FCC ID 2ADYYB2

Wireless Earphone

by TECNO MOBILE LIMITED

Grantee Code: 2ADYY Product Code: B2

Latest application date: 2022-12-29

FCC ID Device Details

FCC ID	2ADYYB2
Mirrors	fcc.id \| gov \| fccid.ai
Grantee Code	2ADYY
Product Code	B2
Applicant Business	TECNO MOBILE LIMITED
Related Domains	transsion.com
Equipment Class	Wireless Earphone
Test Firm	Shenzhen Accurate Technology Co., Ltd.

Operating Frequencies

Frequency Range	Application Purpose	Final Action Date
2402-2480 MHz	Original Equipment	2022-12-29
2402-2480 MHz	Original Equipment	2022-12-29
824.2-848.8 MHz	Original Equipment	2018-11-28
2402-2480 MHz	Original Equipment	2018-11-28
2402-2480 MHz	Original Equipment	2018-11-28

Exhibits

Document	Type	Available	File
User Manual	Users Manual	2023-06-27	PDF 1.7 MB
Users Manual	Users Manual	2019-01-12	PDF 379.6 KB
user manual	Users Manual	2019-01-12	PDF 379.6 KB
Internal Photos	Internal Photos	2023-06-27	PDF 1.5 MB
Internal photos	Internal Photos	2019-01-12	PDF 1,010.7 KB
External Photos	External Photos	2023-06-27	PDF 686.7 KB
External photos	External Photos	2019-01-12	PDF 477.1 KB
Label & Label Location	ID Label/Location Info	2022-12-29	PDF 152.3 KB
Label&Label Location	ID Label/Location Info	2018-11-28	PDF 231.2 KB
Test Setup Photos	Test Setup Photos	2023-06-27	PDF 178.1 KB
SAR Test Setup Photos	Test Setup Photos	2019-01-12	PDF 1.2 MB
Test Setup Photo	Test Setup Photos	2019-01-12	PDF 153.8 KB
Test Setup Photos	Test Setup Photos	2019-01-12	PDF 153.8 KB
Test Setup Photos	Test Setup Photos	2019-01-12	PDF 126.3 KB
Test Setup Photos	Test Setup Photos	2019-01-12	PDF 287.7 KB
Antenna Report	Test Report	2022-12-29	PDF 1.4 MB
Test Report	Test Report	2022-12-29	PDF 5.3 MB
Test Report	Test Report	2022-12-29	PDF 2.8 MB
Test Report	Test Report	2018-11-28	PDF 3.9 MB
Test Report	Test Report	2018-11-28	PDF 3.6 MB
Test Report	Test Report	2018-11-28	PDF 2.4 MB
Test Report BLE	Test Report	2018-11-28	PDF 3.1 MB
Test Report Wi-Fi	Test Report	2018-11-28	PDF 3.5 MB
FCC Agent Authorization Letter	Cover Letter(s)	2022-12-29	PDF 13.3 KB
FCC Long-term and Short-term Confidential Authorization	Cover Letter(s)	2022-12-29	PDF 104 KB
Agent Authorization Letter	Cover Letter(s)	2018-11-28	PDF 9.9 KB
Long Term Confidentiality Request Letter	Cover Letter(s)	2018-11-28	PDF 94.6 KB
Short Term Confidentiality Request Letter	Cover Letter(s)	2018-11-28	PDF 114.7 KB
RF Exposure	RF Exposure Info	2022-12-29	PDF 192.2 KB
RF Exposure	RF Exposure Info	2022-12-29	PDF 192.3 KB
SAR Report	RF Exposure Info	2018-11-28	PDF 5.5 MB
Block Diagram Metadata only	Block Diagram		PDF 112.4 KB
Block diagram Metadata only	Block Diagram		PDF 153.9 KB
Schematic Diagram Metadata only	Schematics		PDF 298.7 KB
Schematics Metadata only	Schematics		PDF 352.3 KB
Operation Description Metadata only	Operational Description		PDF 56.5 KB
Operational Description Metadata only	Operational Description		PDF 90.2 KB
BOM Main Metadata only	Parts List/Tune Up Info		PDF 92.9 KB
BOM Sub Metadata only	Parts List/Tune Up Info		PDF 76.4 KB
Tune Up procedure Metadata only	Parts List/Tune Up Info		PDF 83.6 KB

Application Information

Application ID	tlW7U0LUDYLNtxsmKcBU+A==
Final Action Date	2022-12-29
Application Purpose	Original Equipment
Applicant FRN	0024206328
Model	B2
Frequency Range	2402-2480 MHz
Equipment Class	DTS - Digital Transmission System
Device Description	Wireless Earphone
Responsible Party	Yiting Luo, yiting.luo@transsion.com , 86-755-61803856
Test Firm	Lisa Zhang, Shenzhen Accurate Technology Co., Ltd., qa@atc-lab.com , +86-755-26503290
TCB Email	bacl.regulatory@baclcorp.com
TCB Scope	A4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term Confidentiality	Yes
Short-Term Confidentiality Date	06/27/2023
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	Power output listed is peak conducted.

Applications

Application ID	Date	Purpose
tlW7U0LUDYLNtxsmKcBU+A==	2022-12-29	Original Equipment
O+dyNMFZ12NaD9dUuvMYcg==	2022-12-29	Original Equipment
wwLBioopr3aoIUJRqpY2+A==	2018-11-28	Original Equipment
d63UCsnGRng1iaqe9k8Dxg==	2018-11-28	Original Equipment
cEgKOtZdHVvMHUDrR3eYWQ==	2018-11-28	Original Equipment
+9rO8iWFwkDuuyrKbfsO2w==	2018-11-28	Original Equipment

Equipment Authorization

Frequency	Output	Tolerance	Emission	Rules	Grant Notes
				15B	CC
824.2-848.8 MHz	1.406	0.048ppm	247KGXW	22H
824.2-848.8 MHz	0.2618	0.049ppm	248KG7W	22H
826.4-846.6 MHz	0.1151	0.047ppm	4M18F9W	22H
1850.2-1909.8 MHz	0.5984	0.021ppm	247KGXW	24E
1850.2-1909.8 MHz	0.1542	0.021ppm	248KG7W	24E
1852.4-1907.6 MHz	0.1225	0.021ppm	4M17F9W	24E
2402-2480 MHz	0.0024000			15C	CC
2402-2480 MHz	0.0027			15C	CC
2402-2480 MHz	0.0018000			15C
2402-2480 MHz	0.0017000			15C
2412-2462 MHz	0.0564			15C	CC

Grants

TCB Grant - Application wwLBioopr3aoIUJRqpY2+A==

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

Eurofins Electrical and Electronic Testing NA, Inc
914 W. Patapsco Avenue
Baltimore, MD 21230-3432

Date of Grant: 11/28/2018

Application Dated: 11/28/2018

TECNO MOBILE LIMITED

FLAT 39 8/F BLOCK D WAH LOK INDUSTRIAL

CENTRE 31-35 SHAN MEI STREET FOTAN NT

NT,
Hong Kong

Attention: Yiting Luo

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:	2ADYY-B2

Name of Grantee:	TECNO MOBILE LIMITED

Equipment Class:	Part 15 Class B Computing Device Peripheral
Notes:	Mobile Phone

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15B	-

CC:	This device is certified pursuant to two different Part 15 rules sections.

EAS Grant - Application wwLBioopr3aoIUJRqpY2+A==

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

TECNO MOBILE LIMITED
FLAT 39 8/F BLOCK D WAH LOK INDUSTRIAL CENTRE 31-35 SHAN MEI STREET FOTAN NT
NT,
Hong Kong

Date of Grant: 11/28/2018

Application Dated: 11/28/2018

Attention: Yiting Luo

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:	2ADYY-B2

Name of Grantee:	TECNO MOBILE LIMITED

Equipment Class:	Part 15 Class B Computing Device Peripheral
Notes:	Mobile Phone
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15B	-

CC:	This device is certified pursuant to two different Part 15 rules sections.

TCB Grant - Application tlW7U0LUDYLNtxsmKcBU+A==

Mail To:

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

Bay Area Compliance Laboratories Corp.
1274 Anvilwood Avenue
Sunnyvale, CA 94089

Date of Grant: 12/29/2022

Application Dated: 12/29/2022

TECNO MOBILE LIMITED

FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL

CENTRE 19-25 SHAN MEI STREET FOTAN NT HONGKONG

NT,
Hong Kong

Attention: Yiting Luo

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:	2ADYYB2

Name of Grantee:	TECNO MOBILE LIMITED

Equipment Class:	Digital Transmission System
Notes:	Wireless Earphone

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.0017

Power output listed is peak conducted.

