{"id":529,"date":"2026-06-09T16:59:53","date_gmt":"2026-06-09T13:59:53","guid":{"rendered":"https:\/\/mnl.com.ua\/?p=529"},"modified":"2026-06-09T17:15:24","modified_gmt":"2026-06-09T14:15:24","slug":"why-dont-classic-refrigerators-work-anymore","status":"publish","type":"post","link":"https:\/\/mnl.com.ua\/en\/chomu-klasichni-reb-bilshe-ne-pracyuyut\/","title":{"rendered":"Why don't traditional electronic warfare systems work anymore?"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Traditional jammers operating at 2.4 and 5.8 GHz are no longer effective against modern FPV drones. Manufacturers and pilots are constantly changing operating bands, using low frequencies, pseudo-random hopping, and autonomous modes. This article will explain which bands are currently in use, how drones avoid jamming, and which tactics and technical solutions actually work in modern electronic warfare.<br \/>\n<!--more--><\/p>\n<p>In recent years, there has been a rapid \u201cfrequency evolution\u201d in the FPV drone ecosystem. Previously, the focus was on two standard bands\u20142.4 GHz (control) and 5.8 GHz (video). Manufacturers of controllers and modules, as well as the enthusiast community, have begun shifting operating bands in various directions: toward lower frequencies, the mid-range around 900\u20131200 MHz, and even toward intermediate non-standard solutions. In addition, digital video protocols with adaptive bandwidth and encryption are emerging.<\/p>\n<p><strong>The implications for traditional electronic warfare are clear:<\/strong> Limited frequency coverage and a fixed jamming strategy become ineffective. If your system only \u00absees\u00bb 2.4 and 5.8 GHz, drones operating at 433 MHz, 868 MHz, or 1.2 GHz will slip right by, and a pilot using PRF (pseudo-random frequency hopping) will render jamming completely ineffective.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h3>Frequency Chart for Modern FPV Drones<\/h3>\n<p>Let's divide the frequencies by function: control (RC) and video (Video TX).<\/p>\n<p><strong>Radio Control (RC) Channels<\/strong><\/p>\n<ul>\n<li>915 MHz (ExpressLRS, TBS Crossfire). As before, the baseline standard for many operators is a combination of range and reliability. However, it is often modified.<\/li>\n<li>Low Frequencies (Low Bands): 433 MHz, 500\u2013750 MHz. The trend that is causing the most concern is that these waves bypass obstacles more effectively and are more difficult to detect using conventional electronic warfare systems.<\/li>\n<li>High\/intermediate: 1.2 GHz, 1.4 GHz, and \u00abnon-standard\u00bb 2.4 GHz firmware. Used to increase range and bypass obstacles.<\/li>\n<\/ul>\n<p><strong>Video Transmission Channels (Video TX)<\/strong><\/p>\n<ul>\n<li>Analog video: commonly transmitted on the 1.2 GHz, 2.4 GHz, and standard 4.9\u20135.9 GHz bands. To jam the video signal, it is important to act during the approach: loss of the video feed deprives the pilot of orientation before the drone reaches its target.<\/li>\n<li>Digital video (HD): frequency hopping, adaptive modulation, encryption. Jamming is more difficult, but the video stream can be interrupted indirectly\u2014for example, by blocking the control channel or GPS.<\/li>\n<\/ul>\n<blockquote><p>\nWhen assessing the threat, consider not only the nominal frequency but also the modulation type, bandwidth, and the ability to quickly change the frequency band.\n<\/p><\/blockquote>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h3>On-the-fly frequency changes and custom solutions<\/h3>\n<p><strong>PPRF (pseudo-random frequency modulation)<\/strong><\/p>\n<ul>\n<li>Modern remote controls and receivers are capable of changing channels hundreds of times per second according to predefined algorithms. This effectively protects the control channel from static interference.<\/li>\n<li>For electronic warfare, this means either tracking the algorithm (which is difficult) or performing broadband jamming (which is resource-intensive).<\/li>\n<\/ul>\n<p><strong>Modular modules and custom strips<\/strong><\/p>\n<ul>\n<li>Pilots use quick-release modules for different frequencies: 868 MHz for the Eurozone, and 300\u2013400 MHz modules for range and penetration.<\/li>\n<li>In the field, the operator can switch modules and instantly switch to a frequency that is not accessible to local security.<\/li>\n<\/ul>\n<p><strong>Computer Vision and Autonomous Modes<\/strong><\/p>\n<ul>\n<li>Drones equipped with cameras and AI are capable of completing missions using optical tracking or pre-programmed routes without constant radio communication.<\/li>\n<li>In the final stage, when communication is lost, conventional electronic warfare becomes ineffective\u2014the drone navigates by visual reference or inertia.<\/li>\n<\/ul>\n<blockquote><p>\nAn effective countermeasure system must take into account not only radio communications but also autonomous trajectories and optical detection methods.\n<\/p><\/blockquote>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h3>How to Jam Effectively: A Strategy for Electronic Warfare<\/h3>\n<p>Flexibility and multi-band capability are key criteria for an effective electronic warfare system.