{"id":1745,"date":"2016-12-16T07:10:23","date_gmt":"2016-12-16T06:10:23","guid":{"rendered":"http:\/\/pensalla.cat\/?p=1745"},"modified":"2016-12-16T19:55:29","modified_gmt":"2016-12-16T18:55:29","slug":"no-marriba-el-wifi","status":"publish","type":"post","link":"https:\/\/pensalla.cat\/?p=1745","title":{"rendered":"No m&#8217;arriba el wifi!"},"content":{"rendered":"<div style=\"padding-top:0px;\t\r\npadding-right:0px;\r\npadding-bottom:0px;\r\npadding-left:0px;\r\nmargin-top:0px;\r\nmargin-right:0px;\r\nmargin-bottom:0px;\r\nmargin-left:0px;\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" \r\n\t\t\t\t        data-url=\"https:\/\/pensalla.cat\/?p=1745\" \r\n\t\t\t\t        data-via=\"jjofra\"\r\n\t\t\t\t\t    data-text=\"No m'arriba el wifi!\"\r\n\t\t\t\t\t    data-related=\"\"\r\n\t\t\t\t\t    data-count=\"none\"\r\n\t\t\t\t\t    data-hashtags=\"\"\r\n\t\t\t\t\t    data-lang=\"autoLANGauto\"\r\n\t\t\t\t\t    data-counturl=\"pensalla.cat\"\r\n\t\t\t\t\t    data-size=\"medium\"\r\n\t\t\t\t\t    data-dnt=\"false\"\t> Tweet <\/a> <\/div>\r\n\t\t                <script>\r\n\t\t\t\t\t    !function(d,s,id) {\r\n\t\t\t\t\t      var js,fjs=d.getElementsByTagName(s)[0];\r\n\t\t\t\t\t      if(!d.getElementById(id)) {\r\n\t\t\t\t\t       js=d.createElement(s);js.id=id;js.src=\"https:\/\/platform.twitter.com\/widgets.js\";fjs.parentNode.insertBefore(js,fjs);\r\n\t\t\t\t\t      }\r\n\t\t\t\t\t    }\r\n\t\t\t\t\t   (document,\"script\",\"twitter-wjs\");\r\n\t\t\t\t\t    <\/script><div>&nbsp;<\/div>\n<div>Quantes vegades hem sentit l\u2019expressi\u00f3 aquesta: \u2018no m\u2019arriba el wifi\u2019?<\/div>\n<div>&nbsp;<\/div>\n<div>Avui intentar\u00e9 explicar qu\u00e8 passa i com podem millorar la nostra connectivitat sense fils\u00a0a internet, per aix\u00f2 comen\u00e7ar\u00e9 pel comen\u00e7ament:<\/div>\n<div>&nbsp;<\/div>\n<div><b>Com ens connectem<\/b><\/div>\n<div>&nbsp;<\/div>\n<div>A casa, a la feina, contractem amb les operadores\u00a0l&#8217;acc\u00e9s a internet, b\u00e9 sigui via adsl, b\u00e9 sigui via fibra \u00f2ptica i els hi contractem\u00a0un CABAL simultani m\u00e0xim\u00a0de xxx mbps, 10, 20, 35, 50 o fins i tot\u00a0de 300 si tenim fibra. Aquest cabal \u00e9s a la velocitat m\u00e0xima que rebrem les dades d\u2019una web, d\u2019una\u00a0pel\u00b7l\u00edcula, etc. i aquest cabal es reparteix entre tots els usuaris i equips d\u2019una casa, recordeu que les teles, algunes neveres, potser fins i tot els miralls, estan connectats a internet i formen part del grup d\u2019usuaris i dispositius\u00a0que \u2018consumeix\u2019 aquest cabal.<\/div>\n<div>&nbsp;<\/div>\n<div>Aquest cabal ens arriba via un router o encaminador que, normalment, ens \u2018regala\u2019 la nostra operadora.<\/div>\n<div>&nbsp;<\/div>\n<div>A casa podem connectar-nos al router via un cable d\u2019ethernet, si l\u2019hem instal\u00b7lat i amagat prou b\u00e9,\u00a0o via\u00a0wifi per connectar-nos al router que ens d\u00f3na\u00a0l\u2019acc\u00e9s d\u2019adsl o fibra. Aquest wifi pot estar dins el mateix router o pot ser independent si volem tenir una millor qualitat.<\/div>\n<div>&nbsp;<\/div>\n<div>Si a casa compartim el cabal d\u2019acc\u00e9s a internet entre tots els humans i entre tots els dispositius, la suma de\u00a0totes les cases que es connecten a una mateixa central comparteixen el volum m\u00e0xim d\u2019aquella central.