{"id":2134,"date":"2024-12-13T16:20:00","date_gmt":"2024-12-13T08:20:00","guid":{"rendered":"https:\/\/ecmicrophones.com\/?post_type=product&#038;p=2134"},"modified":"2026-03-19T15:09:39","modified_gmt":"2026-03-19T07:09:39","slug":"4mm-gold-plated-unidirectional-microphone-capsule-for-two-way-radios","status":"publish","type":"product","link":"https:\/\/ecmicrophones.com\/pt\/4mm-gold-plated-unidirectional-microphone-capsule-for-two-way-radios\/","title":{"rendered":"C\u00e1psula de microfone unidirecional banhada a ouro de 4 mm para r\u00e1dios bidirecionais"},"content":{"rendered":"<h2 class=\"text-start\">Especifica\u00e7\u00f5es t\u00e9cnicas<\/h2>\n<p class=\"text-start\">O ECM-B4015UP40-474 \u00e9 uma c\u00e1psula de microfone unidirecional de 4 mm projetada especificamente para r\u00e1dios bidirecionais. Seu design de capacitor triplo garante estabilidade excepcional, reduzindo a interfer\u00eancia e mantendo uma qualidade de \u00e1udio consistente, mesmo em condi\u00e7\u00f5es din\u00e2micas.<\/p>\n<p class=\"text-start\">Com uma sensibilidade de -40 dB\u00b12 e uma rela\u00e7\u00e3o sinal\/ru\u00eddo de 52 dB, essa c\u00e1psula de microfone capta sinais de voz claros e intelig\u00edveis, minimizando o ru\u00eddo de fundo. Sua resposta de frequ\u00eancia de 100 Hz a 16 kHz, juntamente com sua capacidade de suportar at\u00e9 105 dB SPL, o torna ideal para uso em ambientes em que a comunica\u00e7\u00e3o clara \u00e9 essencial.<\/p>\n<p class=\"text-start\">Essa c\u00e1psula \u00e9 equipada com pinos de cobre banhados a ouro, o que proporciona excelente condutividade el\u00e9trica e resist\u00eancia \u00e0 oxida\u00e7\u00e3o, garantindo confiabilidade a longo prazo. Medindo apenas 4 mm \u00d7 1,5 mm, o design compacto permite a integra\u00e7\u00e3o perfeita em dispositivos de comunica\u00e7\u00e3o.<\/p>\n<p class=\"text-start\">Perfeitamente adequado para r\u00e1dios bidirecionais em setores como seguran\u00e7a, varejo e comunica\u00e7\u00e3o externa, o ECM-B4015UP40-474 oferece desempenho superior com foco em durabilidade e confiabilidade.<\/p>\n<h3 class=\"pt-5 text-start\">Circuito de teste padr\u00e3o<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2141\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/standard-test-circuit_ecm-b4015up40-474.png\" alt=\"Circuito de teste ECM-B4015UP40-474: polariza\u00e7\u00e3o de 2,2k\u03a9, alimenta\u00e7\u00e3o de 2V, capacitor de acoplamento de 1\u03bcF\" width=\"503\" height=\"223\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/standard-test-circuit_ecm-b4015up40-474.png 503w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/standard-test-circuit_ecm-b4015up40-474-300x133.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/standard-test-circuit_ecm-b4015up40-474-18x8.png 18w\" sizes=\"auto, (max-width: 503px) 100vw, 503px\" \/><\/p>\n<p>Resistor de polariza\u00e7\u00e3o de 2,2k\u03a9, alimenta\u00e7\u00e3o de 2V CC, capacitor de acoplamento de 1\u03bcF.<\/p>\n<h3 class=\"pt-5 text-start\">Resposta de frequ\u00eancia t\u00edpica<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2142 size-large\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/typical-frequency-response_ecm-b4015up40-474-1024x512.png\" alt=\"Resposta de frequ\u00eancia ECM-B4015UP40-474: Resposta ascendente de aproximadamente 200Hz a 16kHz\" width=\"1024\" height=\"512\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/typical-frequency-response_ecm-b4015up40-474-1024x512.png 1024w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/typical-frequency-response_ecm-b4015up40-474-300x150.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/typical-frequency-response_ecm-b4015up40-474-768x384.png 768w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/typical-frequency-response_ecm-b4015up40-474-1536x768.png 1536w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/typical-frequency-response_ecm-b4015up40-474-18x9.png 18w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/typical-frequency-response_ecm-b4015up40-474-600x300.png 600w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/typical-frequency-response_ecm-b4015up40-474.png 1580w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>Resposta de aumento gradual de aproximadamente 200Hz a 16kHz, ajustada para clareza de voz em aplica\u00e7\u00f5es de microfone de fone de ouvido.<\/p>\n<h3 class=\"pt-5 text-start\">Dimens\u00f5es (unidade: mm)<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2140\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/appearance-dimension_ecm-b4015up40-474.png\" alt=\"ECM-B4015UP40-474 Dimens\u00f5es: \u03a64,0\u00d71,5 mm com malha de poeira frontal e porta de som traseira\" width=\"528\" height=\"406\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/appearance-dimension_ecm-b4015up40-474.png 528w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/appearance-dimension_ecm-b4015up40-474-300x231.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/12\/appearance-dimension_ecm-b4015up40-474-16x12.png 16w\" sizes=\"auto, (max-width: 528px) 100vw, 528px\" \/><\/p>\n<p>\u03a6 Inv\u00f3lucro compacto de 4,0\u00d71,5 mm com malha frontal contra poeira, porta de som traseira, pinos de 2,8 mm com espa\u00e7amento de 1,4 mm.<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1psula de microfone unidirecional compacta de 4 mm projetada para r\u00e1dios bidirecionais. Apresenta um design de capacitor triplo para maior estabilidade, pinos banhados a ouro para maior condutividade e um padr\u00e3o de capta\u00e7\u00e3o com cancelamento de ru\u00eddo para proporcionar uma transmiss\u00e3o de voz clara e confi\u00e1vel em ambientes exigentes.<\/p>","protected":false},"featured_media":2716,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[721],"product_cat":[16,21],"product_tag":[284,235,291],"class_list":{"0":"post-2134","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-ecmic","7":"product_cat-electret-microphones","8":"product_cat-unidirectional-microphones","9":"product_tag-4mm","10":"product_tag-conference","11":"product_tag-pin-type","13":"first","14":"instock","15":"shipping-taxable","16":"purchasable","17":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product\/2134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/comments?post=2134"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/media\/2716"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/media?parent=2134"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_brand?post=2134"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_cat?post=2134"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_tag?post=2134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}