{"id":1863,"date":"2016-01-04T16:39:55","date_gmt":"2016-01-04T21:39:55","guid":{"rendered":"https:\/\/www.mayflowercom.com\/us\/?page_id=1863"},"modified":"2025-10-21T15:35:22","modified_gmt":"2025-10-21T19:35:22","slug":"navguard-420-4-channel-anti-jam","status":"publish","type":"page","link":"https:\/\/www.mayflowercom.com\/us\/products\/gps-anti-jam-products\/navguard-420-4-channel-anti-jam\/","title":{"rendered":"NavGuard\u00ae 420 GPS Anti-Jam"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-xvyi93-190e49201b9750d3f7bb66a633bb4f25\">\n.avia-section.av-xvyi93-190e49201b9750d3f7bb66a633bb4f25{\nbackground-color:#4c6999;\nbackground-image:url(https:\/\/www.mayflowercom.com\/us\/wp-content\/uploads\/2015\/12\/military-UAV-subpage-header-300x28.jpg);\nbackground-repeat:no-repeat;\nbackground-position:50% 50%;\nbackground-attachment:scroll;\n}\n.avia-section.av-xvyi93-190e49201b9750d3f7bb66a633bb4f25 .av-section-color-overlay{\nopacity:0.5;\nbackground-image:url(https:\/\/www.mayflowercom.com\/us\/wp-content\/uploads\/2015\/10\/line-pattern-1.png);\nbackground-repeat:repeat;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-xvyi93-190e49201b9750d3f7bb66a633bb4f25 main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_three_fifth  avia-builder-el-first  avia-full-stretch avia-bg-style-scroll av-section-color-overlay-active av-minimum-height av-minimum-height-custom av-height-custom  container_wrap sidebar_right'  data-section-bg-repeat='stretch' data-av_minimum_height_px='180'><div class=\"av-section-color-overlay-wrap\"><div class=\"av-section-color-overlay\"><\/div><div class='container av-section-cont-open' style='height:180px'><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-1863'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-vwmk9j-e6ed899174ed72181655cf82fc3e8159\">\n.flex_column.av-vwmk9j-e6ed899174ed72181655cf82fc3e8159{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-vwmk9j-e6ed899174ed72181655cf82fc3e8159 av_three_fourth  avia-builder-el-1  avia-builder-el-no-sibling  first flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ubhdmf-5db3bbe1db3d211e72eae46ec839246a\">\n#top .av-special-heading.av-ubhdmf-5db3bbe1db3d211e72eae46ec839246a{\npadding-bottom:0;\ncolor:#ffffff;\nfont-size:36px;\n}\nbody .av-special-heading.av-ubhdmf-5db3bbe1db3d211e72eae46ec839246a .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-ubhdmf-5db3bbe1db3d211e72eae46ec839246a .av-special-heading-tag{\nfont-size:36px;\n}\n.av-special-heading.av-ubhdmf-5db3bbe1db3d211e72eae46ec839246a .special-heading-inner-border{\nborder-color:#ffffff;\n}\n.av-special-heading.av-ubhdmf-5db3bbe1db3d211e72eae46ec839246a .av-subheading{\nfont-size:14px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-ubhdmf-5db3bbe1db3d211e72eae46ec839246a .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-ubhdmf-5db3bbe1db3d211e72eae46ec839246a .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-ubhdmf-5db3bbe1db3d211e72eae46ec839246a av-special-heading-h3 custom-color-heading blockquote modern-quote  avia-builder-el-2  avia-builder-el-no-sibling  av-thin-font av-inherit-size'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >NavGuard\u00ae 420 HI-GAINS <strong>GPS Anti-Jam System<\/strong><\/h3><div class='av_custom_color av-subheading av-subheading_below'><p>Mayflower developed a Low-Cost 4 Channel Anti-Jam electronics for Projectiles, small UAVs, or other small SWaP applications.