<\/p>\n<p><strong>Multi-band (modules)<\/strong><\/p>\n<ul>\n<li>Modern \u00abfield\u00bb electronic warfare systems must cover at least 4\u20136 frequency bands simultaneously. Recommended bands: 400\u2013500 MHz, 700\u2013850 MHz, 850\u20131000 MHz, 1.2\u20131.6 GHz, 2.4\u20132.5 GHz, 4.9\u20135.9 GHz. This is not a universal formula, but a practical starting point.<\/li>\n<\/ul>\n<p><strong>\u201cWhite noise\u201d generators vs. targeted suppression<\/strong><\/p>\n<ul>\n<li>Dome (spherical) systems create a hemispherical coverage area, providing close-range protection against a wide range of threats, but they require enormous power, reveal the operator\u2019s position, and create collateral interference.<\/li>\n<li>Directional antennas (\u00abguns\u00bb) provide greater range at lower power levels, but require precise target detection and tracking. They are suitable for intercepting single drones at long ranges.<\/li>\n<\/ul>\n<h3>Proper Use of Power<\/h3>\n<ul>\n<li>The transmitter's rated power is only part of the story. Actual performance depends on the quality of the antenna-feeder system, the standing wave ratio (SWR), cooling, and power supply stability.<\/li>\n<li>Example: A genuine 20-watt amplifier with good impedance matching, low THD, and reliable cooling often performs better than a \u00abpaper\u00bb 100-watt amplifier with poor design.<\/li>\n<\/ul>\n<h3>Power Tactics<\/h3>\n<ul>\n<li>Save resources: only enable strong suppression at critical moments.<\/li>\n<li>Adjust your tactics based on the scenario: blanket protection for static targets; targeted suppression for mobile threats.<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h3>The Importance of Communication: Detection + Electronic Warfare<\/h3>\n<p>Muting signals \u00abblindly\u00bb 24\/7 is a bad idea. It gives away your position, wastes power, and interferes with your own communications. The solution is tight integration of detection and electronic warfare.<\/p>\n<p><strong>Detectors and scanners<\/strong><\/p>\n<ul>\n<li>Use spectral scanners and warning systems (<a href=\"https:\/\/mnl.com.ua\/en\/product\/spektral-analyzer-bpla-salo\/\">Spectral analyzer of flying objects (UAV detector) \u00abS.A.L.O.\u00bb<\/a>): They detect power surges, identify the source, and alert users to potential threats.<\/li>\n<li>Tactics: Activate electronic warfare systems strictly at the moment the threat approaches, following a confirmed alert.<\/li>\n<\/ul>\n<p><strong>Integration with intelligence<\/strong><\/p>\n<ul>\n<li>Integrate radio direction finders with optical sensors and air defense systems to improve the targeting accuracy of directional antennas.<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h4>Conclusion and Equipment Selection Checklist<\/h4>\n<p>Effective modern electronic warfare is not just an \u00aboff-the-shelf jammer,\u00bb but a flexible, adaptive system integrated with detection capabilities and multi-frequency support. Only such an integrated system is capable of countering modern FPV tactics.<\/p>\n<p><strong>Buyer's checklist:<\/strong><\/p>\n<ul>\n<li>Availability of test certificates and reports.<\/li>\n<li>Actual suppression range (target: approximately 400 MHz to 5.8 GHz; please specify the exact bands).<\/li>\n<li>Capability to cover 4\u20136 bands simultaneously.<\/li>\n<li>Modularity and quick-release modules\/antennas.<\/li>\n<li>The quality of the antenna-feeder system and the measured SWR.<\/li>\n<li>Real-world battery life and effective cooling.<\/li>\n<li>Integration with detection\/surveillance systems.<\/li>\n<li>Quick mode switching and support for PPRC detection.<\/li>\n<li>Safety guarantees and minimization of side effects.<\/li>\n<li>Level of service support and availability of replacement parts.<\/li>\n<\/ul>\n<p><strong>Order electronic warfare equipment for all frequency bands<\/strong> \u2013 <a href=\"https:\/\/mnl.com.ua\/en\/product\/reb-dronopad\/\">https:\/\/mnl.com.ua\/product\/reb-dronopad\/<\/a><\/p>\n<p><strong>Select REB<\/strong> \u2013 <a href=\"https:\/\/mnl.com.ua\/en\/product-category\/kompleks-reb\/\">https:\/\/mnl.com.ua\/product-category\/kompleks-reb\/<\/a><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Traditional jammers operating at 2.4 and 5.8 GHz are no longer effective against modern FPV drones. Manufacturers and pilots are constantly changing operating bands, using low frequencies, pseudo-random hopping, and autonomous modes. This article will explain which bands are currently in use, how drones avoid jamming, and which tactics and technical solutions actually work in modern electronic warfare.<\/p>","protected":false},"author":1,"featured_media":537,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[99],"tags":[],"class_list":["post-529","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-review","category-99","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0427\u043e\u043c\u0443 \u043a\u043b\u0430\u0441\u0438\u0447\u043d\u0456 \u0420\u0415\u0411 \u0431\u0456\u043b\u044c\u0448\u0435 \u043d\u0435 \u043f\u0440\u0430\u0446\u044e\u044e\u0442\u044c? - \u00abMidnight Lab\u00bb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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