PST-DT3BXTMBoat Mount Depth Finder

NorCross Marine Products, Inc. 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – EquipmentType Company name: NorCross Marine Products, Inc. Address: 100 SW Albany Ave, Suite 310 Stuart, FL 34994 Stuart, FL 34985-7129 Product Name: Boat Mount Depth Finder FCC ID: PST-DT3BXTM Model(s): DT3BX, DT3BX-TM 2.911(d)(5)(i) EquipmentType We, [NorCross Marine Products, Inc.] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules.  Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Greg Lentine Date: 1/15/2026 Title and Company name: President / NorCross Marine Products, Inc. NOTE 1 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

NorCross Marine Products, Inc. 2.911 (d)(5)(ii) Applicant Attestation v1.3 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: NorCross Marine Products, Inc. Address: 100 SW Albany Ave, Suite 310 Stuart, FL 34994 Stuart, FL 34985-7129 Product Name: Boat Mount Depth Finder FCC ID: PST-DT3BXTM Model(s): DT3BX, DT3BX-TM 2.911(d)(5)(ii) Applicant filing We, [NorCross Marine Products, Inc.] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 ,established pursuant to §1.50002 of this chapter,as an entity producing coveredcommunications equipment. Yours sincerely, Name: Greg Lentine Date: 1/15/2026 Title and Company name: President / NorCross Marine Products, Inc. NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

NorCross Marine Products, Inc. U.S. Agent Letter of Attestation To: Federal Communications Commission 7435 Oakland Mills Road, Columbia, MD 21046, USA Date: 1/15/2026 Ref: Attestation Statement – Part2.911(d)(7) filing FCC ID: PST-DT3BXTM NorCross Marine Products, Inc. (“the applicant”) certifies that, as of the date of the filing of the application, NorCross Marine Products, Inc. (“the agent”) is our designated U.S. agent for service of process for the above reference FCC ID. The applicant accepts to maintain an agent for service of process in the United States forno less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. The applicant further acknowledges it is our responsibility to inform the FCC whenever the agent information changes. NorCross Marine Products, Inc. ("the agent) understand it is the agent's obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address. Designated U.S. Agent Company Name: NorCross Marine Products, Inc. Address: 100 SW Albany Ave, Suite 310 Stuart,FL 34994 United States Of America Signature: Contact Person: Greg Lentine Tel: 407-230-2001 Email: [email protected] FRN: 0035439470 Applicant Company Name: NorCross Marine Products, Inc. Address: 100 SW Albany Ave, Suite 310 Stuart,FL 34994 United States Of America Signature: Contact Person: Greg Lentine Tel: 407-230-2001 Email: [email protected] FRN: 0035439470

NorCross Marine Products, Inc. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2024/01/29 Subject; Request for Confidentiality FCC ID: PST-DT3BXTM To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description SOFTWARE SECURITY REQUIREMENTS FOR U-NII DEVICES In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Greg Lentine Title: President Email: [email protected]

NorCross Marine Products, Inc. Letter of Authorization Company: NorCross Marine Products, Inc. Address: 100 SW Albany Ave, Suite 310 Stuart,FL 34994 United States Of America Product Name: Boat Mount Depth Finder Model Number(s): DT3BX, DT3BX-TM Product Description: Boat Mount Depth Finder We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2026-1-4 Name: Greg Lentine Title: President Company: NorCross Marine Products, Inc.

FCC ID: PST-DT3BXTM IC: 4167A-DT3BXTM MADE IN CHINA NORCROSS OUTDOORS STUART, FL ~ USA DATE CODE: HawkEye® DT3BX Label size： 35*18mm

FCC ID: PST-DT3BXTM Maximum Permissible Exposure (MPE) According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) MPE Calculation Method E (V/m) ＝ d G P * * 30 Power Density: Pd (W/m²) ＝ 377 2 E E ＝ Electric field (V/m) P ＝ Average RF output power (W) G ＝ EUT Antenna numeric gain (numeric) d ＝ Separation distance between radiator and human body (m) The formula can be changed to Pd ＝ 2 * 377 * * 30 D G P From the EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the used antenna, the RF power density can be obtained. Measurement Result Operation Frequency: 2402MHz~2480MHz Antenna gain: 1.5dBi; R=20cm BLE: conducted power Evaluation result Power density Limits (dBm) (mW) (dBi) Numeric 2402 -7.12 -7±1 -6 0.251 1.50 1.41 0.0001 1 2440 -7.48 -7±1 -6 0.251 1.50 1.41 0.0001 1 2480 -7.91 -7±1 -6 0.251 1.50 1.41 0.0001 1 (mW/cm2) Antenna Gain GFSK1M Max tune-up power Channel Freq. (MHz) modulation Tune-up power (dBm) (dBm) (mW/cm2 ) Conclusion: Compliance RF exposure. Signature: Date: 2026-01-16 NAME AND TITLE (Please print or type): alex li/Manager COMPANY (Please print or type): Shenzhen NTEK Testing Technology Co., Ltd./ No. 24 Xinfa East Road, Xiangshan Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, People's Republic of China

一、Specifications Table e : Main technical parameters of products the key technical indexes Main technical specifications frequency range （MHZ） 2400-2500 Frequency Range (MHZ) 2400-2500 Characteristic impedance () 50 Impedance(Ω) 50 Gain (dBi) 1±0.5 Gain(dBi) 1±0.5 Polarization mode Linear polarization Polarization Linear Working temperature -20°C~+70°C Operating Temp -20°C~+70°C Preservation temperature -20°C~+70°C Storage Temp -20°C~+70°C manufacturer：Shenzhen Xudaxin Technology Co., Ltd. address： 909 SHIFENG Building,6267 Baoan avenue, Qiaotou community, Fuhai street, Baoan district Shenzhen 二． Antenna diagram and dimensions (mm): 三、Test Report: : Network analyzer test report : darkroom 2D, 3 dration pattern 2.4GHz Gain:1.41 dBi Efficiency:75.6 1% 2.45GHz Gain: 1.50dBi Efficiency: 78.45% 2.5GHz Gain: 1.46dBi Efficiency: 79.32%

Report No.: N25112105905E Version.1.3 Page 1 of 54 RADIO TEST REPORT FCC ID: PST-DT3BXTM Product: Boat Mount Depth Finder Trade Mark: HawkEye Model No.: DT3BX Family Model: DT3BX-TM Report No.: N25112105905E Issue Date: Dec. 16, 2025 Prepared for NorCross Marine Products, Inc 100 SW Albany Ave, Suite 310 Stuart, FL 34994 Stuart, FL 34985-7129 Prepared by Shenzhen NTEK Testing Technology Co., Ltd. No. 24 Xinfa East Road, Xiangshan Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, People's Republic of China Tel. 0755-23200050 Website: http://www.ntek.org.cn Report No.: N25112105905E Version.1.3 Page 2 of 54 Table of Contents Page 1 TEST RESULT CERTIFICATION ...................................................................................................................... 3 2 SUMMARY OF TEST RESULTS ......................................................................................................................... 4 3 FACILITIES AND ACCREDITATIONS ............................................................................................................. 5 3.1 FACILITIES ..................................................................................................................................................... 5 3.2 LABORATORY ACCREDITATIONS AND LISTINGS ................................................................................. 5 3.3 MEASUREMENT UNCERTAINTY ............................................................................................................... 5 4 GENERAL DESCRIPTION OF EUT .................................................................................................................. 6 5 DESCRIPTION OF TEST MODES ..................................................................................................................... 8 6 SETUP OF EQUIPMENT UNDER TEST ........................................................................................................... 9 6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ....................................................................... 9 6.2 SUPPORT EQUIPMENT ............................................................................................................................... 10 6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS .............................................................................................. 11 7 TEST REQUIREMENTS .................................................................................................................................... 13 7.1 CONDUCTED EMISSIONS TEST ............................................................................................................... 13 7.2 RADIATED SPURIOUS EMISSION ............................................................................................................ 15 7.3 6DB BANDWIDTH ....................................................................................................................................... 24 7.4 DUTY CYCLE ............................................................................................................................................... 25 7.5 PEAK OUTPUT POWER .............................................................................................................................. 27 7.6 POWER SPECTRAL DENSITY ................................................................................................................... 28 7.7 CONDUCTED BAND EDGE MEASUREMENT ......................................................................................... 30 7.8 SPURIOUS RF CONDUCTED EMISSIONS ................................................................................................ 31 7.9 ANTENNA APPLICATION .......................................................................................................................... 32 8 TEST RESULTS ................................................................................................................................................... 33 8.1 DUTY CYCLE ................................................................................................................................................... 33 8.2 MAXIMUM CONDUCTED OUTPUT POWER ....................................................................................................... 36 8.3 -6DB BANDWIDTH .......................................................................................................................................... 39 8.4 OCCUPIED CHANNEL BANDWIDTH .................................................................................................................. 42 8.5 MAXIMUM POWER SPECTRAL DENSITY LEVEL ............................................................................................... 45 8.6 BAND EDGE .................................................................................................................................................... 48 8.7 CONDUCTED RF SPURIOUS EMISSION ............................................................................................................. 51 Report No.: N25112105905E Version.1.3 Page 3 of 54 1 TEST RESULT CERTIFICATION Applicant’s name ......................... : NorCross Marine Products, Inc Address ....................................... : 100 SW Albany Ave, Suite 310 Stuart, FL 34994 Stuart, FL 34985-7129 Manufacturer's Name .................. : Sundek Industrial Co., Limited Address ....................................... : No.7, TongFuYu XuFa Industrial Zoon, ShangCun Village, GongMing Town, GuangMing, Shenzhen, GuangDong, China Product description Product name .............................. : Boat Mount Depth Finder Trade Mark .................................. : N/A Model and/or type reference ...... : DT3BX Family Model ............................... : DT3BX-TM Test Sample number ................... : S2511240169-1# Date of Test ................................. : Nov. 21, 2025 ~ Dec. 16, 2025 Measurement Procedure Used: APPLI…

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