{"id":827,"date":"2024-04-10T14:51:24","date_gmt":"2024-04-10T14:51:24","guid":{"rendered":"https:\/\/fiberdirect.biz\/?post_type=product&#038;p=827"},"modified":"2026-03-11T05:41:53","modified_gmt":"2026-03-11T05:41:53","slug":"fwdm-passive-solutions-multiplexers","status":"publish","type":"product","link":"https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers","title":{"rendered":"FWDM passive solutions \u2013 multiplexers"},"content":{"rendered":"<p><strong>Features<\/strong><br \/>\nHigh thermal stability of parameters<br \/>\nLow insertion loss and polarization loss<br \/>\nHigh channel isolation<\/p>\n<p><strong>Applications<\/strong><br \/>\nTelecommunication networks<br \/>\nBidirectional WDM systems<br \/>\nCATV networks<\/p>\n<p><strong>Technical parameters<\/strong><br \/>\nEXAMPLES OF TECHNICAL SPECIFICATION FOR TYPICAL FWDM FILTERS<br \/>\nType\tUnit\t1310\/1550 nm\t1480\/1550 nm\t1550\/1310 &#038; 1490 nm<br \/>\nTransmission port bandwidth\tnm\t1260-1360 (1520-1600)\t1440-1490 (1530-1580)\t1550-1600<br \/>\nReflection port bandwidth\tnm\t1260-1360 (1520-1600)\t1530-1580 (1440-1490)\t1260-1360 &#038; 1460-1500<br \/>\nTransmission port IL\tdB\t\u22640.6\t\u22640.6\t\u22640.6<br \/>\nReflection port IL\tdB\t\u22640.5\t\u22640.5\t\u22640.5<br \/>\nTransmission port isol.\tdB\t> 30\t> 30\t> 30<br \/>\nReflection port isol.\tdB\t> 15\t> 15\t> 20<br \/>\nPDl\tdB\t0.10\t0.10\t0.15<br \/>\nPMD\tps\t0.10\t0.10\t0.10<br \/>\nDirectivity\tdB\t\u2265 50\t\u2265 50\t\u2265 50<br \/>\nRL\tdB\t\u2265 50\t\u2265 50\t\u2265 50<br \/>\nThermal stability\tdB\/ \u00b0C\t0.005\t0.005\t0.005<br \/>\nStorage temperature\t\u00b0C\t-40 do +85\t-40 do +85\t-40 do +85<br \/>\nOperating temperature\t\u00b0C\t-20 do +70\t-20 do +70\t-20 do +70<br \/>\nFiber type\t\tSM 09\/125 G.652D\tSM 09\/125 G.652D\tSM 09\/125 G.652D<br \/>\nMax. optical power\tmW\t300\t300\t300<br \/>\nCasings<\/p>\n<p>250 \u03bcm output fibers: \u00d834\u00d75.5 mm<br \/>\nOutput fibers in 900 \u03bcm coating: \u00d838\u00d75.5 mm<br \/>\nOutput fibers in 0.9\/2.0\/3.0 mm coating: blackbox 90x20x10 mm<\/p>\n<p>Fibrain family of FWDM solutions (Filter-based WDM) is based on TFF (Thin Film Filter) technology. Products made using this technology have high channel isolation, thermal stability, and low attenuation. Versions with raised isolation in both channels are also available. These devices are designed for separation or addition of optical signals transmitted at different wavelengths.<\/p>\n<p>WDM filters are widely used in passive optical networks due to the possibility of adding and transferring signals at different wavelengths. Nowadays, 1550 nm, 1490 nm, and 1310 nm wavelengths are the most popular in modern FTTH networks.<\/p>\n<p>Besides standard products, we also offer the following filters:<\/p>\n<p>Multimode, 850\/1300 nm, 980\/1550 nm<br \/>\nSingle mode, 1310\/1480 nm, 1510\/1550 nm<br \/>\nTriplexers, FTTx\/OTDR, and FTTx&#038;CATV\/OTDR<br \/>\nOther filters for CATV applications<br \/>\n With raised isolation (>45 dB for all ports)<\/p>\n<div data-test='contact-form'\n\t\t\tid='contact-form-827'\n\t\t\tclass='jetpack-contact-form-container '\n\t\t\tdata-wp-interactive='jetpack\/form' data-wp-context='{\"formId\":\"827\",\"formHash\":\"dbcf0e5dce53f628bac6da32b703eef48f65b8b6\",\"showErrors\":false,\"errors\":[],\"fields\":[],\"isMultiStep\":false,\"useAjax\":true,\"submissionData\":null,\"formattedSubmissionData\":[],\"submissionSuccess\":false,\"submissionError\":null,\"elementId\":\"jp-form-dbcf0e5dce53f628bac6da32b703eef48f65b8b6\",\"isSingleInputForm\":false,\"isForcedHorizontal\":false}'\n\t\t\tdata-wp-watch--scroll-to-wrapper=\"callbacks.scrollToWrapper\"\n\t\t>\n<div class=\"contact-form-submission contact-form-ajax-submission\" data-wp-bind--aria-hidden=\"state.isSuccessMessageAriaHidden\" data-wp-class--submission-success=\"context.submissionSuccess\" id=\"contact-form-success-dbcf0e5dce53f628bac6da32b703eef48f65b8b6\" tabindex=\"-1\" aria-labelledby=\"contact-form-success-header-dbcf0e5dce53f628bac6da32b703eef48f65b8b6\"><p class=\"go-back-message\"><a class=\"link\" role=\"button\" tabindex=\"0\" data-wp-on--click=\"actions.goBack\" href=\"\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct%2F827\">\u2190 Back<\/a><\/p><h4 data-wp-bind--aria-hidden=\"state.isSuccessMessageAriaHidden\" id=\"contact-form-success-header-dbcf0e5dce53f628bac6da32b703eef48f65b8b6\">Thank you for your response. \u2728<\/h4>\n\n<template data-wp-each--submission=\"context.formattedSubmissionData\">\n\t\t\t\t\t<div class=\"jetpack_forms_contact-form-success-summary\">\n\t\t\t\t\t\t<div class=\"field-name-wrapper\">\n\t\t\t\t\t\t\t<div class=\"field-type-icon\" data-wp-watch=\"callbacks.watchFieldTypeIcon\"><\/div>\n\t\t\t\t\t\t\t<div class=\"field-name\" data-wp-text=\"context.submission.label\" data-wp-bind--hidden=\"!context.submission.label\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"field-value\" data-wp-text=\"context.submission.value\" data-wp-bind--hidden=\"!context.submission.showPlainValue\"><\/div>\n\t\t\t\t\t\t<a class=\"field-url\" data-wp-bind--href=\"context.submission.url\" data-wp-text=\"context.submission.value\" data-wp-bind--hidden=\"!context.submission.url\" target=\"_blank\" rel=\"noopener noreferrer\"><\/a>\n\t\t\t\t\t\t<div class=\"field-rating\" data-wp-bind--hidden=\"!context.submission.rating\" data-wp-watch=\"callbacks.watchRatingIcons\"><\/div>\n\t\t\t\t\t\t<div class=\"field-images\" data-wp-bind--hidden=\"!context.submission.images\">\n\t\t\t\t\t\t\t<template data-wp-each--image=\"context.submission.images\">\n\t\t\t\t\t\t\t\t<div class=\"field-image-option\" data-wp-class--is-empty=\"!context.image.src\">\n\t\t\t\t\t\t\t\t\t<figure class=\"field-image-option__image\" data-wp-class--is-empty=\"!context.image.src\">\n\t\t\t\t\t\t\t\t\t\t<img data-wp-bind--src=\"context.image.src\" data-wp-bind--hidden=\"!context.image.src\" \/>\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAD\/ACwAAAAAAQABAAACADs=\" data-wp-bind--hidden=\"context.image.src\" \/>\n\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<div class=\"field-image-option__label-wrapper\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"field-image-option__label-code\" data-wp-text=\"context.image.letterCode\"><\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"field-image-option__label\" data-wp-text=\"context.image.label\" data-wp-bind--hidden=\"!context.image.label\"><\/span>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/template>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"field-files\" data-wp-bind--hidden=\"!context.submission.files\">\n\t\t\t\t\t\t\t<template data-wp-each--file=\"context.submission.files\">\n\t\t\t\t\t\t\t\t<div class=\"field-file\">\n\t\t\t\t\t\t\t\t\t<div class=\"field-file__thumbnail\" data-wp-style--background-image=\"context.file.previewUrl\" data-wp-style--mask-image=\"context.file.iconUrl\" data-wp-bind--hidden=\"!context.file.hasPreview\"><\/div>\n\t\t\t\t\t\t\t\t\t<svg class=\"field-file__icon\" data-wp-bind--hidden=\"context.file.hasPreview\" width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t<path d=\"M14 2H6C4.9 2 4 2.9 4 4V20C4 21.1 4.89 22 5.99 22H18C19.1 22 20 21.1 20 20V8L14 2ZM18 20H6V4H13V9H18V20Z\" fill=\"currentColor\"\/>\n\t\t\t\t\t\t\t\t\t<\/svg>\n\t\t\t\t\t\t\t\t\t<span class=\"field-file__name\" data-wp-text=\"context.file.name\"><\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"field-file__size\" data-wp-text=\"context.file.size\"><\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/template>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/template><\/div><form action='https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers'\n\t\t\t\tid='jp-form-dbcf0e5dce53f628bac6da32b703eef48f65b8b6'\n\t\t\t\tmethod='post'\n\t\t\t\tclass='contact-form commentsblock jetpack-contact-form__form has-no-jetpack-form-layout' aria-label=\"FWDM passive solutions \u2013 multiplexers\"\n\t\t\t\tdata-wp-on--submit=\"actions.onFormSubmit\"\n\t\t\t\tdata-wp-on--reset=\"actions.onFormReset\"\n\t\t\t\tdata-wp-class--submission-success=\"context.submissionSuccess\"\n\t\t\t\tdata-wp-class--is-first-step=\"state.isFirstStep\"\n\t\t\t\tdata-wp-class--is-last-step=\"state.isLastStep\"\n\t\t\t\tdata-wp-class--is-ajax-form=\"context.useAjax\"\n\t\t\t\tnovalidate >\n<input type='hidden' name='jetpack_contact_form_jwt' value='eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.d72GnOo6V4JfVdXh0XKdfUisKS_SiTehoXe3GfZYmjo' \/>\n\n<div style=\"\"  data-wp-interactive=\"jetpack\/form\" data-wp-context='{\"fieldId\":\"g827-name\",\"fieldType\":\"name\",\"fieldLabel\":\"Name\",\"fieldValue\":\"\",\"fieldPlaceholder\":\"\",\"fieldIsRequired\":\"1\",\"fieldErrorMessage\":\"\",\"fieldExtra\":[],\"formHash\":\"dbcf0e5dce53f628bac6da32b703eef48f65b8b6\"}'  class='grunion-field-name-wrap grunion-field-wrap'  data-wp-init='callbacks.initializeField' data-wp-on--jetpack-form-reset='callbacks.initializeField' >\n<label\n\t\t\t\tfor='g827-name' class=\"grunion-field-label name\" >Name<span class=\"grunion-label-required\" aria-hidden=\"true\">(required)<\/span><\/label>\n<input\n\t\t\t\t\ttype='text'\n\t\t\t\t\tname='g827-name'\n\t\t\t\t\tid='g827-name'\n\t\t\t\t\tvalue=''\n\n\t\t\t\t\tdata-wp-bind--aria-invalid='state.fieldAriaInvalid'\n\t\t\t\t\tdata-wp-bind--value='state.getFieldValue'\n\t\t\t\t\taria-describedby='g827-name-text-error-message'\n\t\t\t\t\tdata-wp-on--input='actions.onFieldChange'\n\t\t\t\t\tdata-wp-on--blur='actions.onFieldBlur'\n\t\t\t\t\tdata-wp-class--has-value='state.hasFieldValue'\n\n\t\t\t\t\tclass='name  grunion-field' \n\t\t\t\t\trequired='true' aria-required='true'  \/>\n \n\t\t\t<div id=\"g827-name-text-error\" class=\"contact-form__input-error\" data-wp-class--has-errors=\"state.fieldHasErrors\">\n\t\t\t\t<span class=\"contact-form__warning-icon\" aria-hidden=\"true\">\n\t\t\t\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n\t\t\t\t\t\t<path d=\"M8.50015 11.6402H7.50015V10.6402H8.50015V11.6402Z\" \/>\n\t\t\t\t\t\t<path d=\"M7.50015 9.64018H8.50015V6.30684H7.50015V9.64018Z\" \/>\n\t\t\t\t\t\t<path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M6.98331 3.0947C7.42933 2.30177 8.57096 2.30177 9.01698 3.09469L13.8771 11.7349C14.3145 12.5126 13.7525 13.4735 12.8602 13.4735H3.14004C2.24774 13.4735 1.68575 12.5126 2.12321 11.7349L6.98331 3.0947ZM8.14541 3.58496C8.08169 3.47168 7.9186 3.47168 7.85488 3.58496L2.99478 12.2251C2.93229 12.3362 3.01257 12.4735 3.14004 12.4735H12.8602C12.9877 12.4735 13.068 12.3362 13.0055 12.2251L8.14541 3.58496Z\" \/>\n\t\t\t\t\t<\/svg>\n\t\t\t\t<\/span>\n\t\t\t\t<span data-wp-text=\"state.errorMessage\" id=\"g827-name-text-error-message\"><\/span>\n\t\t\t<\/div> \n\t<\/div>\n\n<div style=\"\"  data-wp-interactive=\"jetpack\/form\" data-wp-context='{\"fieldId\":\"g827-email\",\"fieldType\":\"email\",\"fieldLabel\":\"Email\",\"fieldValue\":\"\",\"fieldPlaceholder\":\"\",\"fieldIsRequired\":\"1\",\"fieldErrorMessage\":\"\",\"fieldExtra\":[],\"formHash\":\"dbcf0e5dce53f628bac6da32b703eef48f65b8b6\"}'  class='grunion-field-email-wrap grunion-field-wrap'  data-wp-init='callbacks.initializeField' data-wp-on--jetpack-form-reset='callbacks.initializeField' >\n<label\n\t\t\t\tfor='g827-email' class=\"grunion-field-label email\" >Email<span class=\"grunion-label-required\" aria-hidden=\"true\">(required)<\/span><\/label>\n<input\n\t\t\t\t\ttype='email'\n\t\t\t\t\tname='g827-email'\n\t\t\t\t\tid='g827-email'\n\t\t\t\t\tvalue=''\n\n\t\t\t\t\tdata-wp-bind--aria-invalid='state.fieldAriaInvalid'\n\t\t\t\t\tdata-wp-bind--value='state.getFieldValue'\n\t\t\t\t\taria-describedby='g827-email-email-error-message'\n\t\t\t\t\tdata-wp-on--input='actions.onFieldChange'\n\t\t\t\t\tdata-wp-on--blur='actions.onFieldBlur'\n\t\t\t\t\tdata-wp-class--has-value='state.hasFieldValue'\n\n\t\t\t\t\tclass='email  grunion-field' \n\t\t\t\t\trequired='true' aria-required='true'  \/>\n \n\t\t\t<div id=\"g827-email-email-error\" class=\"contact-form__input-error\" data-wp-class--has-errors=\"state.fieldHasErrors\">\n\t\t\t\t<span class=\"contact-form__warning-icon\" aria-hidden=\"true\">\n\t\t\t\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n\t\t\t\t\t\t<path d=\"M8.50015 11.6402H7.50015V10.6402H8.50015V11.6402Z\" \/>\n\t\t\t\t\t\t<path d=\"M7.50015 9.64018H8.50015V6.30684H7.50015V9.64018Z\" \/>\n\t\t\t\t\t\t<path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M6.98331 3.0947C7.42933 2.30177 8.57096 2.30177 9.01698 3.09469L13.8771 11.7349C14.3145 12.5126 13.7525 13.4735 12.8602 13.4735H3.14004C2.24774 13.4735 1.68575 12.5126 2.12321 11.7349L6.98331 3.0947ZM8.14541 3.58496C8.08169 3.47168 7.9186 3.47168 7.85488 3.58496L2.99478 12.2251C2.93229 12.3362 3.01257 12.4735 3.14004 12.4735H12.8602C12.9877 12.4735 13.068 12.3362 13.0055 12.2251L8.14541 3.58496Z\" \/>\n\t\t\t\t\t<\/svg>\n\t\t\t\t<\/span>\n\t\t\t\t<span data-wp-text=\"state.errorMessage\" id=\"g827-email-email-error-message\"><\/span>\n\t\t\t<\/div> \n\t<\/div>\n\n<div style=\"\"  data-wp-interactive=\"jetpack\/form\" data-wp-context='{\"fieldId\":\"g827-website\",\"fieldType\":\"url\",\"fieldLabel\":\"Website\",\"fieldValue\":\"\",\"fieldPlaceholder\":\"\",\"fieldIsRequired\":\"\",\"fieldErrorMessage\":\"\",\"fieldExtra\":[],\"formHash\":\"dbcf0e5dce53f628bac6da32b703eef48f65b8b6\"}'  class='grunion-field-url-wrap grunion-field-wrap'  data-wp-init='callbacks.initializeField' data-wp-on--jetpack-form-reset='callbacks.initializeField' >\n<label\n\t\t\t\tfor='g827-website' class=\"grunion-field-label