{"id":5221,"date":"2026-08-04T01:09:20","date_gmt":"2026-08-03T23:09:20","guid":{"rendered":"https:\/\/www.fanjoe.be\/?p=5221"},"modified":"2026-08-04T01:25:53","modified_gmt":"2026-08-03T23:25:53","slug":"installation-dun-filtre-868-sur-sensecap-solar-node-p1-pro","status":"publish","type":"post","link":"https:\/\/www.fanjoe.be\/?p=5221","title":{"rendered":"Installation d&rsquo;un filtre 868 sur SenseCAP Solar Node P1-Pro"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Introduction<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">J&rsquo;ai install\u00e9 deux relais <a rel=\"noreferrer noopener\" href=\"https:\/\/www.seeedstudio.com\/SenseCAP-Solar-Node-P1-Pro-for-Meshtastic-LoRa-p-6412.html?sensecap_affiliate=qkj1ylX&amp;referring_service=link\" target=\"_blank\">SenseCAP Solar Node P1-Pro<\/a> (code promo -5% : D94R3OQ7) dans un environnement urbain, \u00e0 proximit\u00e9 d\u2019antennes t\u00e9l\u00e9coms 900MHz. L&rsquo;un de ceux-ci (BE-BRU-Jacqmain) se situe face \u00e0 celles de Telenet sur le site <a rel=\"noreferrer noopener\" href=\"https:\/\/alfresco.environnement.brussels\/share\/s\/y2RQto96Tr6hej9ntGnMUA?jfwid=13q6jyrqq6\" target=\"_blank\">BX3438<\/a>. <\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-01.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"393\" data-attachment-id=\"5223\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5223\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-01.jpg\" data-orig-size=\"1024,649\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-01\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-01-620x393.jpg\" data-id=\"5223\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-01-620x393.jpg\" alt=\"\" class=\"wp-image-5223\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-01-620x393.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-01-300x190.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-01-175x111.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-01.jpg 1024w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-02.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"375\" data-attachment-id=\"5225\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5225\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-02.jpg\" data-orig-size=\"1191,720\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-02\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-02-620x375.jpg\" data-id=\"5225\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-02-620x375.jpg\" alt=\"\" class=\"wp-image-5225\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-02-620x375.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-02-300x181.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-02-175x106.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-02.jpg 1191w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le panneau E, orient\u00e9 vers mon relais \u00e9met (entre autre) dans la bande 4G-L8 (LTE 800) et 2G-L9 (GSM 900). Les fr\u00e9quences sont tr\u00e8s proches et ont tendance \u00e0 d\u00e9border un peu sur les 969,618MHz de MeshCore, ce qui augmente le bruit de fond et d\u00e9t\u00e9riore le SNR (rapport signal\/bruit).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-03.png\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"179\" data-attachment-id=\"5227\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5227\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-03.png\" data-orig-size=\"1344,800\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-03\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-03-620x369.png\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-03-300x179.png\" alt=\"\" class=\"wp-image-5227\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-03-300x179.png 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-03-620x369.png 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-03-175x104.png 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-03.png 1344w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Filtres<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pour am\u00e9liorer la situation, nous allons installer un filtre 868MHz entre le module LoRa et l&rsquo;antenne.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Cavity filter (filtre \u00e0 cavit\u00e9)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les filtres \u00e0 cavit\u00e9 sont tr\u00e8s s\u00e9lectifs (bande \u00e9troite), pr\u00e9sentent une faible perte d&rsquo;insertion (~1\u20132 dB) et ont un gros rejet (&gt;70dB). Ils sont tr\u00e8s adapt\u00e9s pour un environnement urbain pollu\u00e9, mais sont tr\u00e8s volumineux et assez cher (~150-300\u20ac).<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-04.png\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"403\" data-attachment-id=\"5232\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5232\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-04.png\" data-orig-size=\"800,520\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-04\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-04-620x403.png\" data-id=\"5232\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-04-620x403.png\" alt=\"\" class=\"wp-image-5232\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-04-620x403.png 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-04-300x195.png 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-04-175x114.png 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-04.png 800w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-05.png\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"403\" data-attachment-id=\"5231\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5231\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-05.png\" data-orig-size=\"800,520\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-05\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-05-620x403.png\" data-id=\"5231\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-05-620x403.png\" alt=\"\" class=\"wp-image-5231\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-05-620x403.png 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-05-300x195.png 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-05-175x114.png 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-05.png 800w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">SAW (Surface Acoustic Wave)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les filtres SAW sont probablement les plus courants. Ils sont petits, pas cher, pr\u00e9sentent une bande passante assez large (souvent 3-10MHz voire plus) et ont une perte d\u2019insertion mod\u00e9r\u00e9e de ~2-6dB.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ils sont souvent pr\u00e9sent\u00e9s avec une connectique SMA ou RP-SMA M\/F pour venir se visser \u00e0 la sortie du node ou sous l&rsquo;antenne. Ceci peut cr\u00e9er un porte-\u00e0-faux sur la fiche, mais surtout, l&rsquo;installation hors du boitier \u00e9tanche peut provoquer des infiltrations d&rsquo;eau.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-06.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"403\" data-attachment-id=\"5234\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5234\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-06.jpg\" data-orig-size=\"800,520\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-06\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-06-620x403.jpg\" data-id=\"5234\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-06-620x403.jpg\" alt=\"\" class=\"wp-image-5234\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-06-620x403.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-06-300x195.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-06-175x114.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-06.jpg 800w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-07.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"403\" data-attachment-id=\"5235\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5235\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-07.jpg\" data-orig-size=\"800,520\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-07\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-07-620x403.jpg\" data-id=\"5235\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-07-620x403.jpg\" alt=\"\" class=\"wp-image-5235\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-07-620x403.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-07-300x195.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-07-175x114.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-07.jpg 800w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Il existe cependant des versions plus petites avec une connectique IPEX pour permettre de faire le branchement \u00e0 l&rsquo;int\u00e9rieur du boitier \u00e9tanche. Mais elles sont beaucoup plus rares et difficiles \u00e0 trouver.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ici, <a rel=\"noreferrer noopener\" href=\"https:\/\/elektronikreich.de\" target=\"_blank\">Elektronik Reich<\/a> vend son filtre \u00e0 24,90\u20ac.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-08.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"403\" data-attachment-id=\"5236\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5236\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-08.jpg\" data-orig-size=\"800,520\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-08\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-08-620x403.jpg\" data-id=\"5236\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-08-620x403.jpg\" alt=\"\" class=\"wp-image-5236\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-08-620x403.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-08-300x195.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-08-175x114.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-08.jpg 800w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-09.png\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"403\" data-attachment-id=\"5237\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5237\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-09.png\" data-orig-size=\"800,520\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-09\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-09-620x403.png\" data-id=\"5237\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-09-620x403.png\" alt=\"\" class=\"wp-image-5237\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-09-620x403.png 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-09-300x195.png 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-09-175x114.png 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-09.png 800w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Vendeur Vinted<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">J&rsquo;ai trouv\u00e9 un vendeur sur Vinted &#8211; <a href=\"https:\/\/www.vinted.be\/member\/3132080490\" target=\"_blank\" rel=\"noreferrer noopener\">usuariopuntos<\/a> &#8211; qui vend son filtre \u00e0 9,99\u20ac + 1,20\u20ac de frais de plateforme et 3,75\u20ac de frais de port.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.vinted.be\/items\/9039443139\">https:\/\/www.vinted.be\/items\/9039443139<\/a><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-10.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"620\" data-attachment-id=\"5239\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5239\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-10.jpg\" data-orig-size=\"800,800\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-10\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-10-620x620.jpg\" data-id=\"5239\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-10-620x620.jpg\" alt=\"\" class=\"wp-image-5239\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-10-620x620.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-10-300x300.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-10-175x175.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-10-100x100.jpg 100w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-10.jpg 800w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-11.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"620\" data-attachment-id=\"5241\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5241\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-11.jpg\" data-orig-size=\"800,800\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-11\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-11-620x620.jpg\" data-id=\"5241\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-11-620x620.jpg\" alt=\"\" class=\"wp-image-5241\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-11-620x620.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-11-300x300.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-11-175x175.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-11-100x100.jpg 100w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-11.jpg 800w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-12.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"620\" data-attachment-id=\"5240\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5240\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-12.jpg\" data-orig-size=\"800,800\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-12\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-12-620x620.jpg\" data-id=\"5240\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-12-620x620.jpg\" alt=\"\" class=\"wp-image-5240\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-12-620x620.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-12-300x300.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-12-175x175.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-12-100x100.jpg 100w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-12.jpg 800w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le filtre pr\u00e9sente une att\u00e9nuation allant de 1,45 \u00e0 1,85 dB (voir images) en fonction du lot. Il repose sur une puce TA2532A supportant un niveau continu de 27 dBm (et plus en cr\u00eate).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tous les d\u00e9tails de la puce sont disponibles sur ce document : <a href=\"https:\/\/www.taisaw.com\/assets\/PDF\/TA2532A%20_Rev1.0_.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.taisaw.com\/assets\/PDF\/TA2532A%20_Rev1.0_.pdf<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La version IPEX inclut un c\u00e2ble IPEX-IPEX de 30mm de long.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les cartes sont fabriqu\u00e9es \u00e0 la main par le vendeur et la qualit\u00e9 irr\u00e9prochable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Seul b\u00e9mol, le d\u00e9lais de livraison Vinted est tr\u00e8s long. J&rsquo;ai attendu 3 semaines alors que le vendeur a exp\u00e9di\u00e9 le colis tr\u00e8s rapidement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Installation du filtre<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le filtre est vraiment tout petit et mesure 22x7mm.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-6 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-13.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"465\" data-attachment-id=\"5244\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5244\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-13.jpg\" data-orig-size=\"1080,810\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-13\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-13-620x465.jpg\" data-id=\"5244\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-13-620x465.jpg\" alt=\"\" class=\"wp-image-5244\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-13-620x465.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-13-300x225.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-13-175x131.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-13.jpg 1080w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-14.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"465\" data-attachment-id=\"5245\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5245\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-14.jpg\" data-orig-size=\"1080,810\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-14\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-14-620x465.jpg\" data-id=\"5245\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-14-620x465.jpg\" alt=\"\" class=\"wp-image-5245\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-14-620x465.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-14-300x225.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-14-175x131.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-14.jpg 1080w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">On va ouvrir le boitier en retirant les 9 vis cruciformes, on d\u00e9branche le connecteur IPEX de la puce LoRa et on insert le filtre avec le petit pigtail IPEX-IPEX.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour \u00e9viter les court-circuits, j&rsquo;ai emball\u00e9 le filtre avec de l&rsquo;adh\u00e9sif isolant. C&rsquo;est pas tr\u00e8s joli, mais \u00e7a fait le taf. ?<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-7 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-15.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"465\" data-attachment-id=\"5246\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5246\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-15.jpg\" data-orig-size=\"1080,810\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-15\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-15-620x465.jpg\" data-id=\"5246\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-15-620x465.jpg\" alt=\"\" class=\"wp-image-5246\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-15-620x465.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-15-300x225.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-15-175x131.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-15.jpg 1080w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-16.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"465\" data-attachment-id=\"5247\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5247\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-16.jpg\" data-orig-size=\"1080,810\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-16\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-16-620x465.jpg\" data-id=\"5247\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-16-620x465.jpg\" alt=\"\" class=\"wp-image-5247\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-16-620x465.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-16-300x225.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-16-175x131.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-16.jpg 1080w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-17.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"465\" data-attachment-id=\"5248\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5248\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-17.jpg\" data-orig-size=\"1080,810\" data-comments-opened=\"1\" data-image-title=\"P1-Pro-Filter-17\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-17-620x465.jpg\" data-id=\"5248\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-17-620x465.jpg\" alt=\"\" class=\"wp-image-5248\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-17-620x465.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-17-300x225.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-17-175x131.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-17.jpg 1080w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Le r\u00e9sultat<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Voici quelques captures de la r\u00e9ception des relais voisins. On peut voir un net gain SNR (rapport signal\/bruit) \u00e0 droite des graphiques.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-8 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-18.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"370\" data-attachment-id=\"5249\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5249\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-18.jpg\" data-orig-size=\"827,493\" data-comments-opened=\"1\" data-image-title=\"Screenshot\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Screenshot&lt;\/p&gt;\n\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-18-620x370.jpg\" data-id=\"5249\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-18-620x370.jpg\" alt=\"\" class=\"wp-image-5249\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-18-620x370.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-18-300x179.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-18-175x104.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-18.jpg 827w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-19.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"370\" data-attachment-id=\"5250\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5250\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-19.jpg\" data-orig-size=\"828,494\" data-comments-opened=\"1\" data-image-title=\"Screenshot\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Screenshot&lt;\/p&gt;\n\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-19-620x370.jpg\" data-id=\"5250\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-19-620x370.jpg\" alt=\"\" class=\"wp-image-5250\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-19-620x370.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-19-300x179.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-19-175x104.jpg 175w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-19.jpg 828w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-20.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"370\" data-attachment-id=\"5252\" data-permalink=\"https:\/\/www.fanjoe.be\/?attachment_id=5252\" data-orig-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-20.jpg\" data-orig-size=\"828,494\" data-comments-opened=\"1\" data-image-title=\"Screenshot\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Screenshot&lt;\/p&gt;\n\" data-large-file=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-20-620x370.jpg\" data-id=\"5252\" src=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-20-620x370.jpg\" alt=\"\" class=\"wp-image-5252\" srcset=\"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-20-620x370.jpg 620w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-20-300x179.jpg 300w, https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-20-175x104.jpg 175w, 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\/><\/a><\/figure>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Introduction <\/p>\n<p class=\"wp-block-paragraph\">J&rsquo;ai install\u00e9 deux relais <a rel=\"noreferrer noopener\" href=\"https:\/\/www.seeedstudio.com\/SenseCAP-Solar-Node-P1-Pro-for-Meshtastic-LoRa-p-6412.html?sensecap_affiliate=qkj1ylX&amp;referring_service=link\" target=\"_blank\">SenseCAP Solar Node P1-Pro<\/a> (code promo -5% : D94R3OQ7) dans&#8230;<\/p>\n","protected":false},"author":1,"featured_media":5258,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","jetpack_post_was_ever_published":false},"categories":[10,415,392],"tags":[417,418,420,419,421],"class_list":["post-5221","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geek","category-meshcore-meshtastic","category-telecoms","tag-meshcore","tag-meshtastic","tag-p1-pro","tag-sensecap","tag-solar-node","end"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.fanjoe.be\/wp-content\/uploads\/2026\/08\/P1-Pro-Filter-00.jpg","_links":{"self":[{"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=\/wp\/v2\/posts\/5221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5221"}],"version-history":[{"count":0,"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=\/wp\/v2\/posts\/5221\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=\/wp\/v2\/media\/5258"}],"wp:attachment":[{"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fanjoe.be\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}