EAS Grant - Application tlW7U0LUDYLNtxsmKcBU+A==

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

TECNO MOBILE LIMITED
FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL CENTRE 19-25 SHAN MEI STREET FOTAN NT HONGKONG
NT,
Hong Kong

Date of Grant: 12/29/2022

Application Dated: 12/29/2022

Attention: Yiting Luo

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:	2ADYYB2

Name of Grantee:	TECNO MOBILE LIMITED

Equipment Class:	Digital Transmission System
Notes:	Wireless Earphone
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.0017

Power output listed is peak conducted.

TCB Grant - Application O+dyNMFZ12NaD9dUuvMYcg==

Mail To:

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

Bay Area Compliance Laboratories Corp.
1274 Anvilwood Avenue
Sunnyvale, CA 94089

Date of Grant: 12/29/2022

Application Dated: 12/29/2022

TECNO MOBILE LIMITED

FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL

CENTRE 19-25 SHAN MEI STREET FOTAN NT HONGKONG

NT,
Hong Kong

Attention: Yiting Luo

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:	2ADYYB2

Name of Grantee:	TECNO MOBILE LIMITED

Equipment Class:	Part 15 Spread Spectrum Transmitter
Notes:	Wireless Earphone

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.0018

Power output listed is peak conducted.

EAS Grant - Application O+dyNMFZ12NaD9dUuvMYcg==

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

TECNO MOBILE LIMITED
FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL CENTRE 19-25 SHAN MEI STREET FOTAN NT HONGKONG
NT,
Hong Kong

Date of Grant: 12/29/2022

Application Dated: 12/29/2022

Attention: Yiting Luo

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:	2ADYYB2

Name of Grantee:	TECNO MOBILE LIMITED

Equipment Class:	Part 15 Spread Spectrum Transmitter
Notes:	Wireless Earphone
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.0018

Power output listed is peak conducted.

TCB Grant - Application d63UCsnGRng1iaqe9k8Dxg==

Mail To:

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

Eurofins Electrical and Electronic Testing NA, Inc
914 W. Patapsco Avenue
Baltimore, MD 21230-3432

Date of Grant: 11/28/2018

Application Dated: 11/28/2018

TECNO MOBILE LIMITED

FLAT 39 8/F BLOCK D WAH LOK INDUSTRIAL

CENTRE 31-35 SHAN MEI STREET FOTAN NT

NT,
Hong Kong

Attention: Yiting Luo

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:	2ADYY-B2

Name of Grantee:	TECNO MOBILE LIMITED

Equipment Class:	PCS Licensed Transmitter held to ear
Notes:	Mobile Phone

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	22H	824.2 - 848.8	1.406	0.048 PM	247KGXW
	22H	824.2 - 848.8	0.2618	0.049 PM	248KG7W
	24E	1850.2 - 1909.8	0.5984	0.021 PM	247KGXW
	24E	1850.2 - 1909.8	0.1542	0.021 PM	248KG7W
	24E	1852.4 - 1907.6	0.1225	0.021 PM	4M17F9W
	22H	826.4 - 846.6	0.1151	0.047 PM	4M18F9W

Output power listed is ERP for frequencies below 1 GHz and EIRP for frequencies above 1 GHz. This device contains functions that are not operational in U.S. Territories; this filing is applicable only for the operations described in this filing. Highest reported SAR for Head, Body, product specific (wireless router), simultaneous transmit are: 0.21 W/kg, 0.71 W/kg, 0.71 W/kg, 0.88 W/kg, respectively.

