1. FCC ID
  2. PX8
  3. PX8RX78V2F-A

FCC ID PX8RX78V2F-A

Public Safety Bi-directional Amplifier

by Comba Telecom Network Systems Limited

Grantee Code: PX8   Product Code: RX78V2FA
Latest application date: 2024-06-27

FCC ID Device Details

FCC IDPX8RX78V2F-A
Mirrorsfcc.id | gov | fccid.ai
Grantee CodePX8
Product CodeRX78V2FA
Applicant BusinessComba Telecom Network Systems Limited 🇨🇳
Related Domains comba-network.com
Equipment ClassPublic Safety Bi-directional Amplifier
Test FirmGRG Metrology & Test Group Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
769-775 MHzClass II permissive change or modification of presently authorized equipment2024-06-27
851-861 MHzOriginal Equipment2022-09-09

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2024-06-27PDF 2.3 MB
User manual rev_01Users Manual2022-09-09PDF 2.3 MB
Internal photos Metadata onlyInternal Photos2024-06-27PDF 745.3 KB
External PhotosExternal Photos2024-06-27PDF 308.2 KB
External photos finalExternal Photos2022-09-09PDF 180.3 KB
label locationID Label/Location Info2022-09-09PDF 286.2 KB
Test Setup PhotosTest Setup Photos2024-06-27PDF 762.2 KB
Test setup photos finalTest Setup Photos2022-09-09PDF 354.7 KB
RF Test report CLASS A repeater MU _page 1-25 rev_01Test Report2024-06-27PDF 4.4 MB
RF Test report CLASS A repeater MU _page 101-125 rev_01Test Report2024-06-27PDF 4.7 MB
RF Test report CLASS A repeater MU _page 126-150 rev_01Test Report2024-06-27PDF 4.1 MB
RF Test report CLASS A repeater MU _page 151-160 rev_01Test Report2024-06-27PDF 1.6 MB
RF Test report CLASS A repeater MU _page 161-175 rev_01Test Report2024-06-27PDF 4.1 MB
RF Test report CLASS A repeater MU _page 176-225 rev_01Test Report2024-06-27PDF 5.4 MB
RF Test report CLASS A repeater MU _page 226-250 rev_01Test Report2024-06-27PDF 3.6 MB
RF Test report CLASS A repeater MU _page 251-300 rev_01Test Report2024-06-27PDF 5.6 MB
RF Test report CLASS A repeater MU _page 26-50 rev_01Test Report2024-06-27PDF 2.8 MB
RF Test report CLASS A repeater MU _page 301-325 rev_01Test Report2024-06-27PDF 2.9 MB
RF Test report CLASS A repeater MU _page 51-75 rev_01Test Report2024-06-27PDF 5.4 MB
RF Test report CLASS A repeater MU _page 76-100 rev_01Test Report2024-06-27PDF 5 MB
Test report PART90 page1-80 finalTest Report2022-09-09PDF 5 MB
Test report PART90 page161-240 finalTest Report2022-09-09PDF 5.5 MB
Test report PART90 page81-160 finalTest Report2022-09-09PDF 5.7 MB
Covered List AttestationAttestation Statements2024-06-27PDF 168.4 KB
US Agent Letter for Service of processAttestation Statements2024-06-27PDF 128.4 KB
Authority to Act as AgentCover Letter(s)2024-06-27PDF 99.1 KB
Declaration letter class ACover Letter(s)2024-06-27PDF 113.2 KB
Declaration of ConformityCover Letter(s)2024-06-27PDF 128.8 KB
FCC Class II PC request letter Rev_01Cover Letter(s)2024-06-27PDF 111 KB
POACover Letter(s)2024-06-27PDF 108.9 KB
Request for Confidentiality PX8RX78V2F-A rev_01Cover Letter(s)2024-06-27PDF 148.3 KB
Authority to Act as AgentCover Letter(s)2022-09-09PDF 118.4 KB
Declaration letter class ACover Letter(s)2022-09-09PDF 163.2 KB
Declaration of ConformityCover Letter(s)2022-09-09PDF 116.3 KB
Request for Confidentiality PX8RX78V2F-ACover Letter(s)2022-09-09PDF 120.6 KB
MPE report rev_01RF Exposure Info2024-06-27PDF 1.5 MB
MPE report finalRF Exposure Info2022-09-09PDF 1.4 MB
Block Diagram Metadata onlyBlock DiagramPDF 38.3 KB
PCB LAYOUT 1 Metadata onlySchematicsPDF 2.7 MB
PCB LAYOUT 2 Metadata onlySchematicsPDF 358 KB
PCB LAYOUT 3 Metadata onlySchematicsPDF 175.7 KB
SCH 1 Metadata onlySchematicsPDF 1.8 MB
SCH 2 Metadata onlySchematicsPDF 274.1 KB
SCH 3 Metadata onlySchematicsPDF 49.1 KB
Operation Description Metadata onlyOperational DescriptionPDF 166.1 KB
Operation description rev_01 Metadata onlyOperational DescriptionPDF 163 KB
BOM rev_01 Metadata onlyParts List/Tune Up InfoPDF 162.6 KB
Tune up Procedure rev_01 Metadata onlyParts List/Tune Up InfoPDF 1.4 MB
Tune up procedure Metadata onlyParts List/Tune Up InfoPDF 1.4 MB

Application Information

Application IDTrO32Aopp59MzMtj2JapGw==
Final Action Date2024-06-27
Application PurposeClass II permissive change or modification of presently authorized equipment
Applicant FRN0006794697
ModelRX78V2F-A
Frequency Range769-775 MHz
Equipment ClassB9A - Part 90 Class A Industrial Booster (non-SMR)
Device DescriptionPublic Safety Bi-directional Amplifier
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 , 075561180008
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 the filing. .

Applications

Application IDDatePurpose
TrO32Aopp59MzMtj2JapGw==2024-06-27Class II permissive change or modification of presently authorized equipment
WTpNZRzIy7eegAAnFG/qyQ==2022-09-09Original Equipment

Equipment Authorization

FrequencyOutputToleranceEmissionRules
769-775 MHz2.34AmpF1W9
769-775 MHz2.24AmpF3E9
769-775 MHz2.29AmpFXE9
769-775 MHz2.29AmpFXD9
799-805 MHz0.62AmpF3E9
799-805 MHz0.55AmpFXE9
799-805 MHz0.55AmpFXD9
799-805 MHz0.62AmpF1E9
799-805 MHz0.62AmpF1D9
799-805 MHz0.59AmpF1W9
806-816 MHz0.6AmpF1E9
806-817 MHz0.6AmpF1E9
806-816 MHz0.6AmpF1D9
806-817 MHz0.6AmpF1D9
806-816 MHz0.58AmpF1W9
806-817 MHz0.58AmpF1W9
806-816 MHz0.6AmpF3E9
806-817 MHz0.6AmpF3E9
806-816 MHz0.51AmpFXE9
806-817 MHz0.51AmpFXE9
806-816 MHz0.51AmpFXD9
806-817 MHz0.51AmpFXD9
851-861 MHz2.09AmpF1E9
851-862 MHz2.09AmpF1E9
851-861 MHz2.09AmpF1D9
851-862 MHz2.09AmpF1D9
851-861 MHz2.04AmpF1W9
851-862 MHz2.04AmpF1W9
851-861 MHz2AmpF3E9
851-862 MHz2AmpF3E9
851-861 MHz2AmpFXE9
851-862 MHz2AmpFXE9
851-861 MHz2AmpFXD9
851-862 MHz2AmpFXD9

Grants

TCB Grant - Application WTpNZRzIy7eegAAnFG/qyQ==

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: 09/09/2022

Application Dated: 09/07/2022
Comba Telecom Network Systems Limited
Flat/Rm 10, 3/F, Bio-Informatics Ctr, 2 Science
Park West Avenue, HK Science Park
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:  PX8RX78V2F-A
Name of Grantee:  Comba Telecom Network Systems Limited
Equipment Class: Part 90 Class A Industrial Booster (non-SMR)
Notes: Public Safety Bi-directional Amplifier
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
90 769.0  -  775.0 2.34  Amp F1E
90 769.0  -  775.0 2.34  Amp F1D
90 769.0  -  775.0 2.34  Amp F1W
90 769.0  -  775.0 2.24  Amp F3E
90 769.0  -  775.0 2.29  Amp FXE
90 769.0  -  775.0 2.29  Amp FXD
90 799.0  -  805.0 0.62  Amp F1E
90 799.0  -  805.0 0.62  Amp F1D
90 799.0  -  805.0 0.59  Amp F1W
90 799.0  -  805.0 0.62  Amp F3E
90 799.0  -  805.0 0.55  Amp FXE
90 799.0  -  805.0 0.55  Amp FXD
90 851.0  -  861.0 2.09  Amp F1E
90 851.0  -  861.0 2.09  Amp F1D
90 851.0  -  861.0 2.04  Amp F1W
90 851.0  -  861.0 2.0  Amp F3E
90 851.0  -  861.0 2.0  Amp FXE
90 851.0  -  861.0 2.0  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 0.58  Amp F1W
90 806.0  -  816.0 0.6  Amp F3E
90 806.0  -  816.0 0.51  Amp FXE
90 806.0  -  816.0 0.51  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 WTpNZRzIy7eegAAnFG/qyQ==

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
HongKong, 510663
China 		  Date of Grant: 09/09/2022

Application Dated: 09/07/2022
 
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:  PX8RX78V2F-A
Name of Grantee:  Comba Telecom Network Systems Limited
Equipment Class: Part 90 Class A Industrial Booster (non-SMR)
Notes: Public Safety Bi-directional Amplifier
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
90 769.0  -  775.0 2.34  Amp F1E
90 769.0  -  775.0 2.34  Amp F1D
90 769.0  -  775.0 2.34  Amp F1W
90 769.0  -  775.0 2.24  Amp F3E
90 769.0  -  775.0 2.29  Amp FXE
90 769.0  -  775.0 2.29  Amp FXD
90 799.0  -  805.0 0.62  Amp F1E
90 799.0  -  805.0 0.62  Amp F1D
90 799.0  -  805.0 0.59  Amp F1W
90 799.0  -  805.0 0.62  Amp F3E
90 799.0  -  805.0 0.55  Amp FXE
90 799.0  -  805.0 0.55  Amp FXD
90 851.0  -  861.0 2.09  Amp F1E
90 851.0  -  861.0 2.09  Amp F1D
90 851.0  -  861.0 2.04  Amp F1W
90 851.0  -  861.0 2.0  Amp F3E
90 851.0  -  861.0 2.0  Amp FXE
90 851.0  -  861.0 2.0  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 0.58  Amp F1W
90 806.0  -  816.0 0.6  Amp F3E
90 806.0  -  816.0 0.51  Amp FXE
90 806.0  -  816.0 0.51  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.



TCB Grant - Application TrO32Aopp59MzMtj2JapGw==

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: 06/27/2024

Application Dated: 06/25/2024
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:  PX8RX78V2F-A
Name of Grantee:  Comba Telecom Network Systems Limited
Equipment Class: Part 90 Class A Industrial Booster (non-SMR)
Notes: Public Safety Bi-directional Amplifier
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
90 769.0  -  775.0 2.34  Amp F1E
90 769.0  -  775.0 2.34  Amp F1D
90 769.0  -  775.0 2.34  Amp F1W
90 769.0  -  775.0 2.24  Amp F3E
90 769.0  -  775.0 2.29  Amp FXE
90 769.0  -  775.0 2.29  Amp FXD
90 799.0  -  805.0 0.62  Amp F1E
90 799.0  -  805.0 0.62  Amp F1D
90 799.0  -  805.0 0.59  Amp F1W
90 799.0  -  805.0 0.62  Amp F3E
90 799.0  -  805.0 0.55  Amp FXE
90 799.0  -  805.0 0.55  Amp FXD
90 851.0  -  862.0 2.09  Amp F1E
90 851.0  -  862.0 2.09  Amp F1D
90 851.0  -  862.0 2.04  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 2.0  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 0.58  Amp F1W
90 806.0  -  817.0 0.6  Amp F3E
90 806.0  -  817.0 0.51  Amp FXE
90 806.0  -  817.0 0.51  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 the filing.

.


EAS Grant - Application TrO32Aopp59MzMtj2JapGw==

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: 06/27/2024

Application Dated: 06/25/2024
 
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:  PX8RX78V2F-A
Name of Grantee:  Comba Telecom Network Systems Limited
Equipment Class: Part 90 Class A Industrial Booster (non-SMR)
Notes: Public Safety Bi-directional Amplifier
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
90 769.0  -  775.0 2.34  Amp F1E
90 769.0  -  775.0 2.34  Amp F1D
90 769.0  -  775.0 2.34  Amp F1W
90 769.0  -  775.0 2.24  Amp F3E
90 769.0  -  775.0 2.29  Amp FXE
90 769.0  -  775.0 2.29  Amp FXD
90 799.0  -  805.0 0.62  Amp F1E
90 799.0  -  805.0 0.62  Amp F1D
90 799.0  -  805.0 0.59  Amp F1W
90 799.0  -  805.0 0.62  Amp F3E
90 799.0  -  805.0 0.55  Amp FXE
90 799.0  -  805.0 0.55  Amp FXD
90 851.0  -  862.0 2.09  Amp F1E
90 851.0  -  862.0 2.09  Amp F1D
90 851.0  -  862.0 2.04  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 2.0  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 0.58  Amp F1W
90 806.0  -  817.0 0.6  Amp F3E
90 806.0  -  817.0 0.51  Amp FXE
90 806.0  -  817.0 0.51  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 the filing.

.



Mail To: