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Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.
Internet in Japan provides high quality services to more than 90% of the population and almost 100% of medium to large businesses, with mobile Internet on devices like smartphones being the most popular type of service. The Ministry of Internal Affairs and Communications (MIC) oversees the telecommunications, Internet, and broadcast sectors ...
The evolution of cellular networks from 1G to 5G has ... as well as for local wireless communications in ... was launched in Japan by Nippon ...
5G : NR. Low band : n28 Wi-Fi Calling : No (B1, B3, B5 = 2100/1800/850 MHz respectively) 2.8 (EOY 2020) CAT Telecom: 4: NT Mobile (formerly TOT Mobile) 3G : UMTS/WCDMA : B1 4G : FDD LTE : B1 (B1 deployed on AIS' infrastructure.) TDD LTE : B40 (B40: 2300 MHz) 4.5G : LTE-A Pro Up to 3xCA on B40, 4x4MIMO, 256/64QAM (Using DTN's infrastructure.) 5G ...
SoftBank purchased Vodafone Japan at $15b in 2006. SoftBank now offers 3G, 4G and 5G services using W-CDMA technology at 900 MHz and 2100 MHz. SoftBank was also the exclusive service provider of Apple's iPhone in Japan until November 2011. As of March 2016, there were 40 million subscribers.
An Android phone, showing that it is connected to a 5G network An Apple iPhone showing that it is connected to a 5G Network. In telecommunications, 5G is the fifth generation of cellular network technology, which mobile operators began deploying worldwide in 2019 as the successor to 4G. 5G is based on standards defined by the International Telecommunication Union under the IMT-2020 ...
Japan: KDDI : Dec 2014: 20 MHz Sep 2012: 20 MHz 15 MHz Sep 2012 B18 850 MHz: ... 5G NR - - 100 MHz, 5G NR: 4x4 MIMO (Mar 2016) 256 QAM (Mar 2016) 64 QAM UL (Mar 2017)
For wider area communications, wireless local area network (WLAN) is used. WLANs are often known by their commercial product name Wi-Fi. These systems are used to provide wireless access to other systems on the local network such as other computers, shared printers, and other such devices or even the internet.