{"id":2173,"date":"2020-03-03T09:01:17","date_gmt":"2020-03-03T09:01:17","guid":{"rendered":"https:\/\/adi-com.co.il\/%d7%90%d7%95%d7%93%d7%95%d7%aa-wifi\/"},"modified":"2020-08-25T09:34:27","modified_gmt":"2020-08-25T09:34:27","slug":"%d7%90%d7%95%d7%93%d7%95%d7%aa-wifi","status":"publish","type":"page","link":"https:\/\/adi-com.co.il\/en\/%d7%90%d7%95%d7%93%d7%95%d7%aa-wifi\/","title":{"rendered":"About WIFI"},"content":{"rendered":"<p style=\"text-align: left;\"><b>Wi-Fi<\/b> \u00a0is a family of\u00a0wireless network\u00a0protocols, based on the\u00a0IEEE 802.11\u00a0family of standards, which are commonly used for\u00a0local area networking\u00a0of devices and\u00a0Internet\u00a0access.\u00a0<i>Wi\u2011Fi<\/i>\u00a0is a trademark of the non-profit\u00a0Wi-Fi Alliance, which restricts the use of the term\u00a0<i>Wi-Fi Certified<\/i>\u00a0to products that successfully complete\u00a0interoperability certification testing As of 2010, the Wi-Fi Alliance consisted of more than 375 companies from around the world. As of 2009, Wi-Fi-integrated circuit\u00a0chips shipped approximately 580<span class=\"nowrap\">\u00a0<\/span>million units yearly. Devices that can use Wi-Fi technologies include desktops and laptops,\u00a0smartphones\u00a0and\u00a0tablets,\u00a0smart TVs,\u00a0printers, digital audio players,\u00a0digital cameras, cars, and drones.<\/p>\n<p style=\"text-align: left;\">Wi-Fi uses multiple parts of the\u00a0IEEE 802\u00a0protocol\u00a0family and is designed to interwork seamlessly with its wired sibling\u00a0Ethernet. Compatible devices can network through\u00a0wireless access points\u00a0to each other as well as to wired devices and the Internet. The different versions of Wi-Fi are specified by various IEEE 802.11 protocol standards, with the different radio technologies determining radio bands, and the maximum ranges, and speeds that may be achieved. Wi-Fi most commonly uses the 2.4 gigahertz (120\u00a0mm)\u00a0UHF\u00a0and 5 gigahertz (60\u00a0mm)\u00a0SHF\u00a0ISM\u00a0radio bands; these bands are subdivided into multiple channels. Channels can be shared between networks but only one transmitter can locally transmit on a channel at any moment in time.<\/p>\n<p style=\"text-align: left;\">Wi-Fi&#8217;s wavebands have relatively high absorption and work best for\u00a0line-of-sight\u00a0use. Many common obstructions such as walls, pillars, home appliances, etc. may greatly reduce range, but this also helps minimize interference between different networks in crowded environments. An access point (or\u00a0hotspot) often has a range of about 20 metres (66 feet) indoors while some modern access points claim up to a 150-metre (490-foot) range outdoors. Hotspot coverage can be as small as a single room with walls that block radio waves, or as large as many square kilometres using many overlapping access points with\u00a0roaming\u00a0permitted between them. Over time the speed and spectral efficiency of Wi-Fi have increased. As of 2019, at close range, some versions of Wi-Fi, running on suitable hardware, can achieve speeds of over 1 Gbit\/s (gigabit per second).<\/p>\n<div class=\"thumb tright\">\n<div class=\"thumbinner\">\n<div class=\"thumbcaption\"><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Wi-Fi \u00a0is a family of\u00a0wireless network\u00a0protocols, based on the\u00a0IEEE 802.11\u00a0family of standards, which are commonly used for\u00a0local area networking\u00a0of devices and\u00a0Internet\u00a0access.\u00a0Wi\u2011Fi\u00a0is a trademark of the non-profit\u00a0Wi-Fi Alliance, which restricts the use of the term\u00a0Wi-Fi Certified\u00a0to products that successfully complete\u00a0interoperability certification testing As of 2010, the Wi-Fi Alliance consisted of more than 375 companies from around [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - 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