2ABLPMX3210Maritime MSDR, Portable MSDR

ViaSat Proprietary This material contains proprietary information to ViaSat, Inc. Disclosure to others, use or copying without the express written authorization of ViaSat, Inc. is strictly prohibited. Installation Manual for the MSDR Document No.: xxxxxxx, Rev. 001 24 September 2025 Prepared for: Internal Use Prepared by: Viasat Inc. 6155 El Camino Real Carlsbad, California 92009 i Dissemination restricted as described on cover page Revision Record Revision Rationale Release Date Rev 001 For Internal Review 24 Sept 2025 2 Dissemination restricted as described on cover page 1 SCOPE This document defines the installation for the MSDR Transceiver used in the MSDR Above Deck Unit (ADU). 1.1 SYSTEM OVERVIEW The MSDR user terminal will be used to provide maritime users high speed access to the Viasat broadband satellite system. The terminal consists of a Below Deck Unit (BDU) and an ADU. The BDU is located within the interior of the vessel and connects to the customer provided equipment. The ADU will be located within a radome external to the vessel and mounted with line of sight to the Satellite. The ADU consists of a parabolic antenna, a radome, an Antenna Control Unit (ACU) and a Transceiver unit. The Antenna collects and broadcasts signals to and from the Ka-band satellite. The Transceiver transmits and receives data to/from the satellite, conducts frequency translation and all modulation/demodulation of the signal between RF and baseband. The BDU consists of a 19” 1U LRU Modem that provides power/communications to the ADU as well as communicating with the vessel’s Gyro and Switch Router. For the interests of testing the MSDR standalone, a Smart Power Supply will be used to interface between the ethernet connection of a system computer and the Transceiver and provides both data and power. Figure 1 – System Overview 3 Dissemination restricted as described on cover page 2 INSTALLATION The BDU shall be powered off before the ADU installation is started. The ADU shall be mounted as needed for a clear line of sight to the Satellite. The Transceiver shall connect to the BDU via Viasat approved 50Ω, low loss LMR-400 coax cable terminated with male F-Type Connectors. The ADU and LMR-400 cable shall be properly grounded. 4 Dissemination restricted as described on cover page 3 POWER Input power to the MSDR is between 40Vdc < V < 50Vdc with a max current < 3.75A The input power operates at two discrete levels. During startup, a default level of 40V nominal is used for initial power on. During installation the BDU power will be off, and there will be no DC voltage on the coax. If the BDU is inadvertently powered on during installation, the lower level 40V will be maintained as the nominal voltage until the coax cable is connected to the BDU. The coax cable will switch to 48V nominal only after the LMR-400 coax connects the ADU to the BDU, and after the ADU/BDU establish communication. 5 Dissemination restricted as described on cover page 4 OPERATING ENVIRONMENT The ADU Operating Environment is as follows:  Temperature: -40°C to +71°C with two fans providing 60 CFM  Humidity: 0% to 100%  Altitude: 4300m (max) 6 Dissemination restricted as described on cover page 5 SIZE The MSDR is 8.27 in x 5.89 in 7 Dissemination restricted as described on cover page Federal Communication Commission Interference Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. 8 Dissemination restricted as described on cover page Industry Canada statement This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference, including interference that may cause undesired operation of the device. L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes : 1. L’appareil ne doit pas produire de brouillage; 2. L’appareil doit accepte…

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U.S. Agent for Service of Process Attestation To the attention of Federal Communications Commission Authorization and Evaluation Division Designated U.S Agent Company Name: ViaSat, Inc. Contact Name: Jarrett S Taubman Street Address: 6155 El Camino Real City/Province/Zip: Carlsbad, California, 92009 Telephone No: (202)383-5050 Email: [email protected] This letter is to confirm that we have accepted the responsibility to act as the designated U.S. Agent for service of process as required by §2.911(d)(7) on behalf of the Applicant noted below. We don’t do any other business with the FCC and don’t have an FRN. U.S. Agent Signature: Date: 2026-03-24 Signed by: Jarrett S Taubman Applicant Company Name: ViaSat, Inc. Grantee Code: 2ABLP FRN: 0004963088 Contact Name: Daryl Hunter Street Address: 6155 El Camino Real City/Province/Zip: Carlsbad, California, 92009 Telephone No: 760-476-2583 Email: [email protected] This letter is to confirm that the Applicant has designated the U.S Agent noted above for the purpose of accepting service of process on their behalf as required by §2.911(d)(7). The Applicant further acknowledges acceptance to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Date: 2026-03-24 Signed by: Daryl Hunter

Reference No.: BEOO-WTW-P25090091_EXT Page No. 1/9 CONSTRUCTION PHOTOS OF EUT Model: MX3210, Part Number: MX3210N-000 Reference No.: BEOO-WTW-P25090091_EXT Page No. 2/9 Reference No.: BEOO-WTW-P25090091_EXT Page No. 3/9 Reference No.: BEOO-WTW-P25090091_EXT Page No. 4/9 Reference No.: BEOO-WTW-P25090091_EXT Page No. 5/9 GPS+BT ANT Reference No.: BEOO-WTW-P25090091_EXT Page No. 6/9 Reference No.: BEOO-WTW-P25090091_EXT Page No. 7/9 Ka band ANT Reference No.: BEOO-WTW-P25090091_EXT Page No. 8/9 Reference No.: BEOO-WTW-P25090091_EXT Page No. 9/9

Reference No.: BEOO-WTW-P25090091-1_EXT Page No. 1/9 CONSTRUCTION PHOTOS OF EUT Model: MX3210, Part Number: PX3210N-000 Reference No.: BEOO-WTW-P25090091-1_EXT Page No. 2/9 Reference No.: BEOO-WTW-P25090091-1_EXT Page No. 3/9 Reference No.: BEOO-WTW-P25090091-1_EXT Page No. 4/9 Reference No.: BEOO-WTW-P25090091-1_EXT Page No. 5/9 GPS+BT ANT Reference No.: BEOO-WTW-P25090091-1_EXT Page No. 6/9 Reference No.: BEOO-WTW-P25090091-1_EXT Page No. 7/9 Ka band ANT Reference No.: BEOO-WTW-P25090091-1_EXT Page No. 8/9 Reference No.: BEOO-WTW-P25090091-1_EXT Page No. 9/9

Label and Label location

Reference No.: BEOO-WTW-P25090091_INT Page No. 1/7 CONSTRUCTION PHOTOS OF EUT Model: MX3210, Part Number: MX3210N-000 Reference No.: BEOO-WTW-P25090091_INT Page No. 2/7 Reference No.: BEOO-WTW-P25090091_INT Page No. 3/7 Reference No.: BEOO-WTW-P25090091_INT Page No. 4/7 Reference No.: BEOO-WTW-P25090091_INT Page No. 5/7 Reference No.: BEOO-WTW-P25090091_INT Page No. 6/7 Reference No.: BEOO-WTW-P25090091_INT Page No. 7/7

Reference No.: BEOO-WTW-P25090091-1_INT Page No. 1/7 CONSTRUCTION PHOTOS OF EUT Model: MX3210, Part Number: PX3210N-000 Reference No.: BEOO-WTW-P25090091-1_INT Page No. 2/7 Reference No.: BEOO-WTW-P25090091-1_INT Page No. 3/7 Reference No.: BEOO-WTW-P25090091-1_INT Page No. 4/7 Reference No.: BEOO-WTW-P25090091-1_INT Page No. 5/7 Reference No.: BEOO-WTW-P25090091-1_INT Page No. 6/7 Reference No.: BEOO-WTW-P25090091-1_INT Page No. 7/7

Report No.: MFBEOO-WTW-P25090091 Page No. 1 / 9Report Format Version: 7.1.0 RF EXPOSURE REPORT CERTIFICATE OF CONFORMITY FCC Rule Part: FCC Part 2 (Section 2.1091) Report No.: MFBEOO-WTW-P25090091 FCC ID: 2ABLPMX3210 Product: Maritime MSDR, Portable MSDR Brand: Viasat Model No.: MX3210 Part Number: MX3210N-000, PX3210N-000 Received Date: 2025/9/3 Test Date: 2025/11/3 Issued Date: 2026/1/5 Applicant: Viasat, Inc. Address: 6155 EI Camino Real Carlsbad, CA 92009, United States Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location: No. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City 33383, Taiwan FCC Registration / Desi gnation Number: 788550 / TW0003 Approved by: , Date:2026/1/5 Jeremy Lin / Project Engineer This test report consists of 9 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The test results in the report only apply to the tested sample. The test results in this report are traceable to the national or international standards. Prepared b y : Polly Chien / Specialist This report is governed by, and incorporates by reference, the Conditions of Testing as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our- business/cps/about-us/terms-conditions/ and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. Statements of conformity are based on simple acceptance criteria without taking measurement uncertainty into account, unless otherwise requested in writing. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Report No.: MFBEOO-WTW-P25090091 Page No. 2 / 9Report Format Version: 7.1.0 Table of Contents Release Control Record ....................................................................................................................................................... 3 1 Certificate .................................................................................................................................................................... 4 2 Applicable RF Exposure Limit .................................................................................................................................. 5 3 Test Results ................................................................................................................................................................ 7 4 Conclusion .................................................................................................................................................................. 8 5 Information of the Testing Laboratories .................................................................................................................. 9 Report No.: MFBEOO-WTW-P25090091 Page No. 3 / 9Report Format Version: 7.1.0 Release Control Record Issue No. Description Date Issued MFBEOO-WTW-P25090091 Original release. 2026/1/5 Report No.: MFBEOO-WTW-P25090091 Page No. 4 / 9Report Format Version: 7.1.0 1 Certificate Product: Maritime MSDR, Portable MSDR (refer to note) Brand: Viasat Test Model: MX3210 Part Number: MX3210N-000, PX3210N-000 (refer to note) Sample Status: Engineering sample Applicant: Viasat, Inc. Test Date: 2025/11/3 FCC Rule Part: FCC Part 2 (Section 2.1091) Standard: KDB 447498 D04 Interim General RF Exposure Guidance v01 The above equipment has been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch, and found compliance with the requirement of the above standards. The test record, data evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts of the measurements of the sample’s RF characteristics under the conditions specified in this report. Note: All models are listed as below. Model Part Number Product Firmware/ software Difference System Impedance Schematic Appearance (Mounting Method) (Ω) R844 U808 Bayonet MX3210 MX3210N-000 Maritime MSDR blackbird-factory- g_5.0.0.2.920_cicd 50 Yes No DNI PX3210N-000 Portable MSDR 75 No Yes Yes Report No.: MFBEOO-WTW-P25090091 Page No. 5 / 9Report Format Version: 7.1.0 2 Applicable RF Exposure Limit § 1.1310 Radiofrequency radiation exposure limits. (a) Specific absorption rate (SAR) shall be used to evaluate the environmental impact of human exposure to radiofrequency (RF) radiation as specified in § 1.1307(b) of this part within the frequency range of 100 kHz to 6 GHz (inclusive). (b) The SAR limits for occupational/controlled exposure are 0.4 W/kg, as averaged over the whole body, and a peak spatial-average SAR of 8 W/kg, averaged over any 1 gram of tissue (defined as a tissue volume in the shape of a cube). Exceptions are the parts of the hum…

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ElectricalSpecifications Typical characteristics measured 84mm x 198mm ground plane above 155mmx 230mmmetal box DATASHEET PartNo.1004848 Product:GNSS/BT AntennaAssembly 11/24/2021Proprietary www.KYOCERA-AVX.com MechanicalSpecifications&OrderingPartNumber KEYBENEFITS ReducedCosts& Time-to-Market Standard antennas eliminate design fees, redesign cycle time and minimize risk associated with customersolution.Quickertimeto market. QuickerTime-to-Market By optimizing antenna size, performance and emissions, customerandregulatory specificationsaremoreeasilymet. Reliability Products are the latest RoHS versioncompliant. APPLICATIONS •Embedded design •POS, Headsets, Tablets •Gateway, Access Point •Telematics •Tracking •Healthcare •M2M, Industrial devices •SmartGrid •OBD-II PartNo.1004848 GNSS/ BTAntennaAssembly 1.561GHz,1.575GHz,1.603GHz,2400-2485MHz Supports:Tracking,SmartHome,Agriculture,Healthcare,IndustrialDevices GNSS/ BTAntenna Assembly 1.561GHz,1.575GHz,1.603 GHz,2400-2485MHz KYOCERA AVXantennas deliver on the key needs of device designers for higher functionality and performancein a small form factor. These innovative antennasprovidecompellingadvantagesforGNSS/BT enableddevices, such as having a direct connection to the PCB which avoids the use of connectors and cables. OrderingPart#1004848 Dimensions(mm)61.13x12.63x17.18 MountingTypeScrewMount ColorBlack Weight(g)6 Standard(s)ComplianceRoHS Frequency (GHz)1.575 1.559 - 1.591 1.593 - 1.610 2.400 - 2.485 BandsGPSGalileoGLONASSBT Peak Gain3.53 dB3.59 dB3.42 dB2.95 dB Average Efficiency53%54%54%43% VSWR Match1.3:11.3:11.3:11.65:1 Feed Point Impedance50 Ω unbalanced DATASHEET|PartNo. 1004848 GNSS/ BTAntennaAssemblySpecifications KYOCERA AVX producesawidevariety ofstandardandcustomantennastomeetuserneeds. Typical ReturnLoss, VSWR, Efficiency, Peak Gain Plots Typical performanceon84mmx 198mmgroundplaneabove155mm x230mmmetalbox VSWR-GPS,Galileo,GLONASS VSWR-BT Efficiency-GPS,Galileo,GLONASS Efficiency-BT PeakGain-GPS,Galileo,GLONASS PeakGain-BT tel+(1) 858.550.3820 email:[email protected] ©2021KYOCERA AVX DATASHEET|PartNo. 1004848 GNSS/ BTAntennaAssemblySpecifications KYOCERA AVX producesawidevariety ofstandardandcustomantennastomeetuserneeds. AntennaRadiationPatterns Typicalperformanceon84mmx198mmgroundplaneabove155mmx230mmmetalbox Measured@ 1.561GHz,1.575GHz,1.603GHz,2400-2485MHz ©2021KYOCERA AVX tel+(1) 858.550.3820 email:[email protected] DATASHEET|PartNo. 1004848 GNSS/ BTAntennaAssemblySpecifications KYOCERA AVX producesawidevariety ofstandardandcustomantennastomeetuserneeds. AntennaRadiationPatternsCont. Typicalperformanceon84mmx198mmgroundplaneabove155mmx230mmmetalbox Measured@ 1.561GHz,1.575GHz,1.603GHz,2400-2485MHz ©2021KYOCERA AVX tel+(1) 858.550.3820 email:[email protected] DATASHEET|PartNo. 1004848 GNSS/ BTAntennaAssemblySpecifications KYOCERA AVX producesawidevariety ofstandardandcustomantennastomeetuserneeds. AntennaLayout Typical Layout Dimensions (mm) ©2021KYOCERA AVX Pin#Description 1 BT Pin 2 GNSS Pin PinDescriptions P1 P2 tel+(1) 858.550.3820 email:[email protected] DATASHEET|PartNo. 1004848 GNSS/ BTAntennaAssemblySpecifications KYOCERA AVX producesawidevariety ofstandardandcustomantennastomeetuserneeds. MechanicalDimensions Typicalantenna dimensions,inmm. ©2021KYOCERA AVX PartNumberDescriptionA(mm)B(mm)C(mm) 1004848GNSS / BT Antenna Assembly 61.1312.6317.18 A B C GNSS PINBT PIN tel+(1) 858.550.3820 email:[email protected] DATASHEET|PartNo. 1004848 GNSS/ BTAntennaAssemblySpecifications KYOCERA AVX producesawidevariety ofstandardandcustomantennastomeetuserneeds. Mounting Recommendations ©2021KYOCERA AVX tel+(1) 858.550.3820 email:[email protected] DATASHEET|PartNo. 1004848 GNSS/ BTAntennaAssemblySpecifications KYOCERA AVX producesawidevariety ofstandardandcustomantennastomeetuserneeds. Mounting Recommendations Cont. ©2021KYOCERA AVX FOR WATERTIGHT REQUIREMENTS WE RECOMMEND TO USE GROOVE & FLAP SEALANT FEATURES + RTV tel+(1) 858.550.3820 email:[email protected]

Report No.: RFBEOO-WTW-P25090091 Page No. 1 / 42Report Format Version: 7.2.0 TEST REPORT CERTIFICATE OF CONFORMITY Standard: 47 CFR FCC Part 15, Subpart C (Section 15.247) Report No.: RFBEOO-WTW-P25090091 FCC ID: 2ABLPMX3210 Product: Maritime MSDR, Portable MSDR (refer to item 3.1 for more details) Brand: Viasat Model No.: MX3210 Part Number: MX3210N-000, PX3210N-000 (refer to item 3.1 for more details) Received Date: 2025/9/3 Test Date: 2025/11/3 ~ 2025/12/8 Issued Date: 2026/1/5 Applicant: Viasat, Inc. Address: 6155 EI Camino Real Carlsbad, CA 92009, United States Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location: No. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City 33383, Taiwan FCC Registration / Desi gnation Number: 788550 / TW0003 Approved by: , Date:2026/1/5 Jeremy Lin / Project Engineer This test report consists of 42 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The test results in the report only apply to the tested sample. The test results in this report are traceable to the national or international standards. Prepared b y : Polly Chien / Specialist This report is governed by, and incorporates by reference, the Conditions of Testing as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our- business/cps/about-us/terms-conditions/ and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. Statements of conformity are based on simple acceptance criteria without taking measurement uncertainty into account, unless otherwise requested in writing. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Report No.: RFBEOO-WTW-P25090091 Page No. 2 / 42Report Format Version: 7.2.0 Table of Contents Release Control Record ....................................................................................................................................................... 4 1 Certificate .................................................................................................................................................................... 5 2 Summary of Test Results .......................................................................................................................................... 6 2.1 Measurement Uncertainty ........................................................................................................................................ 6 2.2 Supplementary Information ...................................................................................................................................... 6 3 General Information ................................................................................................................................................... 7 3.1 General Description .................................................................................................................................................. 7 3.2 Antenna Description of EUT ..................................................................................................................................... 8 3.3 Channel List .............................................................................................................................................................. 9 3.4 Test Mode Applicability and Tested Channel Detail ................................................................................................ 10 3.5 Duty Cycle of Test Signal........................................................................................................................................ 11 3.6 Test Program Used and Operation Descriptions .................................................................................................... 12 3.7 Connection Diagram of EUT and Peripheral Devices ............................................................................................ 12 3.8 Configuration of Peripheral Devices and Cable Connections ................................................................................ 12 4 Test Instruments ...................................................................................................................................................... 13 4.1 RF Output Power .................................................................................................................................................... 13 4.2 Power Spectral Density .......................................................................................................................................... 13 4.3 6 dB Bandwidth ......................................................…

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Reference No.: BEOO-WTW-P25090091 _TSup Page No. 1/ 4 PHOTOGRAPHS OF THE TEST CONFIGURATION Conducted Emission Test Reference No.: BEOO-WTW-P25090091 _TSup Page No. 2/ 4 Radiated Emission Test (Below 1GHz) Reference No.: BEOO-WTW-P25090091 _TSup Page No. 3/ 4 Radiated Emission Test (Above 1GHz) Reference No.: BEOO-WTW-P25090091 _TSup Page No. 4/ 4 RF Output Power Conducted Measurement