{"id":3681,"date":"2025-11-30T14:42:24","date_gmt":"2025-11-30T10:42:24","guid":{"rendered":"https:\/\/blog.phoenixcontact.com\/marketing-ae\/?p=3681"},"modified":"2025-11-30T14:42:25","modified_gmt":"2025-11-30T10:42:25","slug":"wi-fi-6e-for-applications-with-a-large-number-of-devices-and-small-data-packets","status":"publish","type":"post","link":"https:\/\/blog.phoenixcontact.com\/marketing-ae\/wi-fi-6e-for-applications-with-a-large-number-of-devices-and-small-data-packets\/","title":{"rendered":"Wi-Fi\u00a06E for applications with a large number of devices and small data packets"},"content":{"rendered":"\n

Increased efficiency and security<\/strong><\/h2>\n\n\n\n

Demand for wireless communication in industrial environments<\/a> is rising, but WLAN standards up to Wi\u2011Fi 5 face limits from interference and capacity. Wi\u2011Fi 6E expands the frequency spectrum with advanced technologies, enabling more efficient and secure data transmission.<\/p>\n\n\n

\n
\"The<\/a><\/figure><\/div>\n\n\n\n\n\n\n

Industrial automation is characterized by flexibilization, digitalization, and mobile robotic systems. Wireless data exchange is therefore essential, with WLAN established as a cost\u2011effective solution for connecting machines, devices, and control systems. Yet companies face challenges using WLAN in automation, could Wi\u2011Fi 6E be the answer?<\/p>\n\n\n\n

Currently too few channels and too long latency times<\/strong><\/h2>\n\n\n\n

A key problem is that demand for free transmission channels exceeds availability, creating dense WLAN networks on overlapping channels. This causes disruptions and reduces reliability, especially in real\u2011time applications. Older WLAN standards up to Wi\u2011Fi 5 focus on maximum data rates for single devices, not efficiency. In industrial automation, however, small data packets must be sent to multiple devices, which negatively impacts efficiency.<\/p>\n\n\n\n

Channel capacity is shrinking as more WLAN devices share the same channel, leading to higher latency. Backward compatibility, especially with older standards (e.g., IEEE 802.11 a\/b\/g), worsens the issue. As a result, WLAN networks increasingly fail to provide the speed, capacity, and stability needed for industrial automation.<\/p>\n\n\n\n

Division of the transmission channel across up to 37 subchannels<\/strong><\/h2>\n\n\n\n

Wi\u2011Fi 6 (IEEE 802.11ax) provides significant improvements over earlier WLAN standards, especially Wi\u2011Fi 4 (IEEE 802.11n), common in industry. It offers higher speeds and greater bandwidth, achieving up to 2.04\u202fGB\/s with 160\u202fMHz channels using a cost\u2011effective 2×2 MIMO setup. In contrast, Wi\u2011Fi 4 reaches only 300\u202fMbps with 40\u202fMHz channels. Wi\u2011Fi 6 therefore enables faster communication and supports bandwidth\u2011intensive applications.<\/p>\n\n\n\n

Wi\u2011Fi 6 (IEEE 802.11ax) uses OFDMA and TWT to boost efficiency and capacity. Earlier WLAN standards up to Wi\u2011Fi 5 relied on OFDM, allowing only one device to use the full bandwidth at a time. <\/p>\n\n\n\n

\n

With OFDMA, channels are divided into resource units (RUs), enabling parallel data exchange up to nine devices on 20\u202fMHz and 37 on 80\u202fMHz. This is especially beneficial in industrial automation, where small data packets must be transmitted simultaneously in real\u2011time, high\u2011density environments.<\/p>\n<\/div>

\"Wi-Fi<\/figure><\/div>\n\n\n\n

Agreement on specific communication times<\/strong><\/h2>\n\n\n\n

With the Target Wake Time (TWT) function, Wi\u2011Fi 6 access points and devices negotiate specific transmission times, saving energy and enabling demand\u2011oriented, conflict\u2011free communication. By synchronizing data forwarding, clients transmit at different times instead of in parallel. Combined with OFDMA, this boosts efficiency and ensures low latency with minimal jitter.<\/p>\n\n\n\n

Wi\u2011Fi 6 supports WPA3, offering stronger encryption and protection against brute\u2011force attacks, enhancing wireless security.<\/p>\n\n\n\n

Provision of 24 additional 20\u00a0MHz channels<\/strong><\/h2>\n\n\n\n

Wi\u2011Fi 6 opens up significant advantages, but overcrowded channels and older devices limit its impact. Wi\u2011Fi 6E addresses this with the new 6\u202fGHz band, adding 24 low\u2011utilization 20\u202fMHz channels, plus six additional 80\u202fMHz or three 160\u202fMHz options, greatly boosting network capacity. The EU is also assessing whether to release the remaining 500\u202fMHz, as already done in the USA, which would enable even more data channels.<\/p>\n\n\n\n

Unlike the 5\u202fGHz band, all 6\u202fGHz WLAN channels can be used for automation without restrictions, since mechanisms like DFS are not required. However, usage is limited to indoor applications to protect primary users. The 6\u202fGHz band works only with Wi\u2011Fi\u202f6 (IEEE 802.11ax) or later, ensuring all Wi\u2011Fi\u202f6 benefits without compatibility issues from older standards.<\/p>\n\n\n\n

WLAN modules for the 2.4\u00a0GHz, 5\u00a0GHz, and 6\u00a0GHz frequency bands<\/strong><\/h2>\n\n\n\n

Phoenix Contact\u2019s new FL WLAN 1022 and 1122 modules for Wi\u2011Fi\u202f 6\/6E are the first industrial devices to support triple\u2011band operation across 2.4, 5, and 6\u202fGHz. Certified for EU use, with further approvals in progress, they function as both WLAN clients and soft access points. They enable reliable PROFINET communication in the 6\u202fGHz band and support parallel dual\u2011band use (2.4\u202fGHz with 5\u202fGHz or 6\u202fGHz), allowing fast, efficient out\u2011of\u2011band roaming.<\/p>\n\n\n\n

Learn more about industrial wireless<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Increased efficiency and security Demand for wireless communication in industrial environments is rising, but WLAN standards up to Wi\u2011Fi 5 face limits from interference and capacity. Wi\u2011Fi 6E expands the frequency spectrum with advanced technologies, enabling more efficient and secure data transmission.<\/p>\n","protected":false},"author":357,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3681","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nWi-Fi\u00a06E for applications with a large number of devices and small data packets | Middle East<\/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:\/\/blog.phoenixcontact.com\/marketing-ae\/wi-fi-6e-for-applications-with-a-large-number-of-devices-and-small-data-packets\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wi-Fi\u00a06E for applications with a large number of devices and small data packets | Middle East\" \/>\n<meta property=\"og:description\" content=\"Increased efficiency and security Demand for wireless communication in industrial environments is rising, but WLAN standards up to Wi\u2011Fi 5 face limits from interference and capacity. 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