1. FCC ID
  2. PX8
  3. PX8RH78V3-B

FCC ID PX8RH78V3-B

Public Safety DAS

by Comba Telecom Network Systems Limited

Grantee Code: PX8   Product Code: RH78V3B
Latest application date: 2024-07-03

FCC ID Device Details

FCC IDPX8RH78V3-B
Mirrorsfcc.id | gov | fccid.ai
Grantee CodePX8
Product CodeRH78V3B
Applicant BusinessComba Telecom Network Systems Limited 🇨🇳
Related Domains comba-network.com
Equipment ClassPublic Safety DAS
Test FirmGRG Metrology & Test Group Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
851-862 MHzClass II permissive change or modification of presently authorized equipment2024-07-03
851-861 MHzOriginal Equipment2023-06-26

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2024-07-03PDF 2.5 MB
User manual rev_01Users Manual2023-06-26PDF 2.3 MB
Internal PhotosInternal Photos2023-06-26PDF 2.2 MB
External photosExternal Photos2024-07-03PDF 101.7 KB
External PhotosExternal Photos2023-06-26PDF 210.7 KB
Label Class B rev_01ID Label/Location Info2023-06-26PDF 117.7 KB
Label LocationID Label/Location Info2023-06-26PDF 66.5 KB
Test setup photosTest Setup Photos2024-07-03PDF 336.6 KB
Test Setup PhotosTest Setup Photos2023-06-26PDF 344.6 KB
RF test report RU Class B page 1-27Test Report2024-07-03PDF 4.5 MB
RF test report RU Class B page 109-135Test Report2024-07-03PDF 3.3 MB
RF test report RU Class B page 136-162Test Report2024-07-03PDF 3.7 MB
RF test report RU Class B page 163-172Test Report2024-07-03PDF 2.4 MB
RF test report RU Class B page 173-189Test Report2024-07-03PDF 3.5 MB
RF test report RU Class B page 190-216Test Report2024-07-03PDF 2.6 MB
RF test report RU Class B page 217-243Test Report2024-07-03PDF 3.7 MB
RF test report RU Class B page 244-270Test Report2024-07-03PDF 3.1 MB
RF test report RU Class B page 27-54Test Report2024-07-03PDF 3.2 MB
RF test report RU Class B page 271-291Test Report2024-07-03PDF 3 MB
RF test report RU Class B page 298-324Test Report2024-07-03PDF 3.1 MB
RF test report RU Class B page 325-351Test Report2024-07-03PDF 3.1 MB
RF test report RU Class B page 352-380Test Report2024-07-03PDF 3.8 MB
RF test report RU Class B page 55-81Test Report2024-07-03PDF 4.8 MB
RF test report RU Class B page 82-108Test Report2024-07-03PDF 3.4 MB
MPE Test report finalRF Exposure Info2023-06-26PDF 1.6 MB
Test report RF PART 1 finalTest Report2023-06-26PDF 3.7 MB
Test report RF PART 2 finalTest Report2023-06-26PDF 4.8 MB
Test report RF PART 3 finalTest Report2023-06-26PDF 4 MB
Test report RF PART 4 finalTest Report2023-06-26PDF 3 MB
Test report RF PART 5 finalTest Report2023-06-26PDF 3.4 MB
Test report RF PART 6 finalTest Report2023-06-26PDF 3.6 MB
Authority to Act as AgentAttestation Statements2024-07-03PDF 99.1 KB
Covered List AttestationAttestation Statements2024-07-03PDF 168.4 KB
US Agent Letter for Service of processAttestation Statements2024-07-03PDF 128.4 KB
Covered List AttestationAttestation Statements2023-06-26PDF 156.1 KB
Declaration of ConformityCover Letter(s)2024-07-03PDF 129 KB
FCC Class II PC request letter Rev1.1Cover Letter(s)2024-07-03PDF 130.2 KB
POACover Letter(s)2024-07-03PDF 108.5 KB
Request for ConfidentialityCover Letter(s)2024-07-03PDF 121.9 KB
Authority to Act as AgentCover Letter(s)2023-06-26PDF 38.4 KB
Declaration letterCover Letter(s)2023-06-26PDF 177.3 KB
Declaration of ConformityCover Letter(s)2023-06-26PDF 129.9 KB
Request for ConfidentialityCover Letter(s)2023-06-26PDF 111.9 KB
MPE reportRF Exposure Info2024-07-03PDF 1.5 MB
System diagram Metadata onlyBlock DiagramPDF 113.8 KB
PCBLAYOUT 1 Metadata onlySchematicsPDF 2.7 MB
PCBLAYOUT 2 Metadata onlySchematicsPDF 621.6 KB
PCBLAYOUT 3 Metadata onlySchematicsPDF 61.9 KB
PCBLAYOUT 4 Metadata onlySchematicsPDF 358 KB
PCBLAYOUT 5 Metadata onlySchematicsPDF 175.7 KB
Schematics 1 Metadata onlySchematicsPDF 1.8 MB
Schematics 2 Metadata onlySchematicsPDF 40.4 KB
Schematics 3 Metadata onlySchematicsPDF 289.9 KB
Schematics 4 Metadata onlySchematicsPDF 273.8 KB
Schematics 5 Metadata onlySchematicsPDF 39.6 KB
Operation Description Metadata onlyOperational DescriptionPDF 373.1 KB
Operation Description rev_01 Metadata onlyOperational DescriptionPDF 374.3 KB
BOM Metadata onlyParts List/Tune Up InfoPDF 171.9 KB
Tune Up Procedure rev_01 Metadata onlyParts List/Tune Up InfoPDF 556.9 KB

