FCC ID 2ASAL-2103

LEDGER STAX

by LEDGER SAS

Grantee Code: 2ASAL Product Code: 2103

Latest application date: 2025-09-12

FCC ID Device Details

FCC ID	2ASAL-2103
Mirrors	fcc.id \| gov \| fccid.ai
Grantee Code	2ASAL
Product Code	2103
Applicant Business	LEDGER SAS 🇫🇷
Related Domains	ledger.fr
Equipment Class	LEDGER STAX
Test Firm	SGS Taiwan Ltd. Central RF Lab

Operating Frequencies

Frequency Range	Application Purpose	Final Action Date
13.56 MHz	Class II permissive change or modification of presently authorized equipment	2025-09-12
13.56 MHz	Class II permissive change or modification of presently authorized equipment	2024-10-30
2402-2480 MHz	Class II permissive change or modification of presently authorized equipment	2024-10-25
2402-2480 MHz	Original Equipment	2023-01-31
13.56 MHz	Original Equipment	2023-01-31

Exhibits

Document	Type	Available	File
User Manual	Users Manual	2023-07-30	PDF 830.2 KB
User Manual Regulatory	Users Manual	2023-07-30	PDF 810.7 KB
Internal Photos	Internal Photos	2026-03-11	PDF 1.2 MB
Internal Photos	Internal Photos	2025-04-28	PDF 1.1 MB
Internal Photos	Internal Photos	2023-07-30	PDF 832.4 KB
External Photo	External Photos	2026-03-11	PDF 692.8 KB
External Photos	External Photos	2025-04-28	PDF 587.5 KB
Antenna EUT	External Photos	2023-07-30	PDF 172 KB
External Photos	External Photos	2023-07-30	PDF 520.5 KB
E-Label Letter	ID Label/Location Info	2024-10-30	PDF 173.3 KB
Label Information	ID Label/Location Info	2024-10-25	PDF 173.3 KB
E-Label	ID Label/Location Info	2023-01-31	PDF 356.9 KB
Tsup Photos	Test Setup Photos	2026-03-11	PDF 407.6 KB
Test Setup Photos	Test Setup Photos	2025-04-28	PDF 480.9 KB
Test Setup Photos Antenna	Test Setup Photos	2025-04-28	PDF 425.7 KB
TSUP	Test Setup Photos	2025-04-23	PDF 480.9 KB
TSUP Antenna	Test Setup Photos	2025-04-23	PDF 425.7 KB
TSUP	Test Setup Photos	2023-07-30	PDF 882.1 KB
TSUP Antenna	Test Setup Photos	2023-07-30	PDF 153.6 KB
Test Report	Test Report	2025-09-12	PDF 2.3 MB
Antenna Datasheet	Test Report	2024-10-30	PDF 401.9 KB
Test Report	Test Report	2024-10-30	PDF 1.4 MB
Test Report BLE	Test Report	2024-10-25	PDF 2.4 MB
Test Report Antenna	Test Report	2023-01-31	PDF 405.3 KB
Test Report BLE	Test Report	2023-01-31	PDF 2.9 MB
Test Report NFC	Test Report	2023-01-31	PDF 827.4 KB
Attestation Statement 2.911(d)(7)	Attestation Statements	2025-09-12	PDF 289.7 KB
Attsttn Sttmnts 2.911(d)(5)(i) & (ii)	Attestation Statements	2025-09-12	PDF 291.3 KB
Attestation Statement Part 2.911(d)(7)	Attestation Statements	2024-10-30	PDF 289.7 KB
Attstn Stmts Part 2.911(d)(5)(i)&(ii)	Attestation Statements	2024-10-30	PDF 243.1 KB
Attstn Stmts 2.911(d)(5)(i)&(ii)	Attestation Statements	2024-10-25	PDF 243.1 KB
Agent Authorization	Cover Letter(s)	2025-09-12	PDF 200.5 KB
Confidential Request	Cover Letter(s)	2025-09-12	PDF 358.5 KB
Permissive Change Request	Cover Letter(s)	2025-09-12	PDF 205.1 KB
Agent Auth Letter	Cover Letter(s)	2024-10-30	PDF 226.6 KB
Confidentiality Request Letter	Cover Letter(s)	2024-10-30	PDF 317.2 KB
Permissive Change Letter	Cover Letter(s)	2024-10-30	PDF 238.2 KB
Authorization Letter	Cover Letter(s)	2024-10-25	PDF 226.6 KB
C2PC Letter	Cover Letter(s)	2024-10-25	PDF 238.2 KB
Confidentiality Letter	Cover Letter(s)	2024-10-25	PDF 317.2 KB
Confidentiality Letter	Cover Letter(s)	2023-01-31	PDF 72.3 KB
LOA Letter	Cover Letter(s)	2023-01-31	PDF 35.8 KB
RF Exposure Info	RF Exposure Info	2025-09-12	PDF 1.6 MB
SAR Report NFC Metadata only	RF Exposure Info	2025-09-12	PDF 1.6 MB
RF Exposure	RF Exposure Info	2024-10-30	PDF 418.8 KB
RF Exposure MPE	RF Exposure Info	2023-01-31	PDF 420.1 KB
Block Diagram Metadata only	Block Diagram		PDF 983.3 KB
Block Diagram Metadata only	Block Diagram		PDF 76.6 KB
Schematics Metadata only	Schematics		PDF 1.4 MB
Schematics Metadata only	Schematics		PDF 2.1 MB
Schematics Config 1 Metadata only	Schematics		PDF 1.8 MB
Schematics Config 2 Metadata only	Schematics		PDF 1.8 MB
Operational Description Metadata only	Operational Description		PDF 66.3 KB
Operational Description Metadata only	Operational Description		PDF 553.5 KB
Operational Description Metadata only	Operational Description		PDF 69.1 KB
BOM Metadata only	Parts List/Tune Up Info		PDF 93.4 KB
Parts List BOM 1 Metadata only	Parts List/Tune Up Info		PDF 179.3 KB
Parts List BOM 2 Metadata only	Parts List/Tune Up Info		PDF 180 KB

Application Information

Application ID	+rA8C3rwEg2lZfrOHndtaQ==
Final Action Date	2025-09-12
Application Purpose	Class II permissive change or modification of presently authorized equipment
Applicant FRN	0028153070
Model	2103
Frequency Range	13.56 MHz
Equipment Class	DXX - Part 15 Low Power Communication Device Transmitter
Device Description	LEDGER STAX
Responsible Party	Antoine Thibault, antoine.thibault@ledger.fr , +33670014211
Test Firm	Ryan WANG, SGS Taiwan Ltd. Central RF Lab, ryan-ec.wang@sgs.com , 886222993279
TCB Email	tei@timcoengr.com
TCB Scope	A1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices
Short-Term Confidentiality	Yes
Long-Term Confidentiality	Yes
Modular Equipment	Does not apply
Composite Device	Yes
Cognitive Radio	No
Authorization Waiver	No
Authorization Waiver Approved	No
Section 5301 Certification	Yes
Related OET Knowledge DataBase Inquiry	No

Applications

Application ID	Date	Purpose
+rA8C3rwEg2lZfrOHndtaQ==	2025-09-12	Class II permissive change or modification of presently authorized equipment
UIXloJhWjxGu1YXtBVtf1A==	2024-10-30	Class II permissive change or modification of presently authorized equipment
DbPWi3ADz2yNr3wJ3uBEmA==	2024-10-25	Class II permissive change or modification of presently authorized equipment
LHj4htQLRDSNMG27BNG+1Q==	2023-01-31	Original Equipment
9RlEHH3ITVaNWLScGwj6fg==	2023-01-31	Original Equipment

Equipment Authorization

Frequency	Output	Rules
13.56 MHz		15C
2402-2480 MHz	0.0010000	15C

Grants

TCB Grant - Application UIXloJhWjxGu1YXtBVtf1A==

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

Timco Engineering, Inc.
13146 NW 86th Drive Suite 400
Alachua, FL 32615

Date of Grant: 10/30/2024

Application Dated: 10/29/2024

LEDGER SAS

106, rue du Temple

Paris, 75003
France

Attention: Antoine Thibault , General Council

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:	2ASAL-2103

Name of Grantee:	LEDGER SAS

Equipment Class:	Part 15 Low Power Communication Device Transmitter
Notes:	LEDGER STAX

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	13.56 - 13.56

Class II Change alternate NFC antenna.

EAS Grant - Application UIXloJhWjxGu1YXtBVtf1A==

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

LEDGER SAS
106, rue du Temple
Paris, 75003
France

Date of Grant: 10/30/2024

Application Dated: 10/29/2024

Attention: Antoine Thibault , General Council

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:	2ASAL-2103

Name of Grantee:	LEDGER SAS

Equipment Class:	Part 15 Low Power Communication Device Transmitter
Notes:	LEDGER STAX
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	13.56 - 13.56

Class II Change alternate NFC antenna.

TCB Grant - Application LHj4htQLRDSNMG27BNG+1Q==

Mail To:

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

Timco Engineering, Inc.
849 NW State Road 45
Newberry, FL 32669

Date of Grant: 01/31/2023

Application Dated: 01/20/2023

LEDGER SAS

1 rue du Mail, 75002 Paris, France

Paris, 75002
France

Attention: Antoine Thibault , General Council

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:	2ASAL-2103

Name of Grantee:	LEDGER SAS

Equipment Class:	Digital Transmission System
Notes:	LEDGER STAX

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.001

Output Power listed is conducted.

EAS Grant - Application LHj4htQLRDSNMG27BNG+1Q==

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

LEDGER SAS
1 rue du Mail, 75002 Paris, France
Paris, 75002
France

Date of Grant: 01/31/2023

Application Dated: 01/20/2023

Attention: Antoine Thibault , General Council

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:	2ASAL-2103

Name of Grantee:	LEDGER SAS

Equipment Class:	Digital Transmission System
Notes:	LEDGER STAX
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.001

Output Power listed is conducted.

TCB Grant - Application DbPWi3ADz2yNr3wJ3uBEmA==

Mail To:

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

Timco Engineering, Inc.
13146 NW 86th Drive Suite 400
Alachua, FL 32615

Date of Grant: 10/25/2024

Application Dated: 10/22/2024

LEDGER SAS

106, rue du Temple

Paris, 75003
France

Attention: Antoine Thibault , General Council

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:	2ASAL-2103

Name of Grantee:	LEDGER SAS

Equipment Class:	Digital Transmission System
Notes:	LEDGER STAX

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.001

Output Power listed is conducted. Class II Change alternate NFC antenna.

EAS Grant - Application DbPWi3ADz2yNr3wJ3uBEmA==

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

LEDGER SAS
106, rue du Temple
Paris, 75003
France

Date of Grant: 10/25/2024

Application Dated: 10/22/2024

Attention: Antoine Thibault , General Council

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:	2ASAL-2103

Name of Grantee:	LEDGER SAS

Equipment Class:	Digital Transmission System
Notes:	LEDGER STAX
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	2402.0 - 2480.0	0.001

Output Power listed is conducted. Class II Change alternate NFC antenna.

TCB Grant - Application 9RlEHH3ITVaNWLScGwj6fg==

Mail To:

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

Timco Engineering, Inc.
849 NW State Road 45
Newberry, FL 32669

Date of Grant: 01/31/2023

Application Dated: 01/20/2023

LEDGER SAS

1 rue du Mail, 75002 Paris, France

Paris, 75002
France

Attention: Antoine Thibault , General Council

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:	2ASAL-2103

Name of Grantee:	LEDGER SAS

Equipment Class:	Part 15 Low Power Communication Device Transmitter
Notes:	LEDGER STAX

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	13.56 - 13.56

EAS Grant - Application 9RlEHH3ITVaNWLScGwj6fg==

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

LEDGER SAS
1 rue du Mail, 75002 Paris, France
Paris, 75002
France

Date of Grant: 01/31/2023

Application Dated: 01/20/2023

Attention: Antoine Thibault , General Council

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:	2ASAL-2103

Name of Grantee:	LEDGER SAS

Equipment Class:	Part 15 Low Power Communication Device Transmitter
Notes:	LEDGER STAX
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	13.56 - 13.56

TCB Grant - Application +rA8C3rwEg2lZfrOHndtaQ==

Mail To:

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

IIA Lab Services, LLC
13146 NW 86th Drive Suite 400
Alachua, FL 32615

Date of Grant: 09/12/2025

Application Dated: 09/09/2025

LEDGER SAS

106, rue du Temple

Paris, 75003
France

Attention: Antoine Thibault , General Council

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:	2ASAL-2103

Name of Grantee:	LEDGER SAS

Equipment Class:	Part 15 Low Power Communication Device Transmitter
Notes:	LEDGER STAX

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	15C	13.56 - 13.56

Class II Permissive Change: Addition of a boost IC to enhance power management efficiency. Change in the NFC IC power source to improve operational stability. Modification of the antenna matching structure to optimize performance.