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

FCC ID PX8RH78V3-A

Public Safety DAS

by Comba Telecom Network Systems Limited

Grantee Code: PX8   Product Code: RH78V3A
Latest application date: 2024-07-10

FCC ID Device Details

FCC IDPX8RH78V3-A
Mirrorsfcc.id | gov | fccid.ai
Grantee CodePX8
Product CodeRH78V3A
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 equipment2024-07-10
769-775 MHzOriginal Equipment2023-06-26

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2024-07-10PDF 2.5 MB
User manual rev_01Users Manual2023-06-26PDF 2.3 MB
Internal PhotosInternal Photos2023-06-26PDF 2.2 MB
External photosExternal Photos2024-07-10PDF 255.7 KB
External PhotosExternal Photos2023-06-26PDF 210.7 KB
LabelID Label/Location Info2023-06-26PDF 125.9 KB
Label LocationID Label/Location Info2023-06-26PDF 66.5 KB
test setup photosTest Setup Photos2024-07-10PDF 336.2 KB
Test Setup PhotosTest Setup Photos2023-06-26PDF 344.6 KB
RF test report RU Class A page 1-25Test Report2024-07-10PDF 4.4 MB
RF test report RU Class A page 101-125Test Report2024-07-10PDF 4.7 MB
RF test report RU Class A page 126-150Test Report2024-07-10PDF 4.1 MB
RF test report RU Class A page 151-160Test Report2024-07-10PDF 1.6 MB
RF test report RU Class A page 161-175Test Report2024-07-10PDF 4.1 MB
RF test report RU Class A page 176-225Test Report2024-07-10PDF 5.4 MB
RF test report RU Class A page 226-250Test Report2024-07-10PDF 3.6 MB
RF test report RU Class A page 251-300Test Report2024-07-10PDF 5.6 MB
RF test report RU Class A page 26-50Test Report2024-07-10PDF 2.8 MB
RF test report RU Class A page 301-325Test Report2024-07-10PDF 2.9 MB
RF test report RU Class A page 326-350Test Report2024-07-10PDF 3.1 MB
RF test report RU Class A page 351-384Test Report2024-07-10PDF 4.2 MB
RF test report RU Class A page 51-75Test Report2024-07-10PDF 5.4 MB
RF test report RU Class A page 76-100Test Report2024-07-10PDF 5 MB
MPE Test report finalRF Exposure Info2023-06-26PDF 1.5 MB
Test report RF PART 1 FINALTest Report2023-06-26PDF 3.8 MB
Test report RF PART 2 FINALTest Report2023-06-26PDF 1.9 MB
Test report RF PART 3 FINALTest Report2023-06-26PDF 3.2 MB
Test report RF PART 4 FINALTest Report2023-06-26PDF 4.1 MB
Test report RF PART 5 FINALTest Report2023-06-26PDF 2.7 MB
Test report RF PART 6 FINALTest Report2023-06-26PDF 4.2 MB
Test report RF PART 7 FINALTest Report2023-06-26PDF 3.3 MB
Test report RF PART 8 FINALTest Report2023-06-26PDF 228.7 KB
Covered List AttestationAttestation Statements2024-07-10PDF 168.4 KB
US Agent Letter for Service of processAttestation Statements2024-07-10PDF 128.4 KB
Covered List AttestationAttestation Statements2023-06-26PDF 156.1 KB
Authority to Act as AgentCover Letter(s)2024-07-10PDF 99.1 KB
Declaration of ConformityCover Letter(s)2024-07-10PDF 129.1 KB
FCC Class II PC request letter Rev1.1Cover Letter(s)2024-07-10PDF 130.1 KB
POACover Letter(s)2024-07-10PDF 108.5 KB
Request for ConfidentialityCover Letter(s)2024-07-10PDF 121.9 KB
Authority to Act as AgentCover Letter(s)2023-06-26PDF 38.4 KB
Declaration letterCover Letter(s)2023-06-26PDF 176.7 KB
Declaration of ConformityCover Letter(s)2023-06-26PDF 121 KB
Request for ConfidentialityCover Letter(s)2023-06-26PDF 111.5 KB
MPE reportRF Exposure Info2024-07-10PDF 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 ID6JqDyuu8ECyJwLn0y1s+nA==
Final Action Date2024-07-10
Application PurposeClass II permissive change or modification of presently authorized equipment
Applicant FRN0006794697
ModelRH78V3-A
Frequency Range851-862 MHz
Equipment ClassB9A - Part 90 Class A 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 , 075561180008
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 A signal booster is for private use and public safety operation. This is a C2PC application as documented in this filing.

Applications

Application IDDatePurpose
6JqDyuu8ECyJwLn0y1s+nA==2024-07-10Class II permissive change or modification of presently authorized equipment
04xuDH8NvhYtcX4FThc0aQ==2023-06-26Original Equipment

Equipment Authorization

FrequencyOutputToleranceEmissionRules
769-775 MHz1.7AmpF1W9
769-775 MHz1.8AmpF3E9
769-775 MHz1.8AmpFXE9
769-775 MHz1.8AmpFXD9
799-805 MHz0.5AmpF3E9
799-805 MHz0.5AmpFXE9
799-805 MHz0.5AmpFXD9
799-805 MHz0.5AmpF1E9
799-805 MHz0.5AmpF1D9
799-805 MHz0.4AmpF1W9
806-816 MHz0.5AmpF1E9
806-817 MHz0.5AmpF1E9
806-816 MHz0.5AmpF1D9
806-817 MHz0.5AmpF1D9
806-816 MHz0.4AmpF1W9
806-817 MHz0.5AmpF1W9
806-816 MHz0.5AmpF3E9
806-817 MHz0.5AmpF3E9
806-816 MHz0.4AmpFXE9
806-817 MHz0.5AmpFXE9
806-816 MHz0.4AmpFXD9
806-817 MHz0.5AmpFXD9
851-861 MHz1.8AmpF1E9
851-862 MHz2.1AmpF1E9
851-861 MHz1.8AmpF1D9
851-862 MHz2.1AmpF1D9
851-861 MHz1.7AmpF1W9
851-862 MHz2.1AmpF1W9
851-861 MHz1.7AmpF3E9
851-862 MHz2.1AmpF3E9
851-861 MHz1.9AmpFXE9
851-862 MHz2.1AmpFXE9
851-861 MHz1.9AmpFXD9
851-862 MHz2.1AmpFXD9

Grants

TCB Grant - Application 6JqDyuu8ECyJwLn0y1s+nA==

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: 07/10/2024

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-A
Name of Grantee:  Comba Telecom Network Systems Limited
Equipment Class: Part 90 Class A 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 1.7  Amp F1W
90 769.0  -  775.0 1.8  Amp F3E
90 769.0  -  775.0 1.8  Amp FXE
90 769.0  -  775.0 1.8  Amp FXD
90 799.0  -  805.0 0.5  Amp F1E
90 799.0  -  805.0 0.5  Amp F1D
90 799.0  -  805.0 0.4  Amp F1W
90 799.0  -  805.0 0.5  Amp F3E
90 799.0  -  805.0 0.5  Amp FXE
90 799.0  -  805.0 0.5  Amp FXD
90 851.0  -  862.0 2.1  Amp F1E
90 851.0  -  862.0 2.1  Amp F1D
90 851.0  -  862.0 2.1  Amp F1W
90 851.0  -  862.0 2.1  Amp F3E
90 851.0  -  862.0 2.1  Amp FXE
90 851.0  -  862.0 2.1  Amp FXD
90 806.0  -  817.0 0.5  Amp F1E
90 806.0  -  817.0 0.5  Amp F1D
90 806.0  -  817.0 0.5  Amp F1W
90 806.0  -  817.0 0.5  Amp F3E
90 806.0  -  817.0 0.5  Amp FXE
90 806.0  -  817.0 0.5  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 A signal booster is for private use and public safety operation. This is a C2PC application as documented in this filing.

EAS Grant - Application 6JqDyuu8ECyJwLn0y1s+nA==

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: 07/10/2024

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-A
Name of Grantee:  Comba Telecom Network Systems Limited
Equipment Class: Part 90 Class A 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 1.7  Amp F1W
90 769.0  -  775.0 1.8  Amp F3E
90 769.0  -  775.0 1.8  Amp FXE
90 769.0  -  775.0 1.8  Amp FXD
90 799.0  -  805.0 0.5  Amp F1E
90 799.0  -  805.0 0.5  Amp F1D
90 799.0  -  805.0 0.4  Amp F1W
90 799.0  -  805.0 0.5  Amp F3E
90 799.0  -  805.0 0.5  Amp FXE
90 799.0  -  805.0 0.5  Amp FXD
90 851.0  -  862.0 2.1  Amp F1E
90 851.0  -  862.0 2.1  Amp F1D
90 851.0  -  862.0 2.1  Amp F1W
90 851.0  -  862.0 2.1  Amp F3E
90 851.0  -  862.0 2.1  Amp FXE
90 851.0  -  862.0 2.1  Amp FXD
90 806.0  -  817.0 0.5  Amp F1E
90 806.0  -  817.0 0.5  Amp F1D
90 806.0  -  817.0 0.5  Amp F1W
90 806.0  -  817.0 0.5  Amp F3E
90 806.0  -  817.0 0.5  Amp FXE
90 806.0  -  817.0 0.5  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 A signal booster is for private use and public safety operation. This is a C2PC application as documented in this filing.



TCB Grant - Application 04xuDH8NvhYtcX4FThc0aQ==

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: 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-A
Name of Grantee:  Comba Telecom Network Systems Limited
Equipment Class: Part 90 Class A 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 1.7  Amp F1W
90 769.0  -  775.0 1.8  Amp F3E
90 769.0  -  775.0 1.8  Amp FXE
90 769.0  -  775.0 1.8  Amp FXD
90 799.0  -  805.0 0.5  Amp F1E
90 799.0  -  805.0 0.5  Amp F1D
90 799.0  -  805.0 0.4  Amp F1W
90 799.0  -  805.0 0.5  Amp F3E
90 799.0  -  805.0 0.5  Amp FXE
90 799.0  -  805.0 0.5  Amp FXD
90 851.0  -  861.0 1.8  Amp F1E
90 851.0  -  861.0 1.8  Amp F1D
90 851.0  -  861.0 1.7  Amp F1W
90 851.0  -  861.0 1.7  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 0.5  Amp F1E
90 806.0  -  816.0 0.5  Amp F1D
90 806.0  -  816.0 0.4  Amp F1W
90 806.0  -  816.0 0.5  Amp F3E
90 806.0  -  816.0 0.4  Amp FXE
90 806.0  -  816.0 0.4  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 A signal booster is for private use and public safety operation.

EAS Grant - Application 04xuDH8NvhYtcX4FThc0aQ==

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-A
Name of Grantee:  Comba Telecom Network Systems Limited
Equipment Class: Part 90 Class A 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 1.7  Amp F1W
90 769.0  -  775.0 1.8  Amp F3E
90 769.0  -  775.0 1.8  Amp FXE
90 769.0  -  775.0 1.8  Amp FXD
90 799.0  -  805.0 0.5  Amp F1E
90 799.0  -  805.0 0.5  Amp F1D
90 799.0  -  805.0 0.4  Amp F1W
90 799.0  -  805.0 0.5  Amp F3E
90 799.0  -  805.0 0.5  Amp FXE
90 799.0  -  805.0 0.5  Amp FXD
90 851.0  -  861.0 1.8  Amp F1E
90 851.0  -  861.0 1.8  Amp F1D
90 851.0  -  861.0 1.7  Amp F1W
90 851.0  -  861.0 1.7  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 0.5  Amp F1E
90 806.0  -  816.0 0.5  Amp F1D
90 806.0  -  816.0 0.4  Amp F1W
90 806.0  -  816.0 0.5  Amp F3E
90 806.0  -  816.0 0.4  Amp FXE
90 806.0  -  816.0 0.4  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 A signal booster is for private use and public safety operation.



Mail To: