<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019faad3-a2a5-7776-94e3-864eb7fa6186,g:8861f014-b46a-4abe-a82d-f16465e2af4b-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.comtechtel.com/role/Cover" xlink:type="simple" xlink:href="cmtl-20260730.xsd#Cover"/>
  <link:presentationLink xlink:role="http://www.comtechtel.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019faad3-a2a5-7bf6-87ce-334545394cc9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_019faad3-a2a5-76b1-a452-67c0369cb95f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019faad3-a2a5-7bf6-87ce-334545394cc9" xlink:to="loc_dei_DocumentInformationTable_019faad3-a2a5-76b1-a452-67c0369cb95f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesAddressTypeAxis_019faad3-a2a5-79a8-9374-01eac65a5193" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressesAddressTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_019faad3-a2a5-76b1-a452-67c0369cb95f" xlink:to="loc_dei_EntityAddressesAddressTypeAxis_019faad3-a2a5-79a8-9374-01eac65a5193" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain_019faad3-a2a5-735e-b076-6b157c8a2ccf" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AddressTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityAddressesAddressTypeAxis_019faad3-a2a5-79a8-9374-01eac65a5193" xlink:to="loc_dei_AddressTypeDomain_019faad3-a2a5-735e-b076-6b157c8a2ccf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_FormerAddressMember_019faad3-a2a5-7b8f-be61-976be6296642" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_FormerAddressMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_AddressTypeDomain_019faad3-a2a5-735e-b076-6b157c8a2ccf" xlink:to="loc_dei_FormerAddressMember_019faad3-a2a5-7b8f-be61-976be6296642" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_019faad3-a2a5-76b1-a452-67c0369cb95f" xlink:to="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019faad3-a2a5-72e3-b2ed-6cfdc4d34f26" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_DocumentType_019faad3-a2a5-72e3-b2ed-6cfdc4d34f26" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019faad3-a2a5-77c1-b14d-0d6b5e688788" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_DocumentPeriodEndDate_019faad3-a2a5-77c1-b14d-0d6b5e688788" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019faad3-a2a5-705d-95d9-aef37fb3dd41" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_EntityFileNumber_019faad3-a2a5-705d-95d9-aef37fb3dd41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019faad3-a2a5-7b98-81ac-87549dedcdde" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_EntityRegistrantName_019faad3-a2a5-7b98-81ac-87549dedcdde" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019faad3-a2a5-7010-b5c9-a03985eafcf9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019faad3-a2a5-7010-b5c9-a03985eafcf9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019faad3-a2a5-76e5-a5c2-a37201ab2105" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_EntityTaxIdentificationNumber_019faad3-a2a5-76e5-a5c2-a37201ab2105" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019faad3-a2a5-74b8-99af-408379c775a4" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_EntityAddressAddressLine1_019faad3-a2a5-74b8-99af-408379c775a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_019faad3-a2a5-7edf-9013-4f0122763026" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_EntityAddressAddressLine2_019faad3-a2a5-7edf-9013-4f0122763026" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019faad3-a2a5-73fc-b0bf-def195739463" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_EntityAddressCityOrTown_019faad3-a2a5-73fc-b0bf-def195739463" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019faad3-a2a5-7340-9f62-9e157a03561f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_EntityAddressStateOrProvince_019faad3-a2a5-7340-9f62-9e157a03561f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019faad3-a2a5-7387-b02f-f34f9d352230" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_EntityAddressPostalZipCode_019faad3-a2a5-7387-b02f-f34f9d352230" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019faad3-a2a5-76b0-b139-f7818357100a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_CityAreaCode_019faad3-a2a5-76b0-b139-f7818357100a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019faad3-a2a5-76c4-af64-e66f1d6cbe18" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_LocalPhoneNumber_019faad3-a2a5-76c4-af64-e66f1d6cbe18" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019faad3-a2a5-7783-b2d5-bb901d881e41" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_WrittenCommunications_019faad3-a2a5-7783-b2d5-bb901d881e41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019faad3-a2a5-75ee-aa21-69c959badf0d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_SolicitingMaterial_019faad3-a2a5-75ee-aa21-69c959badf0d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019faad3-a2a5-7a2c-bb2a-62594657256c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_PreCommencementTenderOffer_019faad3-a2a5-7a2c-bb2a-62594657256c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019faad3-a2a5-7f85-bc7a-04790a79ec34" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019faad3-a2a5-7f85-bc7a-04790a79ec34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019faad3-a2a5-756a-96b7-5cd3105c3fb7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_Security12bTitle_019faad3-a2a5-756a-96b7-5cd3105c3fb7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019faad3-a2a5-7ac6-a626-0eed73b2d224" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_TradingSymbol_019faad3-a2a5-7ac6-a626-0eed73b2d224" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019faad3-a2a5-7dbd-9a31-09871af610c8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_SecurityExchangeName_019faad3-a2a5-7dbd-9a31-09871af610c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019faad3-a2a5-7fa2-ba66-1b245f6b2bab" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_EntityEmergingGrowthCompany_019faad3-a2a5-7fa2-ba66-1b245f6b2bab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019faad3-a2a5-7342-8d9d-98a29d513440" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_AmendmentFlag_019faad3-a2a5-7342-8d9d-98a29d513440" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019faad3-a2a5-7a56-a20e-906f5e5236b8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019faad3-a2a5-7c05-8fce-d340ca58bffb" xlink:to="loc_dei_EntityCentralIndexKey_019faad3-a2a5-7a56-a20e-906f5e5236b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