EAS Grant - Application d63UCsnGRng1iaqe9k8Dxg==

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

TECNO MOBILE LIMITED
FLAT 39 8/F BLOCK D WAH LOK INDUSTRIAL CENTRE 31-35 SHAN MEI STREET FOTAN NT
NT,
Hong Kong

Date of Grant: 11/28/2018

Application Dated: 11/28/2018

Attention: Yiting Luo

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:	2ADYY-B2

Name of Grantee:	TECNO MOBILE LIMITED

Equipment Class:	PCS Licensed Transmitter held to ear
Notes:	Mobile Phone
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	22H	824.2 - 848.8	1.406	0.048 PM	247KGXW
	22H	824.2 - 848.8	0.2618	0.049 PM	248KG7W
	24E	1850.2 - 1909.8	0.5984	0.021 PM	247KGXW
	24E	1850.2 - 1909.8	0.1542	0.021 PM	248KG7W
	24E	1852.4 - 1907.6	0.1225	0.021 PM	4M17F9W
	22H	826.4 - 846.6	0.1151	0.047 PM	4M18F9W

TCB Grant - Application cEgKOtZdHVvMHUDrR3eYWQ==

Mail To:

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

Eurofins Electrical and Electronic Testing NA, Inc
914 W. Patapsco Avenue
Baltimore, MD 21230-3432

Date of Grant: 11/28/2018

Application Dated: 11/28/2018

TECNO MOBILE LIMITED

FLAT 39 8/F BLOCK D WAH LOK INDUSTRIAL

CENTRE 31-35 SHAN MEI STREET FOTAN NT

NT,
Hong Kong

Attention: Yiting Luo

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:	2ADYY-B2

Name of Grantee:	TECNO MOBILE LIMITED

Equipment Class:	Digital Transmission System
Notes:	Mobile Phone

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15C	2402.0 - 2480.0	0.0027
CC	15C	2412.0 - 2462.0	0.0564

Output Power listed is conducted. Highest reported SAR for Head, Body, product specific (wireless router), simultaneous transmit are: 0.61 W/kg, 0.17 W/kg, 0.17 W/kg, 0.88 W/kg, respectively.

CC:	This device is certified pursuant to two different Part 15 rules sections.

EAS Grant - Application cEgKOtZdHVvMHUDrR3eYWQ==

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

TECNO MOBILE LIMITED
FLAT 39 8/F BLOCK D WAH LOK INDUSTRIAL CENTRE 31-35 SHAN MEI STREET FOTAN NT
NT,
Hong Kong

Date of Grant: 11/28/2018

Application Dated: 11/28/2018

Attention: Yiting Luo

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:	2ADYY-B2

Name of Grantee:	TECNO MOBILE LIMITED

Equipment Class:	Digital Transmission System
Notes:	Mobile Phone
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15C	2402.0 - 2480.0	0.0027
CC	15C	2412.0 - 2462.0	0.0564

Output Power listed is conducted. Highest reported SAR for Head, Body, product specific (wireless router), simultaneous transmit are: 0.61 W/kg, 0.17 W/kg, 0.17 W/kg, 0.88 W/kg, respectively.

CC:	This device is certified pursuant to two different Part 15 rules sections.

TCB Grant - Application +9rO8iWFwkDuuyrKbfsO2w==

Mail To:

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

Eurofins Electrical and Electronic Testing NA, Inc
914 W. Patapsco Avenue
Baltimore, MD 21230-3432

Date of Grant: 11/28/2018

Application Dated: 11/28/2018

TECNO MOBILE LIMITED

FLAT 39 8/F BLOCK D WAH LOK INDUSTRIAL

CENTRE 31-35 SHAN MEI STREET FOTAN NT

NT,
Hong Kong

Attention: Yiting Luo

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:	2ADYY-B2

Name of Grantee:	TECNO MOBILE LIMITED

Equipment Class:	Part 15 Spread Spectrum Transmitter
Notes:	Mobile Phone

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15C	2402.0 - 2480.0	0.0024

Output Power listed is conducted.

CC:	This device is certified pursuant to two different Part 15 rules sections.

EAS Grant - Application +9rO8iWFwkDuuyrKbfsO2w==

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

TECNO MOBILE LIMITED
FLAT 39 8/F BLOCK D WAH LOK INDUSTRIAL CENTRE 31-35 SHAN MEI STREET FOTAN NT
NT,
Hong Kong

Date of Grant: 11/28/2018

Application Dated: 11/28/2018

Attention: Yiting Luo

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:	2ADYY-B2

Name of Grantee:	TECNO MOBILE LIMITED

Equipment Class:	Part 15 Spread Spectrum Transmitter
Notes:	Mobile Phone
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15C	2402.0 - 2480.0	0.0024

Output Power listed is conducted.

CC:	This device is certified pursuant to two different Part 15 rules sections.

Mail To: