{"id":9179,"date":"2021-09-23T19:16:13","date_gmt":"2021-09-23T11:16:13","guid":{"rendered":"http:\/\/www.mateksys.com\/?post_type=portfolio&#038;p=9179"},"modified":"2026-01-19T12:47:44","modified_gmt":"2026-01-19T04:47:44","slug":"elrs-r24","status":"publish","type":"portfolio","link":"https:\/\/www.mateksys.com\/?portfolio=elrs-r24","title":{"rendered":"mLRS\/ELRS 2.4GHz Receiver, R24-D"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3taywb-afc94a01d1d0a8e7f5747f9c656c0fc7\">\n#top .av-special-heading.av-3taywb-afc94a01d1d0a8e7f5747f9c656c0fc7{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-3taywb-afc94a01d1d0a8e7f5747f9c656c0fc7 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-3taywb-afc94a01d1d0a8e7f5747f9c656c0fc7 .av-subheading{\nfont-size:13px;\n}\n<\/style>\n<div  class='av-special-heading av-3taywb-afc94a01d1d0a8e7f5747f9c656c0fc7 av-special-heading-h2 blockquote modern-quote modern-centered  avia-builder-el-0  el_before_av_slideshow  avia-builder-el-first '><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >ExpressLRS\/ELRS 2.4GHz Receiver<\/h2><div class='av-subheading av-subheading_below'><p>There are 2 products(SKU) in this page: ELRS-R24-D, ELRS-R24-S<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<div  class='avia-slideshow av-ktwnoo6l-2a9299b54aa610bb899f0245670f4af1 avia-slideshow-featured_large av_slideshow avia-slide-slider  avia-builder-el-1  el_after_av_heading  el_before_av_tab_container  av-slideshow-ui av-control-default av-slideshow-autoplay av-loop-endless av-loop-manual-endless av-default-height-applied avia-slideshow-1' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:true,&quot;loop_autoplay&quot;:&quot;endless&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 40%;'><li  class='avia-slideshow-slide av-ktwnoo6l-2a9299b54aa610bb899f0245670f4af1__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap '   ><img fetchpriority=\"high\" class=\"wp-image-9183 avia-img-lazy-loading-not-9183\"  src='https:\/\/www.mateksys.com\/wp-content\/uploads\/2021\/09\/ELRS-R24-D_1.jpg' width='1500' height='600' title='ELRS-R24-D_1' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><\/ul><\/div>\n<div  class='tabcontainer av-ktwnrdxj-87d140e6293c7fc23fe6bb0a15a4015e top_tab  avia-builder-el-2  el_after_av_slideshow  avia-builder-el-last ' role='tablist'>\n<section class='av_tab_section av_tab_section av-5nr5q3-562895592aa8482fe2b742e39cceccb2'  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\" >ELRS-R24-D<\/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><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9196\" src=\"https:\/\/www.mateksys.com\/wp-content\/uploads\/2021\/09\/ELRS-R24-D_3.jpg\" alt=\"\" width=\"1500\" height=\"600\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9184\" src=\"https:\/\/www.mateksys.com\/wp-content\/uploads\/2021\/09\/ELRS-R24-D_2.jpg\" alt=\"\" width=\"1500\" height=\"600\" \/><\/p>\n<p><strong>ELRS-R24-D Specifications<\/strong><\/p>\n<ul>\n<li>ESP8285, SX1280\/1281IMLTRT<\/li>\n<li>PA\/LNA: SE2431L<\/li>\n<li>Antenna connector: IPEX MHF 1<\/li>\n<li>RF Frequency: 2.4GHz (2400~2480MHz)<\/li>\n<li>Telemetry power: 22.5dbm~23dbm<\/li>\n<li>SE2431L RX_gain: 12.5dB<\/li>\n<li>Diversity (antenna-switching), <strong>default