<\/div>\n<div>&nbsp;<\/div>\n<div>Per contra,\u00a0als m\u00f2bils contractem un VOLUM de dades, tamb\u00e9 amb les limitacions de velocitat\u00a0de les connexions m\u00f2bils, 3G, 4G, GPRS (fins a 25 mbps del 4G LTE de Movistar o Vodafone o els 17 d\u2019Orange, encara que el nominal s\u00f3n 150 mbps), aix\u00ed que quan hem consumit aquest volum contractat (2 gb, per exemple) o b\u00e9 tornem a pagar o b\u00e9 anem desesperadament lents.<\/div>\n<div>&nbsp;<\/div>\n<div>Fixeu-vos que a casa contractem mbps, \u00e9s a dir megabits per segon (velocitat), i al m\u00f2bil contractem gb, gigabits (volum), per fer una similitud, el\u00a0cabal seria una aixeta que deixa passar 1 litre per segon, i el volum \u00e9s una galleda a la qual caben 15 litres.<\/div>\n<div>&nbsp;<\/div>\n<div>Al m\u00f2bil la connexi\u00f3 nom\u00e9s \u00e9s nostra, no la compartim amb la resta d\u2019humans de casa nostra,\u00a0per\u00f2 compartim la capacitat de l\u2019antena a la qual estem connectats\u00a0amb tots els usuaris que estiguin connectats en aquell moment (per exemple, abans que hi hagu\u00e9s connexi\u00f3 via wifi al Camp Nou tots els qui anaven al partit havien de compartir la capacitat de les antenes i la xarxa es col\u00b7lapsava).<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><b>Tipus de wifi<\/b><\/div>\n<div>&nbsp;<\/div>\n<div>Ara que ja sabem com ens connectem a internet i com contractem, quins tipus de wifi existeixen per arribat al nostre router?<\/div>\n<div>&nbsp;<\/div>\n<div>Els m\u00e9s coneguts s\u00f3n el\u00a0b \/ el\u00a0g \/ l&#8217;n \/ i l\u2019ac. L\u2019est\u00e0ndard original\u00a0\u00e9s el tipus 802.11, sense lletres, per\u00f2 aix\u00f2 era l\u2019original i nom\u00e9s permetia velocitats de 2 mbps.<\/div>\n<div>&nbsp;<\/div>\n<div>Del\u00a0tipus b, ja no es fabriquen ni dispositius ni routers, per\u00f2 encara n\u2019hi ha molts, donava\u00a011 mbps de velocitat, arribava fins a\u00a040 m, en les millors condicions sense parets, i funcionava a la banda de\u00a02,4 ghz (com el microones o tel\u00e8fons fixes sense fils).<\/div>\n<div>&nbsp;<\/div>\n<div>M\u00e9s endavant va apar\u00e8ixer el\u00a0tipus g, fins a\u00a054 mbps, i els mateixos metres i freq\u00fc\u00e8ncia.<\/div>\n<div>&nbsp;<\/div>\n<div>Vistes les limitacions, els fabricants van dissenyar el\u00a0tipus n, fins a\u00a0300 mbps ( amb\u00a02 antenes) i\u00a0fins a\u00a0450 mbps (amb\u00a03 antenes), que a la realitat es quedaven en\u00a0130 mbps, i que funciona a la banda de 2,4 i de\u00a05 ghz, una banda menys ocupada i, per tant, amb menys interfer\u00e8ncies\u00a0(aquesta banda de 5ghz, els routers de movistar li duen, comercialment, &#8216;plus&#8217;)<\/div>\n<div>&nbsp;<\/div>\n<div>Recentment s\u2019est\u00e0 posant en marxa el\u00a0tipus ac, fins a\u00a01 gbps, t\u00e9\u00a0m\u00e9s cobertura, nom\u00e9s funciona a\u00a05 ghz, aix\u00f2 vol dir que si no tens tots els dispositius moderns, no et podr\u00e0s connectar, i\u00a0poden sumar la capacitat de v\u00e0ries antenes! Per exemple l&#8217;<a href=\"https:\/\/www.amazon.es\/ASUS-RT-AC5300-aggregation-Aiprotection-acelerador\/dp\/B018WJUGA4\/ref=sr_1_32?ie=UTF8&amp;qid=1481626612&amp;sr=8-32&amp;keywords=router+wifi+ac\">asus<\/a>\u00a0triple banda pot arribar\u00a0fins a 4334 mbps per\u00f2 per \u2018nom\u00e9s\u2019\u00a0447,92 \u20ac<\/div>\n<div>&nbsp;<\/div>\n<div>\n<p><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/FC27FD96-6CD9-40E2-B577-97F33704B9AD.