Application Information

Application IDKTO0SY3H0OwMjQp+DsdgWA==
Final Action Date2024-07-03
Application PurposeClass II permissive change or modification of presently authorized equipment
Applicant FRN0006794697
ModelRH78V3-B
Frequency Range851-862 MHz
Equipment ClassB9B - Part 90 Class B Industrial Booster (non-SMR)
Device DescriptionPublic Safety DAS
Responsible PartyRonin Gong, Director, gongwei@comba-network.com , +86 2028390000
AgentKrystal Krystal Krystal, GRG Metrology and Test Group CO., LTD., yanghy2@grgtest.com , +86(755)61180008
Technical ContactKrystal Yang, GRG Metrology and Test Group CO., LTD., yanghy2@grgtest.com , 86(755)61180008
Test FirmFrank Chen, GRG Metrology & Test Group Co., Ltd., frank.chen@grgtest.com , 86-20-66830999-8358
TCB Emailhotline@acbcert.com
TCB ScopeB2: General Mobile Radio And Broadcast Services equipment in the following 47 CFR Parts 22 (non-cellular) 73, 74, 90, 95, 97, & 101 (all below 3 GHz)
Short-Term ConfidentialityNo
Long-Term ConfidentialityYes
Grant DeferralNo
Modular EquipmentDoes not apply
Composite DeviceNo
Composite PartNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo
Grant CommentsPart 90.219 signal Booster. Power output is conducted. The intended use is generally for industrial/commercial use and will not be sold to the general public. Professional installation is required. The antenna(s) used for this transmitter are to be fixed-mounted on indoor or outdoor structures. RF exposure compliance will need to be addressed at the time of licensing, as required by the responsible FCC Bureau(s), including antenna co-location requirements of §1.1307(b)(3). This Class B signal booster is for private use and public safety operation. This is a C2PC application as documented in the filing.

Applications

Application IDDatePurpose
KTO0SY3H0OwMjQp+DsdgWA==2024-07-03Class II permissive change or modification of presently authorized equipment
MFSyWrCQIrcSDbs9OfMGEA==2023-06-26Original Equipment

Equipment Authorization

FrequencyOutputToleranceEmissionRules
769-775 MHz1.8AmpF1W9
769-775 MHz1.8AmpF3E9
769-775 MHz1.7AmpFXE9
769-775 MHz1.7AmpFXD9
799-805 MHz0.6AmpF3E9
799-805 MHz0.6AmpFXE9
799-805 MHz0.6AmpFXD9
799-805 MHz0.6AmpF1E9
799-805 MHz0.6AmpF1D9
799-805 MHz0.6AmpF1W9
806-816 MHz0.6AmpF1E9
806-817 MHz0.6AmpF1E9
806-816 MHz0.6AmpF1D9
806-817 MHz0.6AmpF1D9
806-816 MHz0.5AmpF1W9
806-817 MHz0.6AmpF1W9
806-816 MHz0.6AmpF3E9
806-817 MHz0.6AmpF3E9
806-816 MHz0.6AmpFXE9
806-817 MHz0.6AmpFXE9
806-816 MHz0.6AmpFXD9
806-817 MHz0.6AmpFXD9
851-861 MHz2AmpF1E9
851-862 MHz1.9AmpF1E9
851-861 MHz2AmpF1D9
851-862 MHz1.9AmpF1D9
851-861 MHz1.9AmpF1W9
851-862 MHz1.9AmpF1W9
851-861 MHz1.9AmpF3E9
851-862 MHz2AmpF3E9
851-861 MHz1.9AmpFXE9
851-862 MHz2AmpFXE9
851-861 MHz1.9AmpFXD9
851-862 MHz1.9AmpFXD9

Grants

TCB Grant - Application MFSyWrCQIrcSDbs9OfMGEA==

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

  ACB, Inc.
313 Park Avenue Suite 300
Falls Church, VA 22046
 Date of Grant: 06/26/2023

Application Dated: 06/20/2023
Comba Telecom Network Systems Limited
Flat/Rm 10, 3/F, Bio-Informatics Ctr, 2 Science
Park West Avenue, HK Science Park, Pak Shek Kok
HongKong, 510663
China
 
Attention: Ronin Gong , Director

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:  PX8RH78V3-B
Name of Grantee:  Comba Telecom Network Systems Limited
Equipment Class: Part 90 Class B Industrial Booster (non-SMR)
Notes: Public Safety DAS
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
90 769.0  -  775.0 1.8  Amp F1E
90 769.0  -  775.0 1.8  Amp F1D
90 769.0  -  775.0 1.8  Amp F1W
90 769.0  -  775.0 1.8  Amp F3E
90 769.0  -  775.0 1.7  Amp FXE
90 769.0  -  775.0 1.7  Amp FXD
90 799.0  -  805.0 0.6  Amp F1E
90 799.0  -  805.0 0.6  Amp F1D
90 799.0  -  805.0 0.6  Amp F1W
90 799.0  -  805.0 0.6  Amp F3E
90 799.0  -  805.0 0.6  Amp FXE
90 799.0  -  805.0 0.6  Amp FXD
90 851.0  -  861.0 2.0  Amp F1E
90 851.0  -  861.0 2.0  Amp F1D
90 851.0  -  861.0 1.9  Amp F1W
90 851.0  -  861.0 1.9  Amp F3E
90 851.0  -  861.0 1.9  Amp FXE
90 851.0  -  861.0 1.9  Amp FXD
90 806.0  -  816.0 0.6  Amp F1E
90 806.0  -  816.0 0.6  Amp F1D
90 806.0  -  816.0 0.5  Amp F1W
90 806.0  -  816.0 0.6  Amp F3E
90 806.0  -  816.0 0.6  Amp FXE
90 806.0  -  816.0 0.6  Amp FXD

Part 90.219 signal Booster. Power output is conducted. The intended use is generally for industrial/commercial use and will not be sold to the general public. Professional installation is required. The antenna(s) used for this transmitter are to be fixed-mounted on indoor or outdoor structures. RF exposure compliance will need to be addressed at the time of licensing, as required by the responsible FCC Bureau(s), including antenna co-location requirements of §1.1307(b)(3). This Class B signal booster is for private use and public safety operation.

EAS Grant - Application MFSyWrCQIrcSDbs9OfMGEA==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

Comba Telecom Network Systems Limited
Flat/Rm 10, 3/F, Bio-Informatics Ctr, 2 Science Park West Avenue, HK Science Park, Pak Shek Kok
HongKong, 510663
China 		  Date of Grant: 06/26/2023

Application Dated: 06/20/2023
 
Attention: Ronin Gong , Director

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:  PX8RH78V3-B
Name of Grantee:  Comba Telecom Network Systems Limited
Equipment Class: Part 90 Class B Industrial Booster (non-SMR)
Notes: Public Safety DAS
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
90 769.0  -  775.0 1.8  Amp F1E
90 769.0  -  775.0 1.8  Amp F1D
90 769.0  -  775.0 1.8  Amp F1W
90 769.0  -  775.0 1.8  Amp F3E
90 769.0  -  775.0 1.7  Amp FXE
90 769.0  -  775.0 1.7  Amp FXD
90 799.0  -  805.0 0.6  Amp F1E
90 799.0  -  805.0 0.6  Amp F1D
90 799.0  -  805.0 0.6  Amp F1W
90 799.0  -  805.0 0.6  Amp F3E
90 799.0  -  805.0 0.6  Amp FXE
90 799.0  -  805.0 0.6  Amp FXD
90 851.0  -  861.0 2.0  Amp F1E
90 851.0  -  861.0 2.0  Amp F1D
90 851.0  -  861.0 1.9  Amp F1W
90 851.0  -  861.0 1.9  Amp F3E
90 851.0  -  861.0 1.9  Amp FXE
90 851.0  -  861.0 1.9  Amp FXD
90 806.0  -  816.0 0.6  Amp F1E
90 806.0  -  816.0 0.6  Amp F1D
90 806.0  -  816.0 0.5  Amp F1W
90 806.0  -  816.0 0.6  Amp F3E
90 806.0  -  816.0 0.6  Amp FXE
90 806.0  -  816.0 0.6  Amp FXD

Part 90.219 signal Booster. Power output is conducted. The intended use is generally for industrial/commercial use and will not be sold to the general public. Professional installation is required. The antenna(s) used for this transmitter are to be fixed-mounted on indoor or outdoor structures. RF exposure compliance will need to be addressed at the time of licensing, as required by the responsible FCC Bureau(s), including antenna co-location requirements of §1.1307(b)(3). This Class B signal booster is for private use and public safety operation.



TCB Grant - Application KTO0SY3H0OwMjQp+DsdgWA==

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

  ACB, Inc.
313 Park Avenue Suite 300
Falls Church, VA 22046
 Date of Grant: 07/03/2024

Application Dated: 07/01/2024
Comba Telecom Network Systems Limited
Flat/Rm 10, 3/F, Bio-Informatics Ctr, 2 Science
Park West Avenue, HK Science Park, Pak Shek Kok
HongKong, 510663
China
 
Attention: Ronin Gong , Director

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:  PX8RH78V3-B
Name of Grantee:  Comba Telecom Network Systems Limited
Equipment Class: Part 90 Class B Industrial Booster (non-SMR)
Notes: Public Safety DAS
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
90 769.0  -  775.0 1.8  Amp F1E
90 769.0  -  775.0 1.8  Amp F1D
90 769.0  -  775.0 1.8  Amp F1W
90 769.0  -  775.0 1.8  Amp F3E
90 769.0  -  775.0 1.7  Amp FXE
90 769.0  -  775.0 1.7  Amp FXD
90 799.0  -  805.0 0.6  Amp F1E
90 799.0  -  805.0 0.6  Amp F1D
90 799.0  -  805.0 0.6  Amp F1W
90 799.0  -  805.0 0.6  Amp F3E
90 799.0  -  805.0 0.6  Amp FXE
90 799.0  -  805.0 0.6  Amp FXD
90 851.0  -  862.0 1.9  Amp F1E
90 851.0  -  862.0 1.9  Amp F1D
90 851.0  -  862.0 1.9  Amp F1W
90 851.0  -  862.0 2.0  Amp F3E
90 851.0  -  862.0 2.0  Amp FXE
90 851.0  -  862.0 1.9  Amp FXD
90 806.0  -  817.0 0.6  Amp F1E
90 806.0  -  817.0 0.6  Amp F1D
90 806.0  -  817.0 0.6  Amp F1W
90 806.0  -  817.0 0.6  Amp F3E
90 806.0  -  817.0 0.6  Amp FXE
90 806.0  -  817.0 0.6  Amp FXD

Part 90.219 signal Booster. Power output is conducted. The intended use is generally for industrial/commercial use and will not be sold to the general public. Professional installation is required. The antenna(s) used for this transmitter are to be fixed-mounted on indoor or outdoor structures. RF exposure compliance will need to be addressed at the time of licensing, as required by the responsible FCC Bureau(s), including antenna co-location requirements of §1.1307(b)(3). This Class B signal booster is for private use and public safety operation. This is a C2PC application as documented in the filing.

EAS Grant - Application KTO0SY3H0OwMjQp+DsdgWA==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

Comba Telecom Network Systems Limited
Flat/Rm 10, 3/F, Bio-Informatics Ctr, 2 Science Park West Avenue, HK Science Park, Pak Shek Kok
HongKong, 510663
China 		  Date of Grant: 07/03/2024

Application Dated: 07/01/2024
 
Attention: Ronin Gong , Director

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:  PX8RH78V3-B
Name of Grantee:  Comba Telecom Network Systems Limited
Equipment Class: Part 90 Class B Industrial Booster (non-SMR)
Notes: Public Safety DAS
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
90 769.0  -  775.0 1.8  Amp F1E
90 769.0  -  775.0 1.8  Amp F1D
90 769.0  -  775.0 1.8  Amp F1W
90 769.0  -  775.0 1.8  Amp F3E
90 769.0  -  775.0 1.7  Amp FXE
90 769.0  -  775.0 1.7  Amp FXD
90 799.0  -  805.0 0.6  Amp F1E
90 799.0  -  805.0 0.6  Amp F1D
90 799.0  -  805.0 0.6  Amp F1W
90 799.0  -  805.0 0.6  Amp F3E
90 799.0  -  805.0 0.6  Amp FXE
90 799.0  -  805.0 0.6  Amp FXD
90 851.0  -  862.0 1.9  Amp F1E
90 851.0  -  862.0 1.9  Amp F1D
90 851.0  -  862.0 1.9  Amp F1W
90 851.0  -  862.0 2.0  Amp F3E
90 851.0  -  862.0 2.0  Amp FXE
90 851.0  -  862.0 1.9  Amp FXD
90 806.0  -  817.0 0.6  Amp F1E
90 806.0  -  817.0 0.6  Amp F1D
90 806.0  -  817.0 0.6  Amp F1W
90 806.0  -  817.0 0.6  Amp F3E
90 806.0  -  817.0 0.6  Amp FXE
90 806.0  -  817.0 0.6  Amp FXD

Part 90.219 signal Booster. Power output is conducted. The intended use is generally for industrial/commercial use and will not be sold to the general public. Professional installation is required. The antenna(s) used for this transmitter are to be fixed-mounted on indoor or outdoor structures. RF exposure compliance will need to be addressed at the time of licensing, as required by the responsible FCC Bureau(s), including antenna co-location requirements of §1.1307(b)(3). This Class B signal booster is for private use and public safety operation. This is a C2PC application as documented in the filing.



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