FCC ID SM6-LMXR

LFM Transceiver Module

by Mueller Systems, LLC

Grantee Code: SM6   Product Code: LMXR
Latest application date: 2025-08-29

FCC ID Device Details

FCC IDSM6-LMXR
Mirrorsfcc.id | gov | fccid.ai
Grantee CodeSM6
Product CodeLMXR
Applicant BusinessMueller Systems, LLC 🇺🇸
Related Domains muellerwp.com
Equipment ClassLFM Transceiver Module
Test FirmTUV SUD America, Inc.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
912.31-927.012 MHzClass II permissive change or modification of presently authorized equipment2025-08-29
903.65-915.726 MHzClass II permissive change or modification of presently authorized equipment2025-08-29
912.31-927.012 MHzClass II permissive change or modification of presently authorized equipment2015-08-03
903.65-915.726 MHzClass II permissive change or modification of presently authorized equipment2015-08-03
912.31-927.012 MHzOriginal Equipment2015-04-06
903.65-915.726 MHzOriginal Equipment2015-04-06

Exhibits

DocumentTypeAvailableFile
ManualUsers Manual2015-08-03PDF 380.5 KB
ManualUsers Manual2015-04-06PDF 378.3 KB
Internal PhotosInternal Photos2015-08-03PDF 1.5 MB
Internal PhotosInternal Photos2015-04-06PDF 771.6 KB
External PhotosExternal Photos2025-08-29PDF 721.7 KB
External PhotosExternal Photos2015-08-03PDF 3.6 MB
External PhotosExternal Photos2015-04-06PDF 3.1 MB
Label InformationID Label/Location Info2015-04-06PDF 210.2 KB
Test Setup PhotosTest Setup Photos2025-08-29PDF 413.2 KB
Test Setup PhotosTest Setup Photos2015-08-03PDF 759.5 KB
Test Setup PhotosTest Setup Photos2015-04-06PDF 974.8 KB
Test ReportTest Report2025-08-29PDF 900.8 KB
Test ReportTest Report2025-08-29PDF 850.2 KB
Test ReportTest Report2025-08-29PDF 900.2 KB
Test ReportTest Report2025-08-29PDF 849.6 KB
Test ReportTest Report2015-08-03PDF 405.1 KB
Test ReportTest Report2015-08-03PDF 305.7 KB
Test ReportTest Report2015-04-06PDF 1.2 MB
Test ReportTest Report2015-04-06PDF 892.1 KB
2.911(d)(5)(i)-(ii) Covered EquipmentAttestation Statements2025-08-29PDF 153.5 KB
2.911(d)(7) Agent of ServiceAttestation Statements2025-08-29PDF 119 KB
Agency AgreementCover Letter(s)2025-08-29PDF 136.8 KB
C2PC Cover LetterCover Letter(s)2025-08-29PDF 106.6 KB
Agency AgreementCover Letter(s)2015-08-03PDF 641.9 KB
Confidentiality RequestCover Letter(s)2015-08-03PDF 643.7 KB
FCC Cover LetterCover Letter(s)2015-08-03PDF 668 KB
Agency AgreementCover Letter(s)2015-04-06PDF 636 KB
Confidentiality RequestCover Letter(s)2015-04-06PDF 637 KB
FCC Cover LetterCover Letter(s)2015-04-06PDF 12.8 KB
Modular Approval LetterCover Letter(s)2015-04-06PDF 1.3 MB
SAR ReportRF Exposure Info2025-08-29PDF 1.6 MB
RF ExposureRF Exposure Info2015-04-06PDF 43 KB
Block Diagram Metadata onlyBlock DiagramPDF 49.5 KB
Block Diagram Metadata onlyBlock DiagramPDF 49.5 KB
Schematics Metadata onlySchematicsPDF 317.2 KB
Schematics Metadata onlySchematicsPDF 469.5 KB
Theory of Operation Metadata onlyOperational DescriptionPDF 516.1 KB

Application Information

Application IDmDBpn0Zg0iMTB8OSiQPQXA==
Final Action Date2025-08-29
Application PurposeClass II permissive change or modification of presently authorized equipment
Applicant FRN0018474171
ModelLMXR
Frequency Range912.31-927.012 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionLFM Transceiver Module
Responsible PartyChris Kang, Sr. Director, Hardware & Firmware Engineering, CKang@muellerwp.com , 678-5164-496
AgentAnes Anes Anes, TUV SUD America
Test FirmWilliam Elliott, TUV SUD America, Inc., William.Elliott@tuvsud.com , 813-284-2736
TCB Emailjeff.woods@tuvsud.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
Long-Term ConfidentialityNo
Grant DeferralNo
Modular EquipmentLimited Single Modular Approval
Composite DeviceYes
Composite PartYes
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo
Grant CommentsPower Output listed is conducted. Limited Modular Approval. This device is limited to the hosts described in this filing. This device requires professional installation, the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 23 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures or as described in this filing. End-users and (professional) installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. C2PC to address integration into new portable host device. Co-located with FCC ID: A8TBM78ABCDEFGH within host device. The highest reported SAR for body exposure condition is 2.75 W/kg.

Applications

Application IDDatePurpose
mDBpn0Zg0iMTB8OSiQPQXA==2025-08-29Class II permissive change or modification of presently authorized equipment
4naJ9tziUKgZPYMksCwH3w==2025-08-29Class II permissive change or modification of presently authorized equipment
sQwHrqk8w1WtQJmsyZsVOA==2015-08-03Class II permissive change or modification of presently authorized equipment
LxEishaQ7J4cgKxBlDZf2g==2015-08-03Class II permissive change or modification of presently authorized equipment
u0AEhfdMWEICyJR0bQDRPw==2015-04-06Original Equipment
1gySS3YVC8DEhHR4vA18Cg==2015-04-06Original Equipment

Equipment Authorization

FrequencyOutputRules
903.65-915.726 MHz0.942000015C
903.65-915.726 MHz0.9420000
912.31-927.012 MHz0.995000015C
912.31-927.012 MHz0.9950000

Grants

TCB Grant - Application u0AEhfdMWEICyJR0bQDRPw==

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

  TUV SUD America Inc.
401 Edgewater Place Suite #500
Wakefield, MA 01880
Date of Grant: 04/06/2015

Application Dated: 04/06/2015
Mueller Systems, LLC
1200 Abernathy Road, NE
Suite 1200
Atlanta, GA 30328
 
Attention: Rob Zeppetelle , Sr. Director, Hardware & Firmware Engineering

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:  SM6-LMXR
Name of Grantee:  Mueller Systems, LLC
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: LFM Transceiver Module
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 912.310059  -  927.012451 0.995  

Power Output listed is conducted. Limited Modular Approval. This device is limited to the hosts described in this filing. This device requires professional installation, the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 23 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures or as described in this filing. End-users and (professional) installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

EAS Grant - Application u0AEhfdMWEICyJR0bQDRPw==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION
COPY
Certification

Mueller Systems, LLC
1200 Abernathy Road, NE Suite 1200
Atlanta, GA 30328
United States
  Date of Grant: 04/06/2015

Application Dated: 04/06/2015
 
Attention: Rob Zeppetelle , Sr. Director, Hardware & Firmware Engineering

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:  SM6-LMXR
Name of Grantee:  Mueller Systems, LLC
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: LFM Transceiver Module
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 912.310059  -  927.012451 0.995  

Power Output listed is conducted. Limited Modular Approval. This device is limited to the hosts described in this filing. This device requires professional installation, the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 23 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures or as described in this filing. End-users and (professional) installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.



TCB Grant - Application sQwHrqk8w1WtQJmsyZsVOA==

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

  TUV SUD America Inc.
401 Edgewater Place Suite #500
Wakefield, MA 01880
Date of Grant: 08/03/2015

Application Dated: 08/03/2015
Mueller Systems, LLC
1200 Abernathy Road, NE
Suite 1200
Atlanta, GA 30328
 
Attention: Rob Zeppetelle , Sr. Director, Hardware & Firmware Engineering

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:  SM6-LMXR
Name of Grantee:  Mueller Systems, LLC
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: LFM Transceiver Module
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 912.310059  -  927.012451 0.995  

Power Output listed is conducted. Limited Modular Approval. This device is limited to the hosts described in this filing. This device requires professional installation, the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 23 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures or as described in this filing. End-users and (professional) installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

Class II Change to add 2 new antenna types and PCB component value changes as described in this filing.


EAS Grant - Application sQwHrqk8w1WtQJmsyZsVOA==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION
COPY
Certification

Mueller Systems, LLC
1200 Abernathy Road, NE Suite 1200
Atlanta, GA 30328
United States
  Date of Grant: 08/03/2015

Application Dated: 08/03/2015
 
Attention: Rob Zeppetelle , Sr. Director, Hardware & Firmware Engineering

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:  SM6-LMXR
Name of Grantee:  Mueller Systems, LLC
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: LFM Transceiver Module
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 912.310059  -  927.012451 0.995  

Power Output listed is conducted. Limited Modular Approval. This device is limited to the hosts described in this filing. This device requires professional installation, the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 23 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures or as described in this filing. End-users and (professional) installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

Class II Change to add 2 new antenna types and PCB component value changes as described in this filing.



TCB Grant - Application mDBpn0Zg0iMTB8OSiQPQXA==

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

  TUV SUD America Inc.
401 Edgewater Place Suite #500
Wakefield, MA 01880
Date of Grant: 08/29/2025

Application Dated: 08/29/2025
Mueller Systems, LLC
1200 Abernathy Road, NE
Suite 1200
Atlanta, GA 30328
 
Attention: Chris Kang , Sr. Manager, Hardware Engineering

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:  SM6-LMXR
Name of Grantee:  Mueller Systems, LLC
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: LFM Transceiver Module
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 912.310059  -  927.012451 0.995  

Power Output listed is conducted. Limited Modular Approval. This device is limited to the hosts described in this filing. This device requires professional installation, the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 23 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures or as described in this filing. End-users and (professional) installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

C2PC to address integration into new portable host device. Co-located with FCC ID: A8TBM78ABCDEFGH within host device. The highest reported SAR for body exposure condition is 2.75 W/kg.


TCB Grant - Application LxEishaQ7J4cgKxBlDZf2g==

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

  TUV SUD America Inc.
401 Edgewater Place Suite #500
Wakefield, MA 01880
Date of Grant: 08/03/2015

Application Dated: 08/03/2015
Mueller Systems, LLC
1200 Abernathy Road, NE
Suite 1200
Atlanta, GA 30328
 
Attention: Rob Zeppetelle , Sr. Director, Hardware & Firmware Engineering

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:  SM6-LMXR
Name of Grantee:  Mueller Systems, LLC
Equipment Class: Digital Transmission System
Notes: LFM Transceiver Module
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 903.649963  -  915.725525 0.942  

Power Output listed is conducted. Limited Modular Approval. This device is limited to the hosts described in this filing. This device requires professional installation, the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 23 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures or as described in this filing. End-users and (professional) installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

Class II Change to add 2 new antenna types and PCB component value changes as described in this filing.


EAS Grant - Application LxEishaQ7J4cgKxBlDZf2g==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION
COPY
Certification

Mueller Systems, LLC
1200 Abernathy Road, NE Suite 1200
Atlanta, GA 30328
United States
  Date of Grant: 08/03/2015

Application Dated: 08/03/2015
 
Attention: Rob Zeppetelle , Sr. Director, Hardware & Firmware Engineering

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:  SM6-LMXR
Name of Grantee:  Mueller Systems, LLC
Equipment Class: Digital Transmission System
Notes: LFM Transceiver Module
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 903.649963  -  915.725525 0.942  

Power Output listed is conducted. Limited Modular Approval. This device is limited to the hosts described in this filing. This device requires professional installation, the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 23 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures or as described in this filing. End-users and (professional) installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

Class II Change to add 2 new antenna types and PCB component value changes as described in this filing.



TCB Grant - Application 4naJ9tziUKgZPYMksCwH3w==

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

  TUV SUD America Inc.
401 Edgewater Place Suite #500
Wakefield, MA 01880
Date of Grant: 08/29/2025

Application Dated: 08/29/2025
Mueller Systems, LLC
1200 Abernathy Road, NE
Suite 1200
Atlanta, GA 30328
 
Attention: Chris Kang , Sr. Manager, Hardware Engineering

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:  SM6-LMXR
Name of Grantee:  Mueller Systems, LLC
Equipment Class: Digital Transmission System
Notes: LFM Transceiver Module
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 903.649963  -  915.725525 0.942  

Power Output listed is conducted. Limited Modular Approval. This device is limited to the hosts described in this filing. This device requires professional installation, the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 23 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures or as described in this filing. End-users and (professional) installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

C2PC to address integration into new portable host device. Co-located with FCC ID: A8TBM78ABCDEFGH within host device. The highest reported SAR for body exposure condition is 2.75 W/kg.


TCB Grant - Application 1gySS3YVC8DEhHR4vA18Cg==

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

  TUV SUD America Inc.
401 Edgewater Place Suite #500
Wakefield, MA 01880
Date of Grant: 04/06/2015

Application Dated: 04/06/2015
Mueller Systems, LLC
1200 Abernathy Road, NE
Suite 1200
Atlanta, GA 30328
 
Attention: Rob Zeppetelle , Sr. Director, Hardware & Firmware Engineering

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:  SM6-LMXR
Name of Grantee:  Mueller Systems, LLC
Equipment Class: Digital Transmission System
Notes: LFM Transceiver Module
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 903.649963  -  915.725525 0.942  

Power Output listed is conducted. Limited Modular Approval. This device is limited to the hosts described in this filing. This device requires professional installation, the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 23 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures or as described in this filing. End-users and (professional) installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

EAS Grant - Application 1gySS3YVC8DEhHR4vA18Cg==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION
COPY
Certification

Mueller Systems, LLC
1200 Abernathy Road, NE Suite 1200
Atlanta, GA 30328
United States
  Date of Grant: 04/06/2015

Application Dated: 04/06/2015
 
Attention: Rob Zeppetelle , Sr. Director, Hardware & Firmware Engineering

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:  SM6-LMXR
Name of Grantee:  Mueller Systems, LLC
Equipment Class: Digital Transmission System
Notes: LFM Transceiver Module
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 903.649963  -  915.725525 0.942  

Power Output listed is conducted. Limited Modular Approval. This device is limited to the hosts described in this filing. This device requires professional installation, the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 23 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures or as described in this filing. End-users and (professional) installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.



Mail To: