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    <periodOfReport>2023-09-21</periodOfReport>

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    <issuer>
        <issuerCik>0001810739</issuerCik>
        <issuerName>Radius Global Infrastructure, Inc.</issuerName>
        <issuerTradingSymbol>RADI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001420969</rptOwnerCik>
            <rptOwnerName>Goldstein Richard I</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O RADIUS GLOBAL INFRASTRUCTURE, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>3 BALA PLAZA EAST, SUITE 502</rptOwnerStreet2>
            <rptOwnerCity>BALA CYNWYD</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Operating Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

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    <footnotes>
        <footnote id="F1">On 09/21/2023 (the &quot;Effective Time&quot;), pursuant to the Agreement and Plan of Merger, dated as of March 1, 2023 (as amended or otherwise modified from time to time, the &quot;Merger Agreement&quot;), by and among Radius Global Infrastructure, Inc., a Delaware corporation (the &quot;Company&quot;), APW OpCo LLC, a Delaware limited liability company (&quot;OpCo&quot;), Chord Parent, Inc., a Delaware corporation (&quot;Parent&quot;), Chord Merger Sub I, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (&quot;Merger Sub I&quot;), and Chord Merger Sub II, LLC, a Delaware limited liability company and a wholly owned subsidiary of Merger Sub I (&quot;Merger Sub II&quot;), Merger Sub II merged with and into OpCo and Merger Sub I merged with and into the Company.</footnote>
        <footnote id="F2">(Continued from Footnote 1) Pursuant to the Merger Agreement, (a) unless otherwise agreed, each share of the Company's Class A Common Stock was converted into the right to receive $15.00 per share in cash (the &quot;Merger Consideration&quot;) and (b) each share of the Company's Class B Common Stock and each share of the Company's Series B Founder Preferred Stock was canceled for no consideration.</footnote>
        <footnote id="F3">Includes shares of Class B Common Stock that were granted in tandem with a corresponding number of Series A long-term incentive units (&quot;Series A LTIP Unit&quot;) and Series C long-term incentive units (&quot;Series C LTIP Unit&quot;) in OpCo.</footnote>
        <footnote id="F4">Pursuant to the Merger Agreement, at the Effective Time, unless otherwise agreed, each outstanding Series A LTIP Unit, Series C LTIP Unit and Series B long-term incentive unit (&quot;Series B LTIP Unit&quot; and, collectively with Series A LTIP Unit and Series C LTIP Unit, &quot;LTIP Units&quot;) vested with all applicable performance conditions deemed satisfied and was canceled and converted into the right to receive a lump-sum cash payment, without interest, equal to the product of the Merger Consideration and the number of shares of Class A Common Stock into which such LTIP Unit was convertible immediately prior to the Effective Time.</footnote>
        <footnote id="F5">Reflects shares of the Company's Series B Founder Preferred Stock (&quot;Series B Founder Preferred Stock&quot;) that were granted in tandem with a corresponding number of Series B LTIP Units and were convertible on a one-to-one basis into the Company's Class B Common Stock prior to the Effective Time.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Andrew Rosenstein, as Attorney in Fact</signatureName>
        <signatureDate>2023-09-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
