model	SWA14-2101
Frequency Range	2402-2480 MHz
Equipment Class	DSS - Part 15 Spread Spectrum Transmitter
Device Description	Du smart buds
Responsible Party	Jun Jin, jinjun08@baidu.com , +86-177-0220-2342
Test Firm	Mr. Jamy Yu, Dongguan Dongdian Testing Service Co., Ltd., jamy@dgieie.com , +86-0769-89201646
TCB Email	tcb-essen@cetecom.com
TCB Scope	A4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term Confidentiality	Yes
Short-Term Confidentiality Date	04/12/2022
Long-Term Confidentiality	Yes
Grant Deferral	No
Modular Equipment	Does not apply
Composite Device	Yes
Composite Part	No
Cognitive Radio	No
Authorization Waiver	No
Authorization Waiver Approved	No
Section 5301 Certification	Yes
Related OET Knowledge DataBase Inquiry	No
Grant Comments	Class II Permissive change: Added NTC resistance to protect the charging circuit. Output power listed is peak conducted.

Applications

Application ID	Date	Purpose
RnDHkxYbYeZbZgmgcLCdPQ==	2021-10-14	Class II permissive change or modification of presently authorized equipment
K2nJNQA7GqSkKjge0eqyxQ==	2021-10-14	Class II permissive change or modification of presently authorized equipment
fP+8SGlwDpWsKuXS8lvnMw==	2021-07-01	Original Equipment
OJKirlcFDirX6xznFdYfNg==	2021-07-01	Original Equipment

Equipment Authorization

Frequency	Output	Rules
2402-2480 MHz	0.0009500	15C
2402-2480 MHz	0.0009600	15C

Grants

TCB Grant - Application RnDHkxYbYeZbZgmgcLCdPQ==

TCB	GRANT OF EQUIPMENT AUTHORIZATION	TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

CETECOM GmbH
Im Teelbruch 116
45219 Essen,
Germany

Date of Grant: 10/14/2021

Application Dated: 10/14/2021

Shanghai Xiaodu Technology Limited

jinjun08@baidu.com

Shanghai,
China

Attention: Jun Jin

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	2AZ7R-SWA14-2101

Name of Grantee:	Shanghai Xiaodu Technology Limited

Equipment Class:	Part 15 Spread Spectrum Transmitter
Notes:	Du smart buds

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.00096

Class II Permissive change: Added NTC resistance to protect the charging circuit. Output power listed is peak conducted.

EAS Grant - Application RnDHkxYbYeZbZgmgcLCdPQ==

COPY	FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION	COPY
Certification

Shanghai Xiaodu Technology Limited
jinjun08@baidu.com
Shanghai,
China

Date of Grant: 10/14/2021

Application Dated: 10/14/2021

Attention: Jun Jin

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	2AZ7R-SWA14-2101

Name of Grantee:	Shanghai Xiaodu Technology Limited

Equipment Class:	Part 15 Spread Spectrum Transmitter
Notes:	Du smart buds
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.00096

Class II Permissive change: Added NTC resistance to protect the charging circuit. Output power listed is peak conducted.

TCB Grant - Application OJKirlcFDirX6xznFdYfNg==

Mail To:

TCB	GRANT OF EQUIPMENT AUTHORIZATION	TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

CETECOM GmbH
Im Teelbruch 116
45219 Essen,
Germany

Date of Grant: 07/01/2021

Application Dated: 07/01/2021

Shanghai Xiaodu Technology Limited

jinjun08@baidu.com

Shanghai,
China

Attention: Jun Jin

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	2AZ7R-SWA14-2101

Name of Grantee:	Shanghai Xiaodu Technology Limited

Equipment Class:	Part 15 Spread Spectrum Transmitter
Notes:	Du smart buds

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.00096

Output power listed is peak conducted.

EAS Grant - Application OJKirlcFDirX6xznFdYfNg==

COPY	FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION	COPY
Certification

Shanghai Xiaodu Technology Limited
jinjun08@baidu.com
Shanghai,
China

Date of Grant: 07/01/2021

Application Dated: 07/01/2021

Attention: Jun Jin

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	2AZ7R-SWA14-2101

Name of Grantee:	Shanghai Xiaodu Technology Limited

Equipment Class:	Part 15 Spread Spectrum Transmitter
Notes:	Du smart buds
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.00096

Output power listed is peak conducted.

TCB Grant - Application K2nJNQA7GqSkKjge0eqyxQ==

Mail To:

TCB	GRANT OF EQUIPMENT AUTHORIZATION	TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

CETECOM GmbH
Im Teelbruch 116
45219 Essen,
Germany

Date of Grant: 10/14/2021

Application Dated: 10/14/2021

Shanghai Xiaodu Technology Limited

jinjun08@baidu.com

Shanghai,
China

Attention: Jun Jin

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	2AZ7R-SWA14-2101

Name of Grantee:	Shanghai Xiaodu Technology Limited

Equipment Class:	Digital Transmission System
Notes:	Du smart buds

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.00095

Class II Permissive change: Added NTC resistance to protect the charging circuit. Output power listed is peak conducted.

EAS Grant - Application K2nJNQA7GqSkKjge0eqyxQ==

COPY	FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION	COPY
Certification

Shanghai Xiaodu Technology Limited
jinjun08@baidu.com
Shanghai,
China

Date of Grant: 10/14/2021

Application Dated: 10/14/2021

Attention: Jun Jin

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	2AZ7R-SWA14-2101

Name of Grantee:	Shanghai Xiaodu Technology Limited

Equipment Class:	Digital Transmission System
Notes:	Du smart buds
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.00095

Class II Permissive change: Added NTC resistance to protect the charging circuit. Output power listed is peak conducted.

TCB Grant - Application fP+8SGlwDpWsKuXS8lvnMw==

Mail To:

TCB	GRANT OF EQUIPMENT AUTHORIZATION	TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

CETECOM GmbH
Im Teelbruch 116
45219 Essen,
Germany

Date of Grant: 07/01/2021

Application Dated: 07/01/2021

Shanghai Xiaodu Technology Limited

jinjun08@baidu.com

Shanghai,
China

Attention: Jun Jin

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	2AZ7R-SWA14-2101

Name of Grantee:	Shanghai Xiaodu Technology Limited

Equipment Class:	Digital Transmission System
Notes:	Du smart buds

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.00095

Output power listed is peak conducted.

EAS Grant - Application fP+8SGlwDpWsKuXS8lvnMw==

COPY	FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION	COPY
Certification

Shanghai Xiaodu Technology Limited
jinjun08@baidu.com
Shanghai,
China

Date of Grant: 07/01/2021

Application Dated: 07/01/2021

Attention: Jun Jin

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	2AZ7R-SWA14-2101

Name of Grantee:	Shanghai Xiaodu Technology Limited

Equipment Class:	Digital Transmission System
Notes:	Du smart buds
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.00095

Output power listed is peak conducted.

Mail To: