{"id":43,"date":"2021-06-16T13:09:43","date_gmt":"2021-06-16T13:09:43","guid":{"rendered":"https:\/\/hosting159620.ae813.netcup.net\/wp\/?p=43"},"modified":"2022-12-30T21:30:14","modified_gmt":"2022-12-30T21:30:14","slug":"wifi-radiolaenkteknik","status":"publish","type":"post","link":"https:\/\/csiag.eu\/sv\/blog\/2021\/06\/16\/wlan-richtfunk-technik\/","title":{"rendered":"WLAN\/riktad radioteknik"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Inneh\u00e5llsf\u00f6rteckning<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/csiag.eu\/sv\/blog\/2021\/06\/16\/wlan-richtfunk-technik\/#Grundlagen\" >Grunderna<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/csiag.eu\/sv\/blog\/2021\/06\/16\/wlan-richtfunk-technik\/#WLAN_Abdeckung\" >WiFi-t\u00e4ckning<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/csiag.eu\/sv\/blog\/2021\/06\/16\/wlan-richtfunk-technik\/#Auswahl_der_Komponenten\" >Urval av komponenter<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/csiag.eu\/sv\/blog\/2021\/06\/16\/wlan-richtfunk-technik\/#Fallbeispiel\" >Fallstudie<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/csiag.eu\/sv\/blog\/2021\/06\/16\/wlan-richtfunk-technik\/#Security_Gateway_Pro_4_Unifi_Cloud_Key\" >Security Gateway Pro 4 \/ Unifi Cloud Key<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/csiag.eu\/sv\/blog\/2021\/06\/16\/wlan-richtfunk-technik\/#Unifi-Switch\" >Unifi switch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/csiag.eu\/sv\/blog\/2021\/06\/16\/wlan-richtfunk-technik\/#Unifi-AccessPoint\" >Unifi AccessPoint<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/csiag.eu\/sv\/blog\/2021\/06\/16\/wlan-richtfunk-technik\/#MikroTik-Richtfunkstrecke\" >MikroTik radiol\u00e4nk<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">L\u00e4stid<\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">minuter<\/span><\/span>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Grundlagen\"><\/span>Grunderna<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">WLAN fungerar som lokal \u00e5tkomst till en n\u00e4tverksinfrastruktur, medan avst\u00e5ndet mellan tv\u00e5 stationer \u00f6kas med hj\u00e4lp av riktade radioantenner.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WiFi \u00f6verallt \u2013 det \u00e4r s\u00e5 du vill att det ska vara. Men tillverkarnas fylliga l\u00f6ften h\u00e5ller ofta inte vad de verkar lova.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00f6r att vara \u00e4rlig beror det inte p\u00e5 deras f\u00f6rment \u00f6verdrivna r\u00e4ckviddsl\u00f6ften, utan snarare p\u00e5 de lokala f\u00f6rh\u00e5llandena, som inte motsvarar den ideala standarden: armerad betong, v\u00e4ggar, tak, tr\u00e4d etc. representerar alla hinder f\u00f6r radiov\u00e5gor. Ju kortare v\u00e5gl\u00e4ngd, desto h\u00f6gre d\u00e4mpning orsakas av hinder.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WiFi t\u00e4cks av tv\u00e5 bandintervall: 2,4 GHz och 5 GHz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Det finns olika IEEE-standarder inom dessa band, f\u00f6r n\u00e4rvarande representerade i 2,4 GHz-bandet \u00e4r 802.11b med upp till 11 Mbit\/s p\u00e5 20 m r\u00e4ckvidd, 802.11g med upp till 54 Mbit\/s vid 25...50 m r\u00e4ckvidd, i 5:e GHz-bandet 802.11n med upp till 600 MBit\/s med en r\u00e4ckvidd p\u00e5 70m, 802.11ac med upp till 1 300 MBit\/s, samt i 60 GHz-bandet 802.11ad med upp till 7 GBit\/s med en r\u00e4ckvidd p\u00e5 50m och 802.11ay med upp till 175 GBit\/s med en r\u00e4ckvidd p\u00e5 bara 10m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Som vanligt med DSL-datagenomstr\u00f6mningsinformation s\u00e4ger r\u00e4ckvidden h\u00e4r ocks\u00e5 &quot;upp till&quot; x meter. Detta f\u00f6ruts\u00e4tter i allm\u00e4nhet en fri sikt.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"WLAN_Abdeckung\"><\/span>WiFi-t\u00e4ckning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e5gade killar rekommenderar att man anv\u00e4nder s\u00e5 kallade repeaters f\u00f6r att \u00f6ka r\u00e4ckvidden. Detta bortser fr\u00e5n det faktum att repeatern skulle beh\u00f6va skicka och ta emot samtidigt f\u00f6r att kunna leverera samma data\u00f6verf\u00f6ringshastighet. Men det \u00e4r precis vad han inte kan. Medan han lyssnar kan han inte tala och vice versa. D\u00e4rf\u00f6r reduceras genomstr\u00f6mningen som kan uppn\u00e5s med en repeater med 50%.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Om du vill ha homogen Wi-Fi-t\u00e4ckning s\u00e5 kan du inte undvika att ha ett motsvarande antal Wi-Fi-\u00e5tkomstpunkter, om du \u00e4r os\u00e4ker till och med en per rum om du vill att n\u00e4stan maximal prestanda ska finnas tillg\u00e4nglig \u00f6verallt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Str\u00e5lningsdiagrammen, som visar accesspunktens str\u00e5lningsegenskaper, ignoreras ofta eftersom de s\u00e4llan visas i accesspunkternas tekniska datablad. Beroende p\u00e5 hur antennerna \u00e4r anordnade kan detta vara cirkul\u00e4rt, koniskt eller liknande en ellips, eller en kombination av alla. Genom att k\u00e4nna till dessa egenskaper kan belysningen av h\u00f6rn \u00f6kas vid behov, f\u00f6rutsatt att dessa m\u00e4tdata beaktas vid installation av AccessPoint. F\u00f6r speciella applikationer finns det \u00e4ven sektorantenner som specifikt belyser en smal, konisk korridor.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Auswahl_der_Komponenten\"><\/span>Urval av komponenter<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Produkter fr\u00e5n v\u00e4lk\u00e4nda tillverkare, inklusive routrar, hittas ofta och utf\u00f6r sitt jobb s\u00e4kert f\u00f6r hush\u00e5llsbruk. Om du vill ha en milj\u00f6 som kan administreras p\u00e5 distans, vid behov, men i f\u00f6rsta hand ren genomg\u00e5ende, b\u00f6r du anv\u00e4nda en f\u00f6retagsleverant\u00f6r (t.ex. <em>Ubiquity<\/em>) undg\u00e5. <em>Ubiquity<\/em> poserar med sin <em>Unifi<\/em>-Produkter Enterprise-teknologi tillg\u00e4nglig billigt f\u00f6r konsumentsektorn.<br>Alla rackmonterbara komponenter har en relativt h\u00f6g driftstemperatur men \u00e4r \u00e4ven certifierade f\u00f6r detta.<br>N\u00e4r den installeras i ett n\u00e4tverkssk\u00e5p \u00e4r enligt min mening automatisk ventilation med effektiva fl\u00e4ktar meningsfull, \u00e4ven om det inte kr\u00e4vs enligt tillverkarens specifikationer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Man m\u00e5ste ta h\u00e4nsyn till att kvalitet inte kan erbjudas till ett rabatterat pris. K\u00f6per du billigt k\u00f6per du tv\u00e5 g\u00e5nger. \u00c4ven om man ofta tenderar att ignorera denna truism, kommer den ikapp oss om och om igen med absolut tillf\u00f6rlitlighet - ibland f\u00f6rr, ibland senare...