FCC ID T2C-YL1023

Module Device

by YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.

Grantee Code: T2C   Product Code: YL1023
Latest application date: 2018-09-06

FCC ID Device Details

FCC IDT2C-YL1023
Mirrorsfcc.id | gov | fccid.ai
Grantee CodeT2C
Product CodeYL1023
Applicant BusinessYEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD. 🇨🇳
Related Domains yealink.com
Equipment ClassModule Device
Test FirmBureau Veritas Shenzhen Co., Ltd. Dongguan Branch

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
5180-5240 MHzClass II permissive change or modification of presently authorized equipment2018-09-06
2402-2480 MHzOriginal Equipment2018-05-17
5180-5240 MHzOriginal Equipment2018-05-17
2402-2480 MHzOriginal Equipment2018-05-17

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2019-03-06PDF 532.9 KB
User ManualUsers Manual2018-11-12PDF 385.6 KB
Users Manual Metadata onlyUsers Manual2018-11-12PDF 471.7 KB
Internal PhotosInternal Photos2018-11-12PDF 203.7 KB
Internal photosInternal Photos2018-09-06PDF 317.7 KB
External PhotosExternal Photos2018-11-12PDF 573.7 KB
External PhotosExternal Photos2018-11-12PDF 99 KB
External photosExternal Photos2018-09-06PDF 666 KB
ID Label and Location InfoID Label/Location Info2018-05-17PDF 130.1 KB
Test Setup PhotosTest Setup Photos2018-11-12PDF 92.5 KB
Test Setup photosTest Setup Photos2018-11-12PDF 92.5 KB
DFS Test set-up photoTest Setup Photos2018-09-06PDF 119.1 KB
RF Test set-up photoTest Setup Photos2018-09-06PDF 281 KB
DFS Test ReportTest Report2018-09-06PDF 834.1 KB
RF Test ReportTest Report2018-09-06PDF 810.8 KB
Test ReportTest Report2018-05-17PDF 68.6 KB
Test ReportTest Report2018-05-17PDF 5.4 MB
Test Report_2.4GHz Wi-FiTest Report2018-05-17PDF 3.9 MB
Test Report_BLETest Report2018-05-17PDF 1.8 MB
Authorization LetterCover Letter(s)2018-09-06PDF 99.7 KB
Class II Permissive Change Request LetterCover Letter(s)2018-09-06PDF 110.7 KB
LTC LetterCover Letter(s)2018-09-06PDF 89.5 KB
STC LetterCover Letter(s)2018-09-06PDF 91.1 KB
Agency LetterCover Letter(s)2018-05-17PDF 84.3 KB
Confidentiality LetterCover Letter(s)2018-05-17PDF 94 KB
Modular Approval Request LetterCover Letter(s)2018-05-17PDF 61.8 KB
Modular Approval Request LetterCover Letter(s)2018-05-17PDF 61.9 KB
Module Approval Request Letter Metadata onlyCover Letter(s)2018-05-17PDF 61.8 KB
MPE ReportRF Exposure Info2018-09-06PDF 170.2 KB
RF Exposure InfoRF Exposure Info2018-05-17PDF 18.4 KB
RF Exposure InfoRF Exposure Info2018-05-17PDF 33.6 KB
Block Diagram Metadata onlyBlock DiagramPDF 133.4 KB
Schematics Metadata onlySchematicsPDF 76.2 KB
Operational Description Metadata onlyOperational DescriptionPDF 456.1 KB
Operational Description Metadata onlyOperational DescriptionPDF 32.7 KB
Operational Description_Antenna Specification Metadata onlyOperational DescriptionPDF 241 KB
Operational Description_Software Security Description Metadata onlyOperational DescriptionPDF 83.8 KB
SW Declaration Letter Metadata onlyOperational DescriptionPDF 102.5 KB

Application Information

Application IDTcKZNOx5I7ET2eXrs1a1NA==
Final Action Date2018-09-06
Application PurposeClass II permissive change or modification of presently authorized equipment
Applicant FRN0014702682
ModelYL1023
Frequency Range5180-5240 MHz
Equipment ClassNII - Unlicensed National Information Infrastructure TX
Device DescriptionModule Device
Responsible PartyStone Lu, Vice General Manager, chenjl@yealink.com , 86-592-5702000
Test FirmEdwin Ye, Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch, edwin.ye@bureauveritas.com , 86-20-8714 8549
TCB Emailtcb@siemic.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Short-Term Confidentiality Date03/06/2019
Long-Term ConfidentialityYes
Grant DeferralNo
Modular EquipmentLimited Single Modular Approval
Composite DeviceYes
Composite PartNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo
Grant CommentsC2PC to add NII Band 2a & 2c by S/W. Power output listed is conducted. Limited Single Modular Approval. This module is granted for use in mobile only configuration as described in this filing. Approval is limited to OEM installation only. Only the antenna tested with the device or similar antenna with equal or lesser gain may be used with this transmitter. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. OEM integrators and end-users must be provided with specific operating instructions for satisfying RF exposure compliance requirements. This device contains Classic Bluetooth, BLE and WLAN 802.11b/g/n transmitters. This device has 20 MHz, 40 MHz and 80MHz bandwidth modes.

Applications

Application IDDatePurpose
TcKZNOx5I7ET2eXrs1a1NA==2018-09-06Class II permissive change or modification of presently authorized equipment
w115idLIQp/x3zoS4eL1Tg==2018-05-17Original Equipment
uGIOgghRLJOrdxXYdppBZw==2018-05-17Original Equipment
OnOClfk80hrZcwwFLxxAYQ==2018-05-17Original Equipment

Equipment Authorization

FrequencyOutputRulesGrant Notes
2402-2480 MHz0.004200015CCC
2402-2480 MHz0.000715CCC
2412-2462 MHz0.081115CCC
5180-5240 MHz0.013115E38, CC
5260-5320 MHz0.02084515E38, CC, ND
5500-5700 MHz0.03881515E38, CC, ND
5745-5825 MHz0.023315E38, CC

Grants

TCB Grant - Application w115idLIQp/x3zoS4eL1Tg==

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

  TUV Rheinland of North America, Inc.
1279 Quarry Lane Suite A
Pleasanton, CA 94566
Date of Grant: 05/17/2018

Application Dated: 05/15/2018
YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
309, 3rd Floor, No.16, Yun Ding North Road,
Huli District,
Xiamen City, Fujian,
China
 
Attention: Stone Lu , Vice General Manager

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:  T2C-YL1023
Name of Grantee:  YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
Equipment Class: Digital Transmission System
Notes: Module Device
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 2402.0  -  2480.0 0.0007  
CC 15C 2412.0  -  2462.0 0.0811  

Power output listed is conducted. Limited Single Modular Approval. This module is granted for use in mobile only configuration as described in this filing. Approval is limited to OEM installation only. Only the antenna tested with the device or similar antenna with equal or lesser gain may be used with this transmitter. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. OEM integrators and end-users must be provided with specific operating instructions for satisfying RF exposure compliance requirements. This device contains Classic Bluetooth and WLAN 802.11a/n/ac transmitters. This device has 20 MHz and 40 MHz bandwidth modes.

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

EAS Grant - Application w115idLIQp/x3zoS4eL1Tg==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION
COPY
Certification

YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
309, 3rd Floor, No.16, Yun Ding North Road, Huli District,
Xiamen City, Fujian,
China
  Date of Grant: 05/17/2018

Application Dated: 05/15/2018
 
Attention: Stone Lu , Vice General Manager

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:  T2C-YL1023
Name of Grantee:  YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
Equipment Class: Digital Transmission System
Notes: Module Device
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 2402.0  -  2480.0 0.0007  
CC 15C 2412.0  -  2462.0 0.0811  

Power output listed is conducted. Limited Single Modular Approval. This module is granted for use in mobile only configuration as described in this filing. Approval is limited to OEM installation only. Only the antenna tested with the device or similar antenna with equal or lesser gain may be used with this transmitter. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. OEM integrators and end-users must be provided with specific operating instructions for satisfying RF exposure compliance requirements. This device contains Classic Bluetooth and WLAN 802.11a/n/ac transmitters. This device has 20 MHz and 40 MHz bandwidth modes.


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

TCB Grant - Application uGIOgghRLJOrdxXYdppBZw==

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

  TUV Rheinland of North America, Inc.
1279 Quarry Lane Suite A
Pleasanton, CA 94566
Date of Grant: 05/17/2018

Application Dated: 05/15/2018
YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
309, 3rd Floor, No.16, Yun Ding North Road,
Huli District,
Xiamen City, Fujian,
China
 
Attention: Stone Lu , Vice General Manager

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:  T2C-YL1023
Name of Grantee:  YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
Equipment Class: Unlicensed National Information Infrastructure TX
Notes: Module Device
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
38 CC 15E 5180.0  -  5240.0 0.0131  
38 CC 15E 5745.0  -  5825.0 0.0233  

Power output listed is conducted. Limited Single Modular Approval. This module is granted for use in mobile only configuration as described in this filing. Approval is limited to OEM installation only. Only the antenna tested with the device or similar antenna with equal or lesser gain may be used with this transmitter. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. OEM integrators and end-users must be provided with specific operating instructions for satisfying RF exposure compliance requirements. This device contains Classic Bluetooth, BLE and WLAN 802.11b/g/n transmitters. This device has 20 MHz, 40 MHz and 80MHz bandwidth modes.

38: This device has shown compliance, in all grant-listed U-NII sub-bands, with the new rules for U-NII devices adopted under Docket No. 13-49 and may be marketed, manufactured or imported after the June 1, 2016 transition deadline.
CC: This device is certified pursuant to two different Part 15 rules sections.

EAS Grant - Application uGIOgghRLJOrdxXYdppBZw==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION
COPY
Certification

YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
309, 3rd Floor, No.16, Yun Ding North Road, Huli District,
Xiamen City, Fujian,
China
  Date of Grant: 05/17/2018

Application Dated: 05/15/2018
 
Attention: Stone Lu , Vice General Manager

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:  T2C-YL1023
Name of Grantee:  YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
Equipment Class: Unlicensed National Information Infrastructure TX
Notes: Module Device
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
38 CC 15E 5180.0  -  5240.0 0.0131  
38 CC 15E 5745.0  -  5825.0 0.0233  

Power output listed is conducted. Limited Single Modular Approval. This module is granted for use in mobile only configuration as described in this filing. Approval is limited to OEM installation only. Only the antenna tested with the device or similar antenna with equal or lesser gain may be used with this transmitter. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. OEM integrators and end-users must be provided with specific operating instructions for satisfying RF exposure compliance requirements. This device contains Classic Bluetooth, BLE and WLAN 802.11b/g/n transmitters. This device has 20 MHz, 40 MHz and 80MHz bandwidth modes.


38: This device has shown compliance, in all grant-listed U-NII sub-bands, with the new rules for U-NII devices adopted under Docket No. 13-49 and may be marketed, manufactured or imported after the June 1, 2016 transition deadline.
CC: This device is certified pursuant to two different Part 15 rules sections.

TCB Grant - Application TcKZNOx5I7ET2eXrs1a1NA==

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

  Bureau Veritas Consumer Products Services, Inc.
775 Montague Expressway
Milpitas, CA 95035
Date of Grant: 09/06/2018

Application Dated: 09/06/2018
YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
309, 3rd Floor, No.16, Yun Ding North Road,
Huli District,
Xiamen City, Fujian,
China
 
Attention: Stone Lu , Vice General Manager

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:  T2C-YL1023
Name of Grantee:  YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
Equipment Class: Unlicensed National Information Infrastructure TX
Notes: Module Device
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
38 CC 15E 5180.0  -  5240.0 0.0131  
38 CC 15E 5745.0  -  5825.0 0.0233  
38 CC ND 15E 5260.0  -  5320.0 0.020845  
38 CC ND 15E 5500.0  -  5700.0 0.038815  

C2PC to add NII Band 2a & 2c by S/W. Power output listed is conducted. Limited Single Modular Approval. This module is granted for use in mobile only configuration as described in this filing. Approval is limited to OEM installation only. Only the antenna tested with the device or similar antenna with equal or lesser gain may be used with this transmitter. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. OEM integrators and end-users must be provided with specific operating instructions for satisfying RF exposure compliance requirements. This device contains Classic Bluetooth, BLE and WLAN 802.11b/g/n transmitters. This device has 20 MHz, 40 MHz and 80MHz bandwidth modes.

38: This device has shown compliance, in all grant-listed U-NII sub-bands, with the new rules for U-NII devices adopted under Docket No. 13-49 and may be marketed, manufactured or imported after the June 1, 2016 transition deadline.
CC: This device is certified pursuant to two different Part 15 rules sections.
ND: This UNII device complies with the Transmit Power Control (TPC) and Dynamic Frequency Selection (DFS) requirements in Section 15.407(h).

EAS Grant - Application TcKZNOx5I7ET2eXrs1a1NA==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION
COPY
Certification

YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
309, 3rd Floor, No.16, Yun Ding North Road, Huli District,
Xiamen City, Fujian,
China
  Date of Grant: 09/06/2018

Application Dated: 09/06/2018
 
Attention: Stone Lu , Vice General Manager

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:  T2C-YL1023
Name of Grantee:  YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
Equipment Class: Unlicensed National Information Infrastructure TX
Notes: Module Device
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
38 CC 15E 5180.0  -  5240.0 0.0131  
38 CC 15E 5745.0  -  5825.0 0.0233  
38 CC ND 15E 5260.0  -  5320.0 0.020845  
38 CC ND 15E 5500.0  -  5700.0 0.038815  

C2PC to add NII Band 2a & 2c by S/W. Power output listed is conducted. Limited Single Modular Approval. This module is granted for use in mobile only configuration as described in this filing. Approval is limited to OEM installation only. Only the antenna tested with the device or similar antenna with equal or lesser gain may be used with this transmitter. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. OEM integrators and end-users must be provided with specific operating instructions for satisfying RF exposure compliance requirements. This device contains Classic Bluetooth, BLE and WLAN 802.11b/g/n transmitters. This device has 20 MHz, 40 MHz and 80MHz bandwidth modes.


38: This device has shown compliance, in all grant-listed U-NII sub-bands, with the new rules for U-NII devices adopted under Docket No. 13-49 and may be marketed, manufactured or imported after the June 1, 2016 transition deadline.
CC: This device is certified pursuant to two different Part 15 rules sections.
ND: This UNII device complies with the Transmit Power Control (TPC) and Dynamic Frequency Selection (DFS) requirements in Section 15.407(h).

TCB Grant - Application OnOClfk80hrZcwwFLxxAYQ==

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

  TUV Rheinland of North America, Inc.
1279 Quarry Lane Suite A
Pleasanton, CA 94566
Date of Grant: 05/17/2018

Application Dated: 05/15/2018
YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
309, 3rd Floor, No.16, Yun Ding North Road,
Huli District,
Xiamen City, Fujian,
China
 
Attention: Stone Lu , Vice General Manager

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:  T2C-YL1023
Name of Grantee:  YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Module Device
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 2402.0  -  2480.0 0.0042  

Power output listed is conducted. Limited Single Modular Approval. This module is granted for use in mobile only configuration as described in this filing. Approval is limited to OEM installation only. Only the antenna tested with the device or similar antenna with equal or lesser gain may be used with this transmitter. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. OEM integrators and end-users must be provided with specific operating instructions for satisfying RF exposure compliance requirements. This device contains BLE and WLAN 802.11a/b/g/n/ac transmitters.

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

EAS Grant - Application OnOClfk80hrZcwwFLxxAYQ==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION
COPY
Certification

YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
309, 3rd Floor, No.16, Yun Ding North Road, Huli District,
Xiamen City, Fujian,
China
  Date of Grant: 05/17/2018

Application Dated: 05/15/2018
 
Attention: Stone Lu , Vice General Manager

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:  T2C-YL1023
Name of Grantee:  YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Module Device
Modular Type: Limited Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 2402.0  -  2480.0 0.0042  

Power output listed is conducted. Limited Single Modular Approval. This module is granted for use in mobile only configuration as described in this filing. Approval is limited to OEM installation only. Only the antenna tested with the device or similar antenna with equal or lesser gain may be used with this transmitter. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. OEM integrators and end-users must be provided with specific operating instructions for satisfying RF exposure compliance requirements. This device contains BLE and WLAN 802.11a/b/g/n/ac transmitters.


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

Mail To: