1. FCC ID
  2. 2BOFD
  3. 2BOFDAW-20

FCC ID 2BOFDAW-20

SeaLink Underwater Smartphone Data Transmitter

by Divevolk (Zhuhai)intelligence Tech Co.,Ltd

Grantee Code: 2BOFD   Product Code: AW20
Latest application date: 2025-09-15

FCC ID Device Details

FCC ID2BOFDAW-20
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BOFD
Product CodeAW20
Applicant BusinessDivevolk (Zhuhai)intelligence Tech Co.,Ltd 🇨🇳
Related Domains divevolk.com
Equipment ClassSeaLink Underwater Smartphone Data Transmitter
Test FirmCentre Testing International Group Co., Ltd

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2412-2462 MHzOriginal Equipment2025-09-15
1850-1914.9 MHzOriginal Equipment2025-09-14

Exhibits

DocumentTypeAvailableFile
user manualUsers Manual2026-03-14PDF 3.1 MB
internal photos_1Internal Photos2026-03-14PDF 4.8 MB
internal photos_2Internal Photos2026-03-14PDF 3.3 MB
external photosExternal Photos2026-03-14PDF 691.8 KB
labelID Label/Location Info2025-09-15PDF 301.6 KB
test setup photosTest Setup Photos2026-03-14PDF 1.6 MB
Test report appendix_1Test Report2025-09-15PDF 4.5 MB
Test report appendix_2Test Report2025-09-15PDF 4.6 MB
Test report appendix_3Test Report2025-09-15PDF 4.6 MB
Test report appendix_4Test Report2025-09-15PDF 4.6 MB
Test report appendix_5Test Report2025-09-15PDF 1.7 MB
Test report_1Test Report2025-09-15PDF 4.8 MB
Test report_2Test Report2025-09-15PDF 4.9 MB
Test report_3Test Report2025-09-15PDF 4.1 MB
antenna specificationTest Report2025-09-15PDF 575.9 KB
LTE test reportTest Report2025-09-14PDF 4.9 MB
Test report appendix band12_1Test Report2025-09-14PDF 4.2 MB
Test report appendix band12_10Test Report2025-09-14PDF 4.5 MB
Test report appendix band12_11Test Report2025-09-14PDF 4.5 MB
Test report appendix band12_12Test Report2025-09-14PDF 4.5 MB
Test report appendix band12_13Test Report2025-09-14PDF 4.5 MB
Test report appendix band12_14Test Report2025-09-14PDF 4.8 MB
Test report appendix band12_2Test Report2025-09-14PDF 4 MB
Test report appendix band12_3Test Report2025-09-14PDF 4.3 MB
Test report appendix band12_4Test Report2025-09-14PDF 4.6 MB
Test report appendix band12_5Test Report2025-09-14PDF 4.4 MB
Test report appendix band12_6Test Report2025-09-14PDF 4.5 MB
Test report appendix band12_7Test Report2025-09-14PDF 4.5 MB
Test report appendix band12_8Test Report2025-09-14PDF 4.5 MB
Test report appendix band12_9Test Report2025-09-14PDF 4.4 MB
Test report appendix band13_1Test Report2025-09-14PDF 4.8 MB
Test report appendix band13_2Test Report2025-09-14PDF 4.5 MB
Test report appendix band13_3Test Report2025-09-14PDF 4.4 MB
Test report appendix band13_4Test Report2025-09-14PDF 3.7 MB
Test report appendix band17_1Test Report2025-09-14PDF 4.2 MB
Test report appendix band17_2Test Report2025-09-14PDF 4.6 MB
Test report appendix band17_3Test Report2025-09-14PDF 4.4 MB
Test report appendix band17_4Test Report2025-09-14PDF 4.5 MB
Test report appendix band17_5Test Report2025-09-14PDF 4.7 MB
Test report appendix band17_6Test Report2025-09-14PDF 4.5 MB
Test report appendix band17_7Test Report2025-09-14PDF 4.4 MB
Test report appendix band25_1Test Report2025-09-14PDF 4.2 MB
Test report appendix band25_10Test Report2025-09-14PDF 4.7 MB
Test report appendix band25_11Test Report2025-09-14PDF 4.8 MB
Test report appendix band25_12Test Report2025-09-14PDF 4.6 MB
Test report appendix band25_13Test Report2025-09-14PDF 4.8 MB
Test report appendix band25_14Test Report2025-09-14PDF 4.7 MB
Test report appendix band25_15Test Report2025-09-14PDF 4.4 MB
Test report appendix band25_16Test Report2025-09-14PDF 4.4 MB
Test report appendix band25_2Test Report2025-09-14PDF 4 MB
Test report appendix band25_3Test Report2025-09-14PDF 4 MB
Test report appendix band25_4Test Report2025-09-14PDF 4 MB
Test report appendix band25_5Test Report2025-09-14PDF 4.2 MB
Test report appendix band25_6Test Report2025-09-14PDF 4.7 MB
Test report appendix band25_7Test Report2025-09-14PDF 4.5 MB
Test report appendix band25_8Test Report2025-09-14PDF 4.8 MB
Test report appendix band25_9Test Report2025-09-14PDF 4.8 MB
Test report appendix band2_1Test Report2025-09-14PDF 4.2 MB
Test report appendix band2_10Test Report2025-09-14PDF 4.6 MB
Test report appendix band2_11Test Report2025-09-14PDF 4.5 MB
Test report appendix band2_12Test Report2025-09-14PDF 4.8 MB
Test report appendix band2_13Test Report2025-09-14PDF 4.4 MB
Test report appendix band2_14Test Report2025-09-14PDF 4.4 MB
Test report appendix band2_15Test Report2025-09-14PDF 4.7 MB
Test report appendix band2_16Test Report2025-09-14PDF 4.2 MB
Test report appendix band2_17Test Report2025-09-14PDF 912.5 KB
Test report appendix band2_2Test Report2025-09-14PDF 4 MB
Test report appendix band2_3Test Report2025-09-14PDF 4 MB
Test report appendix band2_4Test Report2025-09-14PDF 4 MB
Test report appendix band2_5Test Report2025-09-14PDF 4.2 MB
Test report appendix band2_6Test Report2025-09-14PDF 4.7 MB
Test report appendix band2_7Test Report2025-09-14PDF 4.5 MB
Test report appendix band2_8Test Report2025-09-14PDF 4.6 MB
Test report appendix band2_9Test Report2025-09-14PDF 4.8 MB
Test report appendix band4_1Test Report2025-09-14PDF 4.2 MB
Test report appendix band4_10Test Report2025-09-14PDF 4.8 MB
Test report appendix band4_11Test Report2025-09-14PDF 4.6 MB
Test report appendix band4_12Test Report2025-09-14PDF 4.8 MB
Test report appendix band4_13Test Report2025-09-14PDF 4.6 MB
Test report appendix band4_14Test Report2025-09-14PDF 4.5 MB
Test report appendix band4_15Test Report2025-09-14PDF 4.1 MB
Test report appendix band4_16Test Report2025-09-14PDF 4.4 MB
Test report appendix band4_2Test Report2025-09-14PDF 4 MB
Test report appendix band4_3Test Report2025-09-14PDF 4 MB
Test report appendix band4_4Test Report2025-09-14PDF 4 MB
Test report appendix band4_5Test Report2025-09-14PDF 4.2 MB
Test report appendix band4_6Test Report2025-09-14PDF 4.7 MB
Test report appendix band4_7Test Report2025-09-14PDF 4.5 MB
Test report appendix band4_8Test Report2025-09-14PDF 4.7 MB
Test report appendix band4_9Test Report2025-09-14PDF 4.8 MB
Test report appendix band5_1Test Report2025-09-14PDF 4.2 MB
Test report appendix band5_10Test Report2025-09-14PDF 4.5 MB
Test report appendix band5_11Test Report2025-09-14PDF 4.4 MB
Test report appendix band5_12Test Report2025-09-14PDF 4.6 MB
Test report appendix band5_13Test Report2025-09-14PDF 4.5 MB
Test report appendix band5_14Test Report2025-09-14PDF 4.7 MB
Test report appendix band5_2Test Report2025-09-14PDF 4 MB
Test report appendix band5_3Test Report2025-09-14PDF 4.3 MB
Test report appendix band5_4Test Report2025-09-14PDF 4.5 MB
Test report appendix band5_5Test Report2025-09-14PDF 4.6 MB
Test report appendix band5_6Test Report2025-09-14PDF 4.2 MB
Test report appendix band5_7Test Report2025-09-14PDF 4.6 MB
Test report appendix band5_8Test Report2025-09-14PDF 4.5 MB
Test report appendix band5_9Test Report2025-09-14PDF 4.5 MB
antenna specificationTest Report2025-09-14PDF 1.2 MB
Attestation Section 2.911(d)(5)(i)Attestation Statements2025-09-15PDF 353.6 KB
Attestation Section 2.911(d)(5)(ii)Attestation Statements2025-09-15PDF 304.1 KB
SDOC letterAttestation Statements2025-09-15PDF 306.9 KB
US Agent letterAttestation Statements2025-09-15PDF 594.2 KB
POA letterCover Letter(s)2025-09-15PDF 470.2 KB
confidentiality letterCover Letter(s)2025-09-15PDF 422 KB
RF exposure reportRF Exposure Info2025-09-15PDF 1.6 MB
Block Diagram Metadata onlyBlock DiagramPDF 80.2 KB
PCB layout Metadata onlySchematicsPDF 368.6 KB
Schematics Metadata onlySchematicsPDF 169.2 KB
Operational Description Metadata onlyOperational DescriptionPDF 97.6 KB
BOM list Metadata onlyParts List/Tune Up InfoPDF 102.6 KB
Tune up procedure Metadata onlyParts List/Tune Up InfoPDF 78.4 KB

Application Information

Application IDNisKtrz2RR/BykCp5AKO3Q==
Final Action Date2025-09-15
Application PurposeOriginal Equipment
Applicant FRN0036838225
ModelAW-20
Frequency Range2412-2462 MHz
Equipment ClassDTS - Digital Transmission System
Device DescriptionSeaLink Underwater Smartphone Data Transmitter
Responsible PartyZhang Kai, kay.zhang@divevolk.com , +86 18688429899
Test FirmVicky Zhou, Centre Testing International Group Co., Ltd, zhoushuping@cti-cert.com , 86-755-3368-1398
TCB EmailTEI@timcoengr.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceYes
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
NisKtrz2RR/BykCp5AKO3Q==2025-09-15Original Equipment
2bds9HM6ZbrucMdIbmOM1A==2025-09-14Original Equipment

Equipment Authorization

FrequencyOutputToleranceEmissionRules
2412-2462 MHz0.01815C
1850-1910 MHz0.315518.06 PM20M0G7D24E
1710-1755 MHz0.212314.0 PM19M9G7D27
824-849 MHz0.27160.033 PM10M4G7D22H
699-716 MHz0.238815.12 PM10M5G7D27
777-787 MHz0.2717.61 PM10M2G7D27
704-716 MHz0.216811.07 PM10M4G7D27
1850-1914.9 MHz0.275422.74 PM19M7G7D24E
1850-1910 MHz0.315518.06 PM20M0D7W24E
1710-1755 MHz0.212314.0 PM19M9D7W27
824-849 MHz0.27160.033 PM10M4D7W22H
699-716 MHz0.238815.12 PM10M5D7W27
777-787 MHz0.2717.61 PM10M2D7W27
704-716 MHz0.216811.07 PM10M4D7W27
1850-1914.9 MHz0.275422.74 PM19M7D7W24E

Grants

TCB Grant - Application NisKtrz2RR/BykCp5AKO3Q==

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

  IIA Lab Services, LLC
13146 NW 86th Drive Suite 400
Alachua, FL 32615
Date of Grant: 09/15/2025

Application Dated: 09/15/2025
Divevolk (Zhuhai)intelligence Tech Co.,Ltd
17th Floor, Room 229, No. 91, Qinlang Road,
Hengqin New District,
Zhuhai City,
China
 
Attention: Zhang Kai , Sales 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:  2BOFDAW-20
Name of Grantee:  Divevolk (Zhuhai)intelligence Tech Co.,Ltd
Equipment Class: Digital Transmission System
Notes: SeaLink Underwater Smartphone Data Transmitter
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2412.0  -  2462.0 0.018  

Output Power listed is the maximum conducted output power. The antenna(s) used for this transmitter must be installed and operated so as 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, or as evaluated in this filing. End-users must be informed of operating requirements for satisfying RF exposure compliance. This device supports 20 and 40 MHz bandwidth modes.

TCB Grant - Application 2bds9HM6ZbrucMdIbmOM1A==

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

  IIA Lab Services, LLC
13146 NW 86th Drive Suite 400
Alachua, FL 32615
Date of Grant: 09/14/2025

Application Dated: 09/15/2025
Divevolk (Zhuhai)intelligence Tech Co.,Ltd
17th Floor, Room 229, No. 91, Qinlang Road,
Hengqin New District,
Zhuhai City,
China
 
Attention: Zhang Kai , Sales 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:  2BOFDAW-20
Name of Grantee:  Divevolk (Zhuhai)intelligence Tech Co.,Ltd
Equipment Class: PCS Licensed Transmitter
Notes: SeaLink Underwater Smartphone Data Transmitter
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
24E 1850.0  -  1910.0 0.3155 18.06  PM 20M0G7D
27 1710.0  -  1755.0 0.2123 14.0  PM 19M9G7D
22H 824.0  -  849.0 0.2716 0.033  PM 10M4G7D
27 699.0  -  716.0 0.2388 15.12  PM 10M5G7D
27 777.0  -  787.0 0.271 7.61  PM 10M2G7D
27 704.0  -  716.0 0.2168 11.07  PM 10M4G7D
24E 1850.0  -  1914.9 0.2754 22.74  PM 19M7G7D
24E 1850.0  -  1910.0 0.3155 18.06  PM 20M0D7W
27 1710.0  -  1755.0 0.2123 14.0  PM 19M9D7W
22H 824.0  -  849.0 0.2716 0.033  PM 10M4D7W
27 699.0  -  716.0 0.2388 15.12  PM 10M5D7W
27 777.0  -  787.0 0.271 7.61  PM 10M2D7W
27 704.0  -  716.0 0.2168 11.07  PM 10M4D7W
24E 1850.0  -  1914.9 0.2754 22.74  PM 19M7D7W

Output Power is EIRP and ERP for above and below 1 GHz, respectively. The antenna(s) used for this transmitter must be installed and operated so as 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, or as evaluated in this filing. End-users must be informed of operating requirements for satisfying RF exposure compliance. This device supports LTE of 1.4, 3, 5, 10, 15 and 20 MHz bandwidth modes for FDD LTE Bands 2, 4 and 25; LTE of 1.4, 3, 5 and 10 MHz bandwidth modes for FDD LTE Bands 5 and 12; and LTE of 5 and 10 MHz bandwidth modes for FDD LTE Bands 13 and 17.