<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div>\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><\/div><div id='after_section_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-1863'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-t5ytlz-172dde1753fda253c657bf94a7e16bed\">\n.flex_column.av-t5ytlz-172dde1753fda253c657bf94a7e16bed{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-t5ytlz-172dde1753fda253c657bf94a7e16bed av_three_fifth  avia-builder-el-3  el_after_av_section  el_before_av_two_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-qpwliv-320660583147aebb40993149f090ac09\">\n#top .av-special-heading.av-qpwliv-320660583147aebb40993149f090ac09{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-qpwliv-320660583147aebb40993149f090ac09 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-qpwliv-320660583147aebb40993149f090ac09 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-qpwliv-320660583147aebb40993149f090ac09 av-special-heading-h3 blockquote modern-quote  avia-builder-el-4  el_before_av_textblock  avia-builder-el-first '><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Capabilities and Features<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-qcizk7-6cfb09546b3985ad35254dd8dd9cc8fa '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>NavGuard\u00ae 420 HI-GAINS leverages operationally proven MAGNA GPS Anti-Jam solutions which have been integrated by multiple US Military and Government Agency platforms.\u00a0 The 4-Channel <i>NavGuard 420<\/i><i>\u00ae<\/i> HI-GAINS is the highest performance and smallest GPS anti-jam integrated solution on the market utilizing a fully integrated CRPA Antenna with integrated AJ electronics that is a FRPA footprint compatible system.\u00a0 The HI-GAINS consistently out performs many larger 4-Channel Anti-Jam solutions. <i>NavGuard<\/i><i>\u00ae<\/i><i> 420 <\/i>HI-GAINS has been performance qualification tested by the US Navy NAVAIR and will undergo Environmental Testing to meet Government Technical Requirement Document (TRD) specification requirements.\u00a0 The HI-GAINS is a TRL 6 and has been integrated on US Navy Platforms to be flown in a NAVWAR Environment.<\/p>\n<p>HI-GAINS AJ solution offers an affordable SWaP-C alternative over larger and more expensive existing anti-jam systems. This Anti-Jam system is C\/A, SAASM and M-Code compatible.<\/p>\n<p>The HI-GAINS AJ Algorithm in its current form has been proven in Military NAVWAR Environments.\u00a0 HI-GAINS is available to support platform integration and qualification.\u00a0 Please contact us for additional information and pricing.<\/p>\n<\/div><\/section><br \/>\n<div id='avia-messagebox-' class='avia_message_box av_notification av-oebjwn-440a5495c6ad21e16cd0c5b3f6b4b6b9 avia-color-silver avia-size-normal avia-icon_select-no avia-border-dashed  avia-builder-el-6  el_after_av_textblock  avia-builder-el-last  note-style1' ><div class=\"avia_message_box_content\"><div style=\"margin-bottom: 10px !important;\">Learn more about the technology behind the NavGuard\u00ae 420 GPS Anti-Jam.<\/div>\n<div><div  class='avia-button-wrap avia-button-center  avia-builder-el-7  avia-builder-el-no-sibling  buttonstyle1'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lwbvtj-f192e1b2aa2bdce29824be7067804e99\">\n#top #wrap_all .avia-button.av-lwbvtj-f192e1b2aa2bdce29824be7067804e99{\ncolor:#ffffff;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-lwbvtj-f192e1b2aa2bdce29824be7067804e99:hover{\ncolor:#ffffff;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/www.mayflowercom.com\/us\/technology\/gps-anti-jam\/' class='avia-color-theme-color avia-button avia-button-fullwidth av-lwbvtj-f192e1b2aa2bdce29824be7067804e99 avia-icon_select-yes-left-icon avia-color-theme-color'  ><span class='avia_button_icon avia_button_icon_left' aria-hidden='true' data-av_icon='\ue875' data-av_iconfont='entypo-fontello'><\/span><span class='avia_iconbox_title' >Learn More<\/span><span class='avia_button_background avia-button avia-button-fullwidth avia-color-theme-color-subtle'><\/span><\/a><\/div><\/div>\n<\/div><\/div><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l1dcd3-9d1206d039526fcaaad5e0d06d5136ee\">\n.flex_column.av-l1dcd3-9d1206d039526fcaaad5e0d06d5136ee{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-l1dcd3-9d1206d039526fcaaad5e0d06d5136ee av_two_fifth  avia-builder-el-8  el_after_av_three_fifth  el_before_av_hr  flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ijpodj-64eaf1b94f741cd528adf9d1caca2047\">\n.avia-image-container.av-ijpodj-64eaf1b94f741cd528adf9d1caca2047 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-ijpodj-64eaf1b94f741cd528adf9d1caca2047 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-ijpodj-64eaf1b94f741cd528adf9d1caca2047 av-styling- avia-align-center  avia-builder-el-9  el_before_av_button  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/www.mayflowercom.com\/us\/wp-content\/uploads\/2022\/05\/NavGuard-420_HI_GAINS.png\" data-srcset=\"https:\/\/www.mayflowercom.com\/us\/wp-content\/uploads\/2022\/05\/NavGuard-420_HI_GAINS.png 424w, https:\/\/www.mayflowercom.com\/us\/wp-content\/uploads\/2022\/05\/NavGuard-420_HI_GAINS-300x190.png 300w, https:\/\/www.mayflowercom.com\/us\/wp-content\/uploads\/2022\/05\/NavGuard-420_HI_GAINS-100x63.png 100w\" data-sizes=\"(max-width: 424px) 100vw, 424px\" class='avia_image'  aria-label='NavGuard 420_HI_GAINS'><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-4381 avia-img-lazy-loading-not-4381 avia_image ' src=\"https:\/\/www.mayflowercom.com\/us\/wp-content\/uploads\/2022\/05\/NavGuard-420_HI_GAINS-300x190.png\" alt='' title='NavGuard 420_HI_GAINS'  height=\"190\" width=\"300\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.mayflowercom.com\/us\/wp-content\/uploads\/2022\/05\/NavGuard-420_HI_GAINS-300x190.png 300w, https:\/\/www.mayflowercom.com\/us\/wp-content\/uploads\/2022\/05\/NavGuard-420_HI_GAINS-100x63.png 100w, https:\/\/www.mayflowercom.com\/us\/wp-content\/uploads\/2022\/05\/NavGuard-420_HI_GAINS.png 424w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/div><\/div><\/div><br \/>\n<div  class='avia-button-wrap av-i569s7-2f16bd71200a76a02435e6f69586ac9d-wrap avia-button-center  avia-builder-el-10  el_after_av_image  avia-builder-el-last '><a href='https:\/\/www.mayflowercom.com\/us\/wp-content\/uploads\/2025\/10\/Datasheet_NavGuard-420_HI_GAINS-Rev-2.pdf'  class='avia-button av-i569s7-2f16bd71200a76a02435e6f69586ac9d avia-icon_select-yes-left-icon avia-size-medium avia-position-center avia-color-dark'  target=\"_blank\"  rel=\"noopener noreferrer\" ><span class='avia_button_icon avia_button_icon_left' aria-hidden='true' data-av_icon='\ue82d' data-av_iconfont='entypo-fontello'><\/span><span class='avia_iconbox_title' >Download Data Sheet<\/span><\/a><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-fcng07-d6a2cba50cea294a7611f215327623af\">\n#top .hr.hr-invisible.av-fcng07-d6a2cba50cea294a7611f215327623af{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-fcng07-d6a2cba50cea294a7611f215327623af hr-invisible  avia-builder-el-11  el_after_av_two_fifth  el_before_av_one_full '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ep9ysn-aa12343fb001987dbe7b19b9dbcb3d2d\">\n.flex_column.av-ep9ysn-aa12343fb001987dbe7b19b9dbcb3d2d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-ep9ysn-aa12343fb001987dbe7b19b9dbcb3d2d av_one_full  avia-builder-el-12  el_after_av_hr  el_before_av_one_full  first flex_column_div av-zero-column-padding  '     ><div  class='tabcontainer av-bxkptz-2511e6a4ccd5294662d15d31b3881fab top_tab  avia-builder-el-13  avia-builder-el-no-sibling ' role='tablist'>\n<section class='av_tab_section av_tab_section av-arpy07-f3909561ca92a448df1feea2e6757f37'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='tab active_tab' role='tab' tabindex='0' data-fake-id='#tab-id-1' aria-controls='tab-id-1-content'  itemprop=\"headline\" >Technical Specifications<\/div><div id='tab-id-1-content' class='tab_content active_tab_content' aria-hidden=\"false\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><p><b>Antenna Electronics External Interface:\u00a0 <\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>VDC Power &amp; Data I\/O : 10-Pin Glenair Power-Data I\/O Pin-Out<\/li>\n<li>Single GPS RF Output Connectors: SMA (Male)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Antenna External Interface:\u00a0 <\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Antenna Output Connectors: SMA (Male)<\/li>\n<li>Built-in-Test (BIT) auto fault detection and logging<\/li>\n<li>Operating Temperature: -40\u00b0 C to +85\u00b0 C<\/li>\n<li>GPS RF Gain: Adjustable<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Noise Figure: &lt;3.5dB<\/li>\n<\/ul>\n<\/div><\/div><\/section>\n<section class='av_tab_section av_tab_section av-9sextz-455633c2efb6ad8ac9c87dcfcd050e9d'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='tab' role='tab' tabindex='0' data-fake-id='#tab-id-2' aria-controls='tab-id-2-content'  itemprop=\"headline\" >High level Features<\/div><div id='tab-id-2-content' class='tab_content' aria-hidden=\"true\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><ul>\n<li style=\"list-style-type: none;\"><\/li>\n<li>4-channel AJ design mitigates large number of spatially located WB\/NB jammers<\/li>\n<li>Supports BFEA<\/li>\n<li>Robust RF front-end handles high-power co-site signals<\/li>\n<li>Simultaneous (L1 and L2) GPS protection<\/li>\n<li>Compatible with any GPS receiver (C\/A, P(Y), M-Code)<\/li>\n<li>Provides greater than 90 dB J\/S anti-jam protection<\/li>\n<li>Upgradable with Direction of Arrival (DoA)<\/li>\n<li style=\"list-style-type: none;\"><\/li>\n<\/ul>\n<\/div><\/div><\/section>\n<section class='av_tab_section av_tab_section av-6wd0fr-e9956b0e06e4cfc77c55d04bd7422d3c'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='tab' role='tab' tabindex='0' data-fake-id='#tab-id-3' aria-controls='tab-id-3-content'  itemprop=\"headline\" >Performance Metrics<\/div><div id='tab-id-3-content' class='tab_content' aria-hidden=\"true\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><ul>\n<li>Dynamics: Suitable for very high dynamics applications<\/li>\n<li>Designed to counter Rotor Blade modulation<\/li>\n<li>Simultaneous dual frequency (L1 and L2)<\/li>\n<li>Mitigates multiple CW, partial band, broadband and pulsed jammers even under high dynamics<\/li>\n<li>Uses multiple element spatial temporal adaptive filtering (STAP)<\/li>\n<li>Greater than 40 dB of jamming suppression against multiple jammers<\/li>\n<\/ul>\n<\/div><\/div><\/section>\n<section class='av_tab_section av_tab_section av-5p0nlj-7e2e5b198125df286bac2c59600110d2'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='tab' role='tab' tabindex='0' data-fake-id='#tab-id-4' aria-controls='tab-id-4-content'  itemprop=\"headline\" >SWaP Metrics<\/div><div id='tab-id-4-content' class='tab_content' aria-hidden=\"true\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><p><b>\u00a0 <\/b>Size: AE w\/ CRPA: 2.60 inches Length<\/p>\n<p>2.60 inches Width<\/p>\n<p>1.19 inches Height<\/p>\n<p>Weight: 4 oz (AE w\/ CRPA)<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>Power: 28VDC, &lt;10 Watts<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div><\/section>\n<\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-469f3b-b9404007fa10362302e079acc541911e\">\n.flex_column.av-469f3b-b9404007fa10362302e079acc541911e{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-469f3b-b9404007fa10362302e079acc541911e av_one_full  avia-builder-el-14  el_after_av_one_full  avia-builder-el-last  first flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2vhlt3-a2973225bda2f07423bf275e91408a8a\">\n#top .av_textblock_section.av-2vhlt3-a2973225bda2f07423bf275e91408a8a .avia_textblock{\nfont-size:12px;\n}\n<\/style>\n<section  class='av_textblock_section av-2vhlt3-a2973225bda2f07423bf275e91408a8a '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><em>NavAssure\u00ae is a registered trademark of Mayflower Communications Company, Inc.<\/em><\/p>\n<\/div><\/section><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":179,"menu_order":20,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1863","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NavGuard\u00ae 400 GPS Anti-Jam - Mayflower Communications<\/title>\n<meta name=\"description\" content=\"NavGuard\u00ae 400 is low-cost 4 Channel Anti-Jam electronics for Gun-Launched Projectiles, small UAVs, or other small SWaP applications.\" \/>\n<meta name=\"robots\" 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