url\" >Website<\/label>\n<input\n\t\t\t\t\ttype='text'\n\t\t\t\t\tname='g827-website'\n\t\t\t\t\tid='g827-website'\n\t\t\t\t\tvalue=''\n\n\t\t\t\t\tdata-wp-bind--aria-invalid='state.fieldAriaInvalid'\n\t\t\t\t\tdata-wp-bind--value='state.getFieldValue'\n\t\t\t\t\taria-describedby='g827-website-text-error-message'\n\t\t\t\t\tdata-wp-on--input='actions.onFieldChange'\n\t\t\t\t\tdata-wp-on--blur='actions.onFieldBlur'\n\t\t\t\t\tdata-wp-class--has-value='state.hasFieldValue'\n\n\t\t\t\t\tclass='url  grunion-field' \n\t\t\t\t\t \/>\n \n\t\t\t<div id=\"g827-website-text-error\" class=\"contact-form__input-error\" data-wp-class--has-errors=\"state.fieldHasErrors\">\n\t\t\t\t<span class=\"contact-form__warning-icon\" aria-hidden=\"true\">\n\t\t\t\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n\t\t\t\t\t\t<path d=\"M8.50015 11.6402H7.50015V10.6402H8.50015V11.6402Z\" \/>\n\t\t\t\t\t\t<path d=\"M7.50015 9.64018H8.50015V6.30684H7.50015V9.64018Z\" \/>\n\t\t\t\t\t\t<path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M6.98331 3.0947C7.42933 2.30177 8.57096 2.30177 9.01698 3.09469L13.8771 11.7349C14.3145 12.5126 13.7525 13.4735 12.8602 13.4735H3.14004C2.24774 13.4735 1.68575 12.5126 2.12321 11.7349L6.98331 3.0947ZM8.14541 3.58496C8.08169 3.47168 7.9186 3.47168 7.85488 3.58496L2.99478 12.2251C2.93229 12.3362 3.01257 12.4735 3.14004 12.4735H12.8602C12.9877 12.4735 13.068 12.3362 13.0055 12.2251L8.14541 3.58496Z\" \/>\n\t\t\t\t\t<\/svg>\n\t\t\t\t<\/span>\n\t\t\t\t<span data-wp-text=\"state.errorMessage\" id=\"g827-website-text-error-message\"><\/span>\n\t\t\t<\/div> \n\t<\/div>\n\n<div style=\"\"  data-wp-interactive=\"jetpack\/form\" data-wp-context='{\"fieldId\":\"g827-message\",\"fieldType\":\"textarea\",\"fieldLabel\":\"Message\",\"fieldValue\":\"\",\"fieldPlaceholder\":\"\",\"fieldIsRequired\":\"\",\"fieldErrorMessage\":\"\",\"fieldExtra\":[],\"formHash\":\"dbcf0e5dce53f628bac6da32b703eef48f65b8b6\"}'  class='grunion-field-textarea-wrap grunion-field-wrap'  data-wp-init='callbacks.initializeField' data-wp-on--jetpack-form-reset='callbacks.initializeField' >\n<label\n\t\t\t\tfor='contact-form-comment-g827-message' class=\"grunion-field-label textarea\" >Message<\/label>\n<textarea\n\t\t                style=''\n\t\t                name='g827-message'\n\t\t                id='contact-form-comment-g827-message'\n\t\t                rows='20'\n\t\t\t\t\t\tdata-wp-text='state.getFieldValue'\n\t\t\t\t\t\tdata-wp-on--input='actions.onFieldChange'\n\t\t\t\t\t\tdata-wp-on--blur='actions.onFieldBlur'\n\t\t\t\t\t\tdata-wp-class--has-value='state.hasFieldValue'\n\t\t\t\t\t\taria-describedby='g827-message-textarea-error-message'\n\t\t\t\t\t\tdata-wp-bind--aria-invalid='state.fieldAriaInvalid'\n\t\t\t\t\t\tclass='textarea  grunion-field'  ><\/textarea>\n \n\t\t\t<div id=\"g827-message-textarea-error\" class=\"contact-form__input-error\" data-wp-class--has-errors=\"state.fieldHasErrors\">\n\t\t\t\t<span class=\"contact-form__warning-icon\" aria-hidden=\"true\">\n\t\t\t\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n\t\t\t\t\t\t<path d=\"M8.50015 11.6402H7.50015V10.6402H8.50015V11.6402Z\" \/>\n\t\t\t\t\t\t<path d=\"M7.50015 9.64018H8.50015V6.30684H7.50015V9.64018Z\" \/>\n\t\t\t\t\t\t<path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M6.98331 3.0947C7.42933 2.30177 8.57096 2.30177 9.01698 3.09469L13.8771 11.7349C14.3145 12.5126 13.7525 13.4735 12.8602 13.4735H3.14004C2.24774 13.4735 1.68575 12.5126 2.12321 11.7349L6.98331 3.0947ZM8.14541 3.58496C8.08169 3.47168 7.9186 3.47168 7.85488 3.58496L2.99478 12.2251C2.93229 12.3362 3.01257 12.4735 3.14004 12.4735H12.8602C12.9877 12.4735 13.068 12.3362 13.0055 12.2251L8.14541 3.58496Z\" \/>\n\t\t\t\t\t<\/svg>\n\t\t\t\t<\/span>\n\t\t\t\t<span data-wp-text=\"state.errorMessage\" id=\"g827-message-textarea-error-message\"><\/span>\n\t\t\t<\/div>\n\t<\/div>\n\t<p class='contact-submit'>\n<div class=\"contact-form__error\" data-wp-class--show-errors=\"state.showFormErrors\"><span class=\"contact-form__warning-icon\" aria-hidden=\"true\"><i><\/i><\/span><span class=\"contact-form__error-message\" tabindex=\"-1\" data-wp-watch=\"callbacks.focusOnValidationError\" data-wp-text=\"state.getFormErrorMessage\"><\/span><ul aria-label=\"Form errors\">\n\t\t\t\t<template data-wp-each=\"state.getErrorList\" data-wp-key=\"context.item.id\">\n\t\t\t\t\t<li><a data-wp-bind--href=\"context.item.anchor\" data-wp-on--click=\"actions.scrollIntoView\" data-wp-text=\"context.item.label\"><\/a><\/li>\n\t\t\t\t<\/template>\n\t\t\t\t<\/ul><\/div><div class=\"contact-form__error\" data-wp-class--show-errors=\"state.showSubmissionError\" data-wp-text=\"context.submissionError\" tabindex=\"-1\" data-wp-watch=\"callbacks.focusOnSubmissionError\"><\/div>\t\t<button type='submit' class='pushbutton-wide'>Submit<\/button>\t\t<input type='hidden' name='contact-form-id' value='827' \/>\n\t\t<input type='hidden' name='action' value='grunion-contact-form' \/>\n\t\t<input type='hidden' name='contact-form-hash' value='dbcf0e5dce53f628bac6da32b703eef48f65b8b6' \/>\n\t<\/p>\n<\/form>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Features High thermal stability of parameters Low insertion loss and polarization loss High channel isolation Applications Telecommunication networks Bidirectional WDM systems CATV networks Technical parameters EXAMPLES OF TECHNICAL SPECIFICATION FOR TYPICAL FWDM FILTERS Type Unit 1310\/1550 nm 1480\/1550 nm 1550\/1310 &#038; 1490 nm Transmission port bandwidth nm 1260-1360 (1520-1600) 1440-1490 (1530-1580) 1550-1600 Reflection port bandwidth [&hellip;]<\/p>\n","protected":false},"featured_media":828,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[23,34],"product_tag":[],"class_list":["post-827","product","type-product","status-publish","has-post-thumbnail","product_cat-passive-telecom-optics","product_cat-wdm-multiplexers-and-filters","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.4 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>FWDM passive solutions \u2013 multiplexers - WiConnect FiberDirect<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FWDM passive solutions \u2013 multiplexers\" \/>\n<meta property=\"og:description\" content=\"Features High thermal stability of parameters Low insertion loss and polarization loss High channel isolation Applications Telecommunication networks Bidirectional WDM systems CATV networks Technical parameters EXAMPLES OF TECHNICAL SPECIFICATION FOR TYPICAL FWDM FILTERS Type Unit 1310\/1550 nm 1480\/1550 nm 1550\/1310 &#038; 1490 nm Transmission port bandwidth nm 1260-1360 (1520-1600) 1440-1490 (1530-1580) 1550-1600 Reflection port bandwidth [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers\" \/>\n<meta property=\"og:site_name\" content=\"WiConnect FiberDirect\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-11T05:41:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/fiberdirect.biz\/wp-content\/uploads\/2024\/04\/image-52a9b817a72c8-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"402\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/fiberdirect.biz\\\/?product=fwdm-passive-solutions-multiplexers\",\"url\":\"https:\\\/\\\/fiberdirect.biz\\\/?product=fwdm-passive-solutions-multiplexers\",\"name\":\"FWDM passive solutions \u2013 multiplexers - WiConnect FiberDirect\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/fiberdirect.biz\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/fiberdirect.biz\\\/?product=fwdm-passive-solutions-multiplexers#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/fiberdirect.biz\\\/?product=fwdm-passive-solutions-multiplexers#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/fiberdirect.biz\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/image-52a9b817a72c8-1.webp\",\"datePublished\":\"2024-04-10T14:51:24+00:00\",\"dateModified\":\"2026-03-11T05:41:53+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/fiberdirect.biz\\\/?product=fwdm-passive-solutions-multiplexers#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/fiberdirect.biz\\\/?product=fwdm-passive-solutions-multiplexers\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/fiberdirect.biz\\\/?product=fwdm-passive-solutions-multiplexers#primaryimage\",\"url\":\"https:\\\/\\\/fiberdirect.biz\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/image-52a9b817a72c8-1.webp\",\"contentUrl\":\"https:\\\/\\\/fiberdirect.biz\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/image-52a9b817a72c8-1.webp\",\"width\":600,\"height\":402},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/fiberdirect.biz\\\/?product=fwdm-passive-solutions-multiplexers#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/fiberdirect.biz\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/fiberdirect.biz\\\/?page_id=7\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"FWDM passive solutions \u2013 multiplexers\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/fiberdirect.biz\\\/#website\",\"url\":\"https:\\\/\\\/fiberdirect.biz\\\/\",\"name\":\"Fiber Direct\",\"description\":\"FIber Optic Network Products and Services\",\"publisher\":{\"@id\":\"https:\\\/\\\/fiberdirect.biz\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/fiberdirect.biz\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/fiberdirect.biz\\\/#organization\",\"name\":\"Fiber Direct\",\"url\":\"https:\\\/\\\/fiberdirect.biz\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/fiberdirect.biz\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/fiberdirect.biz\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/wicw_logo.png\",\"contentUrl\":\"https:\\\/\\\/fiberdirect.biz\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/wicw_logo.png\",\"width\":400,\"height\":83,\"caption\":\"Fiber Direct\"},\"image\":{\"@id\":\"https:\\\/\\\/fiberdirect.biz\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"FWDM passive solutions \u2013 multiplexers - WiConnect FiberDirect","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers","og_locale":"en_US","og_type":"article","og_title":"FWDM passive solutions \u2013 multiplexers","og_description":"Features High thermal stability of parameters Low insertion loss and polarization loss High channel isolation Applications Telecommunication networks Bidirectional WDM systems CATV networks Technical parameters EXAMPLES OF TECHNICAL SPECIFICATION FOR TYPICAL FWDM FILTERS Type Unit 1310\/1550 nm 1480\/1550 nm 1550\/1310 &#038; 1490 nm Transmission port bandwidth nm 1260-1360 (1520-1600) 1440-1490 (1530-1580) 1550-1600 Reflection port bandwidth [&hellip;]","og_url":"https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers","og_site_name":"WiConnect FiberDirect","article_modified_time":"2026-03-11T05:41:53+00:00","og_image":[{"width":600,"height":402,"url":"https:\/\/fiberdirect.biz\/wp-content\/uploads\/2024\/04\/image-52a9b817a72c8-1.