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1755\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/FC27FD96-6CD9-40E2-B577-97F33704B9AD-300x268.jpg?resize=300%2C268\" alt=\"\" width=\"300\" height=\"268\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/FC27FD96-6CD9-40E2-B577-97F33704B9AD.jpg?resize=300%2C268&amp;ssl=1 300w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/FC27FD96-6CD9-40E2-B577-97F33704B9AD.jpg?resize=100%2C89&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/FC27FD96-6CD9-40E2-B577-97F33704B9AD.jpg?resize=150%2C134&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/FC27FD96-6CD9-40E2-B577-97F33704B9AD.jpg?resize=200%2C179&amp;ssl=1 200w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/FC27FD96-6CD9-40E2-B577-97F33704B9AD.jpg?w=355&amp;ssl=1 355w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>Recordeu que el wifi\u00a0perd capacitat com m\u00e9s lluny est\u00e0, aquestes velocitats, a m\u00e9s de ser te\u00f2riques, nom\u00e9s s\u2019aconsegueixen si estem ben a prop, a la que tenim parets o metres entremig, la velocitat va disminuint.<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><b>Motius perqu\u00e8 no arribi<\/b>:<\/div>\n<div>&nbsp;<\/div>\n<div>\n<ul>\n<li><b>estem lluny<\/b>, com he dit, el wifi t\u00e9 una dist\u00e0ncia que s\u2019escur\u00e7a en funci\u00f3 dels obstacles que trobi, aix\u00ed que si estem una mica lluny del repetidor, la resposta m\u00e9s senzilla \u00e9s que no arriba perqu\u00e8 estem fora del seu abast.<\/li>\n<li><b>est\u00e0 mal posat<\/b>, pot\u00a0ser que no arribi, simplement perqu\u00e8 est\u00e0 mal orientat<\/li>\n<li>\n<ul>\n<li>si el tenim alt, arribar\u00e0 m\u00e9s lluny i, viceversa, si el tenim per terra, el seu abast ser\u00e0 inferior<\/li>\n<li>si el tenim\u00a0en un rac\u00f3, estem reduint el seu abast, millor en una paret plana i, encara millor, al mig de l\u2019habitaci\u00f3 (s\u00ed, ja s\u00e9 que aix\u00f2 no ho podeu fer \ud83d\ude42<\/li>\n<\/ul>\n<\/li>\n<li><b>tenim obstacles<\/b><\/li>\n<li>\n<ul>\n<li>com m\u00e9s portes i parets, pitjor<\/li>\n<li>el\u00a0pladur \u00e9s el gran enemic dels wifi, una paret de pladur \u00e9s com la kriptonita pel wifi i no diem si posem l\u2019acc\u00e9s del wifi dins una habitaci\u00f3 o armari de pladur, no tindrem connexi\u00f3.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><b>Solucions<\/b><\/div>\n<div>&nbsp;<\/div>\n<div><span style=\"color: #ff2600;\"><b>Canviar de router<\/b><\/span><\/div>\n<div>&nbsp;<\/div>\n<div>El router\u00a0que posen les operadores \u00e9s molt senzill, per 78 \u20ac podeu tenir\u00a0un router AC, <a href=\"https:\/\/www.amazon.es\/ASUS-RT-AC1200G-inal%C3%A1mbrico-Dual-Band-aplicaci%C3%B3n\/dp\/B019ZMMZ8I\/ref=sr_1_1?ie=UTF8&amp;qid=1481626325&amp;sr=8-1&amp;keywords=router+wifi+ac\">Asus<\/a>\u00a0 que us arribar\u00e0 gaireb\u00e9 a tots els racons de la casa.<\/div>\n<div><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/F75C4BF8-B7B5-4808-BB61-34EE8725EC36.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1754\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/F75C4BF8-B7B5-4808-BB61-34EE8725EC36-300x292.jpg?resize=300%2C292\" alt=\"\" width=\"300\" height=\"292\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/F75C4BF8-B7B5-4808-BB61-34EE8725EC36.jpg?resize=300%2C292&amp;ssl=1 300w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/F75C4BF8-B7B5-4808-BB61-34EE8725EC36.jpg?resize=100%2C97&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/F75C4BF8-B7B5-4808-BB61-34EE8725EC36.jpg?resize=150%2C146&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/F75C4BF8-B7B5-4808-BB61-34EE8725EC36.jpg?resize=200%2C194&amp;ssl=1 200w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/F75C4BF8-B7B5-4808-BB61-34EE8725EC36.jpg?w=355&amp;ssl=1 355w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><span style=\"color: #ff2600;\"><b>Ampliar la\u00a0cobertura per ones<\/b><\/span><\/div>\n<div>&nbsp;<\/div>\n<div>Es tracta d\u2019afegir, no substituir, un segon repetidor que agafi el wifi que li arriba i el repeteixi,\u00a0almenys a on estigui el repetidor ha d\u2019arribar el wifi perqu\u00e8 si no, no pot repetir res, com el cas del segon dibuix.<\/div>\n<div>&nbsp;<\/div>\n<div>\n<p><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/839DBBEC-3BA4-48D7-99D6-64D4BD421CA8.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1749\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/839DBBEC-3BA4-48D7-99D6-64D4BD421CA8-300x45.png?resize=300%2C45\" alt=\"\" width=\"300\" height=\"45\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/839DBBEC-3BA4-48D7-99D6-64D4BD421CA8.png?resize=300%2C45&amp;ssl=1 300w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/839DBBEC-3BA4-48D7-99D6-64D4BD421CA8.png?resize=100%2C15&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/839DBBEC-3BA4-48D7-99D6-64D4BD421CA8.png?resize=150%2C23&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/839DBBEC-3BA4-48D7-99D6-64D4BD421CA8.png?resize=200%2C30&amp;ssl=1 200w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/839DBBEC-3BA4-48D7-99D6-64D4BD421CA8.png?resize=450%2C68&amp;ssl=1 450w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/839DBBEC-3BA4-48D7-99D6-64D4BD421CA8.png?w=456&amp;ssl=1 456w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<\/div>\n<div>&nbsp;<\/div>\n<div>\n<p><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/490087CD-A928-47A1-AC10-01C0D64A160A.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1750\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/490087CD-A928-47A1-AC10-01C0D64A160A-300x32.png?resize=300%2C32\" alt=\"\" width=\"300\" height=\"32\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/490087CD-A928-47A1-AC10-01C0D64A160A.png?resize=300%2C32&amp;ssl=1 300w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/490087CD-A928-47A1-AC10-01C0D64A160A.png?resize=100%2C11&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/490087CD-A928-47A1-AC10-01C0D64A160A.png?resize=150%2C16&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/490087CD-A928-47A1-AC10-01C0D64A160A.png?resize=200%2C21&amp;ssl=1 200w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/490087CD-A928-47A1-AC10-01C0D64A160A.png?resize=450%2C47&amp;ssl=1 450w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/490087CD-A928-47A1-AC10-01C0D64A160A.png?w=456&amp;ssl=1 456w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<\/div>\n<div>&nbsp;<\/div>\n<div>Aquest sistema agafa el senyal que arriba i el reemet, per\u00f2 si n\u2019arriba poc, encara que la pot\u00e8ncia del senyal que reemeti sigui bona, nom\u00e9s podrem connectar-nos a la velocitat del poc senyal que li arribi.<\/div>\n<div>&nbsp;<\/div>\n<div>Quan en busquem un hem de vigilar quin tipus de senyal reemet (b\/g\/n\/ac),\u00a0i\u00a0si volem que, a m\u00e9s de wifi, tingui connexi\u00f3 ethernet (amb cable).<\/div>\n<div>&nbsp;<\/div>\n<div>No estem parlant de molts diners, un <a href=\"https:\/\/www.amazon.es\/TP-LINK-TL-WA850RE-Extensor-puertos-enchufable\/dp\/B00A0VCJPI\/ref=sr_1_1?s=computers&amp;ie=UTF8&amp;qid=1481626865&amp;sr=1-1&amp;keywords=ampliar+se%C3%B1al+wifi\">tp-link<\/a>\u00a0\u2019N\u2019\u00a0ens pot costar uns 19,90 \u20ac amb tres antenes per velocitats de fins a\u00a0450 mbps a 2,4 ghz i 1200 mbps a 5 ghz.<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/B6E2AD5C-1D22-4FCD-8458-F6C1B2D3D458.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1752\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/B6E2AD5C-1D22-4FCD-8458-F6C1B2D3D458-300x157.jpg?resize=300%2C157\" alt=\"\" width=\"300\" height=\"157\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/B6E2AD5C-1D22-4FCD-8458-F6C1B2D3D458.jpg?resize=300%2C157&amp;ssl=1 300w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/B6E2AD5C-1D22-4FCD-8458-F6C1B2D3D458.jpg?resize=100%2C52&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/B6E2AD5C-1D22-4FCD-8458-F6C1B2D3D458.jpg?resize=150%2C79&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/B6E2AD5C-1D22-4FCD-8458-F6C1B2D3D458.jpg?resize=200%2C105&amp;ssl=1 200w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/B6E2AD5C-1D22-4FCD-8458-F6C1B2D3D458.jpg?w=355&amp;ssl=1 355w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\n<\/div>\n<div>&nbsp;<\/div>\n<div>Us trobareu amb un petit problema:\u00a0s\u2019han d\u2019endollar i aix\u00f2 fa que estiguin baixos i disminueix la seva capacitat.<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>Si voleu un alta gama,\u00a0un <a href=\"https:\/\/www.amazon.es\/TP-LINK-TL-WA850RE-Extensor-puertos-enchufable\/dp\/B010RXXY48\/ref=sr_1_1?s=computers&amp;ie=UTF8&amp;qid=1481626865&amp;sr=1-1&amp;keywords=ampliar%2Bse%C3%B1al%2Bwifi&amp;th=1\">tp-link<\/a> \u2018AC\u2019 us costar\u00e0 68,99 \u20ac i t\u00e9 fins a 1750 mbps.<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>\n<p><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/2C354597-C733-4E6C-8510-414D6098D977.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1746\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/2C354597-C733-4E6C-8510-414D6098D977-300x180.jpg?resize=300%2C180\" alt=\"\" width=\"300\" height=\"180\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/2C354597-C733-4E6C-8510-414D6098D977.jpg?resize=300%2C180&amp;ssl=1 300w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/2C354597-C733-4E6C-8510-414D6098D977.jpg?resize=768%2C461&amp;ssl=1 768w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/2C354597-C733-4E6C-8510-414D6098D977.jpg?resize=1024%2C614&amp;ssl=1 1024w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/2C354597-C733-4E6C-8510-414D6098D977.jpg?resize=100%2C60&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/2C354597-C733-4E6C-8510-414D6098D977.jpg?resize=150%2C90&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/2C354597-C733-4E6C-8510-414D6098D977.jpg?resize=200%2C120&amp;ssl=1 200w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/2C354597-C733-4E6C-8510-414D6098D977.jpg?resize=450%2C270&amp;ssl=1 450w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/2C354597-C733-4E6C-8510-414D6098D977.jpg?resize=600%2C360&amp;ssl=1 600w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/2C354597-C733-4E6C-8510-414D6098D977.jpg?resize=900%2C540&amp;ssl=1 900w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/2C354597-C733-4E6C-8510-414D6098D977.jpg?w=1280&amp;ssl=1 1280w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>Per\u00f2 recordeu que el m\u00e0xim de velocitat ser\u00e0 el punt m\u00e9s petit de l\u2019embut, aix\u00ed que si teniu una contractada una connexi\u00f3 a internet de 10 mbps, un wifi de 300 no us servir\u00e0 per a\u00a0massa cosa.<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><span style=\"color: #ff2600;\"><b>Ampliar cobertura per cable<\/b><\/span><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>\n<ul>\n<li><b>per cable ethernet<\/b><\/li>\n<\/ul>\n<\/div>\n<div>&nbsp;<\/div>\n<div>\u00c9s\u00a0el sistema m\u00e9s senzill i m\u00e9s r\u00e0pid,\u00a0per\u00f2 necessitem tirar un cable al pis de dalt o a on sigui que volem fer arribar el senyal, i al final del cable necessitarem un router wifi, fixeu-vos en els dos esquemes, el primer \u00e9s un cable que envia el senyal del router de l&#8217;operadora a un router nostre.<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/DB5A3C9D-5B26-441F-A5E0-EC27A6CEF4D1.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1753\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/DB5A3C9D-5B26-441F-A5E0-EC27A6CEF4D1.png?resize=300%2C91\" width=\"300\" height=\"91\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/DB5A3C9D-5B26-441F-A5E0-EC27A6CEF4D1.png?w=165&amp;ssl=1 165w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/DB5A3C9D-5B26-441F-A5E0-EC27A6CEF4D1.png?resize=100%2C30&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/DB5A3C9D-5B26-441F-A5E0-EC27A6CEF4D1.png?resize=150%2C45&amp;ssl=1 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/div>\n<div>&nbsp;<\/div>\n<div>Aquest esquema el podem anar ampliant si tenim molts pisos\u00a0o molts racons amb dif\u00edcil cobertura, en el segon esquema veiem que podem anar posant tants routers com vulguem:<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>\n<p><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/4B404EED-FD44-45C9-95CB-FCD52A55FCEC.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1747\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/4B404EED-FD44-45C9-95CB-FCD52A55FCEC-300x60.png?resize=300%2C60\" alt=\"\" width=\"300\" height=\"60\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/4B404EED-FD44-45C9-95CB-FCD52A55FCEC.png?resize=300%2C60&amp;ssl=1 300w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/4B404EED-FD44-45C9-95CB-FCD52A55FCEC.png?resize=100%2C20&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/4B404EED-FD44-45C9-95CB-FCD52A55FCEC.png?resize=150%2C30&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/4B404EED-FD44-45C9-95CB-FCD52A55FCEC.png?resize=200%2C40&amp;ssl=1 200w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/4B404EED-FD44-45C9-95CB-FCD52A55FCEC.png?resize=450%2C90&amp;ssl=1 450w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/4B404EED-FD44-45C9-95CB-FCD52A55FCEC.png?w=456&amp;ssl=1 456w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>\n<ul>\n<li><b>per cable de corrent (powerline)<\/b><\/li>\n<\/ul>\n<\/div>\n<div>&nbsp;<\/div>\n<div>Amb aquest sistema fem servir els cables del corrent el\u00e8ctric per portar el senyal d\u2019internet.<\/div>\n<div>&nbsp;<\/div>\n<div>En necessitem dos (o m\u00e9s), el primer es connecta via cable\u00a0al router de l&#8217;operadora i els seg\u00fcents es connecten als endolls que tinguem a casa als llocs a on volem fer arribar internet.<\/div>\n<div>&nbsp;<\/div>\n<div>Els de\u00a0<a href=\"https:\/\/www.amazon.es\/devolo-dLAN-550-WiFi-amplificador\/dp\/B01KKB6T4E\/ref=sr_1_2?s=computers&amp;ie=UTF8&amp;qid=1481628238&amp;sr=1-2&amp;keywords=ampliar+se%C3%B1al+wifi+red+electrica\">devolo<\/a>\u00a0tenen un kit\u00a0per 129,90, que permet una velocitat de\u00a0fins a 500 mbps pel cable el\u00e8ctric, i, una vegada s\u2019ha de repartir, fins a\u00a0300 mbps per wifi.<\/div>\n<div>&nbsp;<\/div>\n<div>\u00c9s important que els dispositius estiguin a la mateixa l\u00ednia el\u00e8ctrica i al mateix limitador de pot\u00e8ncia que tenim al quadre el\u00e8ctric de casa.<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>\n<p><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/9DCE0857-844C-45EB-B782-4EC79DAA8BF8.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1748\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/9DCE0857-844C-45EB-B782-4EC79DAA8BF8-300x242.jpg?resize=300%2C242\" alt=\"\" width=\"300\" height=\"242\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/9DCE0857-844C-45EB-B782-4EC79DAA8BF8.jpg?resize=300%2C242&amp;ssl=1 300w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/9DCE0857-844C-45EB-B782-4EC79DAA8BF8.jpg?resize=100%2C81&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/9DCE0857-844C-45EB-B782-4EC79DAA8BF8.jpg?resize=150%2C121&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/9DCE0857-844C-45EB-B782-4EC79DAA8BF8.jpg?resize=200%2C161&amp;ssl=1 200w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/9DCE0857-844C-45EB-B782-4EC79DAA8BF8.jpg?w=355&amp;ssl=1 355w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>Existeixen dispositius m\u00e9s barats si rebaixem prestacions, aquest de\u00a0<a href=\"https:\/\/www.amazon.es\/TP-LINK-TL-PA8010P-KIT-el%C3%A9ctrica-configuraci%C3%B3n\/dp\/B00SWI2UUK\/ref=sr_1_9?s=computers&amp;ie=UTF8&amp;qid=1481628427&amp;sr=1-9&amp;keywords=powerline\">tp-link<\/a>\u00a0no t\u00e9 wifi, nom\u00e9s\u00a0per 74,95 \u20ac fins a 1200 mbps pel cable el\u00e8ctric, ens pot servir si volem connectar nom\u00e9s un ordinador a l\u2019habitaci\u00f3, i si ens quedem curts, sempre podem posar un repetidor de wifi posteriorment.<\/div>\n<div>&nbsp;<\/div>\n<div>\n<p><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/574937DF-9655-4030-A26E-5CB04309BDB0.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1751\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/574937DF-9655-4030-A26E-5CB04309BDB0-300x300.jpg?resize=300%2C300\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/574937DF-9655-4030-A26E-5CB04309BDB0.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/574937DF-9655-4030-A26E-5CB04309BDB0.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/574937DF-9655-4030-A26E-5CB04309BDB0.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/574937DF-9655-4030-A26E-5CB04309BDB0.jpg?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/574937DF-9655-4030-A26E-5CB04309BDB0.jpg?resize=100%2C100&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/574937DF-9655-4030-A26E-5CB04309BDB0.jpg?resize=200%2C200&amp;ssl=1 200w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/574937DF-9655-4030-A26E-5CB04309BDB0.jpg?resize=450%2C450&amp;ssl=1 450w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/574937DF-9655-4030-A26E-5CB04309BDB0.jpg?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/574937DF-9655-4030-A26E-5CB04309BDB0.jpg?resize=900%2C900&amp;ssl=1 900w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2016\/12\/574937DF-9655-4030-A26E-5CB04309BDB0.jpg?w=1280&amp;ssl=1 1280w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>Aix\u00f2 si, us recomano que\u00a0aneu a marques conegudes, aquest de <a href=\"https:\/\/www.amazon.es\/Powerline-HooToo-el%C3%A9ctrica-Solftware-necesario\/dp\/B01LWKTOLK\/ref=sr_1_6?s=computers&amp;ie=UTF8&amp;qid=1481628427&amp;sr=1-6&amp;keywords=powerline\">HooToo<\/a>, que no els coneix ning\u00fa, diuen que no cal descarregar cap SOLFWARE, si ja comencem aix\u00ed\u00a0\u2026 per\u00f2 per 49,99 \u20ac tens els dos equips i wifi a 300 mbps, ara, el cable nom\u00e9s arriba 100 mbps, aix\u00ed que mai sabreu si \u00e9s veritat que el wifi arriba a 300.<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div style=\"padding-top:0px;\t\r\npadding-right:0px;\r\npadding-bottom:0px;\r\npadding-left:0px;\r\nmargin-top:0px;\r\nmargin-right:0px;\r\nmargin-bottom:0px;\r\nmargin-left:0px;\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" \r\n\t\t\t\t        data-url=\"https:\/\/pensalla.cat\/?p=1745\" \r\n\t\t\t\t        data-via=\"jjofra\"\r\n\t\t\t\t\t    data-text=\"No m'arriba el wifi!\"\r\n\t\t\t\t\t    data-related=\"\"\r\n\t\t\t\t\t    data-count=\"none\"\r\n\t\t\t\t\t    data-hashtags=\"\"\r\n\t\t\t\t\t    data-lang=\"autoLANGauto\"\r\n\t\t\t\t\t    data-counturl=\"pensalla.cat\"\r\n\t\t\t\t\t    data-size=\"medium\"\r\n\t\t\t\t\t    data-dnt=\"false\"\t> Tweet <\/a> <\/div>\r\n\t\t                <script>\r\n\t\t\t\t\t    !function(d,s,id) {\r\n\t\t\t\t\t      var js,fjs=d.getElementsByTagName(s)[0];\r\n\t\t\t\t\t      if(!d.getElementById(id)) {\r\n\t\t\t\t\t       js=d.createElement(s);js.id=id;js.src=\"https:\/\/platform.twitter.com\/widgets.js\";fjs.parentNode.insertBefore(js,fjs);\r\n\t\t\t\t\t      }\r\n\t\t\t\t\t    }\r\n\t\t\t\t\t   (document,\"script\",\"twitter-wjs\");\r\n\t\t\t\t\t    <\/script>","protected":false},"excerpt":{"rendered":"<p>Tweet &nbsp; Quantes vegades hem sentit l\u2019expressi\u00f3 aquesta: \u2018no m\u2019arriba el wifi\u2019? &nbsp; Avui intentar\u00e9 explicar qu\u00e8 passa i com podem millorar la nostra connectivitat sense fils\u00a0a internet, per aix\u00f2 comen\u00e7ar\u00e9 pel comen\u00e7ament: &nbsp; Com ens connectem &nbsp; A casa,<span class=\"ellipsis\">&hellip;<\/span><\/p>\n<div class=\"read-more\"><a href=\"https:\/\/pensalla.cat\/?p=1745\">Read more <span class=\"screen-reader-text\">No m&#8217;arriba el wifi!<\/span><span class=\"meta-nav\"> &#8250;<\/span><\/a><\/div>\n<p><!-- end of .read-more --><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[2],"tags":[],"class_list":["post-1745","post","type-post","status-publish","format-standard","hentry","category-articles"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/pensalla.cat\/index.php?rest_route=\/wp\/v2\/posts\/1745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pensalla.cat\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pensalla.cat\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pensalla.cat\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pensalla.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1745"}],"version-history":[{"count":0,"href":"https:\/\/pensalla.cat\/index.php?rest_route=\/wp\/v2\/posts\/1745\/revisions"}],"wp:attachment":[{"href":"https:\/\/pensalla.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pensalla.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pensalla.cat\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}