{"id":50775,"date":"2025-07-02T08:14:04","date_gmt":"2025-07-02T06:14:04","guid":{"rendered":"https:\/\/www.cqdx.ru\/ham\/?p=50775"},"modified":"2025-07-02T08:14:04","modified_gmt":"2025-07-02T06:14:04","slug":"4o3a-grounding-antenna-switch","status":"publish","type":"post","link":"https:\/\/www.cqdx.ru\/ham\/new-equipment\/4o3a-grounding-antenna-switch\/","title":{"rendered":"4O3A Grounding Antenna Switch"},"content":{"rendered":"<div id=\"tab-label-description\" class=\"data tab active\" tabindex=\"0\" role=\"tab\" data-role=\"collapsible\" data-collapsible=\"true\" aria-controls=\"description\" aria-selected=\"false\" aria-expanded=\"true\">\n<div class=\"data item title\">\n<div class=\"tab-title\">\n<h3><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-50776\" src=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081116-657x800.jpg\" alt=\"\" width=\"657\" height=\"800\" srcset=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081116-657x800.jpg 657w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081116-768x936.jpg 768w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081116.jpg 825w\" sizes=\"auto, (max-width: 657px) 100vw, 657px\" \/><br \/>\nTop Features:<\/h3>\n<\/div>\n<div role=\"tabpanel\" data-role=\"content\" aria-hidden=\"false\">\n<ul class=\"showall\">\n<li>Automatic disconnection of up to 6 connected devices<\/li>\n<li>Permanent monitoring of the operating status of the system<\/li>\n<li>Physical disconnection\/grounding via motorized switches<\/li>\n<li>Low insertion loss, high isolation<\/li>\n<\/ul>\n<\/div>\n<h3>Details:<\/h3>\n<\/div>\n<\/div>\n<div id=\"description\" class=\"data item content\" role=\"tabpanel\" aria-labelledby=\"tab-label-description\" data-role=\"content\" aria-hidden=\"false\">\n<div class=\"product attribute description\">\n<div class=\"value\">\n<div style=\"text-align: justify;\">The\u00a0Grounding Antenna Switch from 4O3A\u00a0reliably protects your valuable radio system from damage\/destruction due to overvoltage, for example during a thunderstorm.<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">The system permanently monitors the operating status of your system. If necessary, a physical separation of antenna lines and radio devices takes place by means of motorized switches and the connected antennas are simultaneously switched to earth.<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">This safe state (&#8220;park position&#8221;) can be fulfilled under various conditions:<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<ul class=\"showall\" style=\"text-align: justify;\">\n<li>When the connected radio is switched off<\/li>\n<li>If the power supply (110\/220 V AC) is interrupted<\/li>\n<li>With external supply of 12 V DC switching voltage<\/li>\n<li>By manual operation<\/li>\n<\/ul>\n<div style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-50777\" src=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081139-800x561.jpg\" alt=\"\" width=\"800\" height=\"561\" srcset=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081139-800x561.jpg 800w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081139-1024x718.jpg 1024w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081139-768x539.jpg 768w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081139.jpg 1183w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-50778\" src=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081157-800x569.jpg\" alt=\"\" width=\"800\" height=\"569\" srcset=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081157-800x569.jpg 800w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081157-1024x729.jpg 1024w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081157-768x547.jpg 768w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-02-081157.jpg 1152w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><br \/>\nA total of up to 6 radios and antennas can be connected to this expandable system and protected.<\/div>\n<\/div>\n<div>\n<div id=\"tab-label-additional\" class=\"data tab active\" tabindex=\"0\" role=\"tab\" data-role=\"collapsible\" data-collapsible=\"true\" aria-controls=\"additional\" aria-selected=\"false\" aria-expanded=\"true\">\n<div class=\"data item title\">\n<h3>Technical Data:<\/h3>\n<\/div>\n<\/div>\n<div id=\"additional\" class=\"data item content\" role=\"tabpanel\" aria-labelledby=\"tab-label-additional\" data-role=\"content\" aria-hidden=\"false\">\n<div class=\"additional-attributes-wrapper table-wrapper\">\n<table id=\"product-attribute-specs-table\" class=\"data table additional-attributes\">\n<tbody>\n<tr>\n<th class=\"col label\" style=\"text-align: left;\" scope=\"row\">Product Name<\/th>\n<td class=\"col data\" data-th=\"Product Name\">Grounding Antenna Switch<\/td>\n<\/tr>\n<tr>\n<th class=\"col label\" style=\"text-align: left;\" scope=\"row\">Color<\/th>\n<td class=\"col data\" data-th=\"Color\">Black<\/td>\n<\/tr>\n<tr>\n<th class=\"col label\" style=\"text-align: left;\" scope=\"row\">Brand<\/th>\n<td class=\"col data\" data-th=\"Brand\">4O3A<\/td>\n<\/tr>\n<tr>\n<th class=\"col label\" style=\"text-align: left;\" scope=\"row\">Insertion Loss (dB)<\/th>\n<td class=\"col data\" data-th=\"Insertion Loss (dB)\">0.05<\/td>\n<\/tr>\n<tr>\n<th class=\"col label\" style=\"text-align: left;\" scope=\"row\">Max. Power [W]<\/th>\n<td class=\"col data\" data-th=\"Max. Power [W]\">300 W<\/td>\n<\/tr>\n<tr>\n<th class=\"col label\" style=\"text-align: left;\" scope=\"row\">Connector A<\/th>\n<td class=\"col data\" data-th=\"Connector A\">PL Socket<\/td>\n<\/tr>\n<tr>\n<th class=\"col label\" style=\"text-align: left;\" scope=\"row\">Connector B<\/th>\n<td class=\"col data\" data-th=\"Connector B\">PL Socket<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<p>Estimate Price: TBD<\/p>\n<p>Manufacturer: 4O3A<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Top Features: Automatic disconnection of up to 6 connected devices Permanent monitoring of the operating status of the system Physical disconnection\/grounding via motorized switches Low insertion loss, high isolation Details: The\u00a0Grounding Antenna Switch from 4O3A\u00a0reliably protects your valuable radio system from damage\/destruction due to overvoltage, for example during a thunderstorm. The system permanently monitors the&hellip;<\/p>\n","protected":false},"author":1,"featured_media":50776,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[8],"tags":[580,43],"class_list":["post-50775","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-new-equipment","tag-4o3a","tag-antenna","category-8","description-off"],"_links":{"self":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/50775","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/comments?post=50775"}],"version-history":[{"count":0,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/50775\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media\/50776"}],"wp:attachment":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media?parent=50775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/categories?post=50775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/tags?post=50775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}