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers","url":"https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers","name":"FWDM passive solutions \u2013 multiplexers - WiConnect FiberDirect","isPartOf":{"@id":"https:\/\/fiberdirect.biz\/#website"},"primaryImageOfPage":{"@id":"https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers#primaryimage"},"image":{"@id":"https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers#primaryimage"},"thumbnailUrl":"https:\/\/fiberdirect.biz\/wp-content\/uploads\/2024\/04\/image-52a9b817a72c8-1.webp","datePublished":"2024-04-10T14:51:24+00:00","dateModified":"2026-03-11T05:41:53+00:00","breadcrumb":{"@id":"https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers#primaryimage","url":"https:\/\/fiberdirect.biz\/wp-content\/uploads\/2024\/04\/image-52a9b817a72c8-1.webp","contentUrl":"https:\/\/fiberdirect.biz\/wp-content\/uploads\/2024\/04\/image-52a9b817a72c8-1.webp","width":600,"height":402},{"@type":"BreadcrumbList","@id":"https:\/\/fiberdirect.biz\/?product=fwdm-passive-solutions-multiplexers#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/fiberdirect.biz\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/fiberdirect.biz\/?page_id=7"},{"@type":"ListItem","position":3,"name":"FWDM passive solutions \u2013 multiplexers"}]},{"@type":"WebSite","@id":"https:\/\/fiberdirect.biz\/#website","url":"https:\/\/fiberdirect.biz\/","name":"Fiber Direct","description":"FIber Optic Network Products and Services","publisher":{"@id":"https:\/\/fiberdirect.biz\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/fiberdirect.biz\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/fiberdirect.biz\/#organization","name":"Fiber Direct","url":"https:\/\/fiberdirect.biz\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/fiberdirect.biz\/#\/schema\/logo\/image\/","url":"https:\/\/fiberdirect.biz\/wp-content\/uploads\/2024\/04\/wicw_logo.png","contentUrl":"https:\/\/fiberdirect.biz\/wp-content\/uploads\/2024\/04\/wicw_logo.png","width":400,"height":83,"caption":"Fiber Direct"},"image":{"@id":"https:\/\/fiberdirect.biz\/#\/schema\/logo\/image\/"}}]}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/fiberdirect.biz\/index.php?rest_route=\/wp\/v2\/product\/827","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fiberdirect.biz\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/fiberdirect.biz\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/fiberdirect.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=827"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fiberdirect.biz\/index.php?rest_route=\/wp\/v2\/media\/828"}],"wp:attachment":[{"href":"https:\/\/fiberdirect.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=827"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/fiberdirect.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=827"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/fiberdirect.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=827"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/fiberdirect.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}