<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fallbeispiel\"><\/span>Fallstudie<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nedan presenterar jag en omfattande installation av 1x router (<em>AVM 9590 kabel<\/em>), 1x Security Gateway Pro 4, 12x switchar, 9x \u00e5tkomstpunkter (allt <em>Ubiquity<\/em>) och 1x 1 Gbit\/s radiol\u00e4nk (MicroTik), som t\u00e4cker en bungalow med tre bost\u00e4der med 360 kvm boyta och 2 000 kvm utomhusyta f\u00f6r cirka 90 kunder.<br><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Security_Gateway_Pro_4_Unifi_Cloud_Key\"><\/span>Security Gateway Pro 4 \/ Unifi Cloud Key<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">De <em><a href=\"https:\/\/www.amazon.de\/gp\/product\/B01A9HFTYA\/ref=as_li_tl?ie=UTF8&amp;tag=csiag-21&amp;camp=1638&amp;creative=6742&amp;linkCode=as2&amp;creativeASIN=B01A9HFTYA&amp;linkId=8016c0de750a4484dfad71b15ae77688\" target=\"_blank\" rel=\"noreferrer noopener\">Unifi Security Gateway Pro 4<\/a><\/em> fungerar som router och brandv\u00e4gg i f\u00f6retagssegmentet, har tv\u00e5 WAN- och tv\u00e5 LAN-portar, vardera 1 Gbit\/s, s\u00e5 att en redundant DSL-anslutning kan implementeras vid behov, t.ex. WAN 1 -&gt; kabel DSL, WAN 2 -&gt; LTE och, som alla Unifi-komponenter, administreras via en kontroller som kan n\u00e5s via en webbl\u00e4sare.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Den s\u00e5 kallade <em><a href=\"https:\/\/www.amazon.de\/gp\/product\/B07JDRG3FL\/ref=as_li_tl?ie=UTF8&amp;tag=csiag-21&amp;camp=1638&amp;creative=6742&amp;linkCode=as2&amp;creativeASIN=B07JDRG3FL&amp;linkId=46c43d772e40fc6ea1abfd6e2fd459ef\" target=\"_blank\" rel=\"noreferrer noopener\">Unifi Cloud Key<\/a><\/em> m\u00f6jligg\u00f6r (\u00e4ven fj\u00e4rradministration) via mobilapp eller webbl\u00e4sare och eliminerar behovet av att installera Unifi-styrenhetens programvara p\u00e5 en dator. Den \u00e4r ansluten till valfri switch.<br>Det finns ocks\u00e5 en f\u00f6r detta <a href=\"https:\/\/www.amazon.de\/gp\/product\/B07PRF852W\/ref=as_li_tl?ie=UTF8&amp;tag=csiag-21&amp;camp=1638&amp;creative=6742&amp;linkCode=as2&amp;creativeASIN=B07PRF852W&amp;linkId=fa8e927f9c81585b5058e82545a1b523\" target=\"_blank\" rel=\"noreferrer noopener\">Rackmonterad tillbeh\u00f6r.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WAN 1 \u00e4r ansluten till port 1 <em>AVM 6950 kabel<\/em> ansluten. Observera att AVM-routern anv\u00e4nder ett annat subn\u00e4t \u00e4n Unifi-infrastrukturen (t.ex. AVM <kbd>192.168.0.x<\/kbd> och WAN <kbd>1 192.168.1.x<\/kbd>). LAN 1 leder direkt till switchen (h\u00e4r 48-portar).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Med hj\u00e4lp av Unifi Security Gateway och styrenheten kan valfritt antal LAN- och WLAN-n\u00e4tverk konfigureras inom n\u00e5gra minuter, inklusive g\u00e4stn\u00e4tverk med g\u00e4stinloggningsportal eller utan separat inloggning, alla med st\u00f6d f\u00f6r VLAN f\u00f6rst\u00e5s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tre LAN-n\u00e4tverk med varsitt subn\u00e4t och fyra WLAN-n\u00e4tverk sattes upp h\u00e4r.<br><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Unifi-Switch\"><\/span>Unifi switch<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Alla Unifi-switchar kan administreras via kontrollern och vissa har POE enligt 802.3at\/af och SFP-portar. Switchkapaciteten \u00e4r 16 \/ 20 (8-portar \/ POE).. 104 (24-portar) GBit\/s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Switchar som anv\u00e4nds h\u00e4r \u00e4r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.amazon.de\/gp\/product\/B085TLT6Z4\/ref=as_li_tl?ie=UTF8&amp;tag=csiag-21&amp;camp=1638&amp;creative=6742&amp;linkCode=as2&amp;creativeASIN=B085TLT6Z4&amp;linkId=f5afac4b50e34d115a74bb3d29661a9a\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Unifi Switch 8-portar<\/em> (4-portars POE)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.amazon.de\/gp\/product\/B01G55FYU4\/ref=as_li_tl?ie=UTF8&amp;tag=csiag-21&amp;camp=1638&amp;creative=6742&amp;linkCode=as2&amp;creativeASIN=B01G55FYU4&amp;linkId=1635b0846f4d570eeebc242e91962f61\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Unifi Switch 8-portar<\/em> POE 2 SFP<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.amazon.de\/gp\/product\/B01JELELC8\/ref=as_li_tl?ie=UTF8&amp;tag=csiag-21&amp;camp=1638&amp;creative=6742&amp;linkCode=as2&amp;creativeASIN=B01JELELC8&amp;linkId=6a68039ea976373563f7e62d22e4adb3\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Unifi Switch 48 portar<\/em> 2 SFP:er<\/a><br><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Unifi-AccessPoint\"><\/span>Unifi AccessPoint<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ubiquiti erbjuder olika varianter, inklusive: <em><a href=\"https:\/\/www.amazon.de\/gp\/product\/B016K5A06C\/ref=as_li_tl?ie=UTF8&amp;tag=csiag-21&amp;camp=1638&amp;creative=6742&amp;linkCode=as2&amp;creativeASIN=B016K5A06C&amp;linkId=e4ca6b3c200bc1bd3e532f63b4abc821\" target=\"_blank\" rel=\"noreferrer noopener\">Unifi AP AC LR<\/a><\/em> (l\u00e5ng r\u00e4ckvidd, inomhus) och PRO (utomhus).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00e5ng r\u00e4ckvidd l\u00e5ter frestande till en b\u00f6rjan, slutligen mer r\u00e4ckvidd, upp till 183m. Ja p\u00e5 den mottagande sidan, MEN: vilken av de lokala enheterna, s\u00e5som mobiltelefoner, surfplattor etc. st\u00f6der ett l\u00e5ngt r\u00e4ckviddsl\u00e4ge p\u00e5 s\u00e4ndningssidan?!<br>S\u00e5 gl\u00f6m LR genast, det \u00e4r b\u00e4ttre att v\u00e4lja PRO med en r\u00e4ckvidd p\u00e5 upp till 122 m, \u00e4ven f\u00f6r inomhusbruk.<br>Jo, 122m, en accesspunkt borde r\u00e4cka f\u00f6r hela l\u00e4genheten! Felaktigt: &quot;122m&quot;, f\u00f6r det f\u00f6rsta &quot;upp till&quot; och f\u00f6r det andra &quot;siktf\u00f6rh\u00e5llanden i \u00f6ppet f\u00e4lt&quot;.<br>\u00c4ven en enda ytterv\u00e4gg minskar de 600 Mbit\/s som finns tillg\u00e4ngliga utanf\u00f6r till ca 140 Mbit\/s, b\u00e5da g\u00e5ngerna baserat p\u00e5 ett avst\u00e5nd p\u00e5 2m i en vinkel p\u00e5 45\u00b0 till accesspunkten! Varje ytterligare v\u00e4gg minskar datagenomstr\u00f6mningen igen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De <em><a href=\"https:\/\/www.amazon.de\/gp\/product\/B016XYQ3WK\/ref=as_li_tl?ie=UTF8&amp;tag=csiag-21&amp;camp=1638&amp;creative=6742&amp;linkCode=as2&amp;creativeASIN=B016XYQ3WK&amp;linkId=a8e9e364651e09e045f78c56fe4ea0e5\" target=\"_blank\" rel=\"noreferrer noopener\">Unifi AP AC PRO<\/a><\/em>-Versionen erbjuder 3 x 3 TX\/RX MIMO-antenner vid 2,4 GHz och 5 GHz med en maximal genomstr\u00f6mning p\u00e5 450 MBit\/s eller 1,3 GBit\/s, har 2 x 1 GBit\/s LAN-portar (t.ex. f\u00f6r en LAN-ansluten POE-video kamera).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Str\u00e5lningsdiagram finns nedan <a href=\"https:\/\/help.ui.com\/hc\/en-us\/articles\/115005212927-UniFi-UAP-Antenna-Radiation-Patterns\" target=\"_blank\" rel=\"noopener\">https:\/\/help.ui.com\/hc\/en-us\/articles\/115005212927-UniFi-UAP-Antenna-Radiation-Patterns<\/a> tillg\u00e4nglig.<br><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"MikroTik-Richtfunkstrecke\"><\/span>MikroTik radiol\u00e4nk<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ubiquiti erbjuder f\u00f6r n\u00e4rvarande en ny riktad radioantenn <em><a href=\"https:\/\/www.omg.de\/ubiquiti-networks\/airmax\/powerbeam\/pbe-5ac-iso-gen2\/a-14649\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ubiquiti PowerBeam 5AC ISO Gen2<\/a><\/em> med 450 MBit\/s \u00f6ver en str\u00e4cka p\u00e5 upp till 25km (!) (kan vara av intresse f\u00f6r b\u00f6nder) till ett acceptabelt pris. Otto-Normal m\u00e5ste dock \u00f6verbrygga avst\u00e5nd p\u00e5 mindre \u00e4n 100m (hus \u2013 tr\u00e4dg\u00e5rd). Detta inser det <em><a href=\"https:\/\/www.amazon.de\/gp\/product\/B077992GG3\/ref=as_li_tl?ie=UTF8&amp;tag=csiag-21&amp;camp=1638&amp;creative=6742&amp;linkCode=as2&amp;creativeASIN=B077992GG3&amp;linkId=8234b2db04fdf73e7cc527dc96ffcb3b\" target=\"_blank\" rel=\"noreferrer noopener\">MikroTik 1Gbps tr\u00e5dl\u00f6s tr\u00e5dsats<\/a><\/em> med stabila 800 MBit\/s \u00f6ver ett avst\u00e5nd p\u00e5 60m. H\u00e4r bearbetas till exempel parallella videostr\u00f6mmar fr\u00e5n 5 h\u00f6guppl\u00f6sta Hikvision-kameror, Netflix TV, spelkonsol, speldator, tv\u00e5 mobiltelefoner och surfplattor samt tv\u00e5 Raspberry Pi-datorer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Den enda nackdelen: antennerna m\u00e5ste administreras via sina egna IP:er via webbgr\u00e4nssnittet. Med Unifi-radiol\u00e4nken skulle detta fungera via Unifi-kontrollern.<br>Om du kan leva med denna begr\u00e4nsning rekommenderas denna MikroTik-l\u00f6sning.<\/p>","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">L\u00e4stid<\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">minuter<\/span><\/span>Basic WLAN fungerar som lokal \u00e5tkomst till en n\u00e4tverksinfrastruktur, medan mam anv\u00e4nder riktantenner f\u00f6r att ut\u00f6ka avst\u00e5ndet mellan tv\u00e5 stationer. WLAN \u00f6verallt - det \u00e4r s\u00e5 man vill att det ska vara. Men tillverkarnas storslagna l\u00f6ften h\u00e5ller ofta inte vad de verkar lova. I \u00e4rlighetens namn beror det inte p\u00e5 deras l\u00f6ften om \u00f6verdriven r\u00e4ckvidd, utan p\u00e5 de lokala...&nbsp;<a href=\"https:\/\/csiag.eu\/sv\/blog\/2021\/06\/16\/wlan-richtfunk-technik\/\" rel=\"bookmark\">L\u00e4s mer \"<span class=\"screen-reader-text\">WLAN\/riktad radioteknik<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[356,357],"tags":[666,668,667,674,671,665,672,574,675,673,669,670,563],"class_list":["post-43","post","type-post","status-publish","format-standard","hentry","category-kommunikation","category-wlan-richtfunk-technik","tag-abdeckung","tag-abstrahlungscharakteristik","tag-accesspoint","tag-controller","tag-mikrotik","tag-richtfunk-technik","tag-richtfunkstrecke","tag-router","tag-security-gateway","tag-strahlungsdiagramm","tag-ubiquiti","tag-unifi","tag-wlan"],"modified_by":"Achim Goerner","_links":{"self":[{"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/posts\/43","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/comments?post=43"}],"version-history":[{"count":0,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/posts\/43\/revisions"}],"wp:attachment":[{"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/media?parent=43"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/categories?post=43"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/tags?post=43"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}