ANT2<\/strong><\/li>\n<li>Receiver protocol: CRSF<\/li>\n<li>Input voltage: 4~9V DC @ 5V pad<\/li>\n<li>Power dissipation:\u00a0 40~45mA(before binding), 70~75mA(binding), 90~95mA(wifi mode)<\/li>\n<li>PCB size: 21mm x 15mm<\/li>\n<li>Weight: 3g w\/ 2x antennas<\/li>\n<li>Packing: 1x ELRS-R24-D,\u00a0 \u00a02x IPEX MHF1 Antennas<\/li>\n<\/ul>\n<p><strong>Firmwares<\/strong><\/p>\n<ul>\n<li><strong>ExpressLRS 1.x &amp; 2.x,\u00a0 MATEK 2400 RX\u00a0 enable &#8220;USE_DIVERSITY<\/strong><\/li>\n<li><strong>ExpressLRS 3.x or newer, MATEK R24-D 2.4GHz RX<\/strong><\/li>\n<li>Firmware update via UART or WIFI<\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/www.mateksys.com\/Downloads\/other\/MATEK_ELRS-R24_STEP.zip\" target=\"_blank\" rel=\"noopener\">3D STEP file<\/a><\/li>\n<\/ul>\n<div id=\"gtx-trans\" style=\"position: absolute; left: 262px; top: 1431.19px;\">\n<div class=\"gtx-trans-icon\"><\/div>\n<\/div>\n<\/div><\/div><\/section>\n<section class='av_tab_section av_tab_section av-3aplob-95394fc1f53cded1e2b637857a67ec2c'  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\" >ELRS-R24-S (discontinued)<\/div><div id='tab-id-2-content' class='tab_content' aria-hidden=\"true\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9181\" src=\"https:\/\/www.mateksys.com\/wp-content\/uploads\/2021\/09\/ELRS-R24-S_2.jpg\" alt=\"\" width=\"1500\" height=\"600\" \/><\/p>\n<p><strong>ELRS-R24-S Specifications<\/strong><\/p>\n<ul>\n<li>ESP8285, SX1280\/1281IMLTRT<\/li>\n<li>PA\/LNA: AT2401C<\/li>\n<li>molex 479480001 SMT antenna<\/li>\n<li>RF Frequency: 2.4GHz ISM<\/li>\n<li>Telemetry power: 20dbm<\/li>\n<li>AT2401C Rx_gain: 12dB<\/li>\n<li>Receiver protocol: CRSF<\/li>\n<li>Input voltage: 4~9V DC @ 5V pad<\/li>\n<li>Power dissipation:\u00a0 40~45mA(before binding), 60~65mA(binding), 90~95mA(wifi mode)<\/li>\n<li>PCB size: 21mm x 15mm<\/li>\n<li>Weight: 1.2g<\/li>\n<li>Packing: 1x ELRS-R24-S<\/li>\n<\/ul>\n<p><strong>Firmwares<\/strong><\/p>\n<ul>\n<li><strong>ExpressLRS MATEK_2400_RX<\/strong><\/li>\n<li>Firmware update via UART or WIFI<\/li>\n<li>ELRS-R24-S:\u00a0 disable &#8220;USE_DIVERSITY&#8221; (unchecked) when flashing in ExpressLRS configurator<\/li>\n<\/ul>\n<\/div><\/div><\/section>\n<section class='av_tab_section av_tab_section av-7lwh7-83852b08790648c62a235ee01994c746'  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\" >Quick Start and Tips<\/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><em>&#8220;Any ELRS 2.4Ghz receivers can work with any ELRS 2.4Ghz TX Modules, from any manufacturer and even the DIY ones. This is as long as they have the same binding phrase and configuration options (Regulatory Domain, Performance Options and Extra Data).&#8221;<\/em><\/li>\n<li><em>More details about ExpressLRS, pls check out\u00a0<\/em> <a style=\"font-weight: 600;\" href=\"https:\/\/www.expresslrs.org\/\" target=\"_blank\" rel=\"noopener\">ExpressLRS wiki<\/a><\/li>\n<li><strong><em>Receivers have ExpressLRS fw preloaded with BINDING_PHRASE for QC,\u00a0 the Receiver will never enter binding mode using the traditional binding procedure.\u00a0<\/em><\/strong><\/li>\n<li><strong>You need to reflash it with your binding phrase OR connect it to your PC\/phone via WiFi and set your binding phrase in WebUI.<\/strong><\/li>\n<li><strong><em>Traditional binding is not recommended.\u00a0 You&#8217;d better flash it with your binding phrase.<\/em><\/strong><\/li>\n<\/ul>\n<h5>Wiring with FC<\/h5>\n<ul>\n<li>Receiver RX &#8212; FC UART_TX\u00a0 for Telemetry<\/li>\n<li>Receiver TX &#8212; FC UART_RX\u00a0 for Control<\/li>\n<li>Receiver 5V &#8212; FC 5V or 4v5<\/li>\n<li>Receiver G &#8212; FC GND<\/li>\n<li>Receiver protocol: Serial-based receiver &#8211; CRSF<\/li>\n<\/ul>\n<h5><\/h5>\n<h5>Flashing with ELRS configurator<\/h5>\n<ul>\n<li>Wire the receiver into the USB-TTL adapter, with TX on receiver connected to the Rx on the USB-TTL, and RX on receiver connected to the Tx of the USB-TTL. Wire 5V and GND of the USB-TTL to 5V and GND of the Receiver.\u00a0 Press the boot button while powering the RX on, and release &#8211; the LED should now be solid.<\/li>\n<li>Select the target <strong>MATEK R24-D 2.4GHz RX<\/strong> ( for ELRS-R24-D) \/\u00a0<strong>MATEK R24-S 2.4GHz RX<\/strong> ( for ELRS-R24-S) and\u00a0 &#8220;<strong>UART<\/strong>&#8221; for Flashing Method,\u00a0 set your bind phrase and <a href=\"https:\/\/www.expresslrs.org\/2.0\/quick-start\/firmware-options\/\">Firmware Options<\/a>,\u00a0 Check &#8220;<strong>erase before flash&#8221; <\/strong>and &#8220;<strong>Force FLash<\/strong> &#8220;, once done, click on <strong>Flash<\/strong>.<\/li>\n<\/ul>\n<h5>Troubleshooting<\/h5>\n<ul>\n<li>If receiver can&#8217;t be flashed via WIFI or BFpassthrough when it come with preloaded firmware. You may recover it by flashing it via UART.<\/li>\n<\/ul>\n<\/div><\/div><\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":9182,"comment_status":"closed","ping_status":"closed","template":"","tags":[187,186,190,185,189,188],"portfolio_entries":[38,236],"class_list":["post-9179","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","tag-2-4ghz","tag-crsf","tag-diversity","tag-expresslrs","tag-pa-lna","tag-receiver","portfolio_entries-elrs","portfolio_entries-mlrs"],"_links":{"self":[{"href":"https:\/\/www.mateksys.com\/index.php?rest_route=\/wp\/v2\/portfolio\/9179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mateksys.com\/index.php?rest_route=\/wp\/v2\/portfolio"}],"about":[{"href":"https:\/\/www.mateksys.com\/index.php?rest_route=\/wp\/v2\/types\/portfolio"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mateksys.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9179"}],"version-history":[{"count":5,"href":"https:\/\/www.mateksys.com\/index.php?rest_route=\/wp\/v2\/portfolio\/9179\/revisions"}],"predecessor-version":[{"id":13136,"href":"https:\/\/www.mateksys.com\/index.php?rest_route=\/wp\/v2\/portfolio\/9179\/revisions\/13136"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mateksys.com\/index.php?rest_route=\/wp\/v2\/media\/9182"}],"wp:attachment":[{"href":"https:\/\/www.mateksys.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9179"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mateksys.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9179"},{"taxonomy":"portfolio_entries","embeddable":true,"href":"https:\/\/www.mateksys.com\/index.php?rest_route=%2Fwp%2Fv2%2Fportfolio